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VMariaS [17]
3 years ago
9

how do i solve this equation, it is like terms. Please help! struggling with this just as much as i am in life. -9 - (12 - 3x)

Mathematics
2 answers:
sattari [20]3 years ago
5 0

Answer:

............you welcome..........

Annette [7]3 years ago
3 0
First you will open the bracket and since it is negative so you will change the sign
Therefore, -9-12+3x
= -21+3x should be the expression
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Answer:

x + 4 = 47

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Step-by-step explanation:

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3 years ago
Select all of the following points that lie on the graph of f(x) = 7 - 3x. (-2, 1) (-1, 10) (0, 7) (1, 5) (2, 1)
lesya [120]
(-1,10), (2,1) , (0,7), (-2,1)
8 0
3 years ago
I have 2 possible answer, but I don't know which one. Help please.
stira [4]

Answer:

X=120

Step-by-step explanation:

It is an equalateral so all the angles in the middle are the same all being 60

The angle of a straight line is 180

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180-60=120

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3 years ago
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It costs $2.80 to make a sandwich at the local deli shop. To make a profit, the deli sells it at a price that is 170% of the cos
Svetlanka [38]

Answer:

Sandwich sells for  $4.76  .

Step-by-step explanation:

As given

It costs $2.80 to make a sandwich at the local deli shop.

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170% is written in the decimal form

= \frac{170}{100}

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Thus

Sandwich selling cost = 1.7 × Cost of making

Put all the values in the above

Sandwich selling cost = 1.7 × $ 2.80

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Therefore the Sandwich sells for  $4.76  .

7 0
3 years ago
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Exponential decay is a very common process especially when we are talking about radioactive materials. So, there is already a common formula for this type of behavior which is written below:

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Substituting the values,
A = (780 g)(e^-0.163*16)
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8 0
4 years ago
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