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3 years ago

The leftmost digits of rwo nunbers are 8 and 3 which one is greater

Mathematics

1 answer:

makvit [3.9K]3 years ago

7 0

EIGHT WOULD BE GREATER

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2 years ago

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Is 5,000 cm greater than 5 m

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3 years ago

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The radius of a cylinder is doubled and its height is halved. Find the ratios of their surface areas.

Inessa [10]

Answer: 1:1

Step-by-step explanation:

Let r be the radius and h be the height of a cylinder.

Formula: Curved surface area of cylinder = $2\pi rh$

Now, if radius of a cylinder is doubled and its height is halved, then new radius will be R= 2r and new height will be $H=\dfrac{1}{2}$

Now, new surface area = $2\pi RH= 2\pi(2r)\dfrac{h}{2}= 2\pi rh$

Ratio of curved surface areas : $\dfrac{\text{Surface area}}{\text{New surface area}}=\dfrac{2\pi rh}{2\pi rh}=\dfrac{1}{1}$

Hence, the ratios of their surface areas = 1:1 .

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3 years ago

A container is 24 m long, 9 m wide and 8 m high.

GuDViN [60]

Answer:

900,000 books.

Step-by-step explanation:

The volume of the container = 24 * 9 * 8

= 1728 m^3

The volume of each book = 20*16*6 = 1920 cm^3

There are 100*100*100 = 1,000,000 cm^3 in 1 m^3.

So the number of books the container can hold

= (1728 * 1000000) / 1920

= 900,000.

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3 years ago

Please need help with this assignment… thx

Citrus2011 [14]

Answer:

1.length = 15, width = 12, height = 13

2. 13 × 12 × 15 = 2340

Step-by-step explanation:

3 ÷ 1/4 = 12

3 3/4 = 15/4

15/4 ÷ 1/4 = 15

3 1/4 ÷ 1/4 = 13

length = 15

width = 12

height = 13

13 × 12 × 15 = 2340

5 0

2 years ago