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forsale [732]
3 years ago
8

1. Evaluate

Mathematics
1 answer:
Dmitry_Shevchenko [17]3 years ago
6 0
<span>1. Evaluate (2-2^3)^3-4x(-4)
</span>
(2-2 x^{3} )^{3} -4x(-4)=8-8x^{9} -16x<span>
</span>                                   =8(1-x^{9} -2x)<span>

2. Compute
-453+(-5.34)=-453-5.34
                    =-458.34
-56+27.4=-28.6

3. Use <, >, or =

9 > -8
-12 < -3
-4 > -7</span>
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Which of the following statements are true? Select all that apply
trapecia [35]

Answer:

<h3>1) The correlation coefficient gives us information as to how strong the linear association is between two quantitative variables.</h3><h3>2) The Correlation coefficient has units of measurement and does always lie between -1.0 and +1.0</h3><h3>3) The closer the absolute value of r is to 1, the stronger the relationship is between the two variables. </h3>

Step-by-step explanation:

The choices are

1) The correlation coefficient gives us information as to how strong the linear association is between two quantitative variables.

2) The Correlation coefficient has units of measurement and does always lie between -1.0 and +1.0

3) The closer the absolute value of r is to 1, the stronger the relationship is between the two variables.

4) A correlation coefficient of r=0 indicates a strong linear relationship between two variables.

The correlation coefficient is a number from -1 to 1, which indicates how strong can be the correlation between variables. It could be a strong positive correlation or a strong negative correlation. If the correlation coefficient is close to -1, then it's a strong negative correlation. If the correlation coefficient is close to 1, then it's a strong positive correlation.

Therefore, the first choice is correct.

The second choice is also correct, because the correlation coefficient is restricted to the interval [-1, 1].

The third choice is also crrect, because 1 represents a strong correlation between variables, but to have full answer, it should say "a strong positive corrrelation".

8 0
2 years ago
1. The dimensions of Mr. Bell's living room are 10 feet x 8 feet x 2 feet, and the dimensions of his kitchen are 20 feet x 2 fee
romanna [79]

Answer:

more detail

Step-by-step explanation:

8 0
3 years ago
IXL Help: R.8 Trigonometric ratios: find a side length
gavmur [86]
What are the questions?
5 0
2 years ago
HELP PLZ
koban [17]
Y = -1/2x + 4
x + 2y = -8

x + 2(-1/2x+4) = -8
x + -x + 8 = -8
8 = -8

There correct answer is "no solution"
6 0
2 years ago
Read 2 more answers
What is the slope of a line parallel to the line with equation 5x + 3y = 7?
weeeeeb [17]

Answer:

-5/3

Step-by-step explanation:

Parallel lines are lines which have the exact same slope but different y-intercepts. We can find the slope by converting to slope-intercept form, y=mx+b from standard form.

We convert by using inverse operations to isolate y.

5x+3y=7

5x-5x+3y=7-5x

0x+3y=-5x+7

3y=-5x+7

\frac{3y}{3} =\frac{-5x+7}{3} \\y=\frac{-5}{3}x+\frac{7}{3}.

The slope is -5/3. SInce parallel lines have the same slope, the slope for a parallel line will be -5/3.

3 0
3 years ago
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