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Citrus2011 [14]

3 years ago

10

Working alone, it takes Micaela eight hours to mop a warehouse. Jill can mop the same warehouse in 12 hours. Find how long it wo

uld take them if they worked together

1 answer:

Mnenie [13.5K]3 years ago

6 0

Answer:

5 hours?

Step-by-step explanation:

normally, two people would cut the time in half, but she takes forever. half of 12 is 6, half or 8 is 4, so 5, right? the medium answer

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ZanzabumX [31]

S > less than or equal to 130
d < greater than or equal to $500

4 0

2 years ago

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Which fraction is easier to convert into a decimal?<br><br> 11/18 or 43/50, explain

alexgriva [62]

43/50 is easier because 50 is half of 100

Watch this

43/50. Since 50 is HALF of 100 so we multiply 2 by 50 which is 100. But since we multiplied by 2 for the denominator we have to do the same for the numerator so 43 x 2 is equal to 86.

So we get 86/100 which is 0.86

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2 years ago

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The volume of a cylinder of radius 3r and height 6r is given by TT(3r)2(6r). Simplify the expression.

OLga [1]

Answer: $\pi 36r^{2}$

Step-by-step explanation:

ALRIGHT ARE YOU READY FOR EPIC MATH TIME?

because i know i am. so lets get this bread.

WATCH: we have $\pi (3r)2(6r)$

interesting... that first character is called pi. maybe i should have said, "lets get this pi".

so now lets do some algebra. i am going to work from right to left. lets multiply 6r by 2. that gives us 12r. now we have... $\pi (3r)(12r)$

WE ARE MAKING EPIC PROGRESS, AREN'T WE?

lets multiply 12r by 3r. then we have....

$\pi 36r^{2}$

notice how i multiplied 12 by 3 and also r by r (which gives 36 and $r^{2}$ respectively)

so your simplified expression is: $\pi 36r^{2}$

6 0

2 years ago

Evaluate the expression: m-3n when m=8, n=2<br><br> A. 10<br> B. 2<br> C. 14<br> D. 13

kvv77 [185]

I think it’s B. 2

8-3(2)

6 0

3 years ago

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1. Who authored the web page? How do you know?

Deffense [45]

I can’t see where someone authored this web pages and no I don’t know unless if you’ve shown me it.

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2 years ago

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