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Kruka [31]
3 years ago
8

Write the equation that models this scenario: Casey sells half of his video games. The next day he buys 3 more. He now has 27. o

ptions: A. 2/v +3 = 27 B. v/2+ 3 = 27 C 2/v + 3 = 27 D. v/2 − 3 =27
Mathematics
1 answer:
adell [148]3 years ago
6 0

Answer:

B. v/2+ 3 = 27

Step-by-step explanation:

v = number of video games

Then he sells half

v-1/2 v

1/2 v

Now he buys 3 more

1/2v +3

This is 27

1/2 v +3 =27

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Solve the right angle trig. round to the nearest tenth.
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Answer:

x ≈ 58.9

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

<u>Geometry</u>

  • [Right Triangles Only] tan∅ = opposite over adjacent

Step-by-step explanation:

<u>Step 1: Define</u>

We are given a right triangle. We can use trig to find the missing side length.

<u>Step 2: Identify Variables</u>

<em>POV from the angle measure</em>

Angle = 23°

Opposite Leg = 25

Adjacent Leg = <em>x</em>

<em />

<u>Step 3: Solve for </u><em><u>x</u></em>

  1. Substitution [tangent]:                    tan23° = 25/x
  2. Multiply <em>x</em> on both sides:                xtan23° = 25
  3. Isolate <em>x</em>:                                          x = 25/tan23°
  4. Evaluate:                                          x = 58.8963
  5. Round:                                             x ≈ 58.9
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3 years ago
Nate and his sister Natalie are walking around the track at school and they’re walking at a steady rate. Nate walks 5 feet in 2
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Answer:

the last one 3(x+4) = 3x + 12

Step-by-step explanation:

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5. Rory is playing a video game where each game lasts 13⁄4 hours. He wants to play for 9 hours today and this evening. How many
olga_2 [115]
He can play two games. 13/4=3.25
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4 years ago
HELP!!! THIS IS DUE AT 11:59!
Misha Larkins [42]

Answer:

1. x = 22

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Step-by-step explanation:

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