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elena-14-01-66 [18.8K]
1 year ago
14

8(7n-2) -6(7n+1) Explain please

Mathematics
2 answers:
Verizon [17]1 year ago
8 0

Answer:

<h2>8(7n - 2) - 6(7n + 1) = 14n - 22</h2>

Step-by-step explanation:

8(7n - 2) - 6(7n + 1)

use the distributive property: a(b + c) = ab + ac

= 8 · 7n + 8 · (-2) + (-6) · 7n + (-6) · 1

= 56n - 16 - 42n - 6

combine like terms

= (56n - 42n) + (-16 - 6)

= 14n - 22

LenKa [72]1 year ago
8 0

Answer:

=> 14n - 22

Step-by-step explanation:

8(7n-2) -6(7n+1)

=> 56n - 16 - 42n -6

=> 14n - 22

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Which expressions are equivalent to √/32?<br> 4√8<br> 08<br> 2√8<br> 4√2<br> 16<br> 16√2
vaieri [72.5K]

Answer: 4√2

square root of a number is the factor that we can multiply by itself to get that number.

The square root symbol is also called as a RADICAL.

Perfect squares are the squares of the integers also called as square numbers.

to find the square root of non-perfect squared numbers we have to check the number with a near-perfect squared numbers

how to find square root of non perfect squared numbers:

If we can't figure out what factor multiplied by itself will result in the given number, we can make a factor tree.

Factor tree of 32 = 2*2*2*2*2

                            = (2*2) * (2*2) *2

                            = (4)2 *2

Therefore √/32 = √/2*2*2*2*2

                          = √/(4)2*2

                          = 4√/2

learn more about square roots here:

brainly.com/question/428672

brainly.com/question/3617398

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8 0
1 year ago
15. 3x – 4y = -1<br> 5x + 2y = 7
never [62]

Answer:

x = 1, y = 1

Step-by-step explanation:

3x - 4y = -1

5x + 2y = 7

If we multiply the whole second equation by 2, we get:

10x + 4y = 14

Adding this to the first equation:

10x + 4y + 3x - 4y = 14 - 1

13x = 13

x = 1

Applying this to the second equation:

5 (1) + 2y = 7

2y = 2

y = 1

8 0
3 years ago
A road crew must repave a road that is 3/4 miles long. They can repave 1/48 miles each hour. How long will it take the crew to r
chubhunter [2.5K]

Answer:

36 hours

Step-by-step explanation:

3/4 divided by 1/48

KCF

3/4*48/1= 144/4= 36

3 0
2 years ago
On a map,1/4 inch represents 16 actual miles.two towns that are 2 3/4 inches apart on this map are how many actual miles apart?
Alex73 [517]

Answer:

176 miles

Step-by-step explanation:

  • you have to know how many 1/4ths are in 2 3/4
  • 4×2= 8 +3 = 11 so 11/4ths.
  • there are 11 , 1/4ths
  • determine the total mileage by multiplying 11 by 16
  • 11×16=176
  • 176 miles in total

8 0
3 years ago
How would I set up this equation? Thank you
algol [13]
Y + 2 = x, or y + 12 = 2x
5 0
3 years ago
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