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stiks02 [169]
2 years ago
15

a solid sphere is cut into 12 equal wedges. the volume of each wedge is V=1/9πr^3. solve the formula for r.

Mathematics
1 answer:
olga nikolaevna [1]2 years ago
5 0

The formula, solved for r is r = ∛(9V/π)

<h3>Subject of formula </h3>

From the question, we are to solve for r is the given formula

The given formula is

V = 1/9πr³

Multiply both sides of the equation by 9 to get

9V = πr³

Now, divide both sides by π

∴ r³ = 9V/π

r = ∛(9V/π)

Hence, the formula, solved for r is r = ∛(9V/π)

Learn more on Subject of formula here: brainly.com/question/1463152

#SPJ1

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Solve the system by substitution.
tino4ka555 [31]
As we know y=3/4x-3
Let's put it in the second equation
3/4x-3=1/4x+1
3/4 x -1/4 x = 1+3
2/4 x = 4
X= 4*4/2
x=8
Put x= 8 in first equation
y= 3/4 *8 -3
y=6-3
y=3
Check the answer
3=3/4 *8 -3
3=6-3
3=3
Correct
So(y, x) = (3,8)
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3 0
3 years ago
The minibus runs at 16 miles to a gallon of diesel. Diesel costs £1.43 per litre. There are 4.55 litres to a gallon.
melomori [17]

Answer: it will cost £78.0672 to travel the 192 miles to Brighton.

Step-by-step explanation:

The minibus runs at 16 miles to a gallon of diesel. If there are 4.55 litres to a gallon and diesel costs £1.43 per litre, it means that the cost of a gallon of diesel would be

4.55 × 1.43 = £6.5056

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Therefore, the amount that it will cost to travel the 192 miles to Brighton would be

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3 years ago
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Mrac [35]
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100 + x² = x²+4x+4

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x=24, the height we are looking for
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Answer:

the answer is 17

Step-by-step explanation:

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