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Amanda [17]
3 years ago
5

1. Which of the following relations is a function?

Mathematics
1 answer:
PIT_PIT [208]3 years ago
5 0

Answer:

Step-by-step explanation:

first one

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2x-y=10 y=-4x+2 substitution method
AlladinOne [14]

Answer:

the solution is (2, -6)

Step-by-step explanation:

Substitute the second equation into the first, replacing y in the first:

2x - (-4x+2) = 10

Simplifying, we get:

2x + 4x - 2 = 10, or:

6x = 12, which yields x = 2.

Substituting 2 for x in the second equation yields y = -4(2) + 2 = 0, or y = -6

Then the solution is (2, -6).

5 0
2 years ago
A square serving platter has an area of 124 inches squared. Which is the best estimate of the side length of the platter?
mafiozo [28]

Answer:

Approximately 11 inches

Step-by-step explanation:

7 0
3 years ago
A tree grows three-fourth feet per year. How long will it take the tree to grow from
xenn [34]

Answer:

9 years

Step-by-step explanation:

37-21.25 =15.75ft

1.75ft per year

15.75  / 1.75  = 9 years

4 0
2 years ago
S^2 - 10 s = -8 t = 3/4
RideAnS [48]

Answer:

Step-by-step explanation:

fu**k my di*k

4 0
3 years ago
Write an equation in slope-intercept form for the line that passes through (1,9) and (3,5).
kozerog [31]

Answer:

The answer to your question is    y = -2x + 11

Step-by-step explanation:

A (1, 9)

B (3, 5)

- Find the slope

 m = \frac{y2 - y1}{x2 - x1}

 m = \frac{5 - 9}{3 - 1}

 m = \frac{-4}{2}

        m = - 2

- Find the line equation

        y - y1 = m (x - x1)

        y - 5 = -2(x - 3)

        y - 5 = -2x + 6

        y = -2x + 6 + 5

        y = -2x + 11

8 0
3 years ago
Read 2 more answers
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