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3 years ago

Please HELP! A. B. C. D

Mathematics

1 answer:

pickupchik [31]3 years ago

3 0

Answer:

if that line follows y=mx...then answer is A

But it seems not....when we divided valuse like 60/2=30

75/3=25....

ratio is not the same

Its hard to tell....You must know exact cordinations

I can tell you this

I can say this if y=60 and x=2 and....y=120 and x=4...then it is propotional...but it seems not..

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The cost of K-12 education per student was $2200 in 1978 and increased to $10,300 in 2008. (Source: Department of Education). (a

kobusy [5.1K]

Answer: $C=270x+2200$

Step-by-step explanation:

Given

Cost per student in the year 1978 is $2200

The cost increases to $10,300 in 2008

Suppose $C=mx+a$ is the linear equation defining the cost per student after x years

Substitute the value for 1978

$\Rightarrow 2200=m(0)+c\\\Rightarrow c=2200$

After 30 years it becomes

$\Rightarrow 10,300=m(30)+2200\\\Rightarrow 30m=8100\\\Rightarrow m=270$

Thus, the linear equation becomes

$\Rightarrow C=270x+2200$

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3 years ago

Which graph represents the solution set of the system of inequalities?

Lyrx [107]

The answer to this is D

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3 years ago

Read 2 more answers

Can someone plz help me with this one problem plz!!!

maksim [4K]

answer is d or c because when u find Mean u add all numbers the. divide and median is middle number

Step-by-step explanation:

mean us 7.5 median is 6 asssss

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3 years ago

As professional sports teams become more and more profitable, the salaries paid to the players have also increased. In fact, man

lesya [120]

Answer: Median

Step-by-step explanation:

some sport superstars are paid extremely huge salaries, but this is not always the case for all spott stars. Since the mean is largerly influenced by the large salaries the data becomes unrelaible When estimating the center but reliable when it comes down to representing the center. With this reason is why the median would be considered.

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3 years ago

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Tasya [4]

Answer:area of the circle=πr²

3.14 =3.14 ×r²

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3 years ago