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Mekhanik [1.2K]
3 years ago
15

What is the volume of a cylinder with a height of 5.6 m and a base with a radius of 7.8 m, to the nearest tenth of a cubic meter

?​
Mathematics
2 answers:
Natalka [10]3 years ago
7 0

Answer:

1069.8 m^{3} for 3.14 as pi (go with this one if you aren't sure!)

1070.4 m^{3} for 3.14159265359 as pi

Step-by-step explanation:

The formula for a cyliner's volume is \pi *  radius^{2} * height.

3.14* 7.8^{2} * 5.6

3.14 * 60.84 * 5.6=

1069.81056

fenix001 [56]3 years ago
5 0

Answer:

the volume is 1070.35

Step-by-step explanation:

because the formula is pi x radius square x hight

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20. The total mass of three boxes, A, B, and C, is 1.95 kg. The mass of Box A is 700 g. The mass of Box B is 4 times the mass of
Ksju [112]

Answer:

<h3>Mass of B in Kg = -558.44kg</h3>

Step-by-step explanation:

LET'S DO THIS!

Total mass of A, B and C = 1.95kg

Mass of A = 700 kg

Mass of B = 4x the mass of c (4 x C) which is 4c

Mass of C = ? ( let's call it C )

<h3>Adding all together </h3>

700 + 4c + C = 1.95

<h3>Add like terms</h3>

700 + 5C = 1.95

5C = 1.95 - 700

5C = -698.05

C = -698.05 ÷ 5

<h3>C = -139.61</h3>

<h3>To find B now </h3><h3>Remember they said B is 4 times the mass of C and C = -139.61</h3>

therefore B = 4 × -139.61

<h3>B = -558.44 kg </h3>

<h3>To check if we are correct, we add the masses of A, B and C to see if it equals their total mass which is 1.95kg</h3>

<h3>Using your calculator: </h3>

= 700 + ( -558.44 ) + ( -139.61 )

= 700 - 558.44 -139.61

= 1.95 kg

Which makes us CORRECT ✅.

<h3>Hope this helps.</h3><h3>Good luck ✅.</h3>

5 0
2 years ago
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