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Nookie1986 [14]

3 years ago

7

Matias gets dressed in the dark one morning and chooses his clothes at random. He chooses a shirt(green, red or yellow) a pair o

f pants ( black or blue) and a pair of shoes (checkers or red).

1 answer:

inn [45]3 years ago

6 0

What is the question here?

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When looking at attendance data for 2014-2015 school year, a principal graphed number of tardies, x, a student had compared to t

svetlana [45]

Answer:

a. Linear relationship.

Step-by-step explanation:

Negative correlation describes a relationship of two variables in which one variable increases while the other decreases. It shows the the level at which the variables moves in opposite directions to each other.

In the given example, the two variables are inversely proportional. On plotting the variables against each other, it would have a downward slope. The correlation coefficient, r = -0.94, shows that the number of tardies of a student, x, and grade point average (GPA), y, have a linear relationship. As correlation coefficient is a measure of linear relationship, which could be negative, zero, or positive.

4 0

4 years ago

1<br><img src="https://tex.z-dn.net/?f=1%20%5Cdiv%20%7B3%7D%5E%7B%20-%202%7D%20" id="TexFormula1" title="1 \div {3}^{ - 2} " alt

True [87]

Answer:

$1 \div {3}^{ - 2}$

$1 \div \frac{1}{ {3}^{2} }$

By doing reciprocal we get

$1 \times {3}^{2}$

$9$

8 0

3 years ago

Read 2 more answers

The employees of a firm that manufactures insulation are being tested for indications of asbestos in their lungs. The firm is re

zubka84 [21]

Answer:

0.0029; $26.6; $44.4

Step-by-step explanation:

4 0

4 years ago

A rectangular swimming pool had a length twice as long as it’s width. The pool has a sidewalk around it that is 2 feet wide. Wri

Annette [7]

Answer:

Area = $2w^2+12w+16$

Step-by-step explanation:

We let the width of the pool be "w"

We know the length is twice as long as width, so the length is:

2w

So,

Width = w

Length = 2w

Since a sidewalk with 2 feet width goes around the pool completely, the area enclosed by pool + sidewalk would have 2 feet around it, so its length and width would be:

Width = w + 2 + 2 = w + 4

Length = 2w + 2 + 2 = 2w + 4

The area of a rectangular region is always length * width, so the expression for area of pool and sidewalk would be:

$(w+4)(2w+4)\\=2w^2+4w+8w+16\\=2w^2+12w+16$

If we let the width of the swimming pool be "w", the expression for the area of pool and sidewalk is:

Area = $2w^2+12w+16$

8 0

3 years ago

Ball Mass Speed Kinetic energy

wel

A = 0 J
B = 130 J
C = 160 J

B < C

7 0

3 years ago