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nignag [31]
2 years ago
5

Week 6 Please answer with clear instructions so that i can apply this to other questions

Mathematics
1 answer:
Crazy boy [7]2 years ago
3 0

Answer:

4

Step-by-step explanation:

Gradient is the same as slope to get your answer follow this formula y2 - y1 divided x2 -x1 in this problem it will look like this

4 - (-4) /1  - (-1) =

8 / 2 =

= 4

I hope this helps!!

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The manager went over the sales of mobile phones at the store and found that the mean sale was 45, with a standard deviation of
d1i1m1o1n [39]

The z-score of the sale of mobile phones on that day is 1.75

Step-by-step explanation:

The formula of z-score is z = (x - μ)/σ, where:

  • x is the score
  • μ is the mean
  • σ is the standard deviation

∵ The mean sale was 45

∴ μ = 45

∵ The standard deviation was 4

∴ σ = 4

∵ 52 mobile phones were sold on a particular day

∴ x = 52

To find z-score of the sale of mobile phones on that day substitute the values of x, μ, and σ in the formula of z-score

∵ z=\frac{52-45}{4}

∴ z=\frac{7}{4}

∴ z = 1.75

The z-score of the sale of mobile phones on that day is 1.75

Learn more:

You can learn more about z-score in brainly.com/question/7207785

#LearnwithBrainly

3 0
3 years ago
Which is the best estimate for the percent equivalent of 7/15
zzz [600]
An estimate for the percent equivalent of 7/15 is 46% i think
7 0
3 years ago
Read 2 more answers
Is n÷12=36,n=108 true or false​
maksim [4K]

Answer:

False

Step-by-step explanation:

n÷12=36

n=36*12

hence n=432

hope it helps you and give me a brainliest

4 0
2 years ago
Read 2 more answers
2. Two puppies together weigh 22 kilograms 300 grams. If one
monitta

Answer:

B = 12800 grams or 12kg 800 grams.

Step-by-step explanation:

Let the two puppies be A and B respectively.

Translating the word problem into an algebraic expression, we have;

A + B = 22kg 300g

A = 9kg 500g

Conversion;

1 Kilograms = 1000 grams.

9kg 500g = 9*1000 + 500 = 9500 grams

22kg 300g = 22*1000 + 300 = 22300 g

Substituting into the above formula, we have;

9500 + B = 22300

B = 22300 - 9500

B = 12800 grams or 12kg 800 grams

6 0
2 years ago
Enter the coefficient in the expression - 2x +9.
matrenka [14]

Answer:

2x

Step-by-step explanation:

5 0
3 years ago
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