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ArbitrLikvidat [17]
2 years ago
13

6 - 3n = -12 what is n?

Mathematics
2 answers:
DaniilM [7]2 years ago
6 0

Answer: 6

Step-by-step explanation:

Rearrange:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

                    6-3*n-(-12)=0  

Step  1  :

Pulling out like terms :

Pull out like factors :

18 - 3n  =   -3 • (n - 6)  

Equation at the end of step  1  :

Step  2  :

Equations which are never true :

2.1      Solve :    -3   =  0

This equation has no solution.

A a non-zero constant never equals zero.

Solving a Single Variable Equation :

2.2      Solve  :    n-6 = 0  

Add  6  to both sides of the equation :  

                     n = 6

One solution was found :

                  n = 6

weeeeeb [17]2 years ago
4 0

Answer: n = 6

Step-by-step explanation:

6 - 3n = -12

Collect like terms

-3n = -12-6

-3n = -18

Divide both side by -3

-3n/-3 = -18/-3

n = 6

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olasank [31]

4(7x−3)−6=6−4(3x−7)

Distributive property

28x - 12 - 6 = 6 - 12x + 28

28x - 18 = -12x + 34

28x + 12x = 34 + 18

40x = 52

   x = 52/40

   x = 13/10

or

   x = 1 3/10 (mixed number:  1 and 3/10)


5 0
2 years ago
Use the formula F=1.8C+32 to convert -20° into fahrenheit.
ZanzabumX [31]

F=1.8C+32

We are given C=-20 degrees

plugging this value in the given equation

F=1.8(-20)+32

F=-36+32=-4

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7 0
3 years ago
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Can someone help me figure this out?
Lyrx [107]

Answer:


Step-by-step explanation:

Let's look at what 10^100 and 100^10 are as numbers without exponents.

Ten raised to a positive integer exponent is a 1 followed by the number of zeros the exponent tells you. For example, 10^2 is 100, or 1 followed by 2 zeros, just like the exponent 2 tells you. 10^5 is 1 followed by 5 zeros, or 100,000. A googol is 10^100 which is a 1 followed by 100 zeros.

Let's use rules of exponents to understand what 100^10 is.

100^10 = (10^2)^10

To raise a power to a power, multiply powers.

100^10 = (10^2)^10 = 10^20

We know what 10^20 means. It is a 1 followed by 20 zeros.

A googol, 10^100, is a 1 followed by 100 zeros.

100^10 is the same as 10^20 or 1 followed by 20 zeros.

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3 0
3 years ago
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Salsk061 [2.6K]

Answer:

36

Step-by-step explanation:

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5 0
3 years ago
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Divide. 413÷129 Enter your answer, as a mixed number in simplest form, in the box.
kompoz [17]

For this case we must divide the following expression:

\frac {413} {129}

The expression can not be simplified. When dividing we have that its decimal form is given by:

3,201550

If we convert to a mixed number we have:

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Verifying:

3 \frac {26} {129} = \frac {129 * 3 + 26} {129} = \frac {413} {129}

Answer:

3 \frac {26} {129}

5 0
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