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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?
a. b = 2A over 9 + 35
b. b = 2 multiplied by A over 9  35
c. b = 2 multiplied by A plus 35, all over 9
d. 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? a. b = 2A over 9 + 35 b. b = 2 multiplied by A over 9  35 c. b = 2 multiplied by A plus 35, all over 9 d. b = 2 multiplied by A minus 35, all over 9

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0So \[\large \bf A~=~\frac{9}{2} (b+35)\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I know it's either B or D

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0First step is to get "b+35" by itself. You can do so by multiplying the inverse of the fraction 9/2 on both sides.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Correct. So \[\large \bf \frac{2A}{9}~=~b+35\] To get the b alone we subtract the 35 over

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0but does it go on top with the 2a or next to the fraction

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0It will be next to the fraction.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Thank you sooo much!

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0\[\huge \color{aqua}N\color{fuchsia}o \space \color{lime}P \color{orange}r \color{blue}o \color{maroon}b \color{red}l \color{olive}e \color{purple}m \ddot\smile \]
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