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3 years ago

Can someone Simplify the following expression.

Mathematics

1 answer:

astraxan [27]3 years ago

6 0

Answer:

Step-by-step explanation:

9^(1/2) =3

this expression is : 3(r^(5/2) ×r^(-1) )(t×t^(1/2))

3r^(5/2 - 1)×t^(1+1/2)

3^(1/2)×t^(3/2)...... answer : 2

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In 2016, 1 out of every 5 people under the age of 50 used a cell phone to read e-books. If there were approximately 225 millio

statuscvo [17]

Answer: 45

Step-by-step explanation:

In 2016, 1 out of every 5 people under the age of 50 used a cell phone to read e-books. This means that 2 out of every 10 people under the age of 50 used a cell phone to read e-books. Also, 3 out of every 15 people under the age of 50 used a cell phone to read e-books.

Therefore, if there were x people under the age of 50 in 2016, then the number that used a cell phone to read e-books would be

1/5 × x = x/5

If there were approximately 225 million people under the age of 50 in 2016, then the number that were likely to have read an e-book on a cell phone is

225/5 = 45 people.

3 0

3 years ago

Evaluate 16^1/2 and show work

LUCKY_DIMON [66]

Here is your answer

${16}^{1/2} = ({4}^{2})^{1/2}\\= {4}^ {2× 1/2}\\= 4$

HOPE IT IS USEFUL

4 0

3 years ago

to train for a race, you plan to run 1 mile the first week and double the number of miles each week for five weeks. How many mil

SashulF [63]

Answer:

16 Miles

Step-by-step explanation:

For every week you simply multiply the number of miles from the previous week by 2, therefore

Week 1: 1

Week 2: 2

Week 3: 4

Week 4: 8

Week 5: 16

3 0

2 years ago

Could you please help me to solve this query??

galina1969 [7]

Answer:

Show me problem

Step-by-step explanation:

I need a problem to solve it

3 0

3 years ago

HELPP AGAIN PLEASEEEEEE

LUCKY_DIMON [66]

Answer:

I believe it’s 9 1/4

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers