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Nezavi [6.7K]
3 years ago
13

Question 3 At 11:05 a.m. a man in a parachute is 8000 feet above the ground. At 11:08 a.m. the same man is 5400 feet above the g

round. What is the average rate of change, in feet per minute, between 11:05 a.m. and 11:08 a.m.?​
Mathematics
1 answer:
Orlov [11]3 years ago
5 0

Answer:

2600 feet every 3 minutes.

Every minute, he goes down about 866 feet.

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Hich statement best describes a graph of paired points that form a proportional relationship?
Yanka [14]

Answer:

A. A straight line can be drawn through all the points and the line passes through the point (0,0) .

Step-by-step explanation:

See comment for options

Given

A graph with proportional relationship

Required

Which of options (a to d) describes the graph

A graph with a proportional relationship is represented as:

y = kx and

(x,y) = (0,0) is a paired point on the graph

This implies that options (b) and (c) are not true

Option (d) is also incorrect because if the graph does not pass through all points, then it is not proportional.

<em>Hence, (a) is correct</em>

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3 years ago
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julia-pushkina [17]

Step-by-step explanation:

3 0
3 years ago
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Each sequence has eight terms. Evaluate each related series. 1,-1,-3, . . . . . . -13
o-na [289]

The sum of the 8 terms of the series 1-1-3-5- ... -13 is -48

The given sequence is:

1,-1,-3,  . . -13

and there are 8 terms.

The related series of this sequence is:

1-1-3-5- ... -13

Notice that the series is an arithmetic series with:

first term, a(1) = 1

common difference, d = -1 - (1) = -2

last term, a(8) = -13

To find the sum of the series, use the sum formula:

S(n) = n/2 [(a(1) + a(n)]

Substitute n = 8, a(1) = 1, a(n) = a(8) = -13 into the formula:

S(8) = 8/2 [1 + (-13)]

S(9) = 4 . (-12) = -48

Learn more about sum of a series here:

brainly.com/question/14203928

#SPJ4

8 0
1 year ago
These are lines in a plane that are always the same distance apart and never intersect. What are they? *​
Pavlova-9 [17]

Answer:

Parallel lines

Step-by-step explanation:

Parallel lines never intersect and are always same distance apart.

Hope this helps, thank you :) !!

3 0
3 years ago
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HELP i rlly need help bc its a test so reply fast
melomori [17]

Answer:

The answer is D.

Step-by-step explanation:

4 0
3 years ago
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