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statuscvo [17]
2 years ago
8

What is the equation of a line when the slope is 7 and the y-intercept is -9.

Mathematics
1 answer:
den301095 [7]2 years ago
5 0

Answer:

y = 7x - 9

Step-by-step explanation:

y = mx+b

    m = slope = 7

    b = y-intercept = -9

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What is the median of the 19 numbersplotted in the line plot below?
mars1129 [50]

Recall that the median of a set of numbers is the number in the middle of the set, after the numbers have been rearranged from lowest to highest.

From the plot, we get that the number, arranged from lowest to highest are:

40,40,40,40,40,41,41,41,42,42,43,43,43,43,44,44,44,45,45.

The number in the middle of the above set is:

42.

Therefore the median of the given numbers is:

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Answer: 42.

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11 months ago
Find the function value of cos^2 (7pi/8)
Dima020 [189]
Mhm, absolutely. Notice that we do not have a common unit circle value for any division of 8. But we do have a value for is 7pi/4. Now in order to actually get the value of 7pi/8, we use a half angle formula. So what we do is we will write out the formula and plug 7pi/4 into that formula, this will give us the value of 7pi/8. So the formula we need to plug 7pi/4 into is this: <span>±<span><span><span>1+cos2θ</span>2</span><span>−−−−−−−−−</span>√</span></span><span>SO if you plug in 7pi/4 for theta in that formula, you think you could simplify it to find 7pi/8?</span>
6 0
2 years ago
Read 2 more answers
F(x)=13x-14<br> Find the domain of f(x)
Igoryamba
D_f:x\in\mathbb{R}
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3 years ago
Two mechanics, Martin and Gordon, are working on your car. Martin can complete the work in 4 hours, while Gordon can complete th
ki77a [65]

Answer: 4/3 hours or 1 1/3 hours

Step-by-step explanation:

From the question, we are told that two mechanics, Martin and Gordon, are working on your car. Martin can complete the work in 4 hours, while Gordon can complete the work in 2 hours.

Since Martin can complete the work in 4 hours, that means in 1 hour, he will do 1/4 of the work.

Since Gordon can complete the work in 2 hours, that means in 1 hour, he'll do 1/2 of the job.

When they both work together, we will add their fraction of work done in one hour together. This will be:

= 1/4 + 1/2

= 3/4

This means that both of them will do 3/4 of the job in one hour. Then to get the time taken to get the whole job done, we divide 1 by 3/4. This will be:

= 1 ÷ 3/4

= 1 × 4/3

= 4/3 hours

= 1 hour 20 minutes.

In one

5 0
3 years ago
A small company's net income for the first 6 months of the year was $76500 and for the last six months it was $100000. What is t
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Answer:

The answer is 76500 : 153000

Step-by-step explanation:

You need to times 2

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