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EastWind [94]
3 years ago
15

How do you use distributive property when simplifying the following?

Mathematics
2 answers:
quester [9]3 years ago
6 0
Hello there!

The Distributive Property allows us to multiply any number/variable outside of the parenthesis by all inside numbers/variables within the parenthesis.

For example;

2(3 + 4)
"2" is our outside number.
"3" and "4" are our inside numbers.
Multiple our outside number by all inside numbers.
2(3) + 2(4)
6 + 8
14.

This is how the Distributive Property works.

Now, let's answer our questions doing this.

#1.)
7(3f + 6)
7(3f) + 7(6)
21f + 42 -- This is your simplified expression for (#1.)

#2.) 
4(9 - 2f)
4(9) + 4(-2f)
36 - 8f -- This is your simplified expression for (#2.)

#3.)

5(8 - f)
5(8) + 5(f)
40 + 5f -- This is your simplified expression for (#3.)

I hope this helps!
Fiesta28 [93]3 years ago
4 0
1. 21f+42

2.36 - 8f

3. 40-5f
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Alexxandr [17]
A = 113.1
so the formula for the area of a circle is
A = pi x r^2
-pi is 3.14(rounded)

-r stands for the radius of the circle which is half the diameter so for this circle your r or radius is 6 and the radius is just squared

so when you plug the numbers in the formula it is
A = 3.14 x 6^2(squared)

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A = 113.1

8 0
3 years ago
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Nutka1998 [239]

Answer:

see explanation

Step-by-step explanation:

The solutions to the systems of equations are at the points of intersection of the 2 graphed functions.

1

There are 2 points of intersection , so 2 solutions at

(0, - 3 ) and (4, 5 )

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There is 1 point of intersection, so 1 solution at

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Answer: 68

Step-by-step explanation:

As per given , we have

Margin of error : E= 0.10

Critical z-value for 90% confidence interval : z_{\alpha/2}=1.645

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