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irina1246 [14]
3 years ago
11

What is 20% of 800, if 10% of 800 is 80?

Mathematics
2 answers:
r-ruslan [8.4K]3 years ago
4 0

Answer:

160

Step-by-step explanation:

mark brainliest

have a great day

Nat2105 [25]3 years ago
4 0

Answer:

160

I hope it is helpful to you

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Circle A has center of (2, 8), and a radius of 2 and circle B has a center of (5, 4), and a radius of 10. What steps will help s
Viktor [21]

Answer:

1. Translate circle A using the rule (x − 3, y + 4).

4. Dilate circle A by a scale factor of 5

Step-by-step explanation:

we know that

All circles are similar figures

step 1

Translate the center of circle A to the center of circle B

we have

A(2,8) -----> B(5,4)

so

The rule of the translation is

(x,y) ----> (x+a,y+b)

(2,8) ----> (2+a,8+b)

2+a=5 ----> a=5-2=3

8+b=4 ---> b=4-8=-4

therefore

The rule of the translation is

(x,y) ----> (x+3,y-4)

step 2

Divide the radius of circle B to the radius of circle A to find out the scale factor

10/2=5

so

Multiply the radius of circle A by the scale factor to obtain the radius of circle B

therefore

Dilate circle A by a scale factor of 5

3 0
3 years ago
Х<br> 0<br> 1<br> 2<br> 3<br> y<br> 4<br> 6<br> 9<br> 13.5<br> What is the common ratio?
LekaFEV [45]

Answer:

i dont know

Step-by-step explanation:

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4 0
2 years ago
What is the answer for <br> (x – 3)2 = 5
vodka [1.7K]

Answer:

x = 11/2 = 5.5

Step-by-step explanation:

2x-6 = 5

2x = 11

x = 11/2 = 5.5

7 0
2 years ago
In ABC, c is a right angle, what is the measure of x
lozanna [386]

Answer:

45

Step-by-step explanation:

90+2x=180

2x=180-90

2x=90

x=90/2

x=45

3 0
3 years ago
What is 720° converted to radians?<br> 1/4<br> pi/4<br> 4/pi<br> 4(pi)
Natasha2012 [34]
The converted to radians is 4(pi)
7 0
3 years ago
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