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olga nikolaevna [1]
3 years ago
12

What is the scale factor of the dilation?

Mathematics
1 answer:
inna [77]3 years ago
5 0

Answer:

3

Step-by-step explanation:

the distance from the point of dilation to point C is 3

the distance from the point of dilation to point A is 9

9/3 = 3

hope this helps, pls mark brainliest :D

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Write a two column proof.<br><br> Given: 4y = 2x - 10; y = 6<br><br> Prove: x = 17
Ivenika [448]

4y=2x-10

Plug in y

4(6)=2x-10

Simplify

24=2x-10

+10 to both sides

24+10=2x-10+10

Simplify

34=2x

÷2 both sides

17=x

x=17

5 0
3 years ago
For what value of a does (1/7)^3a+3=343^a-1?
CaHeK987 [17]

Answer: ok, remember that when

x^a=x^b, when x=x, then a=b

also

x^-m=1/(x^m)

and

(x^m)^n=x^(mn)

so

we can rewrite 1/7 as 7^-1

so

and 343=7^3

7=7 so

-3a-3=3a-3

add 3a to both sides

-3=6a-3

add 3 to both sides

0=6a

0=a

a=0

Answer: 0

By: apologiabiology

5 0
4 years ago
What is the value of x in the solution to the following system of linear equations {y = x - 1 { y = 2x +1
Murrr4er [49]

Answer:

-2

Step-by-step explanation:

Equate the expressions for y. This gives ...

... x - 1 = 2x + 1

Add -1-x to get ...

... -2 = x . . . . your value of x

4 0
4 years ago
Find the midpoint of the segment with the following endpoints.
sergij07 [2.7K]

Answer:

( 5.5 , 4 )

Step-by-step explanation:

Use mid point formula shown in image

first x= (X+X)/2

x=(4+7)/2

x=11/2

x=5.5

y=(Y+Y)/2

y=(2+6)/2

y=8/2

y=4

(5.5,4)

4 0
3 years ago
Help solve this and reward is brainlist.
kherson [118]

Answer:

[A] 20%

[B] 400%

Step-by-step explanation:

Part A:

<u>To Find: Percentage</u>

= Price in 1985/price in 2003

Thus,

$62000×100%=6200000÷310000=20%

Part B:

<u>To FInd: Percentage increase</u>

= (Price in 2003-price in 1985)/price in 1985

Thus,

$248000×100=$24800000÷62000=400%

[RevyBreeze]

7 0
2 years ago
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