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steposvetlana [31]
3 years ago
15

Find the mean of the number set. 93, 81, 94,78, 89, 92, 94,99

Mathematics
1 answer:
777dan777 [17]3 years ago
8 0

Answer: 90

Step-by-step explanation: The mean of a data set is equal to the

sum of the set of numbers divided by how many numbers are in the set.

So to find the mean of the data set

shown here, begin by adding the numbers.

Adding the numbers, we get 720.

This will be divided by the number of numbers in the set, or 8.

So we have 720/8 or 90.

So the mean of the data set shown here is 90.

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Isolate for x, y = mx + b
zavuch27 [327]

Answer:

x = (y - b)/m

Step-by-step explanation:

Isolate the variable, x. Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS.

First subtract b from both sides:

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Next, divide m from both sides:

(y - b)/m = (mx)/m

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~

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Alina [70]

Answer:

15+2a

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3 years ago
The check-cashing store also makes one-month add-on interest loans at 7.8 percent discount interest per week. Thus if you borrow
masya89 [10]

Answer:

APR = 416%

EAR = 5370.60%

Step-by-step explanation:

Given:

Interest rate = 7.8% per week

Now,

In an year there are total 52 weeks

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The APR (Annual percentage rate) = Interest rate × Total weeks in an year

or

APR = 8% × 52

or

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and, EAR ( Effective Annual Rate ) = ( 1 + r )ⁿ - 1

Here,

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EAR ( Effective Annual Rate ) = ( 1 + 8% )⁵² - 1

= ( 1 + 0.08 )⁵² - 1

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5 0
3 years ago
Sin x= 1.5<br> value of x
alina1380 [7]

Answer:

x = π - sin^(-1)(3/2) + 2 π n_1 for n_1 element Z

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Solve for x:

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Answer:  x = π - sin^(-1)(3/2) + 2 π n_1 for n_1 element Z

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