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Delicious77 [7]
2 years ago
7

Gus bought a pair of sunglasses for $45.00 and then sold them to his friend for $58.50. What percent did Gus mark up the sunglas

ses before selling them?
Mathematics
2 answers:
elena-14-01-66 [18.8K]2 years ago
4 0
First we want to subtract 58.50 by 45.00. what is the answer
goldenfox [79]2 years ago
3 0
30% First find the difference between the two (58.50-45) then divide the difference by the original (13.5/45) and that will give you .30 to make it a percent move the decimal two places to the right :)
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Art [367]

Answer:

1. p=1.3333

2. k=1

3. n=4

4. x=6.6666

5. m=17.5

6. r=8.75

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3 years ago
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A right triangular prism and its net are shown below.
Law Incorporation [45]

Answer:

A=2

B=12

C=5

D=13

SA=411mm

Step-by-step explanation:

SA=bh+(s1+s2+s3)H

=12×5+(12+2+13)(13)

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PLS HELPLO<br> Find the change in x for ordered pairs (6,-3) and (5, 1) *
Ghella [55]

Answer:

The change in x = Δx =  -1

Step-by-step explanation:

Given the ordered pairs

  • (6, -3)
  • (5, 1)

Here,

  • x₁ = 6
  • x₂ = 5
  • y₁ = -3
  • y₂ = 1

Change in x can be calculated by subtracting the value of x₁ = 6 from x₂ = 5.

Change in x = Δx = x₂ - x₁ = 5 - 6 = -1

Thus, the change in x = Δx =  -1

5 0
2 years ago
Find the solutions for a triangle with a = 16, c =12, and B = 63º.
maks197457 [2]

Answer:

b. A = 71.6°; C = 45.40°; b =15.0

Step-by-step explanation:

The missing values can be found with the help of the Law of Cosine and properties of triangles:

Side b (Law of Cosine)

b = \sqrt{a^{2}+c^{2}-2\cdot a \cdot c \cdot \cos B}

b = \sqrt{16^{2}+12^{2}-2\cdot (16)\cdot (12) \cdot \cos 63^{\circ}}

b \approx 15.022

Angle A (Law of Cosine)

\cos A = -\frac{a^{2} - b^{2}-c^{2}}{2\cdot b \cdot c}

\cos A = - \frac{16^{2}-15.022^{2}-12^{2}}{2\cdot (15.022)\cdot (12)}

\cos A = 0.315

A= \cos^{-1} 0.315

A \approx 71.639^{\circ}

Angle C (Sum of internal angles in triangles)

C = 180^{\circ} - 63^{\circ} - 71.639^{\circ}

C = 45.361^{\circ}

Hence, the right answer is B.

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Step-by-step explanation:

V = 4/3 × 22/7 × 3³

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