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SVEN [57.7K]
3 years ago
9

Simple way to solve this -2(x+3)=8​

Mathematics
2 answers:
Minchanka [31]3 years ago
8 0

Step-by-step explanation:

-2(x + 3) = 8

-2x - 6 = 8

-2x = 8 + 6

-2x = 14

x = -14/2

x = -7

defon3 years ago
4 0
The answer is:

x = -7

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Help me someone!!!!!!!!!!!!!!!!!!!!!!!
Julli [10]
Substitute answers in, a = 3 and b = 2.

(3^2 - 2^2)/(3+2)
= (9-4)/5
= 5/5
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7 0
3 years ago
Scott wants to cover his patio with concrete pavers. If the patio is shaped like a trapezoid whose bases are 11 feet and 13 feet
GenaCL600 [577]

<u><em>Answer:</em></u>

Scott will need 168 ft² of pavers to cover his patio

<u><em>Explanation:</em></u>

Scott wants to cover a trapezoid-shaped patio

<u>This means that:</u>

To get the number of square feet of pavers he'll need, we need to get the area of his patio

<u>Area of trapezium id calculated as follows:</u>

Area = \frac{base_{1}+base_{2}}{2} * height

<u>We are given that:</u>

base₁ = 11 ft

base₂ = 13 ft

height = 14 ft

<u>We now substitute with the givens to get the area as follows:</u>

Area = \frac{11+13}{2} * 14 = 168ft^2

<u>This means that:</u>

Scott will need 168 ft² of pavers to cover his patio

Hope this helps :)

5 0
3 years ago
Solve this problem on paper using all four steps. A girl scout troop sold cookies. If the girls sold 5 more boxes the second wee
Varvara68 [4.7K]
This is a problem where you should make an equation.
Let's say x is the first week. It would mean
First Week : x
Second Week : x + 5
Third Week : 2(x+5)
You need to add these up to make your equation. Your equation will look something like this :
x+x+5+2(x+5) = 431
Now you simplify.
2x+5+2x+10 = 431
4x+15 = 431
4x = 416
x = 104
That means they sold 104 Boxes in the First Week.
104+5=109
So they sold 109 Boxes the Second Week.
109 x 2 = 218
And they sold 218 Boxes the Third Week.

I hope I was useful!
3 0
3 years ago
Read 2 more answers
7^1 in expanded form​
In-s [12.5K]

Step-by-step explanation:

{7}^{1}  = 7 \times 1 \\  = 7

8 0
3 years ago
Which of the following statements about the mean is false?
Harlamova29_29 [7]

Answer:

The value of the mean reflects both the number and the value of cases. is false

Step-by-step explanation:

8 0
3 years ago
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