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Olenka [21]
3 years ago
8

What is the most likely value of the correlation coefficient of the data in the table? Based on the correlation coefficient, des

cribe the relationship between time and velocity of the toy car.
Mathematics
1 answer:
ddd [48]3 years ago
7 0

<span>A correlation coefficient is a measure of the strength of dependence and correlation of a set of data. It shows how good is the fitted model to the data. It will have values ranging from -1.0 - 1.0. Having a coefficient that is the lower or the upper limit will tell you that the model best fit the data and a good correlation. However, as it goes farther from the limits then the correlation is to be a bad one.</span>

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Teresa sold t-shirts at a festival and made a profit of $75. She made $4 for each t-shirt she sold. Her total expenses were $25.
Paha777 [63]
She sold 25 t-shirts cuz she made $75 and spent $25 which means she sold $100 worth of shirts which divided by $4 a piece is 25 t-shirts.

4 0
3 years ago
juan and debbie each earn 9 per hour at their "jobs." Debbie worked five hours more than juan during the week. if juan and debbi
Vaselesa [24]

Using a system of equations, it is found that Debbie worked 45 hours during the week.

<h3>What is a system of equations?</h3>

A system of equations is when two or more variables are related, and equations are built to find the values of each variable.

In this problem, the variables are:

  • Variable x: Amount of hours worked by Juan.
  • Variable y: Amount of hours worked by Debbie.

Juan and Debbie each earn 9 per hour at their "jobs", and earned a total of 765 for the week, hence:

9x + 9y = 765

Simplifying the expression by 9:

x + y = 85 -> x = 85 - y.

Debbie worked five hours more than juan during the week, hence:

y = x + 5.

Since x = 85 - y, we replace in the expression:

y = 85 - y + 5.

2y = 90.

y = 45.

Debbie worked 45 hours during the week.

More can be learned about a system of equations at brainly.com/question/24342899

#SPJ1

3 0
2 years ago
16 x 18, I double and halve
adell [148]
16*18 is 288 

what do u mean by "<span>I double and halve"</span>
8 0
3 years ago
Read 2 more answers
Drummer and a guitarist each wrote songs for their band. The guitarist wrote 8 fewer than
vfiekz [6]

Answer:

g = 2d - 8

g + d = 46

6 0
3 years ago
The height, H,of a cylinder is 5 units less than 3 times the radius, R, which expression expresses the height of the cylinder in
Zina [86]
The answer is:  [B]:  " 3r − 5 " .
_______________________________________________________
   
H = 3r <span>− </span>5
_______________________________________________________
3 0
3 years ago
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