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Neporo4naja [7]
3 years ago
9

The diagram shows the dimensions of the pool cover for a hotel pool.

Mathematics
1 answer:
vlabodo [156]3 years ago
7 0

Step-by-step explanation:

if pool is like cylinder

area =πr²h

if pool is cuboid

then area =2(lh+bh+lb)

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15. A cylindrical glass 10 cm tall and 8 cm in diameter is filled to 1 cm
ANTONII [103]

Answer:

No. The new height of the water is less than the height of the glass(6.33 cm<10 cm)

Step-by-step explanation:

-For the water in the glass to overflow, the volume of the inserted solid must be greater than the volume of the empty space or the ensuing height of  water >height of glass.

#Volume of the golf ball:

V=\frac{4}{3}\pi r^3\\\\=\frac{4}{3}\pi \times 4^3\\\\\approx 268.08\ cm^3

#The volume of the water in the glass:

V=\pi r^2 h\\\\=\pi \times 4^2\times 10\\\\\approx 50.27\ cm^2

We then equate the two volumes to the glass' volume to determine the new height of the water:

V=\pi r^2h\\\\(206.08+50.27)=\pi r^2 h\\\\h=318.35/(\pi \times 4^2)\\\\=6.33\ cm

Hence, the glass will not overflow since the new height of the water is less than the height of the glass(6.33 cm<10cm).

4 0
3 years ago
2 Points
Nesterboy [21]

Answer:105

Step-by-step explanation:55-66=74 74times

3 0
3 years ago
16
Papessa [141]

.16666667 is your answer u have to round up the last number tho

6 0
3 years ago
there are seven people and Luisa's family they have four loaves of cinnamon bread to share equally Luisa wants to know how much
makvit [3.9K]

Answer:

\frac{4}{7} of a loave of bread per person

Step-by-step explanation:

<u>Step 1:  Convert words to expressions </u>

Seven people in Luisa's Family = <em>7 people </em>

Four loaves of cinnamon bread = <em>4 loaves </em>

<u>Step 2:  Divide people from loaves </u>

4 loaves / 7 people  <-  This means they are splitting 4 loaves of bread between 7 people

\frac{4}{7} of a loave of bread per person

Answer:  \frac{4}{7} of a loave of bread per person

7 0
3 years ago
Can someone please help me?​
Oliga [24]

Answer: the water increases by 2 every hour

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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