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satela [25.4K]
3 years ago
15

Bill scored 78, 63, 81, 86, and 74 on the first five math tests. Round each score to the nearest 10 to find an estimate of the t

otal points Bill scored. A. 320 B. 340 C. 360 D. 380\
Mathematics
2 answers:
telo118 [61]3 years ago
4 0

Answer:

D. 380

Step-by-step explanation:

Round all test results to the nearest ten.

78 -> 80

63 -> 60

81 -> 80

86 -> 90

74 -> 70

--

Add the numbers together.

80+60+80+90+70=380

The total points Bill scored is <u>380.</u>

shutvik [7]3 years ago
4 0

Answer:

The answer is D

Step-by-step explanation:

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Firlakuza [10]
G(-3) = (-3)²+3(-3)
Square the negative 3 and multiply the 3 and -3
g(-3) = 9-9
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nikitadnepr [17]

Answer:  B) as x → -5  from the left, y → -∞

                    as x → -5 from the right, y → +∞

<u>Step-by-step explanation:</u>

g(x) =\dfrac{x^2+15x+56}{x+5}\quad =\dfrac{(x+7)(x+8)}{x+5}\\\\\\\text{Evaluate from the left. Let x = -6}\rightarrow \dfrac{(-)(-)}{(-)}=-\\\\\\\text{Evaluate from the right. Let x = -4}\rightarrow \dfrac{(-)(-)}{(+)}=+

Refer to the graph which confirms that

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GalinKa [24]

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What is the solution to the linear equation? x – StartFraction 2 Over 3 EndFraction x minus StartFraction one-half EndFraction e
Anton [14]

<em>Your question is not well presented</em>

Question:

What is the solution to the linear equation?

x - \frac{2}{3}x - \frac{1}{2} = \frac{1}{3} + \frac{5}{6}x

Answer:

x = \frac{-5}{3}

Step-by-step explanation:

Given

x - \frac{2}{3}x - \frac{1}{2} = \frac{1}{3} + \frac{5}{6}x

Required

Simplify

x - \frac{2}{3}x - \frac{1}{2} = \frac{1}{3} + \frac{5}{6}x

Add \frac{1}{2} to both sides

x - \frac{2}{3}x - \frac{1}{2} + \frac{1}{2} = \frac{1}{3} + \frac{5}{6}x + \frac{1}{2}

x - \frac{2}{3}x = \frac{1}{3} + \frac{5}{6}x + \frac{1}{2}

Subtract \frac{5}{6}x from both sides

x - \frac{2}{3}x - \frac{5}{6}x= \frac{1}{3} + \frac{5}{6}x + \frac{1}{2} - \frac{5}{6}x

x - \frac{2}{3}x - \frac{5}{6}x= \frac{1}{3} + \frac{1}{2} + \frac{5}{6}x- \frac{5}{6}x

x - \frac{2}{3}x - \frac{5}{6}x= \frac{1}{3} + \frac{1}{2}

Take LCMs

\frac{6x - 4x -5x}{6}= \frac{2+3}{6}

\frac{-3x}{6}= \frac{5}{6}

Multiply both sides by 6

6 * \frac{-3x}{6}= \frac{5}{6} * 6

-3x= 5

Divide both sides by -3

\frac{-3x}{-3}= \frac{5}{-3}

x = \frac{5}{-3}

x = \frac{-5}{3}

5 0
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labwork [276]

Answer:

he bought 17 book.

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