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Svetllana [295]
2 years ago
11

(2n−9)−5(−2.4n+4) Find the difference

Mathematics
1 answer:
goblinko [34]2 years ago
8 0

Answer:

14n - 29

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Distributive Property

<u>Algebra I</u>

  • Combining Like Terms

Step-by-step explanation:

<u>Step 1: Define</u>

(2n - 9) - 5(-2.4n + 4)

<u>Step 2: Simplify</u>

  1. Distribute -5:                         2n - 9 + 12n - 20
  2. Combine like terms (n):        14n - 9 - 20
  3. Combine like terms (Z):        14n - 29
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The process needs to meet the following criterion:The process must make large amounts of product at a low cost. That is option A.

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The length of a rectangular garden is 7ft more than the width. The perimeter is 50 ft. Find the width.
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<h2>Answer:</h2>

<em>W=9</em>

<h2>Step-by-step explanation:</h2>

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PART A Dr. Price uses a table to organize the types of sea life and the positions relative to sea level of each location. Comple
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The differences between the given locations ovtained by taking the absolute value of the difference between two points:

  • A and B = 202.25 meters
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The question involves calculating the difference in the distance between two points.

Location A = - 895.9 m

Location B = - 1098 3/20 = - 1098.15 m

Location C = - 2784.75

Location D = - 3259 5/8 = - 3259.625

Difference between Location A and B

  • |-895.9 - (-1098.15)| = 202.25 meters

Difference between Location B and Location C

  • |-1098.15 - (-2784.75)| = 1686.6 meters

Difference between Location C and Location D

  • |-2784.75 - (-3259.625)| = 474.875 meters

The differences between the different locations are :

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2 years ago
Ashley charges $6 for a bracelet and 12$ for a necklace. She earned $168. Use b for bracelets and n for necklaces, and write an
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Answer:

Step-by-step explanation:

let the number of bracelet be b

Let the number of necklace be n

If Ashley charges $6 for a bracelet , the total amount charged for b bracelets will be 6b

If she charge $12 for a necklace, the total amount for n necklace will be 12n

If she earned $168 in total, then:

6b + 12n = 168

Divide through by 6

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Hence the equation for this situation is b + 2n = 28

Next is to solve for b:

Make b the subject of the formula:

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subtract 2n from both sides

b + 2n - 2n = 28 - 2n

b = 28 -2n

Hence the function for b will  be b = 28-2n

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