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Vlada [557]
3 years ago
7

Julie gathered data about the numbers of pages and chapters in several books by her favorite author.The equation of the line of

best fit is y = 15.261x + 8.83. Based on the line of best fit, approximately how many pages are predicted to be in a book with 8 chapters? A. 113 B. 122 C. 131 D. 193
Mathematics
2 answers:
Mumz [18]3 years ago
8 0

Answer:

C.

Step-by-step explanation:

erica [24]3 years ago
7 0

Answer:

C

Step-by-step explanation:

To get the approximate number of pages in the chapters, what we need to do is to substitute for the value of x in the line of best fit equation.

Thus, we have;

y = 15.261(8) + 8.83 = 122.088 + 8.83 = 130.918

This is approximately equal to 131

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A pair of skis were $275 but were on sale for $195. What percent reduction is this?
Stels [109]

$275*x%=195

It will be a 29% reduction. But it will not have the exact cost of $195


7 0
4 years ago
Plz Solve Will Mark Brainliest and No Stealing Points Or Will Report<br> Part 1
nata0808 [166]

Answer:

I'm telling you once in my life, I committed mistake and I'M NOT POINT STEALER. put that in mind. You hurt me.

Let's solve for x.

2x+3y=5

Step 1: Add -3y to both sides.

2x+3y+−3y=5+−3y

2x=−3y+5

Step 2: Divide both sides by 2.

2x

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5 0
3 years ago
How do i solve this?
Hunter-Best [27]

Step-by-step explanation:

You need to solve for x.

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4 0
3 years ago
the coordinates of points a and b are (2,4) and (-2,-4) respectively. what is the slope of the line that connects the two points
solmaris [256]

we are given two points as

(2,4) and (-2,-4)

Let's assume

first point as (x1,y1)=(2,4)

so, x1=2 and y1=4

Second  point as (x2,y2)=(-2,-4)

so, x2=-2 and y2=-4

now, we can use slope formula

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now, we can plug values

m=\frac{-4-4}{-2-2}

now, we can simplify it

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4 0
3 years ago
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3241004551 [841]

Answer:

For a normal distribution 68% of data falls within one standard deviation from mean on both sides of mean

Step-by-step explanation:

A normal distribution's graph is a bell shaped curve that is completely described by its mean and standard deviation. Standard deviation is measured in terms of distance from mean.

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Therefore, for a normal distribution 68% of data falls within one standard deviation from mean on both sides of mean ..

8 0
3 years ago
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