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Paladinen [302]
3 years ago
12

Use linear regression to find the equation of the line that best fits the data. Predict the average retail price of a car that i

s 77 years old in the spring of 1997. At what age is the car​ worthless?
Mathematics
1 answer:
Dafna11 [192]3 years ago
5 0

Answer:

never

Step-by-step explanation:

if it still works then it is not worthless if its super old then it can be a collectors item

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Are these all correct there part 1, 2,3,and 4
kipiarov [429]

Answer:

yes all are right

Step-by-step explanation:

3 0
3 years ago
In the figure, two parallel lines are cut by two other parallel lines. The measure of one of the angles is labeled. Find the mea
11111nata11111 [884]

Answer:

The measure of the angles are

m∠1=128°

m∠2=52°

m∠3=52°

m∠4=128°

m∠5=128°

m∠6=128°

m∠7=52°

m∠8=52°

Step-by-step explanation:

see the attached figure with numbers to better understand the problem

step 1

Find the measure of angle 5  

we know that

m∠5+52°=180° ----> by consecutive interior angles

m∠5=180°-52°=128°

step 2

Find the measure of angle 8

we know that

m∠8=52° ----> by vertical angles

step 3  

Find the measure of angle 7

we know that

m∠7=m∠8 ----> by corresponding angles

we have

m∠8=52°

therefore

m∠7=52°

step 4

Find the measure of angle 6

we know that

m∠6+m∠7=180° ----> by supplementary angles

we have

m∠7=52°

therefore

m∠6+52°=180°

m∠6=180°-52°=128°

step 5

Find the measure of angle 3

we know that

m∠3+m∠6=180° ----> by consecutive interior angles

we have

m∠6=128°

m∠3=180°-128°=52°

step 6

Find the measure of angle 2

we know that

m∠2=m∠3 ----> by vertical angles

we have

m∠3=52°

therefore

m∠2=52°

step 7

Find the measure of angle 1

we know that

m∠1+m∠3=180° ----> by supplementary angles

we have

m∠3=52°

therefore

m∠1+52°=180°

m∠1=180°-52°=128°

step 8

Find the measure of angle 4

we know that

m∠4=m∠1 ----> by vertical angles

we have

m∠1=128°

therefore

m∠4=128°

5 0
3 years ago
Greg drove 660 miles in 12 hours. At the same rate, how long would it take him to drive 495 miles?
Slav-nsk [51]

This one has two parts, first we have to find out the speed to drive 660 miles in 12 hours.  Divide 660 by 12 to get the speed of 55 miles per hour, that is your rate for the next part.

Next we need to find out how long it will take to drive 495 miles at the same pace of 55 mph.

Do the same thing 495/55.  That will give you your final answer.

495/55= 9

It will take him 9 hours to drive 495 miles at a rate of 55 mph.

3 0
3 years ago
What is the area of the composite figure?
Lilit [14]

Answer:

B

Step-by-step explanation:

The composite figure consists of a triangle and a semicircle.

The area (A) of the triangle is calculated as

A = 0. 5 bh ( b is the base and h the perpendicular height )

here b = 2 × 4 = 8 and h = 3, thus

A = 0.5 × 8 × 3 = 12 in²

The area (A) of the semicircle is calculated as

A = 0.5πr² ← r is the radius = 4, thus

A = 0.5π ×4² = 0.5 = 0.5π × 16 = 8π

Sum the 2 areas together for area of composite shape, that is

area of composite shape = ( 8π + 12 ) in²  → B

8 0
3 years ago
the perimeter of a rectangular field is 322 yards. if the length of the field is 88 yards, what is the width
eduard
The perimeter of a rectangle is founded by length plus length plus width plus width

So, we put that information into an expression

P=2l+2w

322=2(88)+2w

Simplify 2(88) which is 176

322=176+2w

Move 176 to the other side as a negative number

322-176=2w

146=2w

Divide both sides by two

146/2=2w/2

146/2 is 73

Therefore, the width of the fie,d is 73 yards
5 0
3 years ago
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