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3 years ago

Which statements about square roots are true? Check all that apply.

Mathematics

1 answer:

USPshnik [31]3 years ago

5 0

Answer:

The only correct answer is:

All positive numbers have two square roots

Step-by-step explanation:

This is true because in any situation all positive numbers have two square roots. For example, the square root of 25 is +/- 5 which means that 5 is a square root (because 5x5=25) and -5 is a square root (because -5x-5=25).

The others such as 18 = 9, 149 = 7, and 25 = 5 are all false statements.

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A ghost crab can travel about 12 miles every 6 hours on the ocean’s floor. How far can the crab travel in 11 hours? Explain how

iren [92.7K]

Answer:

22 miles in 11 hours!

Step-by-step explanation:

We already know a ghost crab can travel 12 miles in 6 hours.

Now, we just need to find the how many miles per hour the crab walks.

We simply divide 12 miles by 6 hours which gives us 2 miles in 1 hour.

That means, we multiply 11 by 2 which gives us 22 miles!

The ghost crab can travel 22 miles in 11 hours. When you find the rate of change by dividing 12 by 6, it gives you 2 m/h. That enables you to find the amount of miles by multiplying 11 hours by two which gives you 22!

8 0

3 years ago

What is this number in standard form?

ehidna [41]

Answer:

5,009.206

Step-by-step explanation:

7 0

2 years ago

Simplify the following radical expression : 3√12 × 5√6

Hoochie [10]

$3 \sqrt{12} *5 \sqrt{6} = 15 \sqrt{72}$ .

Simplifying the radical, we have $15 \sqrt{72} = 15*6 \sqrt{\frac{72}{6^{2}} } =90 \sqrt{2}$ , so our answer is $90 \sqrt{2}$ .

7 0

3 years ago

Solve for X. This is geometry I really need help please please.

dezoksy [38]

Answer:

x = 5.2

Step-by-step explanation:

x/(13-x) = 2/3

3x = 2(13 - x)

3x = 26 - 2x

3x + 2x = 26

5x = 26

x = 26/5

x = 5.2

6 0

3 years ago

You need to get to class, 200 meters away, and you can only walk in the hallways at about 1.5 m/s. (if you run any faster, you’l

RUDIKE [14]

Answer:

Time = 133.3 secs

Step-by-step explanation:

Speed = Distance / Time

Rearranging the formula

Time = Distance / Speed

Where D = 200 m , S = 1.5 m/s

Time = 200 / 1.5

Time = 133.3 secs

6 0

4 years ago

Read 2 more answers