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nordsb [41]
3 years ago
13

6(7a-10) how do I solve this

Mathematics
2 answers:
NeTakaya3 years ago
7 0
6(7a-10) \\ \\ 6 \times 7a + 6 \times -10 \ / \ distribute \\ \\ 42a + 6 \times -10 \ / \ simplify \\ \\ 42a + -60 \ / \ simplify \\ \\ 42a - 60 \ / \ simplify \\ \\ Answer: \fbox {42a - 60}
Masteriza [31]3 years ago
6 0
Solve the brackets, to do that you should multiply the numbers inside the bracket with the first number outside and in the right to the brackets.so,

6(7a-10)= 42a-60
hence the answer is, 42a-60
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How many laps does it takes to walk 1/4 mile
katrin2010 [14]
One lap. Usually, it would take 4 laps to walk a mile, but since its 1/4 it equals One lap.
7 0
3 years ago
The sum of two numbers is negative fifteen, and one number is five less than the other. Using the variables m and n to represent
Likurg_2 [28]

We need to use the variables m and n to represent both numbers.

Their sum must equal -15. Therefore, we can write the next equation:

m + n = -15

If one number is five less than the other, we need to choose one variable and then we can write it in terms of the other variable. Then:

n = m-5

To find the value for each number, we can replace the n equation on the first equation:

m + n = -15

m + (m-5)= -15

Then:

m + m - 5 = -15

2m -5 = -15

Solve the equation for m:

Add both sides 5 units:

2m - 5 +5 = -15+5

2m = -10

Divide both sides by 2:

2m/2 = -10/2

m = -5

Finally, replace the m value on the first equation:

m + n = -15

-5 + n = -15

Then, solve the equation for n:

Add both sides by 5:

-5+5 + n = -15 +5

n = -10

Hence, both numbers are m=-5 and n= -10.

The equations separated by a comma are m + n = -15,n = m-5.

The numbers separated by a comma are -5,-10.

6 0
1 year ago
Please help me with this.
ipn [44]

-5yards+-8yards=-13yards

8 0
3 years ago
Write the sum or difference in the standard form a + bi. ( 7 + 5i) - ( -9 + i)
Veseljchak [2.6K]
(7 + 5i) - ( -9 + i)
= 7 + 5i - (-9) - (i)
= 7 + 5i + 9 - i
= 16 + 4i

= 4i + 16
3 0
3 years ago
I need help with both of em
bazaltina [42]
The answer to the first one is C) 16. The second one is A) 3,072
7 0
3 years ago
Read 2 more answers
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