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kow [346]
3 years ago
5

This week Aaron got a promotion at work that came with a 3 % pay increase. If now his monthly salary is $ 2163 , how much was he

making before the raise? Enter your answer as a decimal. If needed, round to the nearest penny. Do not use commas.
Mathematics
2 answers:
serg [7]3 years ago
6 0

Answer:he was making $2100 before the raise

Step-by-step explanation:

Let x represent the amount that he was making before the raise.

This week Aaron got a promotion at work that came with a 3 % pay increase. This means that the value of the raise is

3/100 × x = 0.03 × x = 0.03x

The new salary would be

0.03x + x = 1.03x

If now his monthly salary is $2163, it means that

1.03x = 2163

x = 2163/1.03 = 2100

NNADVOKAT [17]3 years ago
5 0

Answer:

12.75

Step-by-step explanation:

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Find the missing length.
Umnica [9.8K]

Answer:

42

Step-by-step explanation:

7 0
3 years ago
Miguel quiere entrenar para la carrera solidaria de verano en uno de los dos parques que tiene cerca de casa. Su plan es correr
kondor19780726 [428]

Answer:

  • <em>The square park is more convenient.</em>

Explanation:

The translation of the question is:

<em>Miguel wants to train for the summer solidarity race in one of the two parks that he has close to home. His plan is to run about 10 km each day and he wants to do an exact number of laps around the park to always start and end at the entrance. Since he has not quite decided between the square and the rectangular park, he decides to do some calculations to see which one suits him best.</em>

<em>Square park: 423 meters each side</em>

<em>Rectangular park: 673 meters measures the base and 218 meters the height</em>

<em />

<h2>Solution</h2>

<u />

<u>1. Calculate the perimeter of the square park</u>

The perimeter of a square is the sum of the four side lengths. Since they are equal it is:

  • Perimeter = 4 × side lenght
  • Perimeter = 4× 423m = 1,692 m

<u />

<u>2. Calculate how many times 1,692m is in 10 km</u>

10 km is 10,000 m. Then, divide 10,000 by 1,692 m:

  • Number of laps = 10,000m / 1,692m ≈ 5.91 laps

<u>3. Calculate the perimeter of the rectangular park</u>

  • Perimeter = 2×base + 2×height
  • Perimeter = 2×673m + 2×218m = 1,782m

<u>4. Calculate how many times 1,782 is in 10km</u>

  • Number of laps = 10,000m / 1,782m ≈ 5.61 laps

Then, since the number 5.91 is closer to an integer number than 5.61, you conclude that the square park is more conventient, because by running 6 laps around the square park the number of kilometers run will be closer to 10 km than with any number of complete laps in the rectangular park.

3 0
4 years ago
Jessamine wants to ride her bike at least 85 miles per week. She rides to and from school 5 days per week. Her house is 6.25 mil
Naddik [55]
Let's translate the verbal language to algebraic language.

She rides to and from school 5 days per week, 6.25 miles each route => 5*2*6.25 miles = 62.5 miles.

She rides additioanly around the park 2.5 miles for each trip t => 2.5*t = 2.5t

Total miles of her rides per week: 62.5 miles + 2.5t

She wants to ride minimum 85 miles => 62.5 + 2.5t ≥ 85

Then, the situation is represented by this inequality:

2.5t + 62.5 ≥ 85

You can develop it and get to several equivalent inequalities, for example:

2.5t ≥ 85 - 62.5

2.5t ≥ 22.5

t ≥ 9

Any of the four forms are equivalent and a valid answer.
4 0
4 years ago
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I need help quickly and fast
Andrej [43]

i might be wrong about this one

5 0
3 years ago
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Y = -1/3x + 5<br> 2x - 2y = -2
Natali5045456 [20]

Answer:

x = 3 , y = 4

Step-by-step explanation:

3 0
3 years ago
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