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ZanzabumX [31]
3 years ago
13

Explain why the slope of a horizontal line is always zero

Mathematics
2 answers:
aksik [14]3 years ago
7 0

Answer:

Pretty sure its because the lines don't add up

Step-by-step explanation:


Monica [59]3 years ago
5 0

The slope of a line is always zero because the line does not move up or down on the y-axis.

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How many milliliters are in 30 liters? <br><br> 300<br> 3,000<br> 30,000<br> 300,000
Alborosie

Answer:

30000 Milliliters

Step-by-step explanation:

multiply the volume value by 1000

30 x 1000 = 30000

Brainliest if this was helpful. Thanks!

3 0
3 years ago
An English professor assigns letter grades on a test according to the following scheme. A: Top 14% of scores B: Scores below the
NeX [460]

Answer:

Grades between 62 and 64 result in a D grade.

Step-by-step explanation:

Problems of normally distributed samples are 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 = 71.9, \sigma = 7.8

Find the numerical limits for a D grade.

D: Scores below the top 84% and above the bottom 10%

So below the 100-84 = 16th percentile and above the 10th percentile.

16th percentile:

This is the value of X when Z has a pvalue of 0.16. So X when Z = -0.995.

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

-0.995 = \frac{X - 71.9}{7.8}

X - 71.9 = -0.995*7.8

X = 64

10th percentile:

This is the value of X when Z has a pvalue of 0.1. So X when Z = -1.28.

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

-1.28 = \frac{X - 71.9}{7.8}

X - 71.9 = -1.28*7.8

X = 62

Grades between 62 and 64 result in a D grade.

6 0
3 years ago
Find the solutions to the equation below x^2-25=0
Arlecino [84]

Answer:

x=5,x=-5

Step-by-step explanation:

The screenshot below will explain the answer

3 0
3 years ago
Read 2 more answers
The sum of jack and his father age is 52.
Sedbober [7]

Answer:Jack is 9 and the father is 43

7 0
3 years ago
Evaluate. 2−2⋅(12⋅3)−53
klemol [59]
<span><span>
2−<span><span>2<span>(12)</span></span><span>(3)</span></span></span>−53</span><span> 
  =<span><span>2−<span><span>(2)</span><span>(36)</span></span></span>−53</span></span><span>
  =<span><span>2−72</span>−53</span></span><span>
  =<span><span>−70</span>−53</span></span><span>

   Answer :  <span>−<span>123</span></span></span>
3 0
3 years ago
Read 2 more answers
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