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igomit [66]
3 years ago
13

22=a(0-10)²+72 Please solve ‘a’ for me ! Asap

Mathematics
2 answers:
krok68 [10]3 years ago
8 0

Answer:

a = - \frac{1}{2}

Step-by-step explanation:

22 = a(0 - 10)² + 72

simplify:

22 = a(-10)² + 72

22 = a × 100 + 72

22 = 100a + 72

subtract 72 from both sides:

100a = -50

divide both sides by 100:

a = - \frac{1}{2}

avanturin [10]3 years ago
7 0

Answer:

a=-0.5

Step-by-step explanation:

22=a(0-10)²+72=a(-10)^2+72=a(100)+72

collect like terms

100 a=22-72=-50

dividing by 100

a=-50/100 =-1/2 = -0.5

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