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Llana [10]
3 years ago
14

What is the slope of a horizontal line?

Mathematics
1 answer:
TEA [102]3 years ago
5 0

Answer:

0

Step-by-step explanation:

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Plz help due in 30mins
denis23 [38]
Answer: y = x + 10

Explanation: substitute x by the numbers in the first column and add that by 10 which would be equal to the numbers in the second column (y) for example 1+10= 11
4 0
3 years ago
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What would be your cost with each company if you traveled 100 miles? If you need to rent a truck for one day to move equipment.
yawa3891 [41]
It would be $39.95 for the Fast movers (bc they have unlimited mileage) and $38.70 for Speedy movers (including the extra miles added after 75) Please let me know if this helped, thanks.
4 0
3 years ago
A sample of n = 4 scores is obtained from a population with a mean of 70 and a standard deviation of 8. If the sample mean corre
jeka57 [31]

Answer:

The value of the sample mean is 78.

Step-by-step explanation:

We are given that a sample of n = 4 scores is obtained from a population with a mean of 70 and a standard deviation of 8.

Also, the sample mean corresponds to a z score of 2.00.

<em>Let </em>\bar X<em> = sample mean</em>

The z-score probability distribution for a sample mean is given by;

              Z = \frac{\bar X-\mu}{\frac{\sigma}{\sqrt{n} } }  ~ N(0,1)

where, \mu = population mean = 70

            \sigma = standard deviation = 8

            n = sample size = 4

The Z-score measures how many standard deviations the measure is away from the mean. After finding the Z-score, we look at the z-score table and find the p-value (area) 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.

<u>Now, we are given that the sample mean corresponds to a z score of 2.00 for which we have to find the value of sample mean;</u>

So, <em><u>z-score</u></em> formula is given by ;

                  z-score = \frac{\bar X-\mu}{\frac{\sigma}{\sqrt{n} } } = \frac{\bar X-70}{\frac{8}{\sqrt{4} } }

                      2.00 =  \frac{\bar X-70}{\frac{8}{\sqrt{4} } }

                      2.00 =  \frac{\bar X-70}{4 } }

                     \bar X = 70+(2 \times 4)

                     \bar X = 70 + 8 = 78

<em>Therefore, the value of the sample mean is 78.</em>

3 0
2 years ago
Fred completed 10 math problems. This is 40% of the number of math problems he has to do. How many math problems must he do?
Nitella [24]

Answer:

25 math problems

Step-by-step explanation:

He completed 10 out of x, or the total he has to do.

10/x

We know that this equals 40%

10/x=40/100

Cross multiply to solve

40*x=100*10

40x=1000

Divide both sides by 40

x=25

He must do 25 math problems

4 0
3 years ago
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Find the 7th term of the geometric sequence -2, 6, -18, 54, -162, ...
AlladinOne [14]

Answer:

-1458

Step-by-step explanation:

Let's find the rule of the sequence. It seems that each term is -3 times the previous term.

Let's continue the sequence.

486, -1458

-1458 is the 7th term

4 0
3 years ago
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