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Leviafan [203]
3 years ago
11

15 POINTSSS AND BRAINLIEST

Mathematics
1 answer:
Ludmilka [50]3 years ago
5 0
1.) 52:97.5
2.) 1:1.875

Hope this helps!
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(80 POINTS) What rule describes a dilation with a scale factor of ½ and the center of dilation at the origin?
lesya [120]

Answer:

C

Step-by-step explanation:

(x, y) -> (1/2x, 1/2y)

When you dilate a side, point, etc, you are multiplying the original dimension by the scale factor. That is represented in option C: the original x and y are multiplied by the scale factor, 1/2! Hope that helps! :)

6 0
3 years ago
Read 2 more answers
The interior angles formed by the sides of a pentagon have measures that sum to 540°. What is the measure of angle B?
patriot [66]

Answer:

m∠B = 110°

Step-by-step explanation:

We know that,

The sum of the measures of the angles in a pentagon is 540°.

So, we get,

130 + (x-5) + (x+30) + 75 + (x-35) = 540

i.e. 3x + (130+30+75) - (5+35) = 540

i.e. 3x + 235 - 40 = 540

i.e. 3x + 195 = 540

i.e. 3x = 540 - 195

i.e. 3x = 345

i.e. x= 115°

Now, as m∠B = (x-5)° = (115-5)° = 110°

Hence, the measure of angle B is 110°.

4 0
3 years ago
Read 2 more answers
Ramal filled 3 pages in a stamp album. This is one sixth of the pages in the album. How many pages are three in Ramal's stamp al
kumpel [21]
Let the total be x
1/6x=3
x/6=3
x=18
therefore Ramal's stamp has 18 pages

6 0
3 years ago
75dollars with a 10 percent sales tax
Afina-wow [57]
With a 10 percent tax, you have 90 percent left. 75*.9=$67.50
4 0
3 years ago
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The difference of two numbers is 3 and the sum of their squares is 65. find the numbers.
Vitek1552 [10]
<span>The numbers are 4 and 7
j^2+k^2=65

4^2+7^2=65
16+49=65
65=65
hope i helped</span>
5 0
3 years ago
Read 2 more answers
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