1 year ago

Hi, I need some help with the last question of the first problem and the answer to the second page.

Mathematics

1 answer:

bulgar [2K]1 year ago

6 0

Answer:

46.9 for the first one

Step-by-step explanation:

So sorry if i'm wrong <3

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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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2 years ago

Americans consume about 13,150,000,000 gallons of carbonated drinks each year. Express this number in scientific notation.

ExtremeBDS [4]

It would be 1.315 × 10¹⁰.

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2 years ago

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attashe74 [19]

Answer:

Is it 1,512?

Step-by-step explanation:

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2 years ago

Can I have halp with all and an explanation because I am terrible at properties.

Salsk061 [2.6K]

1. 4 • (–3) • 5
so 4 x (-3) = -12 and then -12 x 5 = -60
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5. 35(26)(0) =
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2 years ago

Which graph shows a line with positive slope that passes through the point (r, s)?

Nadusha1986 [10]

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