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Simora [160]
4 years ago
5

A line has a slope of -4 and a y-intercept of 1. What is the equation of the line in slope-intercept form?

Mathematics
1 answer:
Anastaziya [24]4 years ago
4 0
The answer is B because the equation is y=mx+b, where m is the slope and b is the y intercept. In this case m or the slope is -4 and the b or the y intercept is 1 so then just substitute them in and there is your answer
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Find the mean and standard deviation for the set of data.
dem82 [27]

The mean and standard deviation for the set of data will be 16 and 5.87. Then the correct option is A.

<h3>What is a standard deviation?</h3>

It is the measure of the dispersion of statistical data. Dispersion is the extent to which the value is in a variation.

The set of data is given below.

16, 22, 8, 5, 20, 18, 14, 17, 24

The mean of the data set will be

μ = (16 + 22 + 8 + 5 + 20 + 18 + 14 + 17 + 24) / 9

μ = 144 / 9

μ = 16

Then the standard deviation of the data set will be

\rm \sigma = \sqrt{\dfrac{\Sigma (x_i - \mu)^2}{n}} \\\sigma = \sqrt{\dfrac{(16 - 16)^2 +(22 - 16)^2 + (8-16)^2 + ......+(24-16)^2  }{9}} \\\sigma = \sqrt{\dfrac{310}{9}}\\

Simplify the expression further, then we have

σ = √34.44

σ = 5.87

The mean and standard deviation for the set of data will be 16 and 5.87.

Then the correct option is A.

More about the standard deviation link is given below.

brainly.com/question/12402189

#SPJ1

3 0
1 year ago
$7000 at 2% for 4 years.
jek_recluse [69]

Answer:

7577.02

Step-by-step explanation:

This would be the formula for that.

ia(1+.per)^{x}=y

ia is the Initial Amount, which is 7000

.per is the recent, in this case is .2

and finally x, which is the amount of years. this is 4

If you put this into a scientific calculator:   7000(1+.02)^{4} = y    you will get

7577.02

7 0
4 years ago
What are the multiples of 53
jonny [76]

Answer:

53,106,159,212,265,318,371,424,etc.

Step-by-step explanation:

5 0
4 years ago
Read 2 more answers
A puppy is on sale at a pet store for ​$432​, marked down 10​% from an original selling price of ​$480. If the markup from cost
Ahat [919]
432 x 0.1 = 43.2
432-43.2= 388.8
Mark up
388.8 + 72 = 460.8
4 0
3 years ago
PLS HELP ME Solve the following equation: five eighths plus two eighths equals
salantis [7]
Answer: seven/eighths

Five eighths + two eighths = seven eighths

(5+2)/8 = 7/8

If this question was helpful to you in anyway, please consider giving brainliest
5 0
2 years ago
Read 2 more answers
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