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solmaris [256]
2 years ago
13

Solve all of them please u get 30 points​

Mathematics
2 answers:
nika2105 [10]2 years ago
8 0

Step-by-step explanation:

from which text book please

Zepler [3.9K]2 years ago
8 0

Answer:

oh ssorry wrong question

Step-by-step explanation:

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Please answer asap thanks
Bad White [126]

Answer:

7y - 28

Step-by-step explanation:

if you multply 7 with inside parenthesis you will get 7y - 28.

4 0
3 years ago
Your office manager used 45 paperclips for handouts at his presentation from the 450 paperclips available in the stock room. Wha
vova2212 [387]
It would be 90%..... 45/450= 10%.... so there would be 90% not being used.
5 0
3 years ago
Ms.Omar runs the school tennis club. She has a bin of tennis balls and rackets. For every 5 tennis balls in the bin, there are 3
stepan [7]

Answer:

see the explanation

Step-by-step explanation:

Let

x ----> number of tennis balls

y ----> number of tennis rackets

we know that

To find out the ratio of tennis balls to tennis rackets, divide the number of tennis ball by the number of tennis rackets

In this problem we have

\frac{x}{y}=\frac{5}{3}

so

x=\frac{5}{3}y

That means

The number of tennis balls is three-fifths times the number of tennis rackets

see the attached figure to better understand the problem

8 0
3 years ago
WILL GIVE BRAINLIST PLS HELP ME
marysya [2.9K]

Answer:

12. 5(5x+4)(5x-4)

13. 2(4v+5)(4v-5)

14. 5(3x+2)(3x-2)

Step-by-step explanation:

7 0
3 years ago
I need help very much please
musickatia [10]

Answer:

1/4

Step-by-step explanation:

5/20 = 1/4

hope this helps

4 0
3 years ago
Read 2 more answers
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