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weqwewe [10]
3 years ago
7

Write the equation of a line parallel to y=2x+2 that passes through the point (-1, -7)

Mathematics
1 answer:
alexira [117]3 years ago
7 0

Answer: y=2x-5

Step-by-step explanation:

To find the line that is parallel to y=2x+2, we know the slope must be 2. Parallel lines NEVER touch. That tells us that the slope must be 2. Now, all we have to do is to plug in the point to find the y-intercept.

-7=2(-1)+b            [multiply]

-7=-2+b                [add both sides by 2]

b=-5

With the y-intercept, we can find the parallel line.

y=2x-5

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What is the leading coefficient of this polynomial when written in standard form?<br><br> 1-2x+5x^4
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Answer:

5!!

Step-by-step explanation:

When writing the polynomial in standard form, we have:

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The leading coefficient is 5, since it's part of the term with the highest degree.

6 0
3 years ago
A^2+5A+4 (A=-5). Evaluate the expression
Naddik [55]

Answer:

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Step-by-step explanation:

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8 0
3 years ago
A company orders a number of bottles from a factory. The 8 machines in the factory could make all the bottles in 5 days. All the
Thepotemich [5.8K]
We know that
<span>8 machines in the factory could make all the bottles in 5 days
so
100%-----------> 5 days
1 day------------> 100%/5------> 20% with 8 machines
1 machine work at the rate-------> 20%/8-----> 2.5% per day

day 1---------> </span><span>4 machines are used to make the bottles-----> 4*2.5%---> 10%
</span>day 2--------> 4 machines are used to make the bottles-----> 4*2.5%---> 10%
day 3-------->8 machines are used to make the bottles-----> 8*2.5%---> 20%
day 4-------->8 machines are used to make the bottles-----> 8*2.5%---> 20%
day 5-------->8 machines are used to make the bottles-----> 8*2.5%---> 20%
day 6-------->8 machines are used to make the bottles-----> 8*2.5%---> 20%
<span>total work in 6 days=[10+10+20+20+20+20]------> 100%

the answer is
6 days

</span>
5 0
4 years ago
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Answer:

Solution

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Step-by-step explanation:

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7 0
3 years ago
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