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NARA [144]
3 years ago
6

Morgan wants to sell his bike and does research online to determine what his selling price should be. He finds $25$ bikes of the

same bike model listed, along with their ages, in years, and listed prices, in dollars. He finds the equation of the regression line, shown below, where $p$ represents the predicted price and $y$ represents the age of the bike, in years. $p\ =\ 800\ -\ 50y$
Mathematics
1 answer:
Setler79 [48]3 years ago
8 0

p= 750y

(thats the best i can do i learned this a long time ago like in 4th grade so i kinda forgot sorry!!!)

You might be interested in
The square of a positive number is 24 more than 5 times the number
Ivahew [28]

Answer:

8

Step-by-step explanation:

8^2=64  8*5=40 64-40=24

4 0
2 years ago
I don’t understand how to proof Cpctc or answer the questions
n200080 [17]
I think that first you need to understand what CPCTC is used for.

Let's start with the definition of congruent triangles.

Definition of congruent triangles
Two triangles are congruent if each side of one triangle is congruent to a corresponding side of the other triangle and each angle of one triangle is congruent to a corresponding angle of the other triangle.

A definition works two ways.
1) If you are told the sides and angles of one triangle are congruent to the corresponding sides and angle of a second triangle, then you can conclude the triangles are congruent.
2) If you are told the triangles are congruent, then you can conclude 6 statements of congruence, 3 for sides and 3 for angles.

Now let's see what CPCTC is and how it works.
CPCTC stands for "corresponding parts of congruent triangles are congruent."
The way it works is this. You can prove triangles congruent by knowing fewer that 6 statements of congruence. You can use ASA, SAS, AAS, SSS, etc. Once you prove two triangles congruent, then by the definition of congruent triangles, there are 6 congruent statements. That is where CPCTC comes in. Once you prove the triangles congruent, then you can conclude two corresponding sides or two corresponding angles are congruent by CPCTC. These two corresponding parts were not involved in proving the triangles congruent.

Problem 1.

Statements                                        Reasons
1. Seg. AD perp. seg. BC               1. Given
2. <ADB & <ADC are right angles     2. Def. of perp. lines
3. <ADB is congr. <ADC                 3. All right angles are congruent
4. Seg. BD is congr. seg CD           4. Given
5. Seg. AD is congr. seg. AD        5. Congruence of segments is reflexive
6. Tr. ABD is congr. tr. ACD           6. SAS
7. Seg. AB is congr. seg. AC        7. CPCTC

4 0
3 years ago
If you know that 4 of an item costs a certain amount, and you want to find out how much one costs, which operation will you use?
Natalija [7]

Answer:

The answer would be division (B)

Step-by-step explanation:

4x equals the total amount

x equals the cost of one item

Therefore you'd divide total cost by 4 and that would find the cost of one item

6 0
3 years ago
Read 2 more answers
Baby McKenna wants to arrange 5 blocks in a row. How many different arrangements can she ​make?
kogti [31]

Answer:

I think it 120 times

Step-by-step explanation:

hope this helps!!!

4 0
2 years ago
Plssssss shelp meeeeeee
nexus9112 [7]

Answer:

x=4

Step-by-step explanation:

56/14=4

5 0
3 years ago
Read 2 more answers
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