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Drupady [299]
3 years ago
11

Rue or false? using the regression equation to make predictions for values of the predictor variable outside the range of the ob

served values of the predictor variable is risky and unreliable.
Mathematics
1 answer:
Alexxx [7]3 years ago
5 0
True,.................
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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
How much would be earned on a $425 deposit earning 3% simple interest for 2 years? A. $12.75 B. $25.50 C. $25.88 D. $38.25
sashaice [31]

Answer:

Add ak190 smart answer

Step-by-step explanation:

8 0
2 years ago
Need help on 2, b, c, and 3 please.
Svetlanka [38]
A/Wall if you have 20 and 30 that box is missing # so you will need to times and you will get something like this 20×30=60 and that's the missing #

B/Its going to be about 768 so you need to times and if you don't get 768


4 0
3 years ago
A bag contains 4 red marbles, 5 blue marbles, and 3 green marbles. Two marbles are picked at random. What is the fractional prob
Reika [66]

Answer

16/144

If that doesn't work, try simplifying the fraction.

8 0
3 years ago
Divide.<br><br> −3.52−2.2<br><br> What is the quotient?
vodka [1.7K]

Answer:

- 5.72

Step-by-step explanation:

please mark me brainliest

3 0
2 years ago
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