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igomit [66]
4 years ago
14

Calculate the slope of the following line. Use the given point as (x1y1). Locate a second point on the line to represent (x2, y2

).
Type a numerical answer in the space provided. Do not type spaces in your answer. If necessary, use the / key to represent a fraction bar.

Mathematics
2 answers:
IrinaVladis [17]4 years ago
7 0

Answer:

you'll go over 2 and then go up 2 to get your 2x and 2y

motikmotik4 years ago
7 0

Answer:

The slope = 2.

Step-by-step explanation:

From the graph we see that the line passes through (2, 3).

So the slope is (y2-y1)/(x2-x1) = (3-1)(2-1)

= 2/1

= 2.

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A metal worker has several 1-kilogram bars of a metal alloy that contain 23% copper and several 1-kilogram bars that contain 79%
astraxan [27]

Answer:

30 each of 23% bars and 18 each of 79% bars

Step-by-step explanation:

If x is the number of 1 kg 23% copper bars, and y is the number of 1 kg 79% copper bars, then:

x + y = 48

0.23x + 0.79y = 0.44(48)

Substituting and solving:

0.23x + 0.79(48-x) = 0.44(48)

0.23x + 37.92 - 0.79x = 21.12

16.8 = 0.56x

x = 30

y = 48 - x

y = 18

You need 30 each of 23% bars and 18 each of 79% bars.

4 0
4 years ago
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Naily [24]

This is incomprehensible, but I would be happy to help if you perhaps re-typed it :D

7 0
2 years ago
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xeze [42]
You have to distribute it.
EXPLANATION:

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8 0
3 years ago
Y - 4 = -2 (x+3) find missing value in the solution
devlian [24]

Answer:

Not solveable

Step-by-step explanation:

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7 0
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