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Scilla [17]
2 years ago
5

Solve for n. 39 = n − –12 n =

Mathematics
1 answer:
Cloud [144]2 years ago
6 0

Answer:

Two negative make a positive so this equation is basically 39 = n + 12 so you need to subtract 12 from each side. This makes it n = 27

Hope this helps!

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Nine less than five times a number is equal to -30
disa [49]

To solve this question, we can start to set up an equation using what the question is telling us. Since we don't know what the number is, let's make it equal to x.

The phrase "5 times a number" means that we're multiplying our unknown, x, by 5. That is equal to 5x. 9 less than that would be 5x - 9. Since we know that it's equal to -30, we can solve.

5x - 9 = -30

Get all terms with x on one side and the constants on the other

5x - 9 +9 = -30 + 9

Simplify

5x = -21

Now, we can divide both sides by 5 to get our answer of x = -\frac{21}{5}

6 0
3 years ago
Read 2 more answers
Pancho built a cabinet shaped like a rectangular prism. The length of the base is 6 inches, and the width is 70 inches. What is
labwork [276]

Answer:

420in^2

Step-by-step explanation:

Given data

Length of base= 6 in

Widht of base= 70 in

We know that area= Length*Width

substitute

Area= 6*70

Area= 420 in^2

Hence the area of the base is 420in^2

3 0
3 years ago
Write the equation of a line that meets all the following requirements:
LuckyWell [14K]

9514 1404 393

Answer:

  • x + y = 5
  • y = -x + 5

Step-by-step explanation:

We can start with the point-slope form of the equation for a line. To meet the given requirements, we can use a point of (5, 0) and a slope of -1. Then the equation in that form is ...

  y -0 = -1(x -5)

Simplifying gives the slope-intercept form:

  y = -x +5 . . . . . . . use the distributive property to eliminate parentheses

Adding x to both sides gives the standard form:

  x + y = 5

__

<em>Explanation</em>

We know the line has the required intercept and slope because we chose those values to put into the point-slope form. Conversion from one form to another made use of the rules of equality, the additive identity element (y-0=y), and the distributive property.

8 0
2 years ago
You can complete 2 math problems in 60 seconds. How long will it take you to
mariarad [96]

Answer:

1080

Step-by-step explanation:

You can add 60 18 times to get 1080 seconds. (60+)

I hope I helped (:

4 0
3 years ago
Please help my 10 year old nephew...
trasher [3.6K]

After, thorough research I believe that there are 265 pine trees and 0 elm trees since decidous and semi-decidous do not grow near conifers.

4 0
3 years ago
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