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Phantasy [73]
3 years ago
5

5p-3r=1

Mathematics
2 answers:
melomori [17]3 years ago
6 0
To answer, multiply the first equation by 2. Then, add the equations,
                                10p - 6r = 2
                         +       8p + 6r = 4
The resulting sum would be 18p = 6. The value of p from the equation is p = 1/3. Substitute this value to either of the equation,
                                 10(1/3) - 6r = 2    ; r = 2/9
Thus, the answer is letter C. 
Brilliant_brown [7]3 years ago
4 0
If you would like to solve the system of equations, you can do this using the following steps:

5p - 3r = 1     /*2
8p + 6r = 4
__________
10p - 6r = 2
<span>8p + 6r = 4
</span>__________
10p - 6r + 8p + 6r = 2 + 4
18p = 6
p = 6/18
p = 1/3

<span>5p - 3r = 1
</span>5 * 1/3 - 3r = 1
5/3 - 3r = 1
5/3 - 1 = 3r
5/3 - 3/3 = 3r
2/3 = 3r
r = 2/9

(p, r) = (1/3, 2/9)

The correct result would be <span>(1/3, 2/9)</span>.
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If pr is 3x+14 and qr 7x-10 what is x
mr Goodwill [35]
Start the equation by putting the equations equal to each other 3x+14=7x-10
Next +10 on both sides
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Next -3x on both sides
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-3x +3x

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Now you will divide both sides by 10

24=10x
---- -----
10 10

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3 years ago
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3 years ago
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Need an answer fast!!!
trapecia [35]

Answer:

The length of the line segment is of 5.9 units.

Step-by-step explanation:

Distance between two points:

Suppose that we have two points, (x_1,y_1) and (x_2,y_2). The distance between these two points is given by:

D = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

How long is the line segment?

The distance between points P and Q. So

P(1,3), and Q(4,8).

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4 0
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liq [111]

Answer:

Step-by-step explanation:

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The directed line segment is partitioned into segments of lengths 6 and 10, whose combined length is 16, as expected.

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3 years ago
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