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QveST [7]
3 years ago
11

Is {(1,9), (-3,4), (1, -7)} a function?

Mathematics
1 answer:
12345 [234]3 years ago
8 0
No. Because it repeats 1(aka the domain) twice. When there is two same x values than isn’t a function.
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A car travels 370 1/2 miles in 6 1/2 hours what is the average speed at which the car is traveling
Alex

Answer:

57 miles per hour

Step-by-step explanation:

Speed is equal to distance over time

I changed the fractions to decimals for ease of math

distance = 370 .5 miles

time = 6.5 hours

Speed = 370.5/6.5 = 57 miles/hour

7 0
4 years ago
The total weight of the fish in a tank of tropical fish at Fish’n’fur was 7/8 Ib. Each fish weighed 1/64 Ib. After Eric bought s
Sonbull [250]

Step-by-step explanation:

Weight of fish Eric bought

= Weight of fish at first - Weight remaining

= 7/8 lb - 1/2 lb = 3/8 lb.

Number of fish Eric bought

= (3/8 lb) / (1/64 lb)

= (24/64 lb) / (1/64 lb)

= 24.

Hence Eric bought 24 fishes.

5 0
3 years ago
The information is in the picture PLEASE HELP ME
abruzzese [7]

Answer:

The answer is A

Step-by-step explanation:

2t(t-4)

(2t x t)(2t x -4)

2t^2 - 8t

4 0
3 years ago
HELP ASAP SHOW WORK PLZ !!! Multiply first
vlada-n [284]

solve by elimination

we can see that we can eliminate y from both equations by mulitpying the 2nd equation by 2 and adding them


x+6y=1

<u>4x-6y=64 +</u>

5x+0y=65


5x=65

divide both sides by 5

x=13

subsitute back

x+6y=1

13+6y=1

minus 13 both sides

6y=-12

divide by 6 both sides

y=-2


solution is x=13 and y=-2 or (13,-2) is the solution


4 0
4 years ago
Read 2 more answers
Alfred owns a t-shirt shop. At what price would Alfred sell a t-shirt costing him £70 if applied a 25% mark up?
Dominik [7]
The t-shirt would now cost $52.50
3 0
4 years ago
Read 2 more answers
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