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-BARSIC- [3]
3 years ago
13

If y=-4+11 and 3x+y=9 what is the value of y?

Mathematics
2 answers:
liubo4ka [24]3 years ago
8 0

Answer:

y = 7

x = 2/3

Step-by-step explanation:

hope it help

plz follow me

Kipish [7]3 years ago
5 0

Answer:

2/3

Step-by-step explanation:

We know the value of y, so substitute y into the equation:

3x + (-4 + 11) = 9 --> remove parentheses

3x - 4 + 11 = 9

3x + 7 = 9 --> subtract 7 from 9

3x = 2 --> divide

x = 2/3

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An equilateral triangle has has an era of 43.5 square feet the height is 8.5 feet what is the Perimeter of the triangle
enot [183]

Answer:

30.7 ft

Step-by-step explanation:

<em>An equilateral triangle with area 43.5 has a height of 8.68 not 8.5</em>

<em>I will do the problem as written even though it is not a possible equilateral triangle</em>

<em>---------------------------------------------</em>

a = (1/2)bh

43.5 = (1/2)b(8.5)

43.5 = 4.25b

b = 43.5/4.25

b = 10.2352941176

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

p = 3b

p = 3 * 10.2352941176

p = 30.7058823528

~ 30.7 ft

8 0
3 years ago
A company that makes nails finds that it would sell 42 boxes of nails per month if they are priced at $20 per box. If the compan
denpristay [2]
The answer is D.

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Checking:
If y = 20 and x = 42, 
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If y = 10 and x = 52.
10 = 62 - 52
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8 0
4 years ago
What are the slope and the y-intercept of the linear function that is represented by the table?
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x y Negativo tres cuartos Negativo

Step-by-step explanation:

3 0
3 years ago
Is the quotient of<br> (-5) ➗ (-7) a rational number? Explain your answer in two or more sentences.
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3 years ago
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