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nadezda [96]
3 years ago
13

The difference of a and b is?

Mathematics
1 answer:
Yakvenalex [24]3 years ago
8 0
A-b
difference means subtract
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Lilian is packing gifts for the needy. She has 240 toys and 180 books
Virty [35]

Answer:

1. 240+180=420 packages.

2. 420 ÷ 240=2 toys and 1 left over.

3. 420 ÷ 180=2 books and 1 left over.

Step-by-step explanation:

Lilian can either put 1 toy and 1 book in the same package or separate them.

6 0
3 years ago
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Jennifer is flying from Montana to South Carolina for vacation. Her flight leaves at 6:30 a.m. MST. Her flight is 3 hours. What
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11:30 am is the time for south carolina when she lands :)
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Exponents how do you do them
konstantin123 [22]
 3 to the power of 5 
 
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What is the solution to 0.4(12 – 3x) = 0.3(12x – 16)?
TiliK225 [7]

Answer:

x = 2

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

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtract Property of Equality

Step-by-step explanation:

<u>Step 1: Define</u>

0.4(12 - 3x) = 0.3(12x - 16)

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Distribute:                                4.8 - 1.2x = 3.6x - 4.8
  2. Add 1.2x on both sides:          4.8 = 4.8x - 4.8
  3. Add 4.8 on both sides:           9.6 = 4.8x
  4. Divide 4.8 on both sides:       2 = x
  5. Rewrite:                                   x = 2
8 0
3 years ago
An investment in a savings account grows to three times the initial value after t years. If the rate of interest is 5%, compound
RideAnS [48]
3p=pe^0.05t
3=e^0.05t
T=(log(3)÷log(e))/0.05
T==21.97 years
4 0
3 years ago
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