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anonymous
 one year ago
The equation below shows the area of a trapezoid, A, with a height of 9 cm, and one base 35 cm. :
A = 9 over 2(b + 35)
Which of the following formulas correctly solves for the other base, b?
b = 2A over 9 + 35
b = 2 multiplied by A over 9  35
b = 2 multiplied by A plus 35, all over 9
b = 2 multiplied by A minus 35, all over 9
anonymous
 one year ago
The equation below shows the area of a trapezoid, A, with a height of 9 cm, and one base 35 cm. : A = 9 over 2(b + 35) Which of the following formulas correctly solves for the other base, b? b = 2A over 9 + 35 b = 2 multiplied by A over 9  35 b = 2 multiplied by A plus 35, all over 9 b = 2 multiplied by A minus 35, all over 9

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zzr0ck3r
 one year ago
Best ResponseYou've already chosen the best response.1\(A=\dfrac{9}{2(b+35)}\) ?

zzr0ck3r
 one year ago
Best ResponseYou've already chosen the best response.1\[A=\dfrac{9}{2}(b+35)\]?

zzr0ck3r
 one year ago
Best ResponseYou've already chosen the best response.1multipply both sides by \(\dfrac{2}{9}\) and what do you have?

zzr0ck3r
 one year ago
Best ResponseYou've already chosen the best response.1\((\dfrac{2}{9})A=(\dfrac{\cancel{2}}{\cancel{9}})\dfrac{\cancel{9}}{\cancel{2}}(b+35)\\\dfrac{2}{9}A=b+35\)

zzr0ck3r
 one year ago
Best ResponseYou've already chosen the best response.1subtract 35 from both sides

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.1so leaving off with what zzrocker said we are solving for b and the last step he did was \[(\dfrac{2}{9})A=(\dfrac{\cancel{2}}{\cancel{9}})\dfrac{\cancel{9}}{\cancel{2}}(b+35)\\\dfrac{2}{9}A=b+35 \]

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.1there's not that much left to do with this problem... if we want b by itself, what do we have to do?

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.1\[\frac{2}{9}A  35 = b\] that's it :)

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.1you're looking for this selection right? b = 2 multiplied by A over 9  35

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.1can I get a medal? :)
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