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Katarina [22]
2 years ago
13

ILL GIVE YOU BRAINLIEST (SMART MATH PERSON!)

Mathematics
1 answer:
MariettaO [177]2 years ago
4 0

Answer:

A -  (2a+0)/2 ; (2b+0)/2  = ( a , b )

B -  (-2a+0)/2 ; (2b+0)/2  = ( - a, b )

C - (-2a+0)/2 ; ( -2b+0)/2  = ( - a, - b )

D - (2 a+0)/2 ; (-2b+0)/2  = ( a , - b )

Step-by-step explanation:

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Which of the following points is not coplanar with polnis C, D and E?
Leokris [45]

Answer: Point R

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Explanation:

The term "coplanar" means "points that are in the same plane".

Points A, S and U are all in the base plane. Think of this as the floor of the pyramid, so to speak. These three points are with C, D, and E, which are also on the base plane or floor plane. So we can say that all of these points are coplanar.

In contrast, point R is not on the floor plane. It's higher up. So that's why R is not coplanar with points C,D,E.

7 0
2 years ago
Rick invests $7,174 in an account that earns an annual interest rate of 3%. What will be the balance of the account in 18 years
vfiekz [6]

Answer:

A

Step-by-step explanation:

8 0
3 years ago
What's the equation of a line that passes through points (–1, –5) and (1, 3)?
erastova [34]

Answer:

y=4x-1

Step-by-step explanation:

4 0
2 years ago
Question choices<br> 85<br> 50<br> 42.5<br> 59<br> 1.7<br> PLEASE HELP PLS
aleksley [76]

Answer:

42.5

Step-by-step explanation:

Multiply 50 by 0.85, which equals 42.5.

6 0
3 years ago
Find the length BC
Nady [450]
Answer:

The length of BC = 12

Step-by-step explanation:

c^2 = a^2 + b^2

15^2 = 9^2 + b^2

225 = 81 + b^2

b^2 = 225 - 81

b^2 = 144

b = 12

The length of BC is 12
5 0
3 years ago
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