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3 years ago

8

This table shows the change in temperature x hours after sunset.

1 answer:

Drupady [299]3 years ago

3 0

Refer to the attachment

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Solve the equation y=2x^2-x-6 using the quadratic formula show the steps to solving

saul85 [17]

Answer:

$x1 = 2 \\ x2 = - \frac{3}{2}$

Step-by-step explanation:

$x = \frac{ - b + - \sqrt{ {b}^{2} - 4ac } }{2a} \\ x = \frac{1 + - \sqrt{ {( - 1)}^{2} - 4(2)( - 6) } }{2(2)} \\ x = \frac{1 + - \sqrt{1 + 48} }{4} \\ x = \frac{1 + - \sqrt{49} }{4} \\ x = \frac{1 + - 7}{4} \\ \\ x1 = \frac{1 + 7}{4} = \frac{8}{4} = 2 \\ x2 = \frac{1 - 7}{4} = - \frac{6 }{4} = - \frac{3}{2}$

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4 years ago

Factor completely: x^2 + 11x + 24

pychu [463]

Two numbers if you multiple them give you 24
and if you add them gives 11
so the numbers are 3, 8
(x+3)(x+8)

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3 years ago

Teddy is selling cookie dough and popcorn for a fundraiser. Cookie dough is $10 and popcorn is $6. Teddy sold 87 items for a tot

raketka [301]

Teddy sold 64 containers of cookie dough

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3 years ago

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Heather earns 41 dollars per week working part-time at a book store. She makes one dollar more for each book that she

fiasKO [112]

A=41+18 which is A=59

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4 years ago

Which is the graph of the function f(x)=1/2x2+2x-6

AveGali [126]

Answer

Step-by-step explanation:

It looks like this I believe.

Also you didn't show any picture

3 0

3 years ago