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Andrei [34K]
3 years ago
11

a gardener uses a tray of 6 conical pots to plant seeds. each conical pot has a radius of 3 centimeters and a depth of 8 centime

ters. about how many cubic centimeters of soil are needed to plant the full tray? round to the nearest cubic centimeter. 226 cm3 301 cm3 452 cm3 678 cm3
Mathematics
2 answers:
GarryVolchara [31]3 years ago
6 0

Answer:

on edge its c

Step-by-step explanation:

lubasha [3.4K]3 years ago
3 0
The volume of a cone is one-third of the product of the area of the base times the height, i.e.

(1/3)π(r^2)*h = (1/3)π(3cm)^2 *(8cm) = 75.40 cm^3

Now multiply that by the number of cones: 6 * 75.40 cm^3 = 452.40 cm^3.

Then the answer is 452 cm^3
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for a science experiment marcia dissolved 1.0 kilograms of salt in 3.0 liters of water for a different experiment Bobby dissolve
Kay [80]
Marcia dissolved 1 kg of salt in 3 litres of water.
Bobby dissolves 2 pounds of salt in 7 pints of water
2.11 pints = 1 litre
7 pints = 7/2.11
           = 3.32 litre
1 pound =0.45 kg
2 pound = o.45*2 kg
               = 0.9 kg
So we find that Bobby is dissolving 0.9kg of salt in 3.32 litre of water
Marcia is dissolving 1 kg of salt in 3 litres of water.
So it can be said that Marcia made a more concentrated salt solution.

7 0
3 years ago
A rectangular gasoline tank can hold 49.0 kg of gasoline when full. what is the depth of the tank (in m) if it is 0.400 m wide b
Arturiano [62]
We know that

<span>ρ = density of gasoline = 737 kg/m³ (at T = 60°F = 15.6°C)
</span>ρ = m/V
ρV = m
V = m/ρ
V = 49.0 kg / 737 kg/m³
<span>V = 0.066 m³ 

[volume of the tank]=L*W*H-----> H=volume/[L*W]----> H=0.066/(0.9*0.4)
H=0.1833 m

the answer is
t</span><span>he depth of the tank is 0.18 m</span>


5 0
3 years ago
Work out the area of a circle
stellarik [79]

Answer:

50.24

Step-by-step explanation:

A= πr2

314/100×4×4=50.24

5 0
3 years ago
Read 2 more answers
Find the area of this semi-circle with radius, r = 66cm. Give your answer rounded to 1 DP.​
Darya [45]

Answer:

414.857143

Step-by-step explanation:

r=66

=2*66*22/7

=414.857143

4 0
2 years ago
I don’t understand this helpppppp
zlopas [31]

Answer:

180°

Step-by-step explanation:

∠LMN = 90° and is the angle in a semicircle, thus

LN is the diameter of the circle and the measure of arc LPN is

m arc LPN = 180°

5 0
3 years ago
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