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posledela
3 years ago
13

the formula for the volume of a cylinder is v = πr2h. the volume of a cylinder is three times the volume of a cone with the same

radius and height. if the volume of a cone with the same height as a cylinder equals the volume of the cylinder, the equation for the radius of cone r in terms of the radius of cylinder r is
Mathematics
1 answer:
Readme [11.4K]3 years ago
7 0
Let R be radius of cylinder and r the radius of cone.
πR^2h = 1/3πr^2h
R^2 = 1/3r^2
r^2 = 3R^2
r = sqrt(3) x R
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(3×10 – 4)(2×1010) whats the scientific notion
Rudik [331]

The result of the multiplication in scientific notation is given by:

6 \times 10^{6}

<h3>What is scientific notation?</h3>

A number in scientific notation is given by:

a \times 10^b

With the base being a \in [1, 10).

When we multiply two numbers in scientific notation, we multiply the bases and add the exponents.

For this problem, the numbers are given by:

3 \times 10^{-4}, 2 \times 10^{10}

The result of the multiplication is given by:

3 \times 10^{-4} \times 2 \times 10^{10} = 6 \times 10^{-4 + 10} = 6 \times 10^{6}

The result of the multiplication in scientific notation is given by:

6 \times 10^{6}

More can be learned about scientific notation at brainly.com/question/16394306

#SPJ1

6 0
1 year ago
2÷(−2)=?2, divided by, left parenthesis, minus, 2, right parenthesis, equals, question mark
dolphi86 [110]

Answer:

2÷(−2) = -1

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
The area of a square is 32 cm. find the length of the diagonal
Over [174]

Answer:

8 cm

Step-by-step explanation:

Squares have equal side lengths so if we call each side x, then x × x gives us the area (32 cm²). This means that x² = 32 and therefore, one side is √32 cm.

Next, to work out the diagonal we can use Pythagoras' theory, since we can form a right-angled triangle. a² + b² = c² (c is the diagonal or the hypotenuse)

(√32)² + (√32)² = c²

(note: the square and the square root cancel out)

32 + 32 = 64

c² = 64 ∴ c = √64 which is 8

Hope this helps!

4 0
2 years ago
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What are the solutions of 3(2m − 1) ≤ 6m − 2?
kaheart [24]

Hello from MrBillDoesMath!

Answer:

The solution set is the set all all real number m

 

Discussion:

3(2m-1) <= 6m-2       =>

3*2m - 3*1 <= 6m-2  =>

6m - 3 <.= 6m-2       =>   (Subtract 6m from both sides)

0-3 <= -2     =>

-3 < = -2      


As -3 <=-2 is always true the solution set is the set all all real number m

Regards,  

MrB


4 0
3 years ago
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Viktor [21]

Answer:

i think the answer is A. 14 surfaces with glue on them

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