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aev [14]
3 years ago
9

BRAINLIEST Enter your answer and show all the steps that you use to solve this problem.

Mathematics
1 answer:
Mandarinka [93]3 years ago
5 0

Answer:

2n + 3

Step-by-step explanation:

To find twice a number, we can do it in several ways:

  • The first is adding the number twice, in this case the number is n, so the operation would be n + n = 2n.
  • The other way is to multiply the number by 2, so 2 * n = 2n.

Then you have to add 3 to the result. The previous result was 2n so now we get:

2n + 3

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Please help!! I need to finish this quick
Natalija [7]
Theorem: pythagorean

Equation: 5^2 + h^2 = 8^2

Solving:

25 + h^2 = 64
h^2 = 39
h =
\sqrt{39 }


Hope this helps!! :)
4 0
3 years ago
Please help The triangles below are similar. Find the value of x. Show all work
Kruka [31]

Answer:

Step-by-step explanation:

The ratio is 12/8 or 3/2

So we can use proportions

3/2=x/15

x=22.5

6 0
4 years ago
What is the solution to the equation -4(2x+3) =2x+6-(8x+2)?
Natali5045456 [20]

Answer:

x = -8

Step-by-step explanation:

solve:

-4(2x+3) =2x+6-(8x+2)

-8x-12 = 2x+6-8x-2

-8x-12 = -6x + 4

-2x = 16

x = -8

Hope this helps.

Good Luck

3 0
3 years ago
Read 2 more answers
Help plz give u extra points
Grace [21]

Answer:

does this help

Step-by-step explanation:

4 0
3 years ago
Question 1 (5 points)
Ivan

Answer:

  f(6) ≈ 31

Step-by-step explanation:

If f(x) varies directly with x, we can write f(x) this way:

  f(x) = kx

Using the given values, we can find k:

  f(25) = k×25 = 130

  k = 130/25 = 5.2

Then for x = 6, we have ...

  f(x) = 5.2x

  f(6) = 5.2×6 = 31.2

Rounded to the nearest whole number, ...

  f(6) ≈ 31

6 0
2 years ago
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