The equation of the line perpendicular to the tangent line is y = -x + 5.
How to calculate the valueSince the given tangent line has a slope of 1, the line perpendicular to it will have a slope of -1 (the negative reciprocal). The point (2, 3) is on the line, so we can use the point-slope form of a line to write the equation:
y - 3 = (-1)(x - 2)
y - 3 = -x + 2
y = -x + 5
Therefore, the equation of the line perpendicular to the tangent line is y = -x + 5.
To find the point where the tangent line touches Circle N, we need to find the intersection point of the tangent line and Circle N. Since the tangent line has a slope of 1, we know that the line passing through the center of the circle and the point of tangency (point D) will be perpendicular to the tangent line. Let (x,y) be the coordinates of point D. Then the equation of the line passing through (x,y) and (2,3) is:
(y - 3) / (x - 2) = -1
y - 3 = -x + 2
y = -x + 5
We can substitute this equation into the equation of Circle N to get:
(x - 2)^2 + (y - 3)^2 = r^2
(x - 2)^2 + (-x + 2)^2 = r^2
2x^2 - 8x + 8 + 4 = r^2
2x^2 - 8x + 12 = r^2
Now we can substitute the equation of the line into the above equation to eliminate y:
2x^2 - 8x + 12 = (y - 3)^2
2x^2 - 8x + 12 = (-x + 2)^2
2x^2 - 8x + 12 = x^2 - 4x + 4
x^2 - 4x - 8 = 0
Using the quadratic formula, we find that:
x = 2 ± 2√3
Since the circle is tangent to the line y = x + 7, we know that the y-coordinate of point D must be equal to x + 7. Therefore, the coordinates of point D are:
(2 + 2√3, 9 + 2√3) or (2 - 2√3, 5 - 2√3)
The distance from the center of Circle N to point D is the radius of the circle. Using the coordinates of point D found above, we can calculate the distance as follows:
r = sqrt((2 + 2√3 - 2)^2 + (9 + 2√3 - 3)^2)
r = sqrt(16 + 8√3)
r = 4√3 + 4
Therefore, the radius of Circle N is 4√3 + 4.
Using the center and radius of Circle N, we can write the equation of the circle as:
(x - 2)^2 + (y - 3)^2 = (4√3 + 4)^2
Learn more about tangent on
https://brainly.com/question/4470346
#SPJ1
Determine the function is positive, negative, increasing, or decreasing. Then describe the end behavior of the function.
The graph is positive and increases as the value of x increases.
What is the behavior of graph of y = √(4x)?
The behavior of the graph of y = √(4x) is determined by substituting some value of x into the function and check the corresponding value of y.
When x = 0, the value of y is calculated as;
y = √(4(0))
y = 0
When x = 1, the value of y is calculated as;
y = √(4(1))
y = 2
When x = 4, the value of y is calculated as;
y = √(4(4))
y = 4
When x = 9, the value of y is calculated as;
y = √(4(9))
y = 6
From the data above, the value of y increases as x increases, although not at equal increment.
Learn more about behavior of graphs here: https://brainly.com/question/29366585
#SPJ1
If you know 4 parts (angles and sides) of one triangle are congruent to the
corresponding 4 parts of another triangle, are the triangles congruent? Why?
Answer: Yes, the triangles are congruent.
Step-by-step explanation:
According to the Side-Angle-Side (SAS) congruence theorem, if two triangles have two pairs of corresponding sides that are congruent and the included angle between those sides is also congruent, then the triangles are congruent.
In this case, we know that four parts (angles and sides) of one triangle are congruent to the corresponding four parts of another triangle. This means that two pairs of corresponding sides are congruent (since corresponding sides are equal) and the included angles between those sides are also congruent (since corresponding angles are equal). Therefore, the triangles satisfy the conditions of the SAS congruence theorem and are congruent.
It's important to note that this applies only to two triangles with exactly the same four congruent parts. If there is even one part that is not congruent between the two triangles, they cannot be proven to be congruent just by these means alone.
Answer:
If you know that 4 parts (angles and sides) of one triangle are congruent to the corresponding 4 parts of another triangle, then the triangles are congruent by the Side-Angle-Side (SAS) Congruence Postulate. This postulate states that if two sides and the included angle of one triangle are congruent to two sides and the included angle of another triangle, then the triangles are congruent.
The SAS postulate is one of five ways to prove that two triangles are congruent. The other four ways are Angle-Side-Angle (ASA), Side-Side-Side (SSS), Hypotenuse-Leg (HL), and Reflexive Property of Congruence.
Shen bought a desk on sale for $218.40. This price was 72% less than the original price. What was the original price?
Answer:
780
Step-by-step explanation:
In this example we will call Original Price = y
72%=0.72
218.40=0.72*y
1-0.72=0.28
218.4÷0.28=780
URGENT!! ILL GIVE
BRAINLIEST! AND 100 POINTS
Match the description with the correct answer
y-intercept - (0, 4)
slope - +2
Domain - input values
Range - output values
Is this graph increasing, decreasing, or both? - Increasing
x-intercept - (-2, 0)
Find the solution to the systems \frac{m}{5}+\frac{n}{3}=0,\frac{m}{10}-\frac{7n}{6}=4
The two points on the line are (5, -9/5) and (-5/3, 3).
The other point on the line is (0, -12/7).
What is system of equations?The equation [tex]\frac{m}{5} +\frac{n}{3} =0[/tex] can be rewritten as:
3m + 5n = 0
When m=5:
3m + 5n = 0
3(5) + 5n = 0
n = -9/5
Simplify the above equation,
When n=3:
3m + 5n = 0
3m + 5(3) = 0
m = -5/3
the two points on the line are (5, -9/5) and (-5/3, 3)
The equation [tex]\frac{m}{10} -\frac{7n}{6} =4[/tex] can be simplified as follows:
m/10 - 7n/6 = 4
m/10 = 7n/6 + 4
m = 70n/6 + 40
m = 35n/3 + 20
When n=0:
m = 35n/3 + 20
m = 20
So, the point on the line is (20, 0).
When m=0:
35n/3 + 20 = 0
35n/3 = -20
n = -12/7
So, the other point on the line is (0, -12/7).
To know more about equation, visit:
https://brainly.com/question/29174899
#SPJ1
13.15.Verify that the six trigonometric function are well-defined. That is, show that it does not matter which right triangle with interior angle theta you choose- these six rayios will not change
We need to show that if we choose right triangle with the interior angle θ, the ratios of the sides will be the same as shown in below figure.
What is a trigonometry?The mathematical subject of trigonometry is the study of the connections between the angles and sides of triangles. It entails investigating trigonometric functions like sine, cosine, and tangent, which examine the relationship between a triangle's sides' lengths and its angles.
Let's consider a right triangle with acute angles α and β, as shown below:
To relate the sides of this triangle, we can use the Pythagorean theorem:
a² + b² = c²
Now, let's define the six trigonometric functions in terms of the sides of the triangle:
Sin(θ) = a/c
Cos(θ) = b/c
tan(θ) = a/b
csc(θ) = c/a
sec(θ) = c/b
cot(θ) = b/a
We want to show that these functions are well-defined, i.e., they do not depend on the particular triangle we choose. To do this, we need to show that if we choose another right triangle with the same interior angle θ, the ratios of the sides will be the same.
To know more about trigonometric functions, visit:
https://brainly.com/question/25618616
#SPJ1
joseph is baking brownies. the recipe calls for 3 1/2 pounds of flour for every 3/4 cup of sugar how many pounds of flour should joseph use for 1 cup of sugar?
If the recipe requires 3(1/2) pounds of flour for every (3/4) cups of sugar, then for 1 cup of sugar , Joseph should use 4.67 pounds of flour.
A "Proportion" is defined as a statement that two fractions are equal. It expresses the relationship between two quantities that are in the same ratio.
To solve the problem, we set up a proportion to relate the amount of flour to the amount of sugar:
We know that, recipe requires 3(1/2) pounds of flour for every (3/4) cups of sugar,
Which means,
⇒ (3.5 pounds of flour)/(0.75 cups of sugar) = (x pounds of flour)/(1 cup of sugar),
where x is = amount of flour needed for 1 cup of sugar.
We "cross-multiply" and simplify;
⇒ 3.5 × 1 = 0.75 × "x" pounds of flour,
⇒ 3.5/0.75 = x,
⇒ x ≈ 4.67 pounds of flour,
Therefore, Joseph should use 4.67 pounds of flour for 1 cup of sugar.
Learn more about Proportion here
https://brainly.com/question/10644018
#SPJ1
What is the length of side c? (Hint: There are 2 angles and 2 sides)
The length of side c is approximately 4.62 units.
How to solveCalculating the value of side c can be done by applying the Law of Sines on two angles and two sides.
Initially, determining angle C is necessary:
The corresponding formula for Angle C: 180° - (Angle A + Angle B) evaluates to 90° after substituting in reference values; 60°, and 30° respectively.
Implementing the Law of Sines culminates in this expression:
a/sin(A) = b/sin(B) = c/sin(C)
Replace with known angles and evaluate as follows:
Since the measures are known;
c/sin(C) = a/sin(A).
Subsequently,
by simple algebra c= a * sin(C) / sin(A) leads to desired outcome.
Putting relevant points into the equation above gives:
c = 4 * sin(90°) / sin(60°)
By using sine values from a calculator:
the preceding expression becomes,
c = 4 * 1 / (sqrt(3)/2)
After solving for c:
c = 8 / sqrt(3)
Using square root's rationalization: multiply numerator, and denominator by √3 resulting in
c = (8 * sqrt(3)) / 3
The length of side c is approximately 4.62 units.
Read more about triangles here:
https://brainly.com/question/1058720
#SPJ1
Let's assume we have a triangle with angles A and B and sides a and b, where angle A is opposite to side a, and angle B is opposite to side b. Given angle A = 60°, angle B = 30°, side a = 4 units, and side b = 2 units, find the length of side c.
Find a.the mean b. the median mass of the fish
Answer: Mean = 1.15 Median = 1
Step-by-step explanation: add all numbers up and then divide it by 4 which will give you the mean.
Median: 0.9 and 1.1 are the 2 middle numbers in which you will add together then divide by 2 to get the exact middle value which is 1 exactly.
Picture Co charges $15 for the first picture and $7 for each additional picture. Snap N Click charges $25 for the first picture and $4 for each additional picture drag numbers to complete
The completion of the table, showing the total costs for the number of pictures taken at Picture Co. is as follows:
Picture Co.
Number of Total Costs
Pictures
1 $15
2 $22
3 $29
4 $36
5 $43.
How the total costs are computed:The total costs is computed using addition and multiplication operations.
Addition and multiplication operations are two of the four basic mathematical operations, including subtraction and division.
The charge for the first picture = $15
The charge per additional picture = $7
Picture Co.
Number of Total Costs
Pictures
1 $15
2 $22 ($15 + $7)
3 $29 ($15 + $7 x 2)
4 $36
5 $43 ($15 +$7 x 4)
Learn more about mathematical operations at https://brainly.com/question/4721701.
#SPJ1
Question Completion:Drag the numbers (22, 27, 29, 33, 41, and 43) to complete the table.
Picture Co.
Number of Total Costs
Pictures
1 $15
2 $
3 $
4 $36
5 $
Which of the following is not a benefit of just-in-time processing?
O Control of significant inventory balances
O Production cost savings
O Reduction of rework costs
O Enhanced product quality
Step-by-step explanation:
The answer is:
- Control of significant inventory balances
This is because just-in-time processing is a system that emphasizes on producing goods or services at the exact time they are needed, without accumulating inventory. Therefore, it does not prioritize the control of significant inventory balances. The other options are benefits of just-in-time processing.
Find the value of x, y, and z, in the rhombus below.
51-4
-2Z+8
46
-2x+6
please look at the picture
Answer:
(x, y, z) = (-20, 10, -19)
Step-by-step explanation:
You want the values of x, y, and z given a rhombus with sides marked (-2x+6), (5y-4), (-2z+8), and 46.
RhombusThe side lengths of a rhombus are all the same. This tells us ...
-2x +6 = 465y -4 = 46-2z +8 = 46SolutionsEach of these 2-step equations can be solved by subtracting the unwanted constant and dividing by the coefficient of the variable.
x = (46 -6)/(-2) = -20
y = (46 -(-4))/5 = 10
z = (46 -8)/-2 = -19
The values of x, y, and z are -20, 10, and -19, respectively.
Calculus Riemann sum challenge problem.
The limit of the given sum as n approaches infinity is 0.
We have the limit as n approaches infinity of the sum from i = 1 to n of 1/(n+i). We can rewrite this sum using the hint provided as:
[tex]\lim_{n \to \infty} \sum_{\substack{i=1}} ^{n}[/tex](1/ n + i) = [tex]\lim_{n \to \infty} \sum_{\substack{i=1}} ^{n}[/tex] (1/n) * (1 + i/n)
To find the limit, we need to take the limit of the Riemann sum as n approaches infinity. This is equivalent to taking the limit of the area of n rectangles under the curve y=1/x as n approaches infinity.
As n becomes very large, the width of each rectangle becomes very small, and the height of each rectangle approaches 1/n. Therefore, the area of each rectangle approaches zero.
We can then express the limit as an integral:
[tex]\lim_{n \to \infty} \sum_{\substack{i=1}} ^{n}[/tex](1/ n + i) =[tex]\lim_{n \to \infty} \sum_{\substack{i=1}} ^{n}[/tex] (1/n) * (1 + i/n) =[tex]\lim_{n \to \infty} \int ^1 _{1+1/n}[/tex] 1/x dx
Evaluating this integral gives:
[tex]\lim_{n \to \infty} \int ^1 _{1+1/n}[/tex] 1/x dx = [tex]\lim_{n \to \infty}[/tex] ln(1+1/n) = ln(1+0) = 0
To know more about limit here
https://brainly.com/question/12211820
#SPJ1
Evaluate the integral by changing to spherical coordinates:
the final result of the double integral is `(4/3)*a. we have to Integrate the inner integral with respect to z.
what is inner integral ?
An inner integral is a mathematical term that refers to the integral function that is evaluated first in a double integral.
In the given question,
To solve this double integral, we will use the following steps:
Integrate the inner integral with respect to z.
Evaluate the result of the inner integral at upper and lower limits of z.
Substitute the result of the inner integral into the outer integral and integrate with respect to y.
Evaluate the result of the outer integral at the upper and lower limits of y.
Simplify the expression.
Now, let's apply these steps to solve the given double integral:
Integrate the inner integral with respect to z:
∫(x²*z + y²*z + z³) dz = x²/2*z² + y²/2*z² + z^4/4 + C
where C is the constant of integration.
Evaluate the result of the inner integral at the upper and lower limits of z:
(x²/2*(a²-x²-y²)¹⁵ + y²/2*(a²-x²-y²)¹⁵ + (a²-x²-y²)²/4)
- (x²/2*(-a²+x²+y²)¹⁵ + y²/2*(-a²+x²+y²)¹⁵ + (-a²+x²+y²)²/4)
Substitute the result of the inner integral into the outer integral and integrate with respect to y:
markdown
∫[(x²/2*(a²-x²-y²)¹⁵ + y²/2*(a²-x²-y²)¹⁵ + (a²-x²-y²)²/4)
- (x²/2*(-a²+x²+y²)¹⁵ + y²/2*(-a²+x²+y²)¹⁵ + (-a²+x²+y²)²/4)] dy
Evaluate the result of the outer integral at the upper and lower limits of y:
= ∫[(x²/2*(a²-x²-y²)¹⁵ + y²/2*(a²-x²-y²)¹⁵ + (a²-x²-y²)²/4)- (x²/2*(-a²+x²+y²)¹⁵ + y²/2*(-a²+x²+y²)¹⁵ + (-a²+x²+y²)²/4)] dy
from y = -sqrt(a²-x²) to y = sqrt(a²-x²)
= (2/3)*x²*(a²-x²)¹⁵ + (2/3)*(a²-x²)²⁵
- (2/3)*x²*(-a²+x²)¹⁵ + (2/3)*(-a²+x²)²⁵
Simplify the expression:
= (4/3)*a³ - (4/3)*a*x²
Therefore, the final result of the double integral is `(4/3)*a
To know more about inner integral , visit:
https://brainly.com/question/30490226
#SPJ1
find the z score
0.166 square unit of the standard normal distribution is to left of z
The z score of 0.166 square units of the standard normal distribution is to leave z is -0.999.
What is a standard normal distribution?It is clear that 0.166 square units of the standard normal distribution is to the left of z. This means that the area under the standard normal distribution curve to the left of z is 0.166.
Using a standard normal distribution table or calculator, we can find the z-score corresponding to this area. For example, using a calculator, we can use the inverse normal cumulative distribution function (also called the probit function) to find the z-score:
invNorm(0.166) ≈ -0.999
Therefore, the z-score corresponding to 0.166 square units of the standard normal distribution is to the left of z is approximately -0.999.
Learn more about standard normal distribution, here:
https://brainly.com/question/29509087
#SPJ1
A baseball player threw a baseball from the top of a stadium 48
feet above the ground, with an upward velocity of 32
feet per second. To find the time, t
, that it took for the ball to land on the ground, Greg solved the equation 0=−16t2+32t+48
. Using Greg's work, which choice is the correct time, t
, that it took for the ball to hit the ground?
0=−16t2+32t+48
0=16(−t2+2t+3)
0=−t2+2t+3
0=(−t+3)(t+1)
As per the given equation the correct time, t, that it took for the ball to hit the ground is t = 3 seconds.
What is an equation?An equation is a mathematical statement that expresses the equality between two expressions. Equations typically include variables, which are symbols that represent unknown or varying quantities, and constants, which are known values.
An equation can be written in various forms, depending on the type of equation and the context in which it is used. Some common forms of equations include linear equations, quadratic equations, and polynomial equations.
For example, the equation x + 5 = 10 is a linear equation that has one variable, x. It can be solved by subtracting 5 from both sides of the equation to get x = 5.
A quadratic equation, such as x² + 2x + 1 = 0, has a variable raised to the second power. It can be solved using the quadratic formula or by factoring.
According to the given informationTo solve the equation 0=−16t²+32t+48, Greg factored out a common factor of -16 from all three terms to get:
0 = -16(t² - 2t - 3)
Then, he factored the quadratic expression inside the parentheses as:
0 = -16(t - 3)(t + 1)
This gives us two solutions for t: t = 3 and t = -1.
However, we can discard the solution t = -1, since time cannot be negative in this context. Therefore, the correct time, t, that it took for the ball to hit the ground is t = 3 seconds.
To know more about the equations visit:
brainly.com/question/12788590
#SPJ1
$500 is deposited in an account with 7%
interest rate, compounded continuously.
What is the balance after 10 years?
7
F = $[?]
The required balance after 10 years with continuous compounding at a 7% interest rate would be approximately $1007.
To calculate the balance after 10 years with a continuous compounding interest rate of 7%, we can use the formula for continuous compound interest:
[tex]F = P * e^{rt}[/tex]
Where:
F is the future balance or the final amount
P is the principal amount (initial deposit)
e is the base of the natural logarithm (approximately 2.71828)
r is the interest rate (expressed as a decimal)
t is the time in years
In this case, the initial deposit (principal) is $500, the interest rate is 7% (0.07 as a decimal), and the time is 10 years. Plugging these values into the formula, we get:
[tex]F = 500 * e^{0.07 * 10}[/tex]
Using a calculator, we can evaluate e^(0.07 * 10) ≈ 1.96728. Multiplying this by 500 gives us:
[tex]F=500 * 1.96728[/tex]
F = $1007
Therefore, the balance after 10 years with continuous compounding at a 7% interest rate would be approximately $1007.
Learn more about continuous compounding here:
https://brainly.com/question/30460031
#SPJ1
an architect plans to build an extension to Meiling's rectangular deck. Let x represent the increase, in meters, of her deck's length. The expression 5.5(x + 8.5) represents the area of the deck, where 5.5 is the width, in meters, and (x + 8.5) represents the extended length, in meters. Use the Distributive Property to write an expression that represents the total area of Meiling's new deck.
The Distributive Property of multiplication indicates that the area of the rectangular deck is; Area = 5.5·x + 46.75 square meters
What is the Distributive Property?The Distributive Property of multiplication states that a × (b + c) = (a·b + a·c).
The increase in the length of the deck = x meters
The area of the deck 5.5·(x + 8.5)
The width of the deck = 5.5 meters
The length of the deck = (x + 8.5) meters
The expression that represents the area of the whole deck obtained using the Distributive Property is therefore;
Area = 5.5·(x + 8.5) = 5.5 × (x + 8.5)
Distributive Property indicates that we multiply each term in the expression within the bracket symbol by 5.5 as follows;
Area = 5.5 × x + 5.5 × 8.5 = 5.5·x + 46.75
Learn more on the Distributive Property here: https://brainly.com/question/2807928
#SPJ1
The spinner shown is used in a game and is equally likely to land on each section. Find each probability.
P(less than 5)
Fraction=
Percent= %
Likelihood= impossible, unlikely, equally likely, likely, certain
P(shaded)
Fraction=
Percent= %
Likelihood= impossible, unlikely, equally likely, likely, certain
P(not shaded)
Fraction=
Percent= %
Likelihood= impossible, unlikely, equally likely, likely, certain
PLEASE ANSWER WILL GIVE BRAINIEST
Answer:
1.fraction=1/4
percentage is 0.25
likelihood=unlikely
2.fraction=5/16
percentage=0.3125
likelihood=unlikely
3.fraction=11/16
percentage=0.6875
likelihood=likely
also no need for brainliest instead I would like u to follow me
Write the coordinates for
each given point on the
coordinate plane below.
1. Point A
2. Point B
3. Point C
4. Point D
Answer:
Point A (-3,3)
Point B about (3,-2.75)
Point C (-4,-4)
Point D (1,0)
Step-by-step explanation:
HELP PLSZZZZSZZZZZZZZZZ need asap
Answer:
please insert question
Step-by-step explanation:
The side measures of a rectangular prism are tripled. What is the relationship between the surface area of the original prism and the surface area of the new prism?
Answer:
The new prism has 9 times the surface area of the original prism
Step-by-step explanation:
There are three ways in which you can answer this question.
The hard way:
The surface area of a rectangular prism is given by
A = 2(LW+ LH+ WH)
where L= length, W= width and H = height)
If we were to triple the sides we would get the new side measures as
3L, 3W, 3H
New surface area becomes:
A' = 2 (3L · 3W + 3L · 3H · 3W· 3H)
A' = 2(9LW + 9 LH + 9 WH)
Factoring out 9 from the brackets we get
A' = 2 · 9 (LW+ LH+ WH)
A'/A = 2 · 9 (LW+ LH+ WH) /2(LW+ LH+ WH)
The common term 2(LW+ LH+ WH) cancels out from numerator and denominator leaving 9 as the answer
A smarter and easy way of doing this
A cube is nothing but a rectangular prism with all sides equal. Let a be the length of a side of the cube
A cube has 6 sides. The surface area of each side = a x a = a²
So total surface area A = 6a²
If each side is tripled, each side becomes 3a.
New surface area A' = 6 (3a)² = 6 (9a²)
A'/A = 6 (9a²)/6(a²) = 9
An even easier way
Again we take a cube. But instead of using a variable, let's assign the side of the cube a length of 1 unit
Surface area A = 6 · 1² = 6
After tripling each side becomes 3 units long
New surface area A' = 6 · 3² = 6.9 = 54
A'/A = 54/6 = 9
Choose whichever method you feel comfortable with
If you multiply or divide both sides of an inequality by a negative number you must_______ the inequality sign
Answer:
reverse or flip
A store has 350 sales in the first week and increases the number of sales by 45 each week. What is the total number of sales after 8 weeks?
The total number of sales after 8 weeks through which the given condition is satisfied is 4060 sales.
Explain the process through which sales is identified?
There are several mathematical formulas that can be used in sales to calculate different metrics such as profit, revenue, and discounts. Here are some examples:
Profit formula: Profit = Revenue - Cost
This formula is used to calculate the profit earned from the sale of a product or service. Revenue is the total amount of money generated from sales, and cost includes all the expenses associated with producing and selling the product.
Gross margin formula: Gross Margin = (Revenue - Cost of Goods Sold) / Revenue
This formula is used to calculate the gross margin percentage, which is the difference between revenue and the cost of goods sold, divided by revenue. This metric represents the percentage of revenue that is left over after accounting for the cost of producing the product.
Discount formula: Discount = List Price x Discount Rate
This formula is used to calculate the amount of discount applied to the list price of a product. The discount rate is expressed as a percentage, and is multiplied by the list price to determine the amount of the discount.
Markup formula: Markup = (Selling Price - Cost) / Cost
This formula is used to calculate the markup percentage, which is the difference between the selling price and the cost of producing the product, divided by the cost. This metric represents the percentage increase in price that is added to the cost to arrive at the selling price.
According to the given information:
Given, 350 sales in the first week and increases the number of sales by 45 each week.
Based on the given condition fromulate:
⇒ 8 x ( 2 x 350 + 45 x (8-1)) / 2
After solving the above relation we get,
⇒ 4 x (2x350 + 45 x 7)
⇒ 4 x (700 + 315)
⇒ 4 x 1015
⇒ 4060.
To know more about sales visit:
https://brainly.com/question/30695847
#SPJ1
For each pair of triangles below, decide whether the triangles are similar and/or congruent. Justify each conclusion. Show all work.
The triangles which are similar or congruent discussed below.
If the triangles are similar then the corresponding side ratios are equal.
1. 6/9 = 2/3
9/13.5= 2/3
8/12= 2/3
Thus, the triangle are similar.
2. The second case is neither similar or congruent.
3. The pair has one right angle common and one side measure 6 unit.
So, the triangle are neither similar or congruent.
4. The triangles have two angles equal.
so, the triangle are similar.
Learn more about Similarity here:
https://brainly.com/question/26451866
#SPJ1
Quadrilateral JKZM will be reflected over the x-axis to create its image, quadrilateral JKZ'M What will be the r-coordinate of vertex K*?
53'5 San
I can assist you in determining the r-coordinate of vertex K* following the reflection if you provide me the coordinates of vertex K in the original quadrilateral.
what is expression ?It is possible to multiply, divide, add, or subtract in mathematics. The following is how an expression is put together: Number, expression, and mathematical operator The components of a mathematical expression (such as addition, subtraction, multiplication or division, etc.) include numbers, variables, and functions. It is possible to contrast expressions and phrases. An expression, often known as an algebraic expression, is any mathematical statement that contains variables, numbers, and an arithmetic operation between them. For instance, the word m in the given equation is separated from the terms 4m and 5 by the arithmetic symbol +, as does the variable m in the expression 4m + 5.
I can assist you in determining the r-coordinate of vertex K* following the reflection if you provide me the coordinates of vertex K in the original quadrilateral.
To know more about expressions visit :-
https://brainly.com/question/14083225
#SPJ1
Compare the three decimals in each column. Circle the decimal that is greatest, and underline the decimal that is least. (4) 13.655 13.565 13.65 .
Make m the subject of the formula E = mgh + 1/4mv^2
To make m the subject of the formula in the equation E = mgh + 1 / 4mv² is m = E / mgh + 1 / 4mv²
How to make a variable the subject of the formula in an equation?The equation E = mgh + 1 / 4mv².
An equation is a formula that expresses the equality of two expressions, by connecting them with the equals sign =.
A variable is a number represented with a letter in an equation. m is the variable to make the subject of the formula.
Therefore,
E = mgh + 1 / 4mv²
factorise the equation on the right side
E = m(gh + 1 / 4v²)
Divide both sides of the equation by mgh + 1 / 4mv²
Hence,
m = E / mgh + 1 / 4mv²
learn more on equation here: https://brainly.com/question/10689221
#SPJ1
Milan took 3 1/4 hours to clean the bathroom. He took 1/8 hours to clean the bathroom. How much longer did it take Milan to clean the bathroom? Write your answer as a mixed number in simplest form.
Answer:
3 1/8 or 25/8
Step-by-step explanation
This is because you are trying to find how much longer milan took. So we subtract 3 1/4 - 1/8
To do this convert 3 1/4 to 3 2/8 -1/8
Help pls
Find f '(a).
f(t) = [tex]\frac{2t+4}{t+9}[/tex]
Find f '(a).
f(x) = [tex]\frac{1}{\sqrt{x+1} }[/tex]
On differentiating, the derivative of the functions at x = a, is
(i) f'(a) = 14/(a+9)²,
(ii) f'(a) = [tex]-\frac{1}{2(a+1)^{\frac{3}{2} } }[/tex].
Part (i) : To find the derivative of f(t) = (2t+4)/(t+9) at x = a, we can use the quotient rule:
The "quotient-rule" is defined as a formula which is used in finding derivative of a function which is quotient of two other functions.
The formula is : (f/g)' = (f'g - g'f)/g²,
where f' , g' = derivatives of functions "f" and "g", respectively.
So, f'(t) = [(t+9)×(2) - (2t+4)×(1)] / (t+9)²,
Substituting t = a,
We get,
⇒ f'(a) = [(a+9)(2) - (2a+4)(1)] / (a+9)²,
⇒ f'(a) = (2a+18 - 2a-4) / (a+9)²,
⇒ f'(a) = 14/(a+9)²,
So, the derivative of f(t) at x = a is f'(a) = 14/(a+9)².
Part (ii) : To find the derivative of the function, f(x) = 1/√(x+1) at x = a, we use the chain rule:
The "Chain-Rule" is defined as a formula which is used in finding derivative of a "composite-function".
So, f'(x) = [tex]-\frac{1}{2(x+1)^{\frac{3}{2} } }[/tex] × (1)
Substituting x = a,
We get,
⇒ f'(a) = [tex]-\frac{1}{2(a+1)^{\frac{3}{2} } }[/tex] ,
Therefore, the derivative of f(x) at x = a is f'(a) = [tex]-\frac{1}{2(a+1)^{\frac{3}{2} } }[/tex].
Learn more about Derivative here
https://brainly.com/question/29020856
#SPJ1
The given question is incomplete, the complete question is
Find the derivative of the given functions at "x=a".
(i) f(t) = (2t+4)/(t+9),
(ii) f(x) = [tex]\frac{1}{\sqrt{x+1} }[/tex] 1/√(x+1)