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Dmitry [639]
3 years ago
6

Which of the following sets are continuous? Please help

Mathematics
1 answer:
Alecsey [184]3 years ago
7 0

Answer:

A, C and D are continuous

Step-by-step explanation:

A is a set of any number x which 30 < x <=45

B is a set that contains only 3 and 7

C is a set of any number x which 60 <= x < 100

D is a set of any number x which -infinity < x < + infinity

E is a set that contains only even whole numbers

A continuous data set is a quantitative data set representing a scale of measurement that can consist of numbers other than whole number, like decimals and fractions.

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slava [35]

4 1/7 = (4*100) +(1/7 of 100)= (400+ 14.28)= 414.28

The answer is 414.28

3 0
3 years ago
Productive use of machinery on a farm made it possible to decrease the number of tractors by 12. How many tractors does the farm
frez [133]
1. the answer is 24. think of x as the original amount, and y as the new amount. y times 1.5 is x, and y+12 is x. reverse that to figure out y, which is what we need, and you have x/1.5 = y as well as x-12 = y. Use the equal values method and make an equation x/1.5=x-12. solve this equation to get x, which is 36. to figure out the new amount, y, you need to subtract 12, which would help you get 24 as your final answer. 

2. once again, create an equation. let's call team 1 x and team 2 y. team one has 1/4th as many as team 2, so that would be x=1/4y. An easier way to write that is 4x=y. after 6 people quit team two, that would be y-6. after the transfer, that would be y-6-12, and x+12 for the teams. they are equal after these, so y-6-12=x+12. solve this equation to get y-18= x+12. if you recall earlier, y was 4 times x, so substitute that into y to get 4x-18=x+12. Solve the equation to get 10 people on team one originally. your final answer is 10 people. 
5 0
3 years ago
Some people advise that in very cold​ weather, you should keep the gas tank in your car more than half full. Irene​'s car had 6.
artcher [175]

Answer:

Irene spent $33.82 on gas to fill her tank.

I don’t know if im correct

7 0
2 years ago
Pls help i dont understand :( will give Brainliest + 25 Points
umka21 [38]
It’s D. 4 is the one next to X because that’s what is changing and -3 is the y intercept which comes after X
3 0
3 years ago
Read 2 more answers
Which equation involves a prime quadratic and cannot be solved by factoring?
brilliants [131]
B. x^2 + 5x - 4 = 0

Anyway that you try to factor it will not work

~~hope this helps~~
6 0
3 years ago
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