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Sholpan [36]
1 year ago
6

Will the variable be the "part" or the "whole"? remember, earlier he said "is over of = part over whole".

Mathematics
1 answer:
Helga [31]1 year ago
5 0

Answer:

The variable is usually the unknown part of the whole.

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Use average rates of change to determine if the function in the table is Linear or Non-linear.
nevsk [136]

We have been given a table of values of a function. We are asked to determine whether the given function is linear or nonlinear.

We know that a function is linear when its rate of change (slope) is constant.

Let us find slope for each of the given points using slope formula.

m=\frac{y_2-y_1}{x_2-x_1}

m=\frac{-3-0}{4-1}=\frac{-3}{3}=-1

Similarly, we will find the slopes using other given coordinates.  

m=\frac{-6-(-3)}{7-4}=\frac{-6+3}{3}=\frac{-3}{3}=-1

m=\frac{-9-(-6)}{10-7}=\frac{-9+6}{3}=\frac{-3}{3}=-1

Since the rate of change for each set of points is -1, so the rate of change is constant.

Therefore, the given function is linear.

3 0
2 years ago
I need help pleaseee
slava [35]

9514 1404 393

Answer:

  297 miles

Step-by-step explanation:

The round-trip distance from X to Y is double the one-way distance. The distance from X to Y is 648/2 = 324 miles.

That distance is the sum of distances from X to Z and Z to Y. Then ...

  XZ +ZY = XY

  27 +ZY = 324

  ZY = 297

It is 297 miles from City Z to City Y.

4 0
3 years ago
The rate at which people learn about a secret is directly proportional to the number of people who know the secret. If two peopl
fenix001 [56]

Answer:

between 222 and 223 days

Step-by-step explanation:

This relation includes the point (0, 2).

A proportional relation must include the point (0, 0).

This is not proportional, but it may be linear.

Points: (0, 2), (2, 20)

y = mx + b

20 = (20 - 2)/(2 - 0) × 2 + b

20 = 18/2 × 2 + b

b = 2

y = 18x + 2

When 4000 people know, y = 4000.

y = 18x + 2

4000 = 18x + 2

3998 = 18x

x = 3998/18

x = 222.111...

Answer: between 222 and 223 days

8 0
2 years ago
I need help I will give brainiest​
zhenek [66]
It’s B !!!!!!!!!!!!!!!!!!!!!!
8 0
3 years ago
Read 2 more answers
The tables show some input and output values:
blsea [12.9K]
The answer is 2.Only B because, functions can't have input values of the same number. Table B has <span>7, 3 & 7,2 which both have 7 as their input value. </span>
5 0
3 years ago
Read 2 more answers
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