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maksim [4K]
4 years ago
11

Which type of correlation would you expect to see between the amount of time it takes to finish a test and the grade on the test

? A. positive correlation B. negative correlation C. no correlation
Mathematics
2 answers:
exis [7]4 years ago
5 0

Answer:

It would A.

Step-by-step explanation:

The more time you take on each question, the more likely you might get it right.

erastova [34]4 years ago
3 0
I would say B, because usually when you rush on a test, you're not paying attention to the answers and most likely get them wrong
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4x+2y=-24<br> -4x+y = 12
allsm [11]

Answer:

Step-by-step explanation:

                                4x+2y = -24    -------------(i)

                              <u>  -4x+y =  12    -</u>------------(ii)

add (i) &(ii)                      3y = -12

                                         y = -12/3

                                         y = -4

Put y = (-4) in (i)

4x + 2*(-4) = -24

4x - 8 = -24

4x = -24 + 8

4x = -16

x = -16/4

x = -4

6 0
3 years ago
2.
Mkey [24]

Answer:

14

Step-by-step explanation:

Because it occurs the most frequently in the given data set

4 0
3 years ago
it costs 4.25 for 1 pound of roast beef. how much will it cost to purchase 2.5 pounds of roast beef? round to nearest cent
Stells [14]

Answer:

$10.64

Step-by-step explanation:

We know that 1 pound, costs $4.25, so to begin I added that together. And gave myself 8.50. Now, we know that we have 2 pounds. We need 2.5 so, I devided 425 by 2, and got 213.5. Now I know I have to round to the nearest cent. And 213.5 would round to 214. Now we put the decimal back in place and add our 2.14 to our 8.50 and get $10.64

6 0
3 years ago
1 + 2b – 13 = 12 – 4b – 2b for b
Marysya12 [62]
The answer is b=3 for your problem
6 0
3 years ago
Read 2 more answers
What number is 312% of 10.5
diamong [38]
32.76

3.12x10.5=32.76
7 0
3 years ago
Read 2 more answers
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