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Levart [38]
3 years ago
15

HELP ME PLZ answer question below

Mathematics
2 answers:
Ronch [10]3 years ago
8 0

Answer:

11. -2

12. +0.5

Step-by-step explanation:

11. as x increases by 1, y decreases by 2, -2/1 = -2 the ROC is -2 (rate of change)

12. as x increases by 2, y increases by 1, 1/2 = 0.5, ROC is +0.5

algol [13]3 years ago
8 0
11. -2
12. +0.5

Hopes this helps
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A direct variation function contains the points (2, 14) and (4, 28). Which equation represents the function?
vitfil [10]
A direct variation has a constant slope, i.e. (y/x)= constant.

Both of the given two points give a slope of (y/x)=14/2=28/4=7, so the equation of the function is
y/x=7, or simply
y=7x
4 0
3 years ago
A rental car company offers a rental package for a mid-size car.
skelet666 [1.2K]

Answer:

y=45x+40

Step-by-step explanation:

Let

x -----> the number of days

y ----> the total cost in dollars,

we know that

The equation of a linear function in slope intercept form is equal to

y=mx+b

where

m is the slope o rate of the linear equation

b is the y-coordinate of the y-intercept

Remember that the y-intercept is the value of y when the value of x is equal to zero

In this problem we have

The slope is equal to the rental cost per day

so

m=45\frac{\$}{day}

When the number of days is equal to zero (x=0) the total cost is equal to $40 (administrative fee for the cleaning and maintenance of the car)

The y-intercept is the point (0,40)

so

b=\$40

substitute the values

y=45x+40

8 0
3 years ago
What two numbers multiply to get -36 but add to -16
yarga [219]

Answer:

-18 and 2

Step-by-step explanation:

- 18 x 2 = -36

-18 + 2 = -16

6 0
3 years ago
Read 2 more answers
Nick, Paul and krutika share £80 in a ratio 1:1:2 how much money does each person get
Westkost [7]

Answer:

£20

Step-by-step explanation:

First you add 1 ,1 ,2 which =4

Next you divide 80 by 4 which give you the answer 20.

3 0
3 years ago
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juin [17]

Answer:

ssa

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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