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kipiarov [429]
2 years ago
12

MATH TEST PLEASE HELP

Mathematics
2 answers:
DIA [1.3K]2 years ago
5 0

Answer:

Step-by-step explanation:

d

PIT_PIT [208]2 years ago
4 0

Answer:

B) False because r is closer to 1

Step-by-step explanation:

A perfect negative correlation is seen as r=-1, since the answer r=0.997 is positive and very close to 1, this is almost a perfect POSITIVE correlation. Since the question asks about a negative correlation it is false, and the reasoning is because it is closer to 1 than 0. If it was closer to 0 than it would be a "low" correlation but not negative. The answer is B.

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Please answer in square units and no fake answers
Lubov Fominskaja [6]

Answer:

x=4 I dont know if you are trying to find the value is x

Step-by-step explanation:

5 0
2 years ago
Is the gcf of any two ever numbers always even
Dmitry [639]
Yes, I believe it is 

3 0
3 years ago
Adam wanted to play his video games. His mother told him that he needed to finish his homework, clean out the dishwasher, and cl
11Alexandr11 [23.1K]

Answer:

2 hours and 28 mins

Step-by-step explanation:

75-15=60=1 hour     remain 15 mins

45+14=63-3=60=1 hour      remain 3 mins

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total= 2hours and 28 mins

plz mark me brainly .

3 0
3 years ago
7. What is the equation of the line that passes through (-1, -4) and (0,5)?
Serga [27]

Answer:

A)y=9x+5

Step-by-step explanation:

If x=-1, y=-4,

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If x=0, y=5,

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3 0
2 years ago
A pilot approaching a 3000-meter runway finds that the angles of depression of the ends of the runway are 14° and 20°. How far i
Amanda [17]
Answer:  The plane is 6,547 feet from the closer edge of the runway.

This is a trigonometry problem that will involve setting up 2 different triangles. One going to the closer edge of the runway and the other going to the far end of the runway.

The constant between the 2 triangles is the height of the plane. You can solve for this is both triangles and set them equal to each other. 

Do that will give you the equation:

x/tan(70) = (x+3000)/tan(76) where x is the distance to the closer end of the runway. 

If you solve that equation, you will get x = 6547 feet.

7 0
3 years ago
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