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vekshin1
3 years ago
12

Sam said the square root of a rational number. Jenna disagreed. She said that it is posible that the square root of a rational n

umber can be irrational. Who is correct and why?
Mathematics
1 answer:
lapo4ka [179]3 years ago
8 0

Answer:

Jenna is correct.

Step-by-step explanation:

I will assume that is what you meant.

Jenna is correct .

The square root of 4 ( = 2) is rational but,

for example,  2 is a rational number but the square root of 2 is irrational. Try finding the square root of 2 on your calculator. Your answer will be something like 1.414213562 but  that decimal fraction goes on without bounds. No calculator will ever have enough memory to store that number!!

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Answer:

The volume of soil in Darren's planter box is 56 feet³

Step-by-step explanation:

The formula of the volume of a rectangular box is V = l × w × h, where l is its length , w is its width and h is its height

∵ Darren's planter box is seven feet long and four feet wide

∴ l = 7 feet

∴ w = 4 feet

<em>The volume of the soil is equal to the volume of the box using the height of the soil, because the soil takes the shape of the box, so they have the same dimensions of the base</em>

∵ Darren fills the planter box with soil to a height of two feet

∴ h = 2 feet

- Substitute the values of l, w and h in the formula of the volume

∵ V = 7 × 4 × 2

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The volume of soil in Darren's planter box is 56 feet³

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