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madam [21]
3 years ago
13

Please help! Thank you:)

Mathematics
1 answer:
Aloiza [94]3 years ago
4 0
The answer would <em><u>B</u></em><em><u /></em><u />e........

(Just trying to help you enjoy!)
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Which of the following points are solutions t the equation 3x - 4y - 8 = 12?
mixas84 [53]

the answer is x = 20/3 + 4/3y

how to: 3x - 4y - 8 = 12

3x = 12 + 4y + 8

3x = 20 + 4y

x = 20/3 + 4/3y

3 0
3 years ago
5. (01.07)<br> Solve 3x - x + 2 = 12. (1 point)
mafiozo [28]

Answer:

x = 5

Step-by-step explanation:

Simplify. First, combine like terms:

3x - x + 2 = 12

(3x - x) + 2 = 12

(2x) + 2 = 12

2x + 2 = 12

Isolate the variable, x. Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS.

PEMDAS =

Parenthesis

Exponents (& Roots)

Multiplication

Division

Addition

Subtraction

& is your order of operation.

First, subtract 2 from both sides:

2x + 2 (-2) = 12 (-2)

2x = 12 - 2

2x = 10

Next, divide 2 from both sides:

(2x)/2 = (10)/2

x = 10/2

x = 5

5 is your answer for x.

Check: Plug in 5 for x in the equation. Solve:

3(5) - (5) + 2 = 12

15 - 5 + 2 = 12

10 + 2 = 12

12 = 12 (True)

~

7 0
3 years ago
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2x+5&gt;7 problem solving
Anna71 [15]

Answer:

x > 1

Step-by-step explanation:

2x+5>7

move constant to right

2x>5-7

subtract 7 and 5

2x>2

divide both sides

x > 1

7 0
2 years ago
Surface Area of a Triangular Pyramid, please help!
8090 [49]

Answer:

surface area of the triangular pyramid

=(1/2×9×7.8)+(3×1/2×9×12.3)

=35.1+166.05

=201.15 inch²

5 0
2 years ago
How many sentences are in 3 paragraph.
masya89 [10]
There is 15 sentence in 3 paragraph
6 0
3 years ago
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