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Lilit [14]
3 years ago
9

8x = -2 Solve NOW! I need the answer, like, right now!

Mathematics
2 answers:
shutvik [7]3 years ago
6 0

Answer: x=-.25

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

<u>Divide each side by '8'.</u>

<u></u>-2/8=-.25 or -1/4

<u></u>

sukhopar [10]3 years ago
3 0

Answer:

Step-by-step explanation:

x=-1/4

divide both sides by 8 to get x by itself

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Fast-food restaurants spend quite a bit of time studying the amount of time cars spend in their drive-throughs. Certainly, the f
melisa1 [442]

Answer:

For the 99th percentile, we have X = 206 seconds.

Step-by-step explanation:

Problems of normally distributed samples can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 138.5, \sigma = 29

99th percentile:

Value of X when Z has a pvalue of 0.99. So we use Z = 2.325

Z = \frac{X - \mu}{\sigma}

2.325 = \frac{X - 138.5}{29}

X - 138.5 = 29*2.325

X = 205.92 = 206

For the 99th percentile, we have X = 206 seconds.

4 0
2 years ago
Find the lcm for 5,8,4
mash [69]

Answer:

2⋅2⋅2⋅5=40 2 ⋅ 2 ⋅ 2 ⋅ 5 = 40

6 0
3 years ago
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5x + 9 = 10x - 9<br> How do I solve this?
dangina [55]
5x+9 = 10x-9
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6 0
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(10)+(-5)+(-5)+(-10)
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The answer to this question is -10
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Brainly pls help me on this question.
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Answer:

16ft

Step-by-step explanation:

The answer is 16ft because the area of a trapezoid is a + b/2  x h.

5 + 8/2 = 13/2 = 6.5

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