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yan [13]
3 years ago
7

In your own words, explain the steps you would need to take to find a slope from data in a table.

Mathematics
2 answers:
igomit [66]3 years ago
6 0

Answer:

To Find the slope of a data table, you first need to plot two points on the line. It is easiest if the points are on a coordinate with whole numbers (i.e. (3,6 and (4,8)). Once you have plotted two pints, you then need to take the value of the point with the largest x value, and subtract the other points from it (i.e. (4,8)-(3,6)=(1,2). Then, take the new y value, and divide it by the new y-value (i.e. (2/1), and you have your slope.

Step-by-step explanation:

plot points (3,6), (4,8)

subtract points (4,8)-(3,6)=(1,2)

divide new points 2/1

m=2/1, or 2

OverLord2011 [107]3 years ago
4 0

Answer:

Pick two points on the line and determine their coordinates. Determine the difference in y-coordinates of these two points (rise). Determine the difference in x-coordinates for these two points (run). Divide the difference in y-coordinates by the difference in x-coordinates (rise/run or slope).

Step-by-step explanation:

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If two lines are parrallel do they have the same slope
victus00 [196]

Answer:

no i dont think so becuse they can still be angeled in all diffrent directions

Step-by-step explanation:

6 0
3 years ago
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85 points, please answer ASAP question below, my brain is hating me today, I feel like this is easy but I just can't get it
san4es73 [151]

Answer:

25

Step-by-step explanation:

420 - 45 = 375

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A researcher surveyed 220 residents of a city about the number of hours they
olga55 [171]

Answer:

Margin of error of 0.0485 hours.

Step-by-step explanation:

We have that to find our \alpha level, that is the subtraction of 1 by the confidence interval divided by 2. So:

\alpha = \frac{1 - 0.95}{2} = 0.025

Now, we have to find z in the Ztable as such z has a pvalue of 1 - \alpha.

That is z with a pvalue of 1 - 0.025 = 0.975, so Z = 1.96.

Now, find the margin of error M as such

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In which \sigma is the standard deviation of the population and n is the size of the sample.

In this question:

\sigma = 0.35, n = 220

The margin of error is of:

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M = 1.96\frac{0.35}{\sqrt{200}}

M = 0.0485

Margin of error of 0.0485 hours.

5 0
3 years ago
Write a real world problem with a percent that can be solved by using the proportion 3/b=60/100
iris [78.8K]
Kyle received 60/100 on his algebra test.  If he scored 3 points, how many points was the test out of? Answer is 5.
7 0
3 years ago
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Given: 3x < -6.
Natalka [10]
3x\ \textless \ -6 :

Divide both sides by 3 :

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

x\ \textless \ -2

Answer A

<span>{x | x < -2}
</span>
hope this helps!

7 0
3 years ago
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