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3 years ago

What is the square root of 64y^16?

Mathematics

2 answers:

dimaraw [331]3 years ago

5 0

$\sqrt{64y^{16}}= \sqrt{(8y^{8})^2}=8y^8$

iris [78.8K]3 years ago

3 0

8y^8. Square root of 64 is 8 and for exponents you divide by 2 to find its square root

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A go-kart can travel as far as 45 miles in 3 hours. What is its unit rate?

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Answer:

The unit rate is 15 mph.

Step-by-step explanation:

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Calculate the total<br><br> 8/10+82/100

swat32

Answer:

81/50

Step-by-step explanation:

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3 years ago

In a lottery, the top cash prize was $642 million, going to three lucky winners. Players pick five different numbers from 1 t

kramer

Answer:

$\frac{10}{53 \times 46 \times 26}$

Step-by-step explanation:

The probability of matching the number drawn on the gold ball is

$\frac{1}{46}$

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$\binom{53}{2} = \frac{53 \times 52}{2} = 53 \times 26$

Choosing 5 numbers, you are choosing 10 different pairs:

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3 years ago

Brian drives 215 miles at an average speed. He then travels 75 more miles at a speed

Sedaia [141]

His average speed for the first trip is 43 mph

Since Brian's average speed is x and he travels the first part for 215 miles in time t.

So, his distance d = xt

Also, the travels 75 more miles at a speed of 15 mph.

Since distance = speed time, the time he takes to cover this distance is

t' = distance/speed = 75 mi/15 mph = 5 hours

Since he covers both distances in the same time, we have that t = t' = 5 hours.

So, his average speed for the first trip x = d/t

= 215 mi/5 h

= 43 mph

His average speed for the first trip is 43 mph

Learn more about average speed here:

brainly.com/question/13605708

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