Answer:
27.72litres=27.72×1000 cm^3
(¡)Height of cylinder=27720×7/(22×21^2)=20cm
Step-by-step explanation:
(¡)First convert litres in to cm^3 take it as the volume of the cylindrical container
(¡¡)Then use V=22/7×r^2×h equation and substitute the values to V and r. Then find the value of h
#V=27.72×1000 (V= volume)
# r = 42/2=21 (r = radius)
10% of a mile is 528ft, 1 meter is about 3 feet
Answer:
B. 5 rolls
Step-by-step explanation:
The areas of the room, not including the ceiling, are discriminated as follows:
Longer walls: 
(6 inches equals one foot)
Shorter walls: 
(6 inches equals one foot)
Window area: 
Door area: 
Area that will be effectively covered:
Total area to wallpaper: 
Amount of paper needed: 
That is, the area of a roll of paper is 
Number of rolls needed:
rolls
Answer:
Neema should get one box.
Step-by-step explanation:
Neema has 10 friends and each friend wants 2 cookies. 2x10 = 20 cookies, the exact amount that is included in a single box. So Neema only needs to get one box to satisfy everyone.
<em><u>Answer: =200</u></em>
Step-by-step explanation:
This question it's about PEMDAS. This lesson it's about order of operations. p-parenthesis, e-exponents, m-multiply, d-divide, a-add, and s-subtract. It can also go left to right. multiply by the numbers. product it's going to be multiply by the numbers, fractions, factors, and multiples.
5*40=200
40*5=200
200/5=40
200/40=5
Hope this helps!
Thanks!
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