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zhannawk [14.2K]
3 years ago
11

What is 4(x - 2 + y)?

Mathematics
2 answers:
Shkiper50 [21]3 years ago
8 0

Answer:

4x-8+4y

Step-by-step explanation:

Kisachek [45]3 years ago
3 0

Answer:

4x-8+4y

Step-by-step explanation:

You distribute meaning you multiply 4 to everything inside the parenthesis

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Ermias and Jeremiah both leave the bookstore at the same time, but in opposite directions. If Jeremiah travels 8 mph faster than
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Using proportions, it is found that Ermias is traveling at a rate of 11 mph and Jeremiah at a rate of 19 mph.

<h3>What is a proportion?</h3>

A proportion is a fraction of a total amount, and the measures are related using a rule of three.

Jeremiah travels 8 mph faster than Ermias, hence their velocities are:

x, x + 8

They travel in opposite directions, hence in one hour they are 2x + 8 apart.

In eight hours, the distance is 8(2x + 8), which is of 240 miles, hence:

8(2x +8) = 240

2x + 8 = 30

2x = 22

x = 11.

Then:

  • x = 11 -> Ermias.
  • x = 11 + 8 = 19 -> Jeremiah.

More can be learned about proportions at brainly.com/question/24372153

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2 years ago
1) a) The formula for simple interest is:
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A)I=PTR/100 b)i)T=I*100/PR ii)R=I*100/PT iii)P=I*100/TR
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3 years ago
What is the product?
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3 years ago
William has a 26 -liter glass tank. First, he wants to put some marbles in it, all of the same volume. Then, he wants to fill th
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Subtract the volume of the water from the volume of the tank to get the total volume of the marbles.

26 liters - 20.9 liters = 5.1 liters

He has 20.9 liters of water.

He has 85 marbles that add up to 5.1 liters of volume.

To find the volume of one marble, we divide 5.1 liters by 85.

(5.1 liters)/85 = 0.06 liters

The volume of each marble is 0.06 liters.

If he uses 200 marbles, the the marbles will occupy 200 * 0.06 liters = 12 liters.

The volume of the tank is 26 liters. 12 liters of volume is occupied by the marbles. The rest of the volume is water.

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3 years ago
When solving an ______, use inverse operations to undo the operations.
s2008m [1.1K]

Answer:

equation

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Inverse operations are used to solve simple algebraic equations to more difficult equations that involve exponents, logarithms, and trigonometry. Mathematically, inverse operations are opposite operations. Addition is the opposite of subtraction; division is the opposite of multiplication, and so on.

[RevyBreeze]

3 0
2 years ago
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