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Alexus [3.1K]
3 years ago
12

You and a friend want to know how much rope you need to climb a large rock. Your friend is 5.5 feet tall and casts a shadow that

is 18 feet long. If the rock casts a shadow that is 209.5 feet long, calculate the height of the rock from the ground. Round your answer to the nearest foot. (Hint: make a drawing)
64 ft
18 ft
210 ft
219 ft
Mathematics
1 answer:
diamong [38]3 years ago
4 0
The concept that is useful in order to answer this item is the concept of ratio and proportion. Let x be the height of the rock from the ground. We use the equation below to answer.
                                    5.5 ft / 18 ft = x ft / 209.5 ft
The value of x from the equation is 64 ft. Thus, they will be needing approximately 64 ft of rope.
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3x^2-4x+1, match the following
il63 [147K]

Answer:

x = variable

3 = coefficient

1 = constant

3x^2-4x+1 = algebraic expression

2 = degree

Step-by-step explanation:

variables are typically the letters in equations (usually x and y)

coefficients are the numbers attached to the variables

constants don't have any variables attached

algebraic expressions are the full expression

degrees are the small numbers in the top right corners on either constants, variables or coefficients

Hope this helps!

8 0
3 years ago
A salesperson is paid $140 per week plus 10% commission on her weekly sales of x dollars. Find a linear function that represents
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5 0
2 years ago
Which circles have an area of 36pift2?
san4es73 [151]
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area=36pi
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7 0
3 years ago
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SCORPION-xisa [38]

Answer:

1)49

2)231

Step-by-step explanation:

1)

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8+1=9

2)

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8 0
3 years ago
Read 2 more answers
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