To solve for angle A and angle B in the given triangle, we can use the Law of Sines. The Law of Sines states that the ratio of the length of a side to the sine of its opposite angle is constant for all sides and angles in a triangle.
In this case, we have side a with length 2 and side c with length 9. Let's denote angle A as angle opposite side a and angle B as angle opposite side b (which is unknown).
Using the Law of Sines, we have:
sin(A) / a = sin(B) / b
Plugging in the known values, we get:
sin(A) / 2 = sin(B) / 9
To find angle A, we can use the arcsine function:
A = arcsin((sin(B) / 9) * 2)
To find angle B, we can rearrange the equation:
sin(B) = (sin(A) / 2) * 9
B = arcsin((sin(A) / 2) * 9)
Now we can calculate the angles using a calculator:
A ≈ 19.5 degrees (rounded to one decimal place)
B ≈ 84.1 degrees (rounded to one decimal place)
Therefore, angle A is approximately 19.5 degrees and angle B is approximately 84.1 degrees.
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Jenna earns $8.75 per hour working at the mall. If Jenna worked 25 1/5 hours last week, how much did she earn before taxes were taken out?
Answer:
$220.5
Step-by-step explanation:
To answer this simply multiply the number of hours (25.2) times the hourly wage 8.75 and you'll get the answer
25.2 times 8.75 equals 220.5
Simplify w x 12 x 3
Helppp
Answer:-x • (w2 - 12)
——————————————
3w
D. The cost to play the game is $2. The winner gets $6 for making purple. How much profit would the school make from 18 people playing the game?
Answer:
$30
Step-by-step explanation:
1 person = $ 2
18 person = 2 × 18 = $36
winner = $6
profit = 36 - 6 = $30
Mark the focus of the parabola you are going to create at F(6, 4). Draw a horizontal line that is 6 units below the focus. This line will be the directrix of your parabola. What is the equation of the line?
Answer: y=-2
Step-by-step explanation:
Based on the location of the line and the focus of the parabola, the equation of the line will be y = -2.
What is the equation of the line?The line is a horizontal line which means that the primary focus will be on the y axis.
The focus of the parabola is at F(6, 4) and the line is to be 6 units below this focus which means that the line on the y axis will be at:
= 4 - 6
= -2
This leaves the formula of the line as y = -2.
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Which is the graph of g(x)>2√3x+2?
Answer:
3rd one im pretty sure
Step-by-step explanation:
What type of triangle is this ?
Answer:
triangle bby
Step-by-step explanation:
Step-by-step explanation:
Right because there's an angle of 90
If x and y are two rational numbers such that x < y , then ______ is a rational number in between x and y.
Answer:
[tex]\dfrac{x+y}{2}[/tex]
Step-by-step explanation:
Let first number be x and another number is y.
A rational number is a fraction that can be expressed in the form of x/y.
A rational number between x and y is given by :
[tex]R=\dfrac{x+y}{2}[/tex]
So,
If x and y are two rational numbers such that x < y , then [tex]\dfrac{x+y}{2}[/tex] is a rational number in between x and y.
Which variable of time could cause a student’s GPA to increase?
a) sleeping
b) working
c) eating
d) studying
The correct answer is D.
The variable of time that could cause a student’s GPA to increase is studying.
A student’s grade point average (GPA) is a reflection of their academic performance, which is determined by their cumulative grades in classes and academic subjects over a period of time.GPA can be influenced by various factors, including how much time students dedicate to studying, the amount of effort they put in, and how effectively they utilize their study time. Therefore, if students dedicate more time to studying, their grades may improve, resulting in a higher GPA.For such more questions on GPA
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The drawing shows a semicircular window separated into 3 sections of colored glass
Approximately how many square inches of the tinted glass are red
Answer:
141.3
Step-by-step explanation:
27.78% of the total area is covered with red.
What is the area of a sector? What is a expression? What is a mathematical equation?A part of a circle is called sector. The area of a sector is given by -(Ф/360) x πr²
A mathematical expression is made up of terms (constants and variables) separated by mathematical operators. A mathematical equation is used to equate two expressions.Equation modelling is the process of writing a mathematical verbal expression in the form of a mathematical expression for correct analysis, observations and results of the given problem.We have the given semicircle as shown in image.
Total green coloured area -
A[G] = 2 x {(Ф/360) x πr²}
A[G] = 2 x (40/360 x πr²}
A[G] = (2/9)πr²
Now -
A[R] = πr²/2 - (2/9)πr²
A[R] = πr²{1/2 - 2/9}
A[R]% = (πr²{1/2 - 2/9}/πr²) x 100
A[R]% = (1/2 - 2/9) x 100
A[R]% = (9 - 4)/18 x 100
A[R]% = 5/18 x 100
A[R]% = 500/18
A[R]% = 27.78%
Therefore, 27.78% of the total area is covered with red.
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Please help due today:///
Convert 3.1415 x 10^-2 to standard notation.
In the following diagram, parallelogram ABCD contains triangle CED. Line CE and line ED intersect at point E. The measures of ∠CEA and ∠CDE are shown. What is the measure of x?______ degrees *
Answer:
∠x = 59°
Step-by-step explanation:
∠ECD = 52° because they are alternate angles and will be equal
∠x = 180° - 52° - 69° = 59° because the sum of the interior angles of a triangle = 180°
If your car gets 29 miles per gallon, how much does it cost to drive 300 miles when gasoline costs $3.20 per gallon?
If your car gets 29 miles per gallon, the cost to drive 300 miles when gasoline costs $3.20 per gallon is approximately $33.10.
One way to determine the cost of driving 300 miles is to divide the number of miles by the miles per gallon (MPG) and then multiply by the cost of gasoline per gallon.
Divide 300 miles by 29 MPG to get the total number of gallons of gasoline needed:
300 ÷ 29 ≈ 10.34 gallons
Round up to the nearest whole number to get 11 gallons
Multiply the number of gallons by the cost per gallon of gasoline:
$3.20/gallon x 11 gallons = $35.20
Therefore, it will cost $35.20 to drive 300 miles when gasoline costs $3.20 per gallon with a car that gets 29 miles per gallon.
We know that 1 US gallon equals 3.785411784 liters. Therefore, the car travels 29 x 3.785411784 = 109.724897 liters in 1 US gallon.
So, the cost of traveling 300 miles will be 300/29 = 10.34482759 gallons.
So, the cost of traveling 300 miles will be $3.2 x 10.34482759 = $33.10344828. Therefore, the cost of traveling 300 miles will be $33.10 approximately.
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the quotient property of radicals requires the indices of the radicals to be the same. does this mean that it is not possible to write as a single radical? explain.
The quotient property of radicals requires the indices of the radicals to be the same. Thus, it is not possible to write the expression (5√3 + 2√2) as a single radical.What is the quotient property of radicals?
The quotient property of radicals states that for any non-negative numbers x and y with y ≠ 0, if n is an integer greater than 1, then the following property holds:√(x/y) = √x/√yNow let's take a look at the question at hand. We can see that the two radicals have different indices. Therefore, the quotient property of radicals does not apply. As a result, it is not possible to simplify the expression as a single radical. Therefore, the expression (5√3 + 2√2) cannot be written as a single radical.
The quotient property of radicals states that when dividing radicals, the indices (or roots) of the radicals involved must be the same. In other words, for the quotient property to be applicable, the radicals being divided must have the same root.
If the radicals have different indices, it is generally not possible to simplify the expression into a single radical. This is because the rules of radical arithmetic require the indices to be the same in order to combine or simplify radicals.
For example, let's consider the expression √2 / √3. Here, the radicals have different indices (square root and cube root), so we cannot combine them into a single radical using the quotient property. The expression √2 / √3 cannot be simplified further because the indices do not match.
However, it's important to note that even though the quotient property does not apply in such cases, it does not mean that the expression is mathematically invalid or cannot be manipulated further. It simply means that the expression cannot be simplified into a single radical using the quotient property. Other algebraic techniques or operations may be necessary to further simplify or manipulate the expression if desired.
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The given information is the quotient property of radicals requires the indices of the radicals to be same.
Yes, it is not possible to write [tex]$8\sqrt{2}+5\sqrt{3}$[/tex] as a single radical because the quotient property of radicals requires the indices of the radicals to be the same.
The quotient property of radicals is a mathematical concept that explains how to divide two radicals with the same index. If r is a non-negative number and s is a non-negative number, then:
[tex](\frac{r}{s})^{n}=\frac{r^{n}}{s^{n}}[/tex]
The property of quotient states that the quotient of the same degree radicals is equal to the same degree root of the quotient of the radicands. If a and b are non-negative numbers and n is an integer greater than 1:
[tex](\frac{a}{b})^{n}=\frac{a^{n}}{b^{n}}\sqrt[n]{\frac{a}{b}}[/tex]
[tex]=\frac{\sqrt[n]{a}}{\sqrt[n]{b}}[/tex]
If you look at the terms [tex]$8\sqrt{2}$ and $5\sqrt{3}$[/tex], you can tell that their indices are not the same. The term [tex]$8\sqrt{2}$[/tex] has an index of 2 while the term [tex]$5\sqrt{3}$[/tex] has an index of 3. The quotient property of radicals requires the indices of the radicals to be the same. Therefore, you cannot add or subtract two radicals that do not have the same index.
Example: [tex]$8\sqrt{2}+5\sqrt{3}$[/tex] can be rearranged as [tex]$8\sqrt{2}+0\sqrt{3}+5\sqrt{3}$[/tex]. Then using distributive property, it can be written as [tex]$(8+0)\sqrt{2}+5\sqrt{3}$[/tex]. In conclusion, it is not possible to write [tex]$8\sqrt{2}+5\sqrt{3}$[/tex] as a single radical.
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Newborn babies weigh an average of 7.5 pounds with a standard deviation of 1.25 pounds. Find the 2-score for a baby who weighs 6.70 pounds. Round your answer to 2 decimal places. I
This indicates that the baby's weight is 0.64 standard deviations below the mean weight of newborn babies.
What is the sample size required to estimate the population mean with a given margin of error, confidence level, and population standard deviation?To calculate the z-score, we use the formula:
z = (x - μ) / σx is the observed value (weight of the baby),μ is the mean (average weight of newborn babies),σ is the standard deviation.In this case, the observed weight is 6.70 pounds, the mean weight is 7.5 pounds, and the standard deviation is 1.25 pounds.
Plugging these values into the formula, we get:
z = (6.70 - 7.5) / 1.25Calculating this, we find that the z-score is approximately -0.64.
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What is the quotient of 1,234 and 4?
Answer:
308.5 lol
Step-by-step explanation:
HEEEELLLLPPPPPPPPP !!!!
Answer:
Step-by-step explanation:
Common difference = 5
a₁ = 24
a₆ = a₁ + (6-1)5 = 49
Find the exact value of sin 105º.
Answer:
sin 105 = sin (45 + 60) = sin 45 cos 60 + cos 45 sin 60, or
= (1 / √2)(1 / 2) + (1 / √2)(√3 / 2)
1 + √3
= -------------
2√2
Step-by-step explanation:
can someone please help me with this problem?
Answer:
14
Step-by-step explanation:
First you figure out what the value of x is, and then you must add the numbers in the Participates in Sports column to get 14
what is the area of a semicircle that has a radius of 30 feet
Answer:
1413 sq ft.
Step-by-step explanation:
Area of a semicircle=(1/2)*πr²
Radius=30ft
A=(1/2)*3.14*30²=1413 sq ft.
Given m
|| n, find the value of x.
т
n
(6x+19)°
(4x+11)
a
Help what is X
Answer:
x=15
supplementary angle equals 180
need help with this one also
Answer:
scale factor 3 is the answer.
Step-by-step explanation:
Length = 18 in
Breadth = 3 in
height = 10 in
Volume of cuboid = l × b × h
V = 18 × 3 × 10
V = 540 in³
540 in³ is the original volume. The volume needs to be tripled, so multiply the original volume with 3
V = 540 × 3 = 1620 in³
∴ 1620 in³ will be the new volume if it's tripled and the scale factor is 3.
HELP ME TEST QUESTION!! A bar graph is shown below. What percent of owners chose dog as their favorite pet?
A boat has a depreciation rate of 12% per year. If the original price of the boat was $15,000, what is the value of the boat 5 years later? Round your answer to the nearest penny (hundredths place value).
Answer: $7,915.98
Step-by-step explanation: This is an exponentially decaying problem, so that means we use the formula ab^x.
The a value is the original price or the starting point, which is 15,000. The b value is the ratio in which it decreases or increases. It is decreasing, so we subtract 12 from 100, which is 88. The ratio should be in decimal form, so it is 0.88. Finally, the x should be the exponent, the amount of times it is getting multiplied by the ratio. So the equation would be 15,000(0.88)^5.
Then, we solve.
0.88 * 0.88 * 0.88 * 0.88 * 0.88 = 0.5277319168
Then 0.5277319168 * 15,000 = 7,915.978752.
Of course, we round to the nearest hundredth, which is 7,915.98. Hope this helped.
Guided Practice
Which property justifies the first step in solving this equation ?
[tex]\frac{x}{5}[/tex]+9=11
[tex]\frac{x}{5}[/tex]+9−9=11−9
A.
Substitution Property of Equality
B.
Addition Property of Equality
C.
Subtraction Property of Equality
Answer:
a subtraction
Step-by-step explanation:
C.
Subtraction Property of Equality
1-Pearson Publishing expects to sell $2 million of its new edition of "Foundation of Finance." However, $200,000 of this amount would have been spent on its existing past edition of the textbook. The $2 million is the appropriate cash inflow for the new edition of the book
true or false
2-Companies should use accounting profits, not cash flows, to make capital budgeting decisions.
true or false
(1) The statement that, "The $2 million is appropriate cash-inflow for the new edition of the book" is False because the cash-inflow is $1.8 million.
(2) The statement that, "Companies should use accounting profits, not cash flows, to make capital budgeting decisions" is False because, companies should focus on cash flows.
Part (1) The $2 million is not appropriate "cash-inflow" for "new-edition" of book. The $2 million represents "expected-sales" revenue from the new edition of "Foundation of Finance," but it does not take into account any costs or expenses associated with producing or marketing the book.
It is mentioned that $200,000 would have been spent on existing past edition of textbook. This expense needs to be deducted from expected sales revenue to determine the appropriate cash inflow.
So, appropriate cash-inflow for the new edition would be $2 million minus $200,000, which equals $1.8 million.
So, the statement is False.
Part (2) : Companies should use cash flows, not accounting-profits, to make capital budgeting decisions. Accounting-profits, also known as net income or earnings, are calculated based on accrual accounting principles and include non-cash items such as depreciation and amortization.
When making capital budgeting decisions, it is essential to consider the actual "cash-flows" generated by an investment project. Cash flows represent the cash inflows and outflows that occur over a specific period, and they are crucial for evaluating the feasibility and profitability of an investment.
Therefore, the statement is False.
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help with this question pleaseee !!
Consider this diagram of quadrilateral ABCD, which is not drawn to scale.
Which two statements must be true based on the information indicated by the diagram?
A. AC=~ BD
B. Triangle ABC =~ Triangle CDA
C.AB =~ DC
D. Angle ABD =~ Angle DBC
Option A,Option B and Option C is correct
What is parallelogram?
Parallelogram is 4 sided closed figure with opposites parallel and equal
Given,AB=CD
AD=BC
Since, its opposite sides are equal, it is a parallelogram.
∴ΔABD≅ΔBCD
AC= BD(By CPCTC)
B. Triangle ABC =~ Triangle CDA ( Since its a parallelogram)
C.AB =DC(Given)
D. Angle ABD =~ Angle DBC(wrong)
Therefore,Option A,Option B and Option C is correct
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Answer:
( B ) △ABC ≅ △CDA
( C ) AB ≅ DC
Step-by-step explanation:
Khan Academy;
ABC = CDA, but ≅ means approximately which is also true.
AB = DC, because the distance matches.
8/10=6/5 what is this
Answer:
Hi! You're uspposed to check the equality, and it is false. 8/10 is not equal to 6/5.
However, If you add the two together by making the common denominator 10, you will get 20/10 or 2.
Answer:
4/5=6/5 :3
Step-by-step explanation:
. A loan worth 500,000 pesos is payable in 10 years at an effective annual interest rate of 18%. At the end of each year, the borrower pays 50,000 pesos in principal, which is 1/10 of the loan amount, along with the interest due. Find a formula for the kth payment Pₖ. Then construct an amortization schedule.
The formula for the kth payment Pₖ is Pₖ = (1/10 * PV) + (PV * r).
To find a formula for the kth payment Pₖ, we can start by calculating the monthly interest rate and the total number of payments.
Given that the loan is payable in 10 years, we have a total of 10 payments. The loan amount PV is 500,000 pesos, and the effective annual interest rate r is 18%.
First, let's calculate the monthly interest rate:
Monthly interest rate = (1 + r)^(1/12) - 1
Substituting the values, we have:
Monthly interest rate = (1 + 0.18)^(1/12) - 1 ≈ 1.4337% or 0.014337
Now, let's find the kth payment Pₖ. Since the borrower pays 50,000 pesos in principal at the end of each year, which is 1/10 of the loan amount, we can modify the formula to:
Pₖ = (1/10 * PV) + (PV * r)
Substituting the given values, we have:
Pₖ = (1/10 * 500,000) + (500,000 * 0.014337)
Simplifying, we get:
Pₖ ≈ 50,000 + 7,168.5 ≈ 57,168.5 pesos
This formula gives the kth payment Pₖ for any specific year during the loan term.
Now, let's construct an amortization schedule for this loan:
Year | Payment | Principal | Interest | Balance
--------------------------------------------------
1 | 57,168.5 | 50,000 | 7,168.5 | 450,000
2 | 57,168.5 | 50,000 | 7,168.5 | 400,000
3 | 57,168.5 | 50,000 | 7,168.5 | 350,000
...
10 | 57,168.5 | 50,000 | 7,168.5 | 0
In each year, the principal payment remains constant at 50,000 pesos, and the interest payment gradually decreases as the outstanding balance decreases. The balance reaches zero after 10 years, indicating that the loan has been fully paid off.
Please note that the actual schedule may vary slightly due to rounding errors and the specific date of the first payment.
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