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pychu [463]
3 years ago
7

Can you please help me on 6(a-7)=-7(a-7)

Mathematics
1 answer:
wolverine [178]3 years ago
5 0

Answer:

a=7

Step-by-step explanation:

6a-42=-7a+49

(add 7a to 6a)

13a-42=49

(add 42 to 49)

13a=91

(divide 91 by 13)

a=7

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Self-select sampling is a sample in which members choose to be in the survey.<br> True<br> False
tigry1 [53]

Answer:

true

Step-by-step explanation:

4 0
3 years ago
1.8+3.5y+0.9+9=16.2<br><br> PLEASE HELP!!
GalinKa [24]

Solution:

1.8 + 3.5y + 0.9 + 9 = 16.2

subtracting 0.9 and 9 from both side

1.8 + 3.5y + 0.9 + 9 - 0.9 - 9 = 16.2 - 0.9 - 9

it will become

1.8 + 3.5y = 6.3

subtracting 1.8 from both side

1.8 + 3.5y - 1.8 = 6.3 -1.8

it will become

3.5y = 4.5

now dividing both side by 3.5

\frac{3.5y}{3.5} =  \frac{4.5}{3.5}

So

y= \frac{4.5}{3.5}

which means

y = 1.28


Hope it helps!


6 0
3 years ago
Need help math please
bezimeni [28]

Answer:

80

Step-by-step explanation:

Rounding to the nearest tenth, we get:

100, 80, 40, 90, 80, 100, 90, 90, 80, 80, 80

Number no. of times

  • 100 2
  • 80 5
  • 40 1
  • 90 3

80 occurs 5 times (most of the times) so, 80 will be the mean.

HOPE THIS HELPS YOU

Follw me = 10 thanks

Mark as brainliest = 10 thanks

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6 0
3 years ago
A rectangle is 15m longer than it is wide. Its perimeter is 72m. Find its length and width.
Dahasolnce [82]
L 6 w 8 is the right answer to the question
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2 years ago
Can someone please help me with my algebra fraction homework Page's 8,9 and 10. Thank You!
Alika [10]

Answer:

8. A

9. C

10. A

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4 years ago
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