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Marizza181 [45]
3 years ago
8

PLEASE HELP!

Mathematics
1 answer:
rusak2 [61]3 years ago
4 0
A.) 0.35x + 42 ≤ 70

She wants the truck for one day, which will cost $45. We don't know how far the truck is traveling so that is the variable. She cannot spend more than $70, since that is her budget.

b.) Solve for x using the above equation:

0.35x + 42 ≤ 70
0.35x ≤ 28
x ≤ 80

Judy can drive 80 miles
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A doctoral student wants to determine the relationship between steps per minute and the time it takes to walk 100 feet in
Rina8888 [55]

Using correlation coefficients, it is found that that the correct option is given as follows:

The correlation would stay the same because the change in units for time would have no effect on it.

<h3>What is a correlation coefficient?</h3>
  • It is an index that measures correlation between two variables, assuming values between -1 and 1.
  • If it is positive, the relation is positive, that is, they are direct proportional. If it is negative, they are inverse proportional.
  • If the absolute value of the correlation coefficient is greater than 0.6, the relationship is strong.

The correlation coefficient does not have units, hence if the units of the measures is changed, the coefficient remains constant, which means that the correct option is given by:

The correlation would stay the same because the change in units for time would have no effect on it.

More can be learned about correlation coefficients at brainly.com/question/25815006

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7 0
2 years ago
Common types of data patterns that can be identified when examining a time series plot include all of the following except _____
topjm [15]

Answer:

Vertical is the answer

6 0
2 years ago
Solve the following equation. Then place the correct mixed number in the box provided. 5x/7=22
natka813 [3]
We have that
<span> 5x/7=22
multiply by 7 both sides
5x=22*7-------> 5x=154
divide by 5 both sides
x=154/5
x=30.8--------> x=30 4/5

the answer is
x=30 4/5</span>
7 0
3 years ago
These are the values in Greta’s data set. (2, 43), (3, 46), (4,61), (6, 70), (7,74) Greta determined the equation of a linear re
JulijaS [17]
Answer: See the description below.

The residuals are the difference between the actual and predicted values. Just subtract those values and plot the point.

Your points will be:

(2, 0)
(3, 4)
(4, -5)
(6, -1)
(7, 2)
8 0
3 years ago
The sum of two consecutive integers is -49. Write an equation that models this situation and find the values of the two integers
IrinaK [193]
-25 and -24

You can find this using the equation below:

x + (x + 1) = -49

Solve for x 
3 0
3 years ago
Read 2 more answers
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