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dexar [7]
3 years ago
9

Which expression is equivalent to the following? 21x - 15

Mathematics
1 answer:
guajiro [1.7K]3 years ago
7 0

Answer:

3(7x-5)

Step-by-step explanation:

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Jim brought a pizza and decided to share it with four of his friends his portion was twice as much as any of the others who each
natali 33 [55]

Answer:

Jim had 1/3 of of the pizza

Step-by-step explanation:

He shared a pizza with four friends, each friend had a Piece that was the same size as the other pieces, Jim had TWICE as much pizza as his friends so He had 2 pieces since he has 4 friends and each has 1 piece, so 4 + 2 = 6

2/6 simplify if, 1/3.

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3 years ago
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3 years ago
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6 times the sum of a number t and 5 is s
Crank
Umm simplified it would be 30t=s.  6*5t=s
6 0
3 years ago
A triangle has an angle that measures 25. The other two angles are in a ratio of 11:20. What are the measures of those two angle
frozen [14]

Answer:

The measures of the two angles are 55 and 100 degrees.

Step-by-step explanation:

The three interior angles of a triangle always add up to 180.

So if one angle is 25 degrees

180 - 25 = 155

The two other angles must add up to 155.

If the ratio is 11:20

That means there are 31 equal parts between the two angles

So 155/31 =5

Whic means

11 x 5 = 55

20 x 5 = 100

The two missing angles are 55 and 100 degrees.

Hope this explanation helped you!

5 0
3 years ago
5(x+6)+11=25-3x what is the answer?
Zolol [24]
This is how I did it:
5(x + 6) + 11 = 25 - 3x          use distribution
5x + 30 + 11 = 25 - 3x          use addition
5x + 41 = 25 - 3x                  use addition and subtraction
8x = -16                                use division
x = -16/8
x = -2

So your answer is x = -2


3 0
3 years ago
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