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(t)1(e)+(s)49(T)=(03)50

FunMath  Dec 11, 2017
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Solve                                           A  =  (1/2)(b1 + b2)h

Multiply both sides by 2:            2A  =  (b1 + b2)h

Divide both sides by b1 + b2:     2A/(b1 + b2)  =  h

 

Write                                      y = (-2/3)x - 7 in standard form

Multiply both sides by 3:      3y  =  -2x - 21

Add 2x to both sides:           2x + 3y  =  -21

 

Write in slope-intercept form:      5x + 2y  =  -6

Subtract 5x from both sides:               2y  =  -5x - 6

Divide both sides by 2:                          y  =  (-5/2)x - 3

geno3141  Dec 11, 2017

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