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Hunter-Best [27]
4 years ago
6

Ratios and Proportions

Mathematics
2 answers:
adelina 88 [10]4 years ago
5 0
5:10 or 5/30 hope this helps
irina1246 [14]4 years ago
4 0
An example of a ratio would be:
1:2
3:4
5:6

An example of a proportion would be:
1/2
3/4
5/6

Hope this helps!

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Three times a number, x, increased by four is equal to five times the number, x. Which equation can be used to solve
ikadub [295]

Answer:

=5x⁴+3x

=-2x+4

=8x+4

=-2x-4

Step-by-step explanation:

hope it's help

7 0
3 years ago
Help me please and thank you
elixir [45]

Answer: 29.55°

Step-by-step explanation: Just subtract 44.25° from 73.80°. You should get

29.55°.

4 0
3 years ago
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Please help!! I'm really confused
Cloud [144]

Answer: im on this one too

Step-by-step explanation:

8 0
3 years ago
Solve by using elimination. Express your answer as an ordered pair.
IrinaK [193]

Answer:

(-2, 0)

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

<u>Algebra I</u>

  • Solving systems of equations using substitution/elimination

Step-by-step explanation:

<u>Step 1: Define Systems</u>

-x - 2y = 2

4x - 2y = -8

<u>Step 2: Rewrite Systems</u>

-x - 2y = 2

  1. Multiply both sides by -1:                    x + 2y = -2

<u>Step 3: Redefine Systems</u>

x + 2y = -2

4x - 2y = -8

<u>Step 4: Solve for </u><em><u>x</u></em>

<em>Elimination</em>

  1. Combine equations:                    5x = -10
  2. Divide 5 on both sides:                x = -2

<u>Step 5: Solve for </u><em><u>y</u></em>

  1. Define equation:                    4x - 2y = -8
  2. Substitute in <em>x</em>:                       4(-2) - 2y = -8
  3. Multiply:                                  -8 - 2y = -8
  4. Isolate <em>y</em> term:                        -2y = 0
  5. Isolate <em>y</em>:                                 y = 0
6 0
3 years ago
Read 2 more answers
Suppose that the local tax rate is 6% and you purchase a car for $32,800. How much tax is paid?
kondaur [170]

Answer:

Before Tax Price: $32,800.00

Sale Tax: 6.00% or $1,968.00

After Tax Price: $34,768.00

Step-by-step explanation:

  1. Take the precentage of tax and turn it into a decimal
  2. Multiply sales tax decimal with the purchased price (Purchase Price x Sales Tax
  3. Get your answer

6 0
4 years ago
Read 2 more answers
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