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nevsk [136]
3 years ago
14

Find the sum. (-7b + 8C) - (12a + 14) + (5a + 5b)

Mathematics
1 answer:
Liono4ka [1.6K]3 years ago
6 0

Steps to solve:

(-7b + 8C) - (12a + 14) + (5a + 5b)

~Remove parenthesis and combine like terms

(-7b + 5b) + (8c) + (-12a + 5a) + 14

-2b + 8c - 7a + 14

~Put in order

-7a - 2b + 8c + 14

Best of Luck!

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The length of a rectangle is 4.9 cm more than 4 times the width. If the perimeter of the rectangle is 88.8 cm, what
Kamila [148]

Answer:

24.9 by 5.

Step-by-step explanation:

4 0
3 years ago
What percent is equal to 7/25​
ella [17]
28% because 25x4=100 7x4=28
8 0
3 years ago
Which defines a circle a. Two days with a common endpoint b. A piece of a line with two endpoints c. A piece of a line with one
nordsb [41]

Answer:

The correct answer is d.

Step-by-step explanation:

Any point that is co planar with one another and is also equidistant from a given point is a circle. We need it to be co planar, otherwise it would be 3-dimensional and create a sphere. And if they we not all equidistant, they would not make an even circle (it'd be an oval or another shape).  

8 0
3 years ago
Suppose r(140°, P)(A) = B and (RPD←→∘RPC←→)(A) = B, what is m∠CPD?
NISA [10]

An angle bisector divides an angle into two equal halves.

The measure of angle \angle CPD is 70 degrees

The complete question is an illustrates the concept of angle bisector;

Where:

\angle RPD = 140^o, and line PC bisects \angle RPD

Because line PC bisects \angle RPD, then it means that the measure of RPD is twice the measure of CPD:

So, we have:

\angle RDP = 2 \times \angle CPD

Substitute \angle RPD = 140^o

140^o = 2 \times \angle CPD

Divide both sides by 2

70^o = \angle CPD

Apply symmetric property of equality:

\angle CPD = 70^o

Hence, the measure of angle \angle CPD is 70 degrees

Read more about angle bisectors at:

brainly.com/question/12896755

5 0
2 years ago
IF YOU DONT KNOW THE ANSWER DONT ANSWER I NEED AN A ON THIS IN ORDER TO PASS MATH SO PLS HELP IF YOU CAN IF NOT DONT
saul85 [17]

Answer:

1) 2019

2) 120-50=70

3) 2018

4) 100

5) 2018

6) 120-80=40

7) 2018

Step-by-step explanation:

1) 2019

2) 120-50=70

3) 2018

4) 100

5) 2018

6) 120-80=40

7) 2018

5 0
3 years ago
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