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denis-greek [22]
3 years ago
5

The second step in solving problems using order of operations is solving the

Mathematics
2 answers:
inna [77]3 years ago
6 0
PEMDAS.....parenthesis, exponents, multiplication/division, addition/subtraction

so step 2 is solving the exponents <==
Sav [38]3 years ago
6 0

Answer: Exponents

Explanation: To summarize, use the following order of operations to simplify.

Parentheses, then exponents, then multiplication/division, then addition and subtraction.

Exponents will always come second unless you have parentheses.

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vladimir2022 [97]
The answer is x = 10, y = 10.

Step 1: rearrange the second equation for y.
Step 2: substitute y from the second equation into the first equation.
Step 3. Calculate y.

Step 1.
<span>The second equation is: 6x + 3y = 90
Divide both sides of the equation by 3:
(6x + 3y)/3 = 90/3
6x/3 + 3y/3 = 30
2x + y = 30
Rearrange the equation:
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Step 2.
</span>Substitute y from the second equation (y = 30 - 2x) into the first equation:
<span>15x + 9y = 240
15x + 9(30 - 2x) = 240
15x + 270 - 18x = 240
15x - 18x = 240 - 270
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x = -30/-3
x = 10

Step 3.
Since </span>y = 30 - 2x and x = 10, then:
y = 30 - 2 * 10
y = 30 - 20
y = 10
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3 years ago
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insens350 [35]

Answer:

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Step-by-step explanation:

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