2 years ago

Two numbers have a sum of -15 and a product of -100. What are the numbers?

Mathematics

1 answer:

Bumek [7]2 years ago

4 0

Answer:

the numbers are -20 and 5

Step-by-step explanation:

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How do i solve this??

avanturin [10]

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2 years ago

PLEASE HELP

irina [24]

Take the longer leg length as $x$

$(x-8)^2+x^2=(x+8)^2 \\ \\ x^2-16x+64+x^2=x^2+16x+64 \\ \\ x^2-32x=0$

Use the formular
$x={ \frac{-b+ \sqrt{ b^2-4ac}}{2a} } \\ \\ x={ \frac{32+32}{2} } \\ \\ x=32$

∴ shorter leg = 32 - 8 = 24ft
longer leg = 32ft
hypotenuse = 32 + 8 = 40ft

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3 years ago

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