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aniked [119]
3 years ago
6

A classroom has 2 bookcases that weigh 117 pounds altogether. If they all weigh the same amount, how much does each bookcase wei

gh?
Mathematics
2 answers:
Lapatulllka [165]3 years ago
6 0

Answer:

58.5 pounds each.

Step-by-step explanation:

If two bookcases weigh 117 pounds and each weighs the same amount, each bookcase must weigh half of the total weight. 117/2 equals 58.5.

Roman55 [17]3 years ago
4 0

Answer:

They weigh 58.5 pounds each.

Step-by-step explanation:

You just have to dived the total amount by the amount of thing. So you would didvid 117 by 2 which equals 58.5 pounds.

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The sum of the first n natural numbers and 0=
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Every 24 hours, Earth makes a full rotation around its axis. Earth's speed of rotation at the equator is 1.670 km per hour. What
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The circumference of Earth's equator is 40,080 km.

Step-by-step explanation:

Given that every 24 hours, Earth makes a full rotation around its axis, and Earth's speed of rotation at the equator is 1,670 km per hour, to determine what is the circumference of Earth's equator the following calculation must be performed:

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2 years ago
Find the value of x that will make a || B
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Answer:

x = 30

Step-by-step explanation:

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4 0
3 years ago
To join a health club, a person must pay a $75 one-time fee plus a charge of $30 per month. This situation can be presented by a
Rudiy27

Answer:

y = 30x + 75

Step-by-step explanation:

every month you're paying 30 dollars for a fee.

the 75 dollars is simply the "down payment" so to say.

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5 0
2 years ago
SOMEONE HELP PLEASE !!! <br><br> n^2 - m; use m = 7, and n = 8
gladu [14]

Answer:

57

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Step-by-step explanation:

<u>Step 1: Define</u>

n² - m

m = 7

n = 8

<u>Step 2: Evaluate</u>

  1. Substitute:                    8² - 7
  2. Exponents:                   64 - 7
  3. Subtract:                       57
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2 years ago
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