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shepuryov [24]
4 years ago
7

Help please asap!!!!!!!!!

Mathematics
1 answer:
Alchen [17]4 years ago
7 0
The answer should be B.
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A water well drilling rig has dug to a heigh of -60 meters after one full day of continuous use. What was the heigh of the drill
baherus [9]

Answer:

-2.5 meters

Step-by-step explanation:

-60 divided by 24 is 2.5

8 0
4 years ago
Which value of m will create a system of parallel lines with no solution? y=mx-6 8x-4y=12 A coordinate grid with one line labele
nydimaria [60]

Answer:

A system of parallel lines will be created where the two lines will never meet and have no common solution at a value of m = 2

Step-by-step explanation:

The equation of the given line is 8·x - 4·y = 12

Which gives;

8·x- 12= 4·y

y = 2·x - 3

Given that the line passes through the points (0, -3) and (1, -1), we have;

Slope, \, m =\dfrac{y_{2}-y_{1}}{x_{2}-x_{1}}

When (x₁, y₁) = (0. -3) and (x₂, y₂) = (1, -1), we have;

Slope, \, m =\dfrac{(-1)-(-3)}{1-(0)} = 2

y - (-3) = 2×(x - 0)

y = 2·x - 3 which is the equation of the given line

For the lines 8·x - 4·y = 12, which is the sane as y = 2·x - 3 and the line y = m·x  - 6 to have no solution, the slope of the two lines should be equal that is m = 2

Given that the line passes through the point (1.5, 0), we have;

y - 0 = 2×(x - 1.5)  

y = 2·x - 3...................(1)

For the equation, y = m·x  - 6, when m = 2, we have;

y = 2·x  - 6..................(2)

Solving equations (1) and (2) gives;

2·x - 3 = 2·x  - 6, which gives;

2·x - 2·x=  - 3 - 6

0 = 9

Therefore, a system of parallel lines will be created where the two lines will never meet and have no common solution at a value of m = 2.

4 0
3 years ago
What is the simplest form of 27/42?    a.27/42  d.9/14   b.1 15/27  e.13/21   c.2/3
soldi70 [24.7K]
\frac{27}{42}=\frac{27:3}{42:3}=\frac{9}{14}\\\\Answer:D
5 0
3 years ago
Read 2 more answers
PLEASE HELP!!! GIVE ME EVERY STEP TO HOW YOU GOT YOUR ANSWERS
asambeis [7]

1) "Subtract -7a+1 from 7+a" means -7a+1 is getting taken away from 7+a, so this can be mathematically expressed as:

Starting expression: (7+a)-(-7a+1)

Distributive property with negatives: 7+a+7a-1

Combine like terms: 6+8a

So the answer for the first one is 6+8a

2) "Subtract -4v-2 from -2-5v" means -4v-2 is getting taken away from -2-5v, so this can be mathematically expressed as:

Starting expression: (-2-5v)-(-4v-2)

Distributive property with negatives: -2-5v+4v+2

Combine like terms: -v

So the answer for the second one is -v

Hope these explanations are clear.

5 0
3 years ago
A triangle has two sides of lengths 8 and 10. what value could the length of the 3rd side be?
rusak2 [61]

Answer:

brainly.com/question/1820178

This is the same question as yours. There is a good explanation to it as well. Copy and paste it into your browser if you can't click it.

7 0
4 years ago
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