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viva [34]
3 years ago
15

I need help for my friend!

Mathematics
2 answers:
Blababa [14]3 years ago
5 0

Answer:

20

Step-by-step explanation:

Represent the box with x, to make it easier.

3/4 of x is 15.

Whenever we see "of", we have to think multiplication!

3/4 * x = 15

Multiply both sides by 4/3 to cancel out the 3/4 on the left side and solve for x.

x = 15 * 4/3

15 * 4/3 = 60/3 = 20

x = 20

givi [52]3 years ago
4 0

Answer:

16

Step-by-step explanation:

Let the number be X

3/4 of X = 15

Multiplying out gives;

3X = 4x15

3X= 60

X = 20

Therefore, 4/5 of 20

Putting X = 20 we have;

4/5 x 20 = 16.

-------------------------------------------------

16-3/4= 15.25

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Mr. Sanchez’s class sold fruit pies for $1.73 each and Mr. Kelly’s class sold bottles of fruit juice for $1.44 each. Together, t
-Dominant- [34]

Answer:

p = 39       f = 44    

Step-by-step explanation:

p = $ 1.73

f = $ 1.44

<u><em>equation </em></u>

p + f = 83

1.73 p + 1.44 (83 - p) = $ 130.83

p = 39 (amount of times fruit pies were sold).

Therefore,

<em>p = 39</em>

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4 0
1 year ago
2. Find the center and radius of the circle with equation (x-6)2+ (y + 5)2 = 9.
Romashka-Z-Leto [24]

Answer:

Center (6 , -5)   and radius = 3

Step-by-step explanation:

The Standard equation of circle can  be written as

(x - a)² + (y - b)² = r²

with center (a , b)   and radius  = r

Now from given circle equation

(x - 6)² + (y +5)² = 9

so, from here center of circle (6 , -5) and radius = 3

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2 years ago
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