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Nady [450]
3 years ago
15

Can somebody plz help answer the questions correctly (only if u know how to do this) lol thanks :)

Mathematics
2 answers:
nirvana33 [79]3 years ago
4 0
Just do the opposite of what the sign tells you to do. 24-26 are the same thing as 21-23 just in a different format.

Mumz [18]3 years ago
3 0

Answer:

21) y/4=3

multiply 4 to each side

y = 12

22) y/6=7

multiply 6 to each side

y = 42

For 23 - 26 its the same prosses as the first two

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natita [175]

Answer:

r=4cm

Step-by-step explanation:

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4 0
3 years ago
What is the value of the expression 18-2×(4+3)
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3 0
3 years ago
Read 2 more answers
Given I=prt,where I=4.5,p =500,and t=2.5,what is r as a percent?
KIM [24]
PLUG in the numbers 
4.5=500 x R x 2.5
divide both sides by 500
0.009=R x 2.5
divide 2.2 to both sides 
R=.0036
In percent you have to multiply by 100 which is 0.36%
8 0
3 years ago
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