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Paraphin [41]
3 years ago
5

I need to write this problem out on paper and show my work. The lesson says to times both decimals by 10 to make them whole numb

ers but I don't understand, thank you!

Mathematics
2 answers:
ivanzaharov [21]3 years ago
8 0
When you multiply a decimal by 10, you move the decimal two places to the right.( this is so you can divide properly).
for ex.
0.07 is going to be 7 when you multiply by 10. you do the same for 1.68, and get 168.
now you can divide!:)
7<span>÷168</span>
galben [10]3 years ago
6 0
You actually need to multiply both numbers by 100 to make them whole numbers. When you multiply by 10 the decimal moves 1 place to the right. When you multiply by 100 you move the decimal on both numbers 2 places to the right so the problem becomes

168 ÷ 7
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The sum of the two smaller sides must be greater than longest side.

A) 3+2 > 7 ..... False

B) 6+10 > 14   ... True

C) 3+2 > 5   ....False

D) 23+18 > 42  ....False

Answer is B
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3 years ago
PLEASE HELP ASAP !!!! <br> Samantha says that (6^4)^-3 = 6. is she correct ? why or why not ?
Sphinxa [80]
Hey there! Let’s solve the question first.

(6^4)^-3= 4.593 or 4.6

The reason behind this, 6^4=1296^-3

And 1269^-3= 4.593 or 4.6

Hope this helps!
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3 years ago
Can someone help please??
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Valentin [98]

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7 0
2 years ago
ace bike rentals rents bikes for $28 per day. Renters can keep the bike for 8 hours. Bart's bikes rents bikes for $30 per day. R
lyudmila [28]

Bart company charges a lower rate. It is lower by rate $ 0.5 per hour

<h3><u>Solution:</u></h3>

Given that Ace bike rentals rents bikes for $28 per day. Renters can keep the bike for 8 hours

Also given that Bart's bikes rents bikes for $30 per day. Renters can keep the bike for 10 hours

To find: company that charges lower rate

Let us find the hourly rate of Ace and Bart

\text {hourly rate }=\frac{\text { Rental price }}{\text { total time in a day }}

<em><u>Hourly rate of Ace company:</u></em>

Rental price = $28

total time in a day 8 hours

\text {hourly rate }=\frac{28}{8}=3.5

So the hourly rate of Ace company is $ 3.5 per hour

<em><u>Hourly rate of Bart company:</u></em>

Rental price = $ 30

total time in a day 10 hours

\text {hourly rate }=\frac{30}{10}=3

So the hourly rate of Bart company is $ 3 per hour

<em><u>Comparing hourly rate of both companies</u></em>

Ace company is $ 3.5 per hour

Bart company is $ 3 per hour

Bart company < Ace company

3 < 3.5

Thus bart company charges a lower rate

<h3><em><u>How much lower?</u></em></h3>

hourly rate of Ace company - hourly rate of Bart company = 3.5 - 3 = 0.5

So, it is lower by rate $0.5 per hour

6 0
3 years ago
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