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lbvjy [14]
4 years ago
9

Selma wants to know if seventh grade students prefer to do their math homework in silence or with background music. She polled

Mathematics
1 answer:
ivolga24 [154]4 years ago
8 0

Answer:

it is C

Step-by-step explanation:

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Some one please help me on my math homework
vodomira [7]
Answer is 4 i know this answer because we do that as practice in high school
6 0
4 years ago
Enrico install the drain pipe that runs a horizontal distance of 172 inches and drops 6 inches from the horizontal is the slope
insens350 [35]
Water will run down the drain at even the slightest slope.
7 0
3 years ago
Lisa is 53 3 4 inches tall. Joey is 1 1 2 inches shorter than Lisa and Jane is 1 1 5 inches shorter than Joey. How tall is Jane?
tester [92]

Answer: Jane's height =  51\dfrac{1}{20}\text{ inches}

Step-by-step explanation:

Given: Lisa's height = 53\dfrac34\text{ inches}=\dfrac{4\times53+3}{4}\text{ inches}

=\dfrac{215}{4}\text{ inches}

Joey's height = \dfrac{215}4-1\dfrac12 inches

=\dfrac{215}4-\dfrac32\\\\=\dfrac{215-6}{4}\\\\=\dfrac{209}{4}\text{ inches}

Jane's height = \dfrac{209}{4}-1\dfrac15 inches

=\dfrac{209}{4}-\dfrac{6}{5}\\\\=\dfrac{209\times5-6\times4}{20}\\\\=\dfrac{1045-24}{20}\\\\=\dfrac{1021}{20}\\\\=51\dfrac{1}{20}\text{ inches}

Hence, Jane's height = 51\dfrac{1}{20}\text{ inches}

3 0
3 years ago
it takes an air pump 5 minutes to fill a twin sized air mattress (39 by 8.75 by 75 inches). how long will it take to fill a quee
Shalnov [3]

It take 8.205 minutes to fill a queen sized mattress.

<h3>What is volume?</h3>

'Volume' is a mathematical quantity that shows the amount of three-dimensional space occupied by an object or a closed surface.

Given dimensions:

Twin sized air mattress (39 by 8.75 by 75 inches).

Queen sized mattress (60 by 8.75 by 80 inches)

Now, Volume of twin sized mattress

=39* 8.75* 75

= 25593.35 cubic inch

Volume of queen sized mattress,

=60* 8.75* 80

= 42000 cubic inch

as, To fill 25593.35 cubic inch it takes 5  minutes

so, to fill 1 cubic inch = 5/25593.35

and, So to fill 42000 cubic inch it will take = 42000* 5/25593.35

=8.205 minutes

Learn more about this concept here:

brainly.com/question/10980137

#SPJ4

7 0
2 years ago
75 points
tekilochka [14]

-- Big D

-- little d

-- a and d

6 0
4 years ago
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