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What is the value of n? -10 = n/-0.2

Answers

Answer 1

Answer: -10 = n/-0.2

First, we can change the fraction n/-0.2 into a whole negative. Basically, move the negative sign to the front of the fraction.
$-10 = -(n)/(0.2)$

Second, we can now make our goal to get the variable (n) by itself on one side of the problem. This means we have to move everything over on another side. We can start out by multiplying both sides by 0.2.
$-10 * 0.2 = -n$

Third, let's simplify -10 × 0.2. Whatever the solution, it will be negative. You can solve this by using a calculator, set it up the long way, etc. (-10 × 0.2 = 2)
$-2 = -n$

Fourth, our last step is to multiply both sides by -1. Where did we get the -1? -n can be considered -1, since a variable by itself is 1. After this, we can switch sides.
$n = 2$

Answer: $\fbox {n = 2}$

Answer 2

Answer: n=2 2/-0.2 equals -10

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Which equation shows the substitution method being used to solve the system of linear equations?x + y = 6
x = y + 5

A.
x + y = y + 5

B.
x + (y + 5) = 6

C.
x = (x – 6) + 5

D.
(y + 5) + y = 6

Answers

The equation
(y + 5) + y = 6
shows the substitution method being used to solve the system of linear equations. So the correct option among all the options given in the question is option "D".
For a better explanation, let us first write down the two equations given in the question.
x + 5 = 6
and
x = y + 5
Now the thing that has been done is that the value of x in the first equation has been replaced by the value of x that is given in the second equation. this is actually the substitution method of solving equations.

Your answer is D. You're welcome ;-) (Not trying to sound sarcastic, just I wanted to say you're welcome now than never)

How many times does 3 go into 42

Answers

3 goes into 42 14 times

The donaldson's swimming pool measures 15 metters long 8 meters wide and 3 meters deep how many cubic meters if water will the pool hold

Answers

V=l*w*h

V= 15*8*3

V= 120*3

V= 360

The pool will hold 360 cubic meters.

Final answer:

The Donaldson swimming pool has a volume of 15 meters * 8 meters * 3 meters, which equals 360 cubic meters. Therefore, it can hold 360 cubic meters of water.

Explanation:

To find out how many cubic meters of water Donaldson's swimming pool will hold, we have to calculate the volume of the pool. The volume of a rectangular prism (which is a good model for this swimming pool) is found by multiplying the length by the width by the height. In this case, the length is 15 meters, the width is 8 meters, and the depth (which is effectively the height for this calculation) is 3 meters.

So, the calculation is: 15 meters * 8 meters * 3 meters = 360 cubic meters.

Therefore, Donaldson's swimming pool will hold 360 cubic meters of water when filled.