Mathematics High School

What is the image of (-8,- 7) after a dilation by a scale factor of 2 centered
at the origin?

Answers

Answer 1

Answer:   (-16, -14)

==========================================================

Explanation:

To get that result, you multiply each coordinate by the scale factor 2

We have

-8*2 = -16-7*2 = -14

So that's why (-8,-7) moves to (-16, -14)

This trick only works if the origin is the center of dilation.

Answer 2

Step-by-step explanation:

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Related Questions

explain how you do it

Answers

Answer:

66MPH

Step-by-step explanation:

First you would add up all three amounts of miles, so 177+188+163 to get 528. Then you would divide 528 by 8 to get the average MPH, which would be 66MPH.

HELP I NEED HELP ASAP

Luke kicked a soccer ball into the air. The height, f(x), of the ball, in meters, after x seconds was modeled with the function f(x)=-4.5x^2+27x. How many seconds did it take for the soccer ball to hit the ground?

A. 40.5 seconds
B. 3 seconds
C. 6 seconds
D. 2.5 seconds

Answers

Answer:

i think this is the answer

A. 40.5 secods

help me please. Translate the description below as an algebraic expression:

half the quotient of p and 11 ​

Answers

Answer:

try this

Step-by-step explanation:

1/2 (p/11)

slash is the dividing sign

Answer:

( p ÷ 11) ÷ 2

Or

1/2 (p ÷ 11)

Step-by-step explanation:

Half the quotient of p and 11

"the quotient of p and 11" signifies that you have to divide p by 11. And "half the.." signifies that you have to divide the quotient of p/11 in half

Four cards labeled A, B, C, and D are randomly placed in four boxes labeled A, B, C, and D. Each box receives exactly one card.

In how many ways can the cards be placed in the boxes?​

Answers

Answer: 16 different ways

Step-by-step explanation:

PLEASE ANSWER FAST HAVE TO FINISH TEST BY THE END OF THE DAY:

If Micah took out a $5000 loan on a 6-year payment plan and was charged 5% simple interest per year, what is the total amount he would have to pay back (I = Prt)​

Answers

Step-by-step explanation:

0.05*6=0.3*5000=1500

-2/7 ÷ (-8/21) step by step answer

please this homework is due today its benchmark practice and i have to sleep like in 10 or 7 min like no joke​

Answers

Answer:

1.3

Step-by-step explanation:

first, divide the parentheses:-8/21= -0.380952

second, dived -2/7= -0.285714

now divide both of them   -0.380952 ÷ -0.285714 = 1.3

Which system of linear equations has a solution of (2, 3)?

Answers

Answer:

i don't know

Step-by-step explanation:


What is the range of the function y=-2/3x-10
given a domain of{-9,-3,0,3,9}

Answers

98

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A school chorus has 80 sixth-grade students and 66 seventh-grade students. The music director wants to make groups of performers with the same combination of sixth- and seventh- grade students in each group. She wants to form as many group as possible. If that many groups are formed, how many students of each grade level would be in each group?

Answers

Answer:

The music director can make 15 groups of performers with 6 sixth grade students and 5 seventh grade students in each group.

Step-by-step explanation:

A school chorus has 90 sixth-grade students and 75 seventh-grade students.

Factor these two numbers:

Find GCF(90,75):

Now,

Therefore, the music director can make 15 groups of performers with 6 sixth grade students and 5 seventh grade students in each group.

hope i helped!

Find X and missing angle

Answers

Answer:

15

Step-by-step explanation:

all triangles are 180 so 180-75-90 =15

Answer:

x = 2.22

missing angle = 15°

Step-by-step explanation:

tan 75° = 12/x

tan 75° = 3.7321

x = 12/3.7321 = 2.22

missing angle = 90° - 75° = 15°

Find the circumference of the circle to the nearest tenth. Use 3.14 for p. The length from the center of the circle is 17in

Answers

Answer:

circumference = 106.76

Step-by-step explanation:

radius = 17 inches

π = 3.14

circumference = 2×π×radius

= 2×3.14×17

= 6.28 × 17

= 106.76

Ulet rolls 2 fair dice and adds the results from each. Work out the probability of getting a total of 7.

Answers

Answer:

7/ 36

Step-by-step explanation:

Roll of 2 fair six sided die :

Sample space = 6² = 36

Sum of 7:

(1,6) ; (6,1) ; (3,4) ; (4,3) ; (2,5) ; (5,2) = 6

Probability = required outcome / Total possible outcomes

Required outcome = 7

Total possible outcomes = 36

P(obtaining a sum of 7) = 7 / 36

The graph shows the amount the of food Ian's rabbits eat each week which equation can be used to find the number


A. y = 15x
B. y = 60x
C. y = 60x+10
D. y = 120x

Answers

The answer is B

Why? Because I just took it on the test and got I got it right

Andy wants to rent a limo to go to prom, but wants to split the cost with some friends. The limo costs $400 to rent

Answers

Answer:

its would prob be 100 / 4

Step-by-step explanation:

Bella grew 3/4 An inch last year then grew 7/10 of an inch how much inches did Bella grow more than Ben

Answers

1.45 inches


7/10 + 3/4 = 1.45 inches
Bella grew 1.45 inches.

Mr. Foote's deck is 12 ft. 6 in wide. Its length is twice the width plus 3 more inches. How long is the deck?

Answers

Answer:

25 ft 3 in

Step-by-step explanation:

Mr foote deck is 12 ft 6 in wide

It's length is twice its width with additional 3 inches

Therefore the length can be calculated as follows

12 ft 6 in + 12ft 6 in + 3 in

= (12+12)ft (6+6)in + 3 in

= 24+1 3in

= 25 ft 3 in

Hence the length of the deck is 25 ft 3 in

The range of the following relation R {(3,-2), (1,2), (-1,-4),(-1,2)}


a. {-1,1,3}
b.{-1,-1,1,3}
c. {-4,-2,2,2}
d. {,-4,-2,2}​

Answers

The answer is to this question is b

Nolan gives some pans of brownies to his 3 friends equally If he has 1/3 pans of brownies, how many pans of brownies will each friend receive?

Answers

Answer: 1  only have 1/3 of pans whutch mean each will get 1

Answer:

[tex]\frac{1}{9}[/tex] of the pan

Step-by-step explanation:

First, we need to divide 1/3 by 3. That way we can find how much is given to each person.

[tex]\frac{1}{3}[/tex] divided by 3

= [tex]\frac{1}{3}[/tex] * [tex]\frac{1}{3}[/tex]

= [tex]\frac{1}{9}[/tex]

Each friend will get  [tex]\frac{1}{9}[/tex] of the pan.

HURRY PLEASEEEEE I RLLY NEED THISSS

Answers

the answer is option 2

Answer:

Option 2

Step-by-step explanation:

Given function:

x=8 and y=6x=5 and y=20

Option 1: ×

Table one: y=8-6

if y is 6 then 8-6 can’t be 6 it is 2.

Option 2: √

Table one:

y=8-2

y would be 6 then this would be correct..

Table two:

y=4x

if y=20 then x would be 5 and if y is 16 then x=4.

Option 3:×

y=4x

this is wrong since table 2 is y=4x..

Option 4:×

Table one

y=x-4

if y is 6 and x is 8 then this is wrong..

Therefore, option 2 is correct..

PLEASE HELP PRE ALGEBRA EASY 10 POINTS

Answers

What I’m support to fine it in the graph or find the slop, solve for x or y???? Put the whole question so I can help you

Not sure how to do this, the lesson didn't explain this well.

Answers

since x can cancel out u are left with 3y=-3 which means y prolly equals 1

plug it in

2x+(1)=5 & 2(1)=2x-8

then u will find x which is 2

x=2, y=1

(2,1)

What is the completely factored form of xy3 – x3y?

Answers

Answer: x y (y - x) (x + y)

-x y (x - y) (x + y)

x (y^3 - x^2 y)

Real roots:

x = 0

y = 0

Roots:

y = -x

y = x

hope this helps

Step-by-step explanation:

Answer

A

Step-by-step explanation:

20 POINTS! WILL MARK BRAINLIEST!

If the equation for the diagram below is 25=13+2r, what should go in the blank circle?

Answers

Step-by-step explanation:

[tex]25 = 13 + 2r \\ 25 - 13 = 2r \\ 12 = 2r \\ \frac{12}{2} = r \\6 = r[/tex]

change 6 out of 100 to a percentage​

Answers

Answer:

6%

Step-by-step explanation:

[tex]\frac{6}{100}[/tex]

For fractions with 100 as the denominator, it will always have the numerator as its percent value. This is because percentages are essentially comparing a number to 100, which is what [tex]\frac{6}{100}[/tex] is doing. Therefore, [tex]\frac{6}{100}[/tex] as a percentage would be 6%.

I hope this helps!

A science fair 180 entries.There are 72 entires from 6th grade what percent of the entires are in the sixth grade students?

Answers

Step-by-step explanation:

As,we know percentage formula is (no.of students/total no.of students ×100)

= 72/180*100

= 40%

the 6th grade students are 40%

Solve the two step equation
x - 3 =2
( please give detail )

Answers

Answer:

x=5

Step-by-step explanation:

x-3=2

x-3=2

 +3  +3

x=5

if m< 3=3x+20 and m <6=x+50 , what is x?

Answers

Since you said they are supplementary, 3x+20+x+50=180

Since the definition of supplementary angles are they adds up to 180 degrees.

Now we just need to solve the equation

4x+70=180

4x=110

x=27.5

-½ (6x + 4) + ½(8x - 2)

Answers

Answer:

-3x - 2 + 4x - 1 = x - 3

Step-by-step explanation:

open brackets and simplify

Answer:

x−3

Step-by-step explanation:

Hope this helps.

Simplify 7(2x + 3) please?

Answers

7(2x+3)
=14x+21 hope it helps

Answer:

14x + 6

Step-by-step explanation:

use the distributive property

Hope this helped! Have a nice day! Plz mark as brainliest!!! :D

-XxDeathshotxX

4x + 4y +/2 =24
2x-44 +2=0
45x -44-52=12

Answers

Answer:

(no solutions exist)

Step-by-step explanation:

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