2 years ago

If a sprinkler Waters 1/20 of a lawn in 1/5 of an hour, how much time will it take to water the entire lawn?

Mathematics

1 answer:

loris [4]2 years ago

6 0

4hrs, I think, because 20 divided by 5 is 4.

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Can someone step by step explain the answer please

Vinvika [58]

Answer: z = $\sqrt{10}$

Step-by-step explanation:

To find z, you must set up a proportion to solve.

To find the altitude of a special right triangle, the formula is:

$\frac{a}{x} =\frac{x}{b}$

You can use 5 as a and 2 as b to complete the proportion:

$\frac{5}{z} =\frac{z}{2}$

Next, to solve:

Step 1: Cross-multiply.

$\frac{5}{z} =\frac{z}{2}$

(5)*(2) = z*z

10 = z²

Step 2: Take square root.

10 = z²

√10 = z

I hope this helps!

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If he sold 1/35 to a used store than he actually only sold 1.

To solve it with mathmatically you would do. (1/35)×(35)=1.

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