Mathematics High School

please help me if you do not know do not answerr​

Please Help Me If You Do Not Know Do Not Answerr

Answers

Answer 1

Answer:

Quadratic

Step-by-step explanation:

Example of linear is 2x + 3

Example of quadratic is x² + 2x + 3

Example of cubic is x³ + 2x² + 3x + 4

Example of quartic is x⁴ + 2x³ + 3x² + 4x + 5

Related Questions

You roll a 6-sided die. What is P(prime)? Write your answer as a percentage.

Answers

Answer:

50%

Step-by-step explanation:

☆Answer :

n(s) = {1, 2, 3, 4, 5, 6} = 6

n(a) = {2, 3, 5} = 3

p(a) = n(a)/n(s) p(a) = 3/6 p(a) = ½ <==> 50%

Tell whether this equation has no solution, one solution, or infinitely
many solutions.
2x+5=5x-1
O no solution
Oone solution
O infinitely many solutions

Answers

Answer:

infinitely many solutions

Step-by-step explanation:

infinity many solutions

2. Mrs Davis bought furniture online. She had to pay 15% in shipping fees. The
items totaled $4,000. How much did the shipping cost?

Answers

Answer:

The shipping costed $600.

Step-by-step explanation:

4,000 * 15% = 600

or

4,000 * 0.15 = 600

Help i will give u brainlest

Erin buys gas at a gas station for $4 a gallon. There is a sale going on at the gas station so that anyone who buys more than 5 gallons of gas only has to pay $3 a gallon for each gallon over 5 gallons. If a person buys more than 10 gallons of gas, each gallon over 10 gallons is only $2 a gallon for every gallon over 10 gallons but less than or equal to 15 gallons.. Erin's tank holds 12 gallons of gas.

Answers

Answer:

39$

Step-by-step explanation:

20+15+4=39$

A 2-column table with 5 rows. Column 1 is labeled Number of Siblings with entries 0, 1, 2, 3, 4. Column 2 is labeled Students with entries (Jenn, Bill, Rosa, Juan), Cho, (Damon, Mike, Lisa, Lupe, Maggie), blank, Greg.
A small class took a survey of the number of siblings each student has. The data are shown in the table.

Which data representation would be most appropriate to represent each student who has a given number of siblings?
line graph
line plot
bar graph
stem and leaf plot

Answers

Answer:

line plot

Step-by-step explanation:

1. Jemima wants to make chocolate chip walnut brownles. Chocolate chips come in a 12oz bag that costs $3. Walnuts
come in a 4oz bag that costs $2. If Jemima needs three pounds of chocolate chips and walnuts combined, and has $15
to spend, how many bags of each can she buy?

Answers

Answer:

4 bags of chocolate chips and 1 bag of walnuts.

Step-by-step explanation:

Find how many ounces are in 3 pounds:

16 oz = 1 lb

16 oz × 3 = 3 lbs

48 oz = 3 lbs

Variable x = number of chocolate chips

Variable y = number of walnuts

4x + 1y = 15

Keep in mind it must equal up to 48 oz and be $15 or under.

4 bags × 12 oz = 48 oz

1 bag × 4 oz = 4 oz

48 oz + 4 oz = 52 oz > 48 oz

4 bags × $3 = $12

1 bag × $2 = $2

$12 + $2 = $14 < $15

Both requirements have been met.

Four less than x = ??

Answers

Answer:

x-4

Step-by-step explanation:

Answer:

x-4

Step-by-step explanation:

ANYONE IM RUNNING OUT OF TIME!!!!!

Answers

Answer:

Y= -5/2x+3

Step-by-step explanation:

A perpendicular slope is always opposite (meaning if the original is negative, then it is positive and vice versa) and reciprocal (meaning the numerator and denominator of the original are flipped).

The y intercept I found by applying the slope to the point given.

Perpendicular lines have opposite reciprocal lines.

y = mx + b
the m represents the slope
the opposite reciprocal of 2/5 is -5/2
y = -5/2x + b
to solve the rest of the problem, you will need to plug in your x and y coordinates.
-2 = -5/2(2) + b
-2 = -10/2 + b
-2 = -5 + b
Add 5 to both sides.
b = 3

This means your equation is...
y = -5/2x + 3

The area of a circle is 2.5434 square meters. What is the circle's radius?

Answers

Answer:

r= 0.899m

Step-by-step explanation:

A= [tex]\pi[/tex]r²

r=√A/[tex]\pi[/tex]

Answer:

0.8468686471

Step-by-step explanation:

Area of a circle = π r²

2.2534= 3.142*r^2

0.7171865054=r^2

r=Square root of 0.7171865054

=0.8468686471

Jackson bought a jar of 240 marbles. The percent bar graph shows the percentage of each color marble in the jar.





How many of the marbles are yellow?

Answers

Answer:

72 marbles are yellow

Step-by-step explanation:

solving by elimination
7x-y=19
2x-3y=19​

Answers

Answer:

2x + y = -2, x + 2y = 2

4x + y - 2z = 0, 2x+ 3z = 9 , -6x - 2y + z = 0

x + y = 4 , x - y = 2

Step-by-step explanation:

Answer:

x=2 and y=−5

Step-by-step explanation:

Let's solve your system by elimination.

7x−y=19;2x−3y=19

Multiply the first equation by -3,and multiply the second equation by 1.

−3(7x−y=19)

1(2x−3y=19)

Becomes:

−21x+3y=−57

2x−3y=19

Add these equations to eliminate y:

−19x=−38

Then solve−19x=−38for x:

−19x=−38

(Divide both sides by -19)

x=2

Now that we've found x let's plug it back in to solve for y.

Write down an original equation:

7x−y=19

Substitute2forxin7x−y=19:

(7)(2)−y=19

−y+14=19(Simplify both sides of the equation)

−y+14+−14=19+−14(Add -14 to both sides)

−y=5

y=-5

I’ll give brainiest whoever get it right!

Answers

It’s got to be A because y=Mx+b and I’m pretty sure the m is always on the x axis

HELP PLEASE ASAP TYSM GOD BLESS YOU AND YOUR FAMILY! 15 BRAINLY POINTS

Answers

Answer:

I'm not religious, but thank you anyways.

The upside down "T" mean perpendicular to.

Perpendicular:

per·pen·dic·u·lar

/ˌpərpənˈdikyələr/

adjective

1.

at an angle of 90° to a given line, plane, or surface.

___________________________________________________________

Since the question is asking you which one has two perpendicular lines, it can be assumed that the picture on the left is the answer, since that is the only of the two pictures that have lines what appear perpendicular.

It takes you 3 hours to drive to a concert 135 miles away. You drive 55 miles per hour on highways and 40 miles per hour on the rest of the roads. Write a system of linear equations that represents this equation. Use x to represent the number of hours driving on a highway and y to represent the number of hours driving on other roads.

Answers

Answer:

x + y = 3  (1)

55x + 40y = 135 (2)

Step-by-step explanation:

Since  x to represent the number of hours driving on a highway and y to represent the number of hours driving on other roads and the total time for driving is 3 hours,

x + y = 3  (1)

Also, You drive 55 miles per hour on highways and 40 miles per hour on the rest of the roads, the distance moved on highways is 55x and the distance moved on the rest of the roads is 40y (since distance = speed × time).

Since the total distance moved is 135 miles, we have

55x + 40y = 135 (2)

So, the system of linear equations that represent the situation is

x + y = 3  (1)

55x + 40y = 135 (2)

What is 60% of 450?
60
75
240
270

Answers

Answer:

270

Step-by-step explanation:

450x60%= 270

         OR

450x0.6=270

Answer:

Step-by-step explanation:

270

 

Help me with this please

Answers

Answer- “Strong, positive, linear”

A square has its dimensions changed by a scale factor of 3. If the new area is 225 square inches, what was the area of the original square? ​

Answers

A square has its dimensions change buy a scale factor of three 208198

If y varies directly with x and y = 84 when x = 12, find y when x = 11.

Answers

Answer:

y= 77

Step-by-step explanation:

Write down the equation for direct proportion.

y= kx, where k is a constant.

Find the value of k.

When x= 12, y= 84,

84= k(12)

12k= 84

k= 84 ÷12

k= 7

Substitute the value of k into the equation.

y= 7x

When x=11,

y= 7(11)

y= 77

Amelia bought a t-shirt for $15 and 3 pairs of pants. She spent a total of $117. Which equation matches this problem?

Answers

Answer:

The answer of the equation is 15x+3x=117.

Step-by-step explanation:

Savannah bought barn wood for $60 for 5 pieces. She spent $40 on materials to paint
and design the decorations. She sells each piece of wood for $25. What is her
profit/loss?

Answers

her profit per each wood is $5 so her total profit is $25

because
60 divided by 5 is 12, so each wood is 12 dollars
she spent 40 dollars on materials so 40 divided by 5 is 8, so she spent $20 on each piece of wood to paint it because 12(price of wood)+8(cost of materials per wood)= 20
and shes sells them for 25
so 25-20=5
5x5=25
so the answer is $25 profited

What’s the answer of this problem, you

Answers

Answer:

A = 216 [tex]m^{2}[/tex]

Step-by-step explanation:

Trapezoid area = [tex]\frac{a+b}{2}h[/tex] = [tex]\frac{11 m+25 m}{2}*12 m[/tex] = 216 [tex]m^{2}[/tex]

6. Find the area of the kite.

A. 16 units
B. 18 units
C. 9 units
D. 8 units

Answers

Answer:

Area of a kite = A=1/2× d1 d2

=1/2 × 2×3 = 1×3=3

a =3

Answer:

9 Units

Step-by-step explanation:

Help thanks ☺️..... ........​

Answers

Answer and Step-by-step explanation:

The area of the tile is 9.

To find the area, we multiply the side by another side.

3 times 3 is equal to 9.

#teamtrees #PAW (Plant And Water)

easy algebra question

Answers

235 had a natural tan.

Answer: 235 people got a real one

Step-by-step explanation:

What are the coordinates of the two points on the line? Select all that apply.

Answers

Answer:

choice 1 and choice 3)  (1,8) and (7,1)

Step-by-step explanation:

Toby has created a map of his neighborhood. When he drew the map he noticed his house, his friend's house, and the playground formed a right triangle

Answers

2nd or 4th option, they appear to be the same

what is the answer for C = 12π

Answers

the answer is c= 12*3.14=37.68

Susana has four identical square gems. She wants to arrange them to form a larger quadrilateral with four right angles and two pairs of parallel sides. Susana’s assistant says that the quadrilateral must be a square, as shown. Do you agree? If so, explain your reasoning. If not, draw a quadrilateral to support your answer.

Answers

Answer: i agree u are right it makes sence

Step-by-step explanation:

Answer: I do not agree

Step-by-step explanation: The picture below meets all the requirements, four right angles, and two parallel  lines

the radius of a circle is 20 inches,what is the diameter​

Answers

Answer:

40 inches

Step-by-step explanation:

Diameter is radius X 2

314.16 hope it helps if not i am truly sorry

Moosa's sister is six years younger than 3 times his age. The sum of their ages is 30. How old is Moosa?

Answers

Suppose Moosa is ( x ) years old ,

Thus Moosa's sister is ( 3x - 6 ) years old .

The sum of their ages is 30 :

( x ) + ( 3x - 6 ) = 30 ==》 4x - 6 = 30

==》 4x = 36

==》 x = 9

So Moosa is 9 years old .

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