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3 years ago

Round 8and 5/6 to the nearest whole number

1 answer:

3 0

This number will be either 8 or nine, because the eight is accompanied with a fraction. Since 5/6 is approximately 0.8, we can round this to a 1. Add the one to the eight and your number has been bumped up to a 9.

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H (t) = -t2 + t + 12 <br> Solve by using quadratic formula

Sedaia [141]

The quadratic formula is:

$x=\frac{-b+\sqrt{(b)^2-4(a)(c)}}{2a}$

and

$x=\frac{-b-\sqrt{(b)^2-4(a)(c)}}{2a}$

Let's identify our a, b, and c values:

a: -1

b: 1

c: 12

Plug in the values for a, b, and c into the equation. Let's do the first equation:

$x=\frac{-1+\sqrt{(1)^2-4(-1)(12)}}{2(-1)}$

Simplify everything in the radical:

$x=\frac{-1+\sqrt{49}}{-2}$

Simplify the radical:

$x=\frac{-1+7}{-2}$

Combine like terms:

$x=\frac{6}{-2}$

Simplify:

$x=-3$

This is one solution, now, let's solve for the other equation:

Since when simplified, everything is the same except the subtraction sign, we can skip the simplification again and change the sign to subtraction:

$x=\frac{-1-7}{-2}$

Combine like terms:

$x=\frac{-8}{-2}$

Simplify:

$x=4$

Your final answers are:

$x=-3$

$x=4$

8 0

3 years ago

Read 2 more answers

You started a dog walking business. You spent $45 in start up costs and charge $12 per hour of

Lostsunrise [7]

Answer:

Twelve times a number decreased by 45 is at most 117.

Step-by-step explanation:

7 0

3 years ago

BRAINLIEST <br> 4( x + 2 ) - 3x = 7

Free_Kalibri [48]

Answer: -1

Step-by-step explanation:

8 0

2 years ago

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Please help me, I really dont want to get an F :((( (The Graph Is In The Image)

AveGali [126]

Answer: correct answer is B

Step-by-step explanation: I know this because for example if you run one mile it will take you less time than it would if you walked 1 mile

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3 years ago

Just need my answers checked.

Mariulka [41]

I choose A 4x(x2 - 3x + 1)

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3 years ago