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Makovka662 [10]
3 years ago
8

Which expression is equivalent to 3a+9a+7b-b

Mathematics
1 answer:
LuckyWell [14K]3 years ago
3 0

Answer:

12a+6b

Step-by-step explanation:

3a+9a+7b-b

Combine like terms

3a+9a    +7b-b

12a         +6b

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5 0
3 years ago
Which point is located at (-3.5,-4.5? HELP
guapka [62]

Answer:

Point A

Step-by-step explanation:

count 3.5 steps into the negative x direction(left), then count 4.5 steps into the negative y direction(down).

6 0
3 years ago
Using suitable rearrangement find the sum of -5 + 7/10 + 3/7 + (-3) + 15/4
Mashutka [201]

Answer:

-4.88

Step-by-step explanation:

-5+(-3) = (-8)

7/10 = 98/140

3/7 = 60/140

15/4 = 525/140

525/140 + 60/140 + 98/140 = 683/140

683/140 = 4 123/140

4 123/140 = 4.88 (2dp)

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8 0
3 years ago
Factor each expression 22x-11y+44
Mkey [24]
11(2x-y+4)
The GCF is 11
6 0
3 years ago
The length of a rectangle is 3.5 inches more tan its width. The perimeter of the rectangle is 31 inches. Find the length and the
leonid [27]

Length (L): w + 3.5

width (w): w

Perimeter (P) = 2L + 2w

                31 = 2(w + 3.5) + 2(w)

                31 = 2w + 7 + 2w

                31 = 4w + 7

               24 = 4w

                 6 = w

Length (L): w + 3.5   = (6) + 3.5   = 9.5

Answer: width = 6 inches, length = 9.5 inches


8 0
3 years ago
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