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Margaret [11]
3 years ago
6

A correlation coefficient of _____ indicates that the variables form a perfect linear relationship.

Mathematics
1 answer:
serg [7]3 years ago
8 0
A correlation coefficient of 1 or -1 indicates that the variables form a perfect linear relationship.
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A used bookstore sells hardback books and paperback books.A hardback book costs $11, including tax.A paperback book costs $5, in
Ket [755]

Answer:

D.5

Step-by-step explanation:

You can write the following equations from the information given:

y=x+3 (1)

11x+5y=47 (2)

x is the number of hardback books

y is the number of paperback books

You can replace (1) in (2):

11x+5(x+3)=47

11x+5x+15=47

16x=47-15

16x=32

x=32/16

x=2

Then, you can replace the value of x in (1) to find the value of y:

y=2+3

y=5

According to this, the answer is that Jamal bought 5 paperback books.

6 0
3 years ago
How many gallons of water can fill a pool that is 50 yards by 20 yards and is 9 feet deep? (Assume 7 1/2 gallons per cubic foot.
serg [7]

it would take 10,800 gallons to fill the pool


8 0
3 years ago
Read 2 more answers
Which choice is equivalent to the expression below?
Ivan

Answer:

D

Step-by-step explanation:

.......................

3 0
3 years ago
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Plzzzzzz answerrrrrr asapppppppp<br> ******will mark brainliest *******
brilliants [131]

The first option is the correct answer

5 0
3 years ago
How do I find the surface area of this triangular prism? please help me!!
Illusion [34]
Find the area of all the sides:
10 x 9 = 90
9 x 8 = 72
1/2 x 6 x 8 = 24
1/2 x 6 x 8 = 24
6 x 9 = 54

Add them up:
90 + 72 + 24 + 24 + 54 = 264 square metres
8 0
3 years ago
Read 2 more answers
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