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3 years ago

What Is the perimeter of a=4 and b=2????

Mathematics

2 answers:

sammy [17]3 years ago

8 0

Answer:

Perimeter would be 12 because you add 2a+2b

Step-by-step explanation:

Since perimeter is adding all the sides you have to add 4+4+2+2

marishachu [46]3 years ago

6 0

Answer:

Step-by-step explanation: A=4, b=2

Top side 3b this means 3(2)=6

The bottom side measurement is the same 6

The left side 3a - b means 3(4) - 2 = 10

The right side measurement is the same as the left 10

Don't forget is a rectangle ( In a rectangle, all the angles are the same, and the opposite sides are the same length and are also parallel.)

The perimeter is the sum of all sides:

Therefore, 6 + 6 + 10 + 10 =32

Hope this help!

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Step-by-step explanation:

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2 years ago

In order to test for the significance of a regression model involving 3 independent variables and 47 observations, the numerator

matrenka [14]

Answer:

The correct option is C

Step-by-step explanation:

From the question we are told that

The number of independent variables is $n = 3$

The number of observation is $z = 47$

Since n is are independent variables then their degree of freedom is 3

The denominator(i.e z) degrees of freedom is evaluated as

$Df(z) = z - (n +1)$

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4 0

4 years ago

Pls help me solve this pls show how you got the answer

Rudiy27

Answer:

my answer is in this picture.

5 0

3 years ago

Order of operations (41-3^2)-(4+4)

ladessa [460]

Order is operation is PEMDAS which means Parentheses, Exponents Mulitiplication,division,Addition and Subtraction so you follow the order whether they exist or not.

So (41-3^2)-(4+4)=

41-9-8 = 32-8 = 24

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3 years ago