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Anastasy [175]
4 years ago
8

Algebra home work plz help me!!!!!

Mathematics
1 answer:
kati45 [8]4 years ago
3 0
<span>1.) -(3d-2x)
= 2x - 3d

</span><span>2.)-3ab/5b
</span><span>= -3a/5

</span><span>3.)〖(3/8)〗^3
</span>= 3^3 / 8^3
= 27/512

<span>4.) 2[5^2÷(3^2-2^2)+7]
= </span><span> 2[25÷(9-4)+7]
= </span> 2[25÷(5)+7]
= 2[5+7]
= 2(12)
= 24

<span>5.) What is the value of x/y when x=9/4 and y=3/5?

9/4  /   3/5
= 9/4 x 5/3
= 15/4
= 3 3/4 or = 3.75

6)
</span><span>algebraic expression : 
p = # of pounds

</span><span>0.85p + 12

if p = 7 lbs the
0.85 (7) + 12
= 5.95 + 12
= 17.95

answer
total cost = $17.95</span>
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