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kumpel [21]
3 years ago
5

Penelope works as a lifeguard at the neighborhood pool. The chart shows

Mathematics
1 answer:
ladessa [460]3 years ago
5 0

Answer:

a. $60

b. it doesn't show how much Mark makes on here so I can't give an answer

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What is the slope of the two points (-2,7) and (4,-8)
labwork [276]

Answer:

-15/6

Step-by-step explanation:

If you look at the first number in each point, the x coordinate, you see the 2nd point is 6 forward from the 1st point. Now the 2nd number is the y coordinate, and you can see it goes down 15 from the 1st coordinate. So y/x is the slope.

4 0
3 years ago
Read 2 more answers
Find the value of x in 19 and 20 so that f(x)=7​
mafiozo [28]

Answer:

Part 19) x=5

Part 20) x=-3

Step-by-step explanation:

Problem 19) Find the value of x so that f(x)=7

step 1

Find the intersection point of the given line in the graph with the line y=7

The intersection point is (5,7)

see the attached figure

therefore

The x-coordinate of the intersection point is the value of x when f(x)=7

x=5

f(5)=7

Problem 20) Find the value of x so that f(x)=7

step 1

Find the intersection point of the given line in the graph with the line y=7

The intersection point is (-3,7)

see the attached figure

therefore

The x-coordinate of the intersection point is the value of x when f(x)=7

x=-3

f(-3)=7

8 0
3 years ago
Whitch equation is related to this equation? k divided by 4=13
OlgaM077 [116]
k:4=13\\\\\dfrac{k}{4}=13\ \  \ \ |multiply\ both\ sides\ by\ 4\\\\k=52
6 0
3 years ago
Which expression is not equal to 24 + 6x?
Gnoma [55]
It is b lol
That is the answer
5 0
3 years ago
I don’t understand need help
RideAnS [48]

Answer: Choice D

(a-e)/f

=======================================

Explanation:

Points D and B are at locations (e,f) and (a,0) respectively.

Find the slope of line DB to get

m = (y2-y1)/(x2-x1)

m = (0-f)/(a-e)

m = -f/(a-e)

This is the slope of line DB. We want the perpendicular slope to this line. So we'll flip the fraction to get -(a-e)/f and then flip the sign from negative to positive. That leads to the final answer (a-e)/f.

Another example would be an original slope of -2/5 has a perpendicular slope of 5/2. Notice how the two slopes -2/5 and 5/2 multiply to -1. This is true of any pair of perpendicular lines where neither line is vertical.

8 0
2 years ago
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