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dalvyx [7]
3 years ago
7

Whats the step by step process to solve 3(×-9)=30

Mathematics
2 answers:
Sergio [31]3 years ago
7 0
<span>step  1  :</span> 3 • (x - 9) - 30 = 0 <span>Step  2  :</span><span>Step  3  :</span>Pulling out like terms :

<span> 3.1 </span>    Pull out like factors :

   3x - 57  =   3 • (x - 19) 

<span>Equation at the end of step  3  :</span> 3 • (x - 19) = 0 <span>Step  4  :</span>Equations which are never true :

<span> 4.1 </span>     Solve :    3   =  0

<span>This equation has no solution.
</span>A a non-zero constant never equals zero.

Solving a Single Variable Equation :

<span> 4.2 </span>     Solve  :    x-19 = 0<span> 

 </span>Add  19  to both sides of the equation :<span> 
 </span>                     x = 19 

One solution was found :                  <span> x = 19</span>
Murljashka [212]3 years ago
3 0
3(x-9)=30
3(x-9)+9=30+9
3x/3=39/3
x=39/3
x=13

You have to show a new line for each operation when the directions call for step by step.
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AleksandrR [38]
Try C, im sorry if it’s wrong
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3 years ago
FILL IN THE BLANKS: Given P(x) = 3x5 + 7x6 + 11x7 – 12x - 10
Mama L [17]

The polynomial  3x^5 + 7x^6 + 11x^7 - 12x - 10 is in standard form if the exponents are arranged in decreasing order.

<h3>Polynomial in Standard Form</h3>

Polynomial is an algebraic expression with one or more terms. For example :2x^3+6x^4+x^2+x+2. In this example and in your exercise the exponents of the terms are not arranged in order.

Um polynomial is in <u>Standard Form</u> when the exponents of the terms are in decreasing order. See more details below.

2x^3+6x^4+x^2+x+2is not in standard form because the exponents are not written in decreasing order.

6x^4+2x^3++x^2+x+2 is in standard form because the exponents are written in decreasing order.

Therefore, the given polynomial will be in standard form if yours exponents are arranged in decreasing order.

Read more about polynomials here:

brainly.com/question/4142886

4 0
3 years ago
"Marina burns calories at a rate of 15 calories per minute when running and 6 calories per minute when walking. Suppose she exer
Schach [20]

15r means that she burns 15 calories per min, for as many mins as she ran.  EG: if she ran for 10 min, then she burned 150 cals.  The other one I'm not so sure.

3 0
3 years ago
Read 2 more answers
How do you solve 12x+4y=40?
sergejj [24]

Answer:

12x+4y=40

-4 -4

---------------

12x=36

--- ---

12 12

36÷12=3

6 0
3 years ago
Sarah is 13 years older than Mike. The sum of their ages is 37. How old is Sarah and how old is Mike? Enter your answer as on or
Blizzard [7]

Answer:

(24,13)

Step-by-step explanation:

24 is Sarah's age.

13 is Mike's age.

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\left \{24+13=37

I hope this helped!

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3 years ago
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