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RideAnS [48]
4 years ago
13

1

Mathematics
1 answer:
Veronika [31]4 years ago
6 0

Answer:

I'll answer it

Step-by-step explanation:

do you need it now

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Please help me with Part C of this question!!!
anzhelika [568]

Answer:

  a. 3/4 inches per minute

  b. -1 1/8 inches per minute

  c. B is fastest; 1 1/8 is more than 3/4

Step-by-step explanation:

A <em>change</em> is a <em>difference</em>. A <em>rate of change</em> is <em>one difference divided by another</em>, usually the change in y-value divided by the change in x-value.

__

<h3>a.</h3>

The change in elevation is the difference between the elevation at the end of the period (6 inches) and the elevation at the beginning of the period (3 inches). The change in time period is the difference between the end time (8 min) and the beginning time (4 min).

  change in elevation per minute = (6 -3 inches)/(8 -4 min)

  = (3 inches)/(4 min) = 3/4 inches/minute

__

<h3>b.</h3>

Similarly, ...

  change in elevation per minute = (3 -7 1/2 inches)/(18 -14 min)

  = (-4 1/2 inches)/(4 min) = -1 1/8 inches/minute

__

<h3>c.</h3>

We know that 3/4 is more than -1 1/8, but when we talk about the "fastest rate of change", we're generally interested in the magnitude--the value without the sign. That means we understand a rate of change of -1 1/8 inches per minute to be "faster" than a rate of change of 3/4 inches per minute.

The rate of change from Part B is fastest. 1 1/8 inches per minute is more than 3/4 inches per minute.

6 0
2 years ago
Which expression would correctly calculate the sale price of an item marked 15% off an original price of $63.95?
Katarina [22]
The Answer Would Be C
3 0
3 years ago
Read 2 more answers
5. List the vertices and find the eccentricity of the ellipse: (x + 1)2 + (y – 2)2 = 1<br> 36 100
Leviafan [203]

Answer:

x+y= 136099

&'&**!;;#$*$*$$-%-%=-$*$&2=28%%"

7 0
3 years ago
Madison must run a mile in no more than 9 minutes to qualify for the race ​
MariettaO [177]

Answer:

running. Running is the activity of moving fast on foot, especially as a sport. The running of something such as a business is the managing or organizing of it. ... For example, if something has happened every day for three days, you can say that it has happened for the third day running or for three days running.

4 0
4 years ago
Find the unknown angle in each case.
antiseptic1488 [7]
A = 50
For the other one it is 100
If you are looking for z then z is 55
4 0
3 years ago
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