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nignag [31]
3 years ago
7

Pls help asap i'll give first brainliest

Mathematics
1 answer:
otez555 [7]3 years ago
6 0

Answer:

Step-by-step explanation:

First box is 7x. second is 7+x,third is x-7 last is 2x +7

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5x+15y=12 ordered pair are solution to the equation
gayaneshka [121]

Let's solve for x.

5x+15y=12

Step 1: Add -15y to both sides.

5x+15y+−15y=12+−15y

5x=−15y+12

Step 2: Divide both sides by 5.

5x

5

=

−15y+12

5

x=−3y+

12

5

Answer:

x=−3y+12/5

Let's solve for y.

5x+15y=12

Step 1: Add -5x to both sides.

5x+15y+−5x=12+−5x

15y=−5x+12

Step 2: Divide both sides by 15.

15y

15

=

−5x+12

15

y=

−1

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x+

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Answer:

y=-1/3x+4/5

Hope this helps!

-Josh

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5 0
2 years ago
Solve the following question
Anna11 [10]

Answer:

they are 16 and 4

Step-by-step explanation:

We can call the numbers x and y and we can write:

x - y = 12

x + y = 20

Adding these equations gives us 2x = 32 which means x = 16 and substituting this value into the first equation gives us y = 4.

7 0
3 years ago
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A seal is swimming in the ocean 5 feet below sea level. It dives down 12 feet to catch
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The seals final elevation is 9 feet below sea level.
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The graphs below have the same shape. Complete the equation of the red<br> graph.
inn [45]

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Step-by-step explanation:

F(x) = 2 - x²

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Each cube in the prism is one cubic unit. <br> What is the volume of this rectangular prism?
Oksanka [162]

Answer:

I think the answer would be 120 cm3 .

8 0
3 years ago
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