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irinina [24]
3 years ago
13

What is the simplified expression for the expression below?

Mathematics
2 answers:
Nataly [62]3 years ago
6 0

Answer:

( D) -4x-1

Step-by-step explanation:

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

-2x-3-2(x-1)

Answer -4x-1

Alex_Xolod [135]3 years ago
3 0
We have the expression -1(2x + 3) - 2(x - 1).
Distribute the -1 across the 2x and 3.

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

Now distribute the 2 across the x and -1.

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

Combine like terms.

-2x - 3 - 2x + 2 = -4x - 1

So, D -4x - 1 is the answer.

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What is the constant in the expression 12q + 9e + 15
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Answer:

Step-by-step explanation:

the constant in this expression is 15

4 0
3 years ago
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The mass of a proton is approximately 1.67 x 10−24, and the mass of an electron is approximately 9.11 x 10−28. Find the approxim
svetoff [14.1K]
1.67x[10^(-20)] 1.67x[10^(-24+28)]
--------------------- = -------------------------- =
9.11x[10^(-28)] 9.11

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Hope this helps!
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3 years ago
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I need help can somewon help me?
Y_Kistochka [10]

Answer:

1. Lin raised $40

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Step-by-step explanation:

1. It says Lin raised 100% of her goal and the goal was $40 which means that she earned $40

2. For this one it says Jada raised only 50% of her goal. To solve this one you just take half of 40 since it says she raised only 50% of her goal which gets you 20

3. For this one you just have to do some adding. The first part of the problem you take away the 50% of the 150% for a minute and that just leaves 100% which is a total of 40$ you then just look at the 50% by itself which is 20$. Then you take 40 and add the 20 to it which gets you a total of 60$

have a great day! :)

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2 years ago
DIRECTIONS: Type your answer in the space provided. The slope must be in fraction form.
Elanso [62]
DIRECTIONS: Type your answer in the space provided. The slope must be in fraction form.
What is the equation of the line parallel to the given line through the point (14,0)?

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Help please I need an correct answer
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Correct answer of what???
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