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Elena L [17]
3 years ago
9

A tank is filling with water from a natural spring. Two days ago the water was ten feet deep, and yesterday the water was 12 fee

t deep. Assume that the water depth continues to rise at this same rate after today.  How do I write the expression for this word problem?
Mathematics
1 answer:
Gennadij [26K]3 years ago
4 0
2d + 14 ( "d" is the number of days after today, and "14" comes from how many feet deep the water is today)
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Step-by-step explanation:

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a^2+b^2=c^2.

"a" and "b" are the values of the legs of the triangle, while "c" is the measure of the hypotenuse. We know that 8cm is the measure of one of the legs, and 14 cm is a measure of the hypotenuse.

8^2+b^2=14^2 simplified: 64+b^2=196

Then, I subtracted 64 on both sides, so I would have "b" by itself.

b^2=132

Next, I found the square root of both b^2 and 132, so I would find the true value of "b."

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