MATHEMATICS MIDDLE SCHOOL

Six times the sum of a number and twelve is forty.Which equation represents this?
O 6N + 12N = 40
O 6N + 12 = 40
6(N + 12) = 40
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Answers

Answer 1
Answer:

Answer:

6(N + 12) = 40

Step-by-step explanation:

Number = N

Sum of a number and twelve:

N + 12

Six times the sum of a number and twelve:

6(N + 12)

Six times the sum of a number and twelve is forty:

6(N + 12) = 40
Answer 2
Answer:

Answer:

6(N+12) = 40

Step-by-step explanation:

The statement says six times the sum . . .

From this we can tell that the answer will be 6 times two numbers added together. Those two numbers are "a number" (some variable) and 12.

We can tell that the variable is N, so it answer must be 6(N + 12) = 40

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If the diagonal of a square is 14m long what is the perimeter?

Answers

Answer:

56m²

Step-by-step explanation:

14×4 = 56

Each side is the same length and there are 4

Answer:

56²

Step-by-step explanation:

14/14

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Write 540 as a product of prime numbers

Answers

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PLS I NEED IT FAST I HAVE A 5 MIN LIMIT!!Which table shows a proportional relationship?

a

b

c

d

Answers

Answer:

Its B

Step-by-step explanation:

Its B because the values of c are all 2 times the values of b. This is an example of direct proportion.

We write it as c = 2b

Find an equation of the line that (a) has y-intercept of -8 and (b) is parallel to the line 6 x − 1 y = 7 6x-1y=7 . Write your answer in the form y = m x + b y=mx+b .

Answers

Answer:

The equation of the line in the slope-intercept form is:

\:y=6x-8

Step-by-step explanation:

The slope-intercept form of the equation of a line is

y\:=\:mx\:+\:b

As y intercept is -8, we have

y\:=\:mx\:-8

Since the line is parallel to 6x-y=7, then it has the same slope.

Let's put this equation in y\:=\:mx\:+\:b  form and find the slope

6x-y=7

y=6x-7

Thus, the slope is :

m = 6

Now we can finish the equation of the line in the slope-intercept form

y\:=\:mx\:+\:b

\:y=6x-8           ∵ m = 6, b = -8

Therefore, the equation of the line in the slope-intercept form is:

\:y=6x-8

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Answers

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HELP me plz
I'm in year 9 in England and I got this question. I have no idea what to do

Answers

sum of two consecutive terms is 145
let the numbers be the nth and (n+1)th term

nth term = 5n+10
(n+1)th term = 5(n+1)+10 = 5n+5+10 = 5n+15

5n+10 + 5n+15 = 145
⇒ 10n + 25 = 145
⇒ 10n = 145-25 = 120
⇒ n = 120/10 = 12

terms are:
5n+10 = 5 x 12 + 10 = 70
5n + 15 = 5 x 12 + 15 = 75
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