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devlian [24]
2 years ago
11

Is this graph a function? Explain why or why not.

Mathematics
1 answer:
melomori [17]2 years ago
8 0

Answer:

yes

Step-by-step explanation:

becuase it passes the virtical line test

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The Gray family and the Thompson family each used their sprinklers last summer. The water output rate for the Gray family's spri
snow_lady [41]

Answer:

Gray family's sprinkler was used for 40 hours.

Thompson family's sprinkler was used for 35 hours.

Step-by-step explanation:

The Gray family and the Thompson family each used their sprinklers last summer.

Let x= amount of time in hours that the Gray family's sprinkler was used.

Let y = amount of time in hours that the Thompson family's sprinkler was used.

The water output rate for the Gray family's sprinkler was 40 L per hour. The water output rate for the Thompson family's sprinkler was 20 L per hour. This means that the combined number of hours that both family's used their sprinklers is 40x + 20y

The families used their sprinklers for a combined total of 75 hours, resulting in a total water output of 2300 L .

This means

x + y = 75

40x + 20y = 2300 - - - - - - - -1

Substituting x = 75 -y into equation 1,

40 ( 75 - y ) + 20y = 2300

3000 - 40y + 20y = 2300

-40y + 20y = 2300 - 3000

-20y = -700

y = 700/20 = 35 hours

x = 75 - y

x = 75 -35 = 40 hours

8 0
3 years ago
Kim finds the length of the side of a cube with a volume of 64 cubic inches. The side measures 2/64 inches. which measurement is
Sholpan [36]
I used your code just now
3 0
3 years ago
Does any one know how to do this
yuradex [85]
Use pathagerium theorm (a2+b2=c2)
6 0
3 years ago
Read 2 more answers
14. Betty is making a mixed fruit punch for her birthday party on Saturday. The recipe requires 3 cups of
Westkost [7]

Answer:

ten and a half

Step-by-step explanation:

2×3.5= 7

3×3.5= 10.5

8 0
2 years ago
Solve 3[-x + (2 x +1)]=x-1
Ahat [919]

The result of the evaluation of the equation given in the task content is; x =-2.

<h3>What is the solution of the equation?</h3>

It follows from the task content that the equation given whose solution is to be determined is;

3[-x + (2 x +1)]=x-1

The equation can be solved as follows;

-3x + 6x +3 = x-1

2x = -4

x = -2

Read more on one variable equation;

brainly.com/question/21528555

#SPJ1

7 0
2 years ago
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