If the residuals are near zero, what does this tell me about the best-fit line?

Answers

Answer 1
Answer:

Answer:

The closer a data's point residual is to 0 the better the fit.


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a mixture of 40 liters of paint is 25% red tint, 30% yellow tint and 45% water. 10 liters of yellow tint are added to the original mixture. the percent of yellow tint in the new mixture is?

Need help with an explanation please!! 15 points for whoever can help me

Answers

Because one angle is shared between the smaller and larger triangles, this angle is clearly equal.  In addition, their sides surrounding that angle are in the same ratio, so these triangles are similar by SAS similarity, with a ratio of 2.  This means the sides of the big triangle are twice as long as the ones of the small triangle.  As a result, x is equal to 46*2=92.

Solve photo question, please. :)

Answers

coincident because it's two lines that have the same equation if you cancel them down. (coincident means that there are two lines that lie directly on top of eachother)

Over the weekend, the All Smiles Run had 16,478 participants for the Half Marathon. The All Smiles 10K had 6,924 participants, and the 5-Mile Walk had 3,067 participants. How many more people participated in the Half Marathon than in the 10K race and the 5-Mile Walk combined?
a. 6,487
b. 6,587
c. 9,991
d. 12,621

Answers

  6924
+3067
=9991

16478
- 9991
= 6587

The answer is b.

A subtending arc on a circle with a radius of 4.5 centimeters has an arc length of 8π. The measure of the angle subtended by the arc is

Answers

The arc length is 8π.
The circumference of the circle is 2πr = 9π.

(arc)/(circumference) = (angle)/(360)

so (8 \pi )/(9 \pi ) = (x)/(360)

cross-multiply: 9x = 360(8)

x = 320


What is the value of x, given that the two prisms are similar?

Answers

x = 10
The size of the larger prism is twice the size of the smaller one.
For example, as you can see from the base length of the triangular side: Larger is 3 units and the smaller is 1.5 units. 3÷2=1.5
So I did the same with the length of the base: 20÷2=10

Answer:

x=10

Step-by-step explanation:

right answer

Aretha had $0.85 in nickels and dimes. She has 2 more nickels than dimes. How many nickels and dimes does she have?

Answers

5 dimes and 7 nickels

Answer:

14

Step-by-step explanation:

0.85 + 10=0.95 and tyhat + 14 nickle and dimes