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valkas [14]
4 years ago
6

Help with math please I'm helping my daughter

Mathematics
2 answers:
viktelen [127]4 years ago
7 0
Top left corner is 1/4, .27, .5, 3/5.
top right corner is 78.54
bottom left corner is 3/7, 5/11, 7/9, 4/5
bottom right corner is 1, 3, 5, 7, 31
earnstyle [38]4 years ago
7 0
1/4, 0.27, 0.5, 3/5

78.54

8 hrs and 30 mins

3/7, 5/11, 7/9,<span> 4/5

1, 3, 5, 7, 31


Hope this is correct and hope it helps!!</span>
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Richard practiced each of 3 piano solos for 5/12 hour. Expressed in simplest form, how long did he practice in all.
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Simplify the expression below.<br> (6-3)(66)
irinina [24]

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198

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198

6 0
3 years ago
BC= <br> round to the nearest hundredth
ivolga24 [154]

Answer:

AC ≈ 5.87

General Formulas and Concepts:

<u>Math</u>

  • Rounding

<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
  • Subtraction Property of Equality<u> </u>

<u>Trigonometry</u>

[Right Triangles Only] SOHCAHTOA

[Right Triangles Only] tanθ = opposite over adjacent<u> </u>

Step-by-step explanation:

<u>Step 1: Identify</u>

Angle θ = 50°

Opposite Leg = 7

Adjacent Leg = BC

<u>Step 2: Solve for BC</u>

  1. Substitute in variables [tangent]:                                                                     tan50° = 7/AC
  2. [Multiplication Property of Equality] Multiply AC on both sides:                   ACtan50° = 7
  3. [Division Property of Equality] Isolate AC:                                                      AC = 7/tan50°
  4. Evaluate:                                                                                                           AC = 5.8737
  5. Round:                                                                                                               AC ≈ 5.87
3 0
3 years ago
A local magazine sells space for ads. It charges advertisers according to the fraction of a page purchased. Advertisers purchase
Novay_Z [31]

Answer:

3/16 of page 20

Step-by-step explanation:

1/8 = 2/16

2/16 + 1/16 = 3/16

6 0
3 years ago
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