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Svet_ta [14]
2 years ago
7

Is the relation a function 5,8 7,9 7,5 10,8

Mathematics
1 answer:
Tatiana [17]2 years ago
6 0
No because the number 7 repeats no x-values can repeat.
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The set of ordered pairs below represents a linear function.
Doss [256]
Pretty sure ( -2,-7) because from -1 you go over one then each y is going down 3 so -4 - 3 is -7
8 0
3 years ago
Which is the domain of the function f(x) = -5/6(3/5)x ?
Ghella [55]

The domain would be (negaive infinity, positive infinity)

8 0
3 years ago
Elijah’s workout at the gym consist of the elliptical and treadmill. After burning 450 cal on the elliptical machine, Elijah swi
krek1111 [17]
The answer is 375

30*12.5 is equal to 15*25
15*25= 375
Plz mark as Brainly
7 0
2 years ago
When servicing a heating boiler and radiators, a plumer knows that the time he will take is given by the formula
Allushta [10]

Answer:

£110

Step-by-step explanation:

We know how much time it takes for a boiler and a radiator, and we need to know how much it will cost for 1 boiler and 4 radiators. We have an initial cost of £30, and since hes doing a boiler - which we know takes an hour - we can already add £20 for a start of £50.

Now, there are 4 radiators, that take 45 minutes each. We need to use this equation:

(45*4)/60

We divide by 60 because there are 60 minutes in an hour, and he charges by hour. So:

180/60=3

Now, to find out how much to charge, we need to figure out how much to add to the £50. Since it's £20 an hour, and it takes 3 hours to do the 4 radiators, we need to multiply:

3*20=60

Now we add our totals for a grand total of...

50+60=110

6 0
3 years ago
Find the range of ƒ(x) = 3g – 5 for the domain {–1.5, 2, 4}
timofeeve [1]
-1.5 ------ f(x) = 3(-1.5) - 5
= -4.5 -5
= 9.5

2 -------- f(x) = 3(2) - 5
= 6 -5
= 1

4 -------- f(x) = 3(4) - 5
= 12 - 5
= 7
(9.5, 1 , 7)
6 0
3 years ago
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