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laiz [17]
11 months ago
6

Elizabeth wants to use a sheet of fiberboard 27 inches long to create a skateboard ramp with a 17^{\circ}

Mathematics
1 answer:
erma4kov [3.2K]11 months ago
3 0

The height of the ramp above the ground from its highest end is 7.9 inches.

<h3>What is height?</h3>

Height is the vertical distance between two points.

To calculate the height of the ramp above the ground, we use the formula below.

Formula:

  • h = Lsin∅............. Equation 1

Where:

  • h = Height of the ramp above the ground
  • L = Length of the fiberboard
  • ∅ = Angle of elevation from the ground

From the question,

Given:

  • L = 27 inches
  • ∅ = 17°

Substitute these values into equation 1

  • h = 27×sin17°
  • h = 7.89
  • h ≈ 7.9 inches

Hence, the height of the ramp above the ground is 7.9 inches.

Learn more about height here: brainly.com/question/23144757

#SPJ1

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Answer: 2,944,321

Step-by-step explanation: Use long addition and evaluate.

Hope this helps you out! ☺

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It's just a faster way of adding.

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WILL MARK BRAINLIEST FOR BEST ANSWER! SERIOUS ANSWERS ONLY!
alexira [117]

Answer:

Step-by-step explanation:

2081.25 ; 2312.50 ; 2543.75 ; ..... 7500

a= 2081.25

d = 231.25

t_{n}= 7500

a + (n-1)d = t_{n}

2081.25 + (n-1) * 231.25 = 7500

(n -1) *231.25 = 7500 - 2081.25

231.25n - 231.25 = 5418.75

231.25n = 5418.75 + 231.25

231.25n = 5650

n = 5650/231.25  = 565000/23125

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Yvonne ran up 1/4 of the total flights of staris in an office building and walked up the rest of she
Korolek [52]
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Explanation:
Understand the situation:

Yvonne ran up 1/4 of the total stairs. Afterwards, she walked the REST of the stairs, which is said to be 9 STAIRS. HOW MANY flights of stairs IN TOTAL did she run up?

When she ran the REST of the stairs, it meant she ran the other 3/4 of stairs because:
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To add someting, that means that the 9 stairs is 3/4 of the total stairs, so lets fins the total stairs using this information:
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LETS CHECK IF 9 IS REALLY 3/4 of 12:
12 x 3/4 = 9

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