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Shalnov [3]
3 years ago
13

Write the sentence as a proportion: $3.50 for 9 bottles is equivalent to $31.50 for 81 bottles.

Mathematics
1 answer:
melamori03 [73]3 years ago
8 0

Answer:

$0.39:1

Step-by-step explanation:

$0.39:1

Dividing the amount by the cost of the bottles.

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It is given 5 and h + 1 are the roots of the quadratic equation x² + (k - 1)x - 5 = 0,where h and k are constant.Find the value
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Answer:

Hello,

<u>k=-3 and h=-2</u>

Step-by-step explanation:

5\ is\ a \ root \of \ x^2+(k-1)*x-5=0\\\\5^2+(k-1)*5-5=0\\\\5*(k-1)+20=0\\\\k-1=\dfrac{-20}{5} \\\\k=-4+1\\\\\boxed{k=-3}\\

h+1 is thus a root of x²+(-3-1)*x-5=0

x²-4x-5=0

x²+x-5x-5=0

x(x+1)-5(x+1)=0

(x+1)(x-5)=0

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3 years ago
write a system of linear equations in which (3,-5) is a solution of equation 1 but not a solution of equation 2 and (-1,7) is a
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Answer:

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(2, 4)=this is the correct answer

(4, 2)

Step-by-step explanation:

thats the answer

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Step-by-step explanation:

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