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3 years ago

When is it necessary to apply the Distributive Property?

2 answers:

8 0

It is necessary when you are getting into multiplying from the outside of parenthesis and multiplying variables inside of parenthesis.
ex: 5(3 + 3x)
5 * 3 = 15
5 * 3x = 15x
so final set up would be 15 + 15x

Dominik [7]3 years ago

8 0

The distributive property is necessary when you are asked to simplify and distributive property is possible.

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In a circle, area and circumference can be found using the formulas A=(pi)r^2 and C=2(pi)r, respectively, Write a formula for A

AURORKA [14]

Answer:

$A = \dfrac{C^2}{4\pi}$

Step-by-step explanation:

Given that

Area of a circle $A=\pi r^2$

Circumference of the circle $C = 2 \pi r$

Let us re-write the equation of area of circle:

$A=\pi r^2$

$A = \pi \times r \times r$

Multiplying and dividing with 2:

$A = \dfrac{2\pi r}{2} \times r\\\text{Putting }2\pi r = C:\\\Rightarrow A = \dfrac{C}{2} \times r\\\text{Multiplying and dividing by } 2\pi:\\\Rightarrow A = \dfrac{C}{2} \times \dfrac{2\pi r}{2\pi}\\\text{Putting }2\pi r = C:\\\Rightarrow A = \dfrac{C \times C}{4 \pi}\\\Rightarrow A = \dfrac{C^2}{4 \pi}$

Hence, A in terms of C can be represented as:

$A = \dfrac{C^2}{4\pi}$

4 0

3 years ago

Is x=-4 and y=3 a solution of the equation 2x -5y=-23

pishuonlain [190]

Answer:

Yes

Step-by-step explanation:

First you pull them into the equation

2(-4)-5(3)=-23

Distribute

-8-15=-23

-23=-23

7 0

2 years ago

Read 2 more answers

In 2 hours Cara read 48 pages. If she read he same number of pages each hour, how many pages did Cara read in one hour?

k0ka [10]

Cara read 24 pages in 1 hr.

7 0

3 years ago

Read 2 more answers

Plzz make sure ur right Graph the line y= –3x+4.

kipiarov [429]

Answer:

Sorry. Don't have a way to plot it then show you .The Y intercept is 4. The slope is -3x which means its decreasing. Hope this helps

Step-by-step explanation:

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5 0

2 years ago

If you were constructing a TRIANGULAR FRAME, and you had wood in the length of 4inches, 4 inches, and 7 inches, would it make a

Virty [35]

Answer: Yes it is possible to construct a triangle and it will be an isosceles triangle.

Step-by-step explanation:

The triangle inequality tells that for any triangle, the sum of the lengths of any two sides must be greater than or equal to the length of the remaining side.

Given sides of the triangle are 4 inches, 4 inches, and 7 inches.

Here, $4+4=8>7\\7+4=11>4$

So by triangle inequality, a triangle with sides 4 inches, 4 inches, and 7 inches. is possible.

As it has two equal sides as 4 inches , then it must be an isosceles triangle.

5 0

2 years ago