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Dima020 [189]
2 years ago
14

-9/4 v + 4/5 = 7/8 v=? step by step need help asap please

Mathematics
1 answer:
Vesna [10]2 years ago
4 0
-9/4v + 4/5 = 7/8; First, you subtract 4/5 from each side to have variable v on a side and numbers on the other: -9/4v = 7/8 - 4/5; -9/4v = 35/40 - 32/40; -9/4v = 3/40; Then you divide each side to get the variable v alone on a side, and one number on the other: V= (3/40) / (-9/4); Dividing to fractions is equal to multiplying the first one by the inverse of the second: V= (3/40) * (-4/9); V= -12/360; V= -1/30; You can re-check your answer (very important): (-9/4)*(-1/30)+4/5=7/8; The answer has been approved. Hope this helps! :)
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Cost of the student ticket to the school play is $7. Write an equation that correctly relates the total cost, c,
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Complete question :

The cost of a student ticket to the school play is $7. Write an equation that correctly relates the total cost, c, for a particular number, s, of student tickets purchased. Identify the independent and dependent variable.

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Step-by-step explanation:

The total cost equation is :

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2 years ago
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