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Ilia_Sergeevich [38]
3 years ago
7

-3m - [2m + (5 - m)] + 7 was simplified as 2 - 4m. Without simplifying, explain how you can show that it has been simplified cor

rectly.

Mathematics
1 answer:
Jobisdone [24]3 years ago
7 0

Answer:

the answer and explanation is in the picture

Step-by-step explanation:

hope this helps

please like and Mark as brainliest

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a stadium has 49,000 seats. seats sell for $42 in section A, $24 in section B, and $18 in section C. the number of seats in sect
Dmitrij [34]

Answer:

Step-by-step explanation:

3 0
3 years ago
I'm not really looking for an exact answer, I'm more so looking for an explanation on how to do this.
marshall27 [118]

I would have each block be 1/6 of a yard

You could technically have any value you want, but for me 1/6 is easiest because 1/2 and 1/3 will scale up to this like so

1/2 = (1/2)*(3/3) = 3/6

1/3 = (1/3)*(2/2) = 2/6

The diagram below might help if you're still stuck on why I picked 1/6.

5 0
3 years ago
Solve the system of equations displayed in the picture.
bagirrra123 [75]

The answer is D) (-1,-12)

Reason:

1) substitute 2x-10 for y in y=4x-8

2) 2x-10=4x-8

3) -2x-10=-8

4) -2x=2

5) x=-1

6) substitute -1 for x in y=2x-10

7) y=(2)(-1)-10

8) y=-12

Answer

x=-1 and y=-12

7 0
3 years ago
Find the value of x in the triangle shown below.
Alekssandra [29.7K]

Answer:

102 degrees.

Step-by-step explanation:

Because the 3.3's are congruent (the same), this triangle is isosceles.

A property of isosceles means that the two angles are congruent.

39+39= 78

This means that the last angle must be 180-78.

5 0
3 years ago
Read 2 more answers
Neal's room has sides 10 1/4 ft and 12 5/6 ft. What is the perimeter?
svetoff [14.1K]

Answer:

Find the answer using Perimeter formula.

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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