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ZanzabumX [31]
3 years ago
8

The data in the table compares x, the number of pages in a chapter, to y, the amount of time, in minutes, spent reading. The fun

ction y = 0.86x – 0.09 models the data in the table
Which is the best prediction for the number of pages in a chapter that takes 18 minutes to read?
15
17
19
21
Mathematics
2 answers:
Verizon [17]3 years ago
8 0

Answer:

The answer is D on E2020.

Step-by-step explanation:

ololo11 [35]3 years ago
7 0
21
18=0.86x - 0.09     Put 18 as the y value and solve for x
18.09=0.86x           Add 0.09 on both sides.
21.03=x                  Then divide on both sides by 086

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How do i find quartiles, 1,2 and 3
Alexus [3.1K]

Lower quartile=25% of total frequency/numbers in the data set

Median=50% of total frequency/numbers in the data set

Upper quartile=75% of total frequency/numbers in the data set

Hope this helps:)

3 0
3 years ago
Read 2 more answers
11x - 3 + 4x greater than or equal to 142 1/2
oksian1 [2.3K]

Answer:

x > or equal to 9.7

Step-by-step explanation:

Don't let the inequality intimidate you.  Treat the > or equal sign like it is an equal sign.

Any thing you do on the right you must do on the left.

move 3 to other side

combine like terms

15x > or equal to 145.5

Divide both sides by 15

x > or equal to 9.7

4 0
3 years ago
HELP NEEDED!!! WILL MARK BRAINLIEST!!!
erma4kov [3.2K]

Answer:

x(x + 1)

Step-by-step explanation:

\frac{2x + 1}{ \frac{1}{x} +  \frac{1}{x + 1}  }

Make denominators same:

\frac{2x + 1}{ \frac{x + 1}{x(x + 1)} +  \frac{x}{(x + 1)}  }

Add the numerators:

\frac{2x + 1}{ \frac{x + 1 + x}{x(x + 1)} }

\frac{2x + 1}{\frac{2x + 1}{x(x + 1)} }

Apply the rule:

\frac{a}{ \frac{b}{c} }  =  \frac{a \times c}{b}

Therefore,

\frac{(2x + 1)\times x(x + 1))}{2x + 1}

Cancel out common factor of 2x+1:

x(x + 1)

6 0
3 years ago
(show your work!) i only got an hour left for this :c
MA_775_DIABLO [31]

Answer:

7 _> x

Step-by-step explanation:

28 - x _> 7(x-4)

28 - x _> 7x-28

28+28 _> 7x+x

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5 0
3 years ago
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Karel the Dog is instructed to move forward three spaces. Then, if Karel is standing on a ball, Karel will turn right and move f
Klio2033 [76]

Complete Question

The diagram for the question is shown on the first uploaded image

Answer:

The final  position of  Karel is shown on the second uploaded image

Step-by-step explanation:

On the diagram the dot represents steps to be taken by Karel

Now after Karel the Dog has moved forward three spaces, Karel will be standing on a ball, so Karel will turn right  move forward two spaces

So the final position of  Karel is shown on the second uploaded image

5 0
3 years ago
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