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skelet666 [1.2K]
2 years ago
8

Solve the system of equations by substitution. y= -x-2 3x+3y=6

Mathematics
2 answers:
Orlov [11]2 years ago
8 0
Substitute -x-2 for y in 3x+3y=6
3x+3y=6
3x+3(-x-2)=6
-6=6 (Simplify both sides of the equation)
-6+6=6+6 ( add six to both sides)
0=12

Answer: No Solutions

Hope this helped

sergejj [24]2 years ago
8 0
It would be no solution
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PLEASE PLEASE HELP!! ITS DUE TODAY!!
Nitella [24]

Answer:

7.5 square miles

Step-by-step explanation:

Begin by counting the number of squares that the lake completely or almost completely covers. There are six of these, as indicated by an X. Then find the squares which are about half covered by the lake. These are indicated by a Y. There are three of these. The remainder of the squares that contain some portion of the lake are less than half covered, so we will not count them.

Irregular Object

1 square = 1 sq. mile

Each X counts as one square mile, and each Y counts as 0.5 (12) of a square mile.

(6 × 1) + (3 × 0.5) = 6 + 1.5 = 7.5

The area of the lake is about 7.5 square miles.

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3 years ago
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What’s the answer for this??
Arturiano [62]

Answer:

I would say D

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3 years ago
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Ten times the sum of half a number and 6 is 8
KATRIN_1 [288]

Even though we don't know the number yet, we need to give it some kind of label
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The number we're looking for is ' G '.

Half of it is  1/2 G

The sum of that and 6 is          1/2 G + 6

Ten times that is              10 (1/2 G + 6)

The question says that's 8.
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Divide each side by  10 :                1/2 G + 6  =  0.8

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Multiply each side by  2 :                        G  =  - 10.4

That seems like a weird answer.  We should check it.

The number:                                         -10.4
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The sum of half the number and 6:      -5.2 + 6 = +0.8
Ten times that sum:                                                  8

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5 0
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Answer:

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Answer:

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