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eduard
3 years ago
10

Write the equation of the line passing through the points (44,6) and (-4,-6)

Mathematics
1 answer:
Verizon [17]3 years ago
4 0

Answer:

Y = 1/4x - 5

Step-by-step explanation:

Slope (m = y2-y1 / x2-x1) is 1/4 and using one point substituting it instead of x and y you get y - intercept of -5.

Hope this helps. Pls give brainliest.

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irina [24]
The answer is d. 3/50.

5 0
3 years ago
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It is assumed that the test results for a class follow a normal distribution with a mean of 78 and a standard deviation of 36. I
HACTEHA [7]

Answer:

0.7143

- You know the minimum possible grade of the student

- You want to find out the probability that that grade which is greater than 72 is also greater than 84

- Expect the answer to be 0.7143

- The explanation/steps is given below

- The answer seems (and is) reasonable. You only created a new lower limit.

Step-by-step explanation:

Distribution Type: Normal

Mean: 78

Standard deviation: 36

Range of marks: [78 - 36], [78 + 36]  = [42 to 114]

If you know that a student's grade is greater than 72, what is the probability that it's greater than 84?

In this case, the full probability level is between 72 and the upper limit of 114 (instead of between 42 and 114). First, find the fraction of this probability.

[114 - 72] ÷ [114 - 42]  = 42/72  = 0.5833

So, the probability of a student's mark falling between 72 and 114 is 0.5833.

Now making this a whole interval, 114 - 72 = 42

What fraction of this interval of 42 will bear marks between 84 and 114?

[114 - 84]  = 30

30/42  = 0.7143

Because of the first part of the question "If you know (are sure) that a student's grade is greater than 72...", your answer stops at 0.7143, since 72 was used as the lower limit.

8 0
3 years ago
What are the solution(s) of x2-4-0?<br> X= 4 or X=4<br> X=-2 or x= 2<br> x=2<br> x=4
Pavel [41]

Answer:

Step-by-step explanation:

First you add 4 on both sides

X^2=0

Then you take square on both sides

X=+- the square root of 4

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The answer can be either -2 or +2 (which is just 2)

5 0
3 years ago
Hey i need help this assignment is like 3 pages long
slavikrds [6]

Answer:

c=1.96

Step-by-step explanation:

2.1/c=1.5/1.4

2.1*1.4=1.5*c

2.94/1.5=1.5c/1.5

c=1.96

7 0
3 years ago
URGENT WILL MARK BRAINLIEST<br> Question is in attachment
kherson [118]
8x-41+9x+17= 180 (becuase they lie on a straight line)

17x-24=180

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3 years ago
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