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AysviL [449]
3 years ago
9

Antoinette solves the linear equation 3(x-3)+2x+9 - 2x+ 2(x-1) using the steps shown below.

Mathematics
2 answers:
maksim [4K]3 years ago
5 0

Answer:

A. She distributed incorrectly

Step-by-step explanation:

I hate it when the wrong answers get more votes than the the right. This IS the correct answer. I just took it on edge and used someone else's answer and got it wrong. I checked it and it was A the first one.  Therefore, its A.

Oxana [17]3 years ago
4 0

Step-by-step explanation:

3(x - 3) + 2x + 9 - 2x + 2(x - 1)

3x - 9 + 2x + 9 - 2x + 2x - 2

Solving like terms

5x - 2

5x = 2

x = 2/ 5

I think she incorrectly applied the multiplication and division properties of equality

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Perform the indicated operation and simplify the result.
hodyreva [135]

Answer:

The answer is

\frac{(2x - y)(2x + y)}{(4x + 3y)(2x + y)}   \times   \frac{(4x + 3y)(x - 3y)}{(2x + y)(x - 3y)}  \\  \\  =  \frac{2x - y}{4x + 3y}  \times  \frac{4 + 3y}{2x  +  y}  \\  \\  =  \frac{2x - y}{2x + y}

Hope this helps you

8 0
3 years ago
What is the surface area of this square pyramid?
Karo-lina-s [1.5K]

Answer:

A;3600 yd2

Step-by-step explanation:

The surface area is found by adding the area of the sides

The area of the bottom is

A= s^2 where s is the side length since it is a square

A = s^2 = 30^2= 900

We can find the area of one of the sides and multiply by 4 since all the sides are the same

The sides are triangles so

A = 1/2 bh  where b is the base b=30 and h is the height = 45

A = 1/2 (30)* 45

A = 675

We have 4 of these triangles

4*675 =2700

Add the 4 triangles and the bottom

2700+900

3600

6 0
4 years ago
___________: next to or adjoining to something else.​
OverLord2011 [107]
Adjacent? i think it’s adjacent
4 0
4 years ago
Read 2 more answers
HELP ME Kiran is using long division to find 623 = 7
Oksana_A [137]

Answer:

B

Step-by-step explanation:

because TRUST ME

5 0
3 years ago
Really Need Help Quick Please! Must turn this in . Please show work. Brainliest answer will be awarded to quickest, correct answ
Anestetic [448]
X = slide height
sine (35) = opp / hypotenuse
sine (35) = x / 4.1

x = 0.57358 * 4.1
x = <span> <span> <span> 2.351678 </span> </span> </span> meters
Okay to the nearest meter it is 2




5 0
4 years ago
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