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3 years ago

(5 + x) + (5 + x + 2)=

2 answers:

7 0

(5 + x) + (5 + x + 2)

First, simplify 5 + x + 2 to x + 7. / Your problem should look like: 5 + x + x + 7
Second, simplify. / Your problem should look like: 5 + 2x + 7
Third, simplify. / Your problem should look like: 2x + 12

Answer: 2x + 12

11Alexandr11 [23.1K]3 years ago

7 0

(5+x)+(5+x+2)

Combine Like Terms:

=5+x+5+x+2

=(x+x)+(5+5+2)

=2x+12

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What is the gcf of 48m^5n and 81m^2n^2

JulijaS [17]

Answer:

gcf is $3m^2n$

Step-by-step explanation:

we are given

$48m^5n$ and $81m^2n^2$

Firstly, we will find factors of both expression

$48m^5n=2\times 2\times2\times 2\times 3\times m^2\times m^3\times n$

$81m^2n^2=3\times 3\times 3\times 3\times m^2\times n\times n$

now, we will find common factors among them

we can see that

For finding gcf, we always find common factors

so,

common terms are 3,m^2 and n

so, gcf is

$=3\times m^2\times n$

$=3m^2n$

8 0

2 years ago

F(x) = 2x2 – x + 9<br> Find f (4)

Alex

Answer:

Step-by-step explanation:

F(-4). F(x) = 2x^2 - x + 9

3 0

3 years ago

How many milliliters are in 12 teaspoons? 1tsp=5ml

dusya [7]

Answer:

There are 59.147 millimeters in 12 teaspoons!

Step-by-step explanation:

7 0

3 years ago

You unfold chicken wire to make a circular pen. The area of the pen is 78.5 square meters. How many meters of chicken wire do yo

Lelu [443]

Circular pen means you are going to use Area = Pi(r^2).

So 78.5 = pi(r^2). Divide by pi on both sides to get r^2 = 78.5/pi. Take the square root of that to get r or radius = approximately 4.99. If you need an exact answer then use $\sqrt{ \frac{78.5}{ \pi } }$ for the next part because you are not done yet.

Plug whatever R you use into the circumference formula of Circumference = 2(pi)(r).

If you use 4.99, you do 2(pi)(4.99) which is approximately 31.35. If you use the exact answer, you do 2(pi)( $\sqrt{ \frac{78.5}{ \pi} }$ ) which gives you approximately 31.41.

Either way you'll need about 31 meters of chicken wire but the 31.40796 or ~31.41 is closer to the exact answer.

8 0

3 years ago

Shaun's savings can be modeled by the regression equation y = 6x^2 + 75x+200. Which of the following is the best prediction for

kipiarov [429]

Answer:

Option D

Step-by-step explanation:

The equation to predict the amount saved is

$y = 6x ^ 2 + 75x + 200.$