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ArbitrLikvidat [17]
3 years ago
7

A sand dune stands 5 feet above sea level. The hill is eroding at a rate of 1 foot per 20 years. Let y represent the height of t

he sand dune after x years. Which equation represents the situation?

Mathematics
2 answers:
In-s [12.5K]3 years ago
8 0

Answer:

y=-1/20x+5

Step-by-step explanation:

Andrews [41]3 years ago
3 0
The situation will be represented by linear equation, this is given by:
y=ax+b
where:
a=slope=rate
b=y-intercept
from our situation:

a=-1/20
b=5 ft
thus the equation modeling the situation will be:
y=-1/20x+5

Answer: y=-1/20x+5
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Nadusha1986 [10]
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5 0
3 years ago
X -3y = -13 and 4x + 2y = 4
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Answer: x=−1 and y=4

Step-by-step explanation:

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One plane leaves an hour after another plane. The first plane travels at 400mph. How fast must the second plane travel to catch
Dovator [93]

Answer:

200 mph

Step-by-step explanation:

Ⓗⓘ ⓣⓗⓔⓡⓔ

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Plane b: x mph

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(っ◔◡◔)っ ♥ Hope this helped! Have a great day! :) ♥

BTW, brainliest would be greatly appreciated, I only need one more before I advance, thanks!

Also, I may have done something wrong, please tell me if it's incorrect!

4 0
3 years ago
Read 2 more answers
Anna cuts four identical circles from a square piece of black poster board as shown. What is the area of the left over poster bo
nydimaria [60]
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Multiply by 4
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To find leftover you need to subtract 12.56 ft from 16 ft to get 3.44 ft squared(A).
6 0
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