contestada

Can someone please help me! I'll give brainliest to who ever answers first with a positive answer


1. Solve for p

3(p+q) =p


2.Solve for b then find the value of b when a=3 .

4a=2b-7

3. Solve for r

d=rt

4. Find the width of a rectangle with a perimeter of 90 and a length of 15.


Please help I'm like super desperate


Respuesta :

s1m1

1. 3(p+q)=p

3p+3q=p; 3p-p=3q; 2p=q so p=q/2


2. 4a=2b-7

2b=4a+7 so b=(4a+7)/2

when a=3 , b=(12+7)/2=19/2=9.5


3. d=rt; r=d/t

4.( 2x15)+(2xwidth)=90

2x width=90-30

width =60/2=30


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