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frozen [14]
3 years ago
15

One of the students in the class scored 100 on the midterm but got overconfident, slacked off, and scored only 15 on the final e

xam. No other student in the class "achieved" such a dramatic turnaround. If the instructor decides not to include this student’s scores when constructing a new regression model, will the slope of the new line increase or decrease?
Mathematics
1 answer:
miss Akunina [59]3 years ago
3 0

Answer:

Increase

Step-by-step explanation:

Since your not including the bad mark, it'd increase.

You might be interested in
11.1.30<br> How many three-digit even numbers are possible if the leftmost digit cannot be zero?
Ann [662]

The total number of 3 digit even numbers is 450

Step-by-step explanation:

Step 1 :

We need to determine the  number of 3 digit numbers which is even and the leftmost digit is not zero .

The  3 digits with left most digit not equal to zero starts from 100 and goes up to 998

If we consider only the even 3 digit numbers in this interval, this would form an arithmetic progression with the first number a = 100 and the common difference d = 2.

Step 2:

The last number l  in this series is 998 .

So we have

a = 100

l = 998

d = 2

The nth term in the arithmetic progression is given by a + (n-1) d

so substituting the above values we get

100 + (n-1) 2 = 998

2n = 900  => n = 450

Step 3 :

Answer :

The total number of 3 digit even numbers is 450

4 0
3 years ago
Which function is linear?
Mariulka [41]

Answer:

c

Step-by-step explanation:

7 0
3 years ago
If BC = 61 and AB = 82, what is the length of AC?
Nitella [24]

Answer:

54.8

Step-by-step explanation:

Pythagorean theorem is a^2+b^2=c^2.

Plug the given values in to get 61^2+b^2=82^2

61^2 is 3,721 and 82^2 is 6,724.

6,724-3,721 is 3,003.

The square root of 3,003, rounded to a reasonable value, is 54.8.

The length of AC is 54.8.

4 0
3 years ago
If the smallest of three consecutive numbers is k, write the expression for their sum.
omeli [17]
If they are three consecutive integers then they are:

k, k+1, and k+2 and the sum would then be:

s=k+k+1+k+2

s=3k+3
5 0
3 years ago
Dan earns £224 over the course of a five-day week. How much is that per day?
alina1380 [7]

224/5= 44.8

He enrns 44.8 per day

4 0
3 years ago
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