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andrezito [222]
4 years ago
11

What is the average rating for operative effectiveness for national group for all 5 weeks 3.5 3.5 3.8 3.7 3.4

Mathematics
1 answer:
dsp734 years ago
7 0

Answer:

3.58

Step-by-step explanation:

You must add up all of the numbers which will get you 17.9

Then divide 17.9 by the total amount of numbers (5) = 3.58

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In the linear equation y = 2x - 8, the slope of the line is
vlada-n [284]

Answer:

2

Step-by-step explanation:

Answer

Anything in front of the x. Everything else is irrelevant unless it changes the value of the number in front of the x.

In this case the slope is 2.

New Question

If the equation was given as 3y = 6x - 8, then the slope would be

y = 6/3x - 8/3

y = 2x - 8/3 which turns out to be 2 not 6

6 0
4 years ago
A farmer has a total of 21 cows and chickens altogether The animals have 54 legs how many cows and how many chickens does the fa
Sedbober [7]

Answer:

The farmer has 4 cows and 15 chickens.

Step-by-step explanation:

This question can be solved using a system of equations.

I am going to say that:

x is the number of cows

y is the number of chickens.

A farmer has a total of 21 cows and chickens altogether

This means that x + y = 21.

The animals have 54 legs

A cow has four legs, while a chicken has 2 legs. So

4x + 2y = 54.

From the first equation:

y = 21 - x

Replacing

4x + 2(21 - x) = 54

4x + 42 - 2x = 54

2x = 12

x = 6

y = 21 - x = 21 - 6 = 15

The farmer has 4 cows and 15 chickens.

8 0
3 years ago
What is the answer to 1/8 of 24?
ASHA 777 [7]

Your answer is 3.

1/8 * 24 = 3

5 0
3 years ago
If Y has exactly 2 positive integer factors then Y is a prime number. if so how?
Setler79 [48]

Step-by-step explanation:

yes, if your teacher meant to include the default factors of every positive integer number : 1 and the number itself.

these are the 2 positive integer factors.

if a positive number can only be divided without remainder by 1 or by itself (with result 1), then it is per definition a prime number.

if the number can be divided without remainder by another number, then we are not dealing with a prime number.

but if your teacher did not have these default factors in mind, then no :

example : 15

15 has only 2 factors : 3 and 5.

both are positive integer numbers.

and yet 15 is not a prime number.

but back to my first point, 15 also has formally the factors 1 and 15. so, if we count them too, then we have suddenly 4 factors. and the original statement fits again.

7 0
3 years ago
Solve by elimination:<br> 4x + 4y = 4
ra1l [238]

Answer:

x=−y+1

Step-by-step explanation:

Let's solve for x.

4x+4y=4

Step 1: Add -4y to both sides.

4x+4y+−4y=4+−4y

4x=−4y+4

Step 2: Divide both sides by 4.

<u>4x      </u>  =    <u>−4y+4</u>

4          =        4

x=−y+1

Hope this helps ~

7 0
3 years ago
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