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kirill115 [55]
3 years ago
12

What is the volume of a cone with a radius of 4 centimeters and a height of 9 centimeters? Use 3.14 to estimate p.

Mathematics
2 answers:
lilavasa [31]3 years ago
6 0
The volume is 150.8 cm³


Marysya12 [62]3 years ago
4 0
R=4  h=9  9x16.7 because it equals to 150.8 which is the volume V=150.8  
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5 times 395 using properties of operations
DochEvi [55]

Hello there!

<u><em>Answer: ⇒⇒=1975</em></u>

_______________________________________________________

Step-by-step explanation:

First you had to multiply by the number.

395*5=1975

1975 is the right answer.

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Hope this helps!

Thank you for posting your question at here on brainly.

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6 0
3 years ago
Why does 30+(-8)+(-6) equal 16? I'm so confused on this one
Daniel [21]
30+(-8)+(-6)
30-8-6
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5 0
3 years ago
Read 2 more answers
Please help and please say the formula!!
Damm [24]

Answer:

B

Step-by-step explanation:

Formula: 4*((15*7)/2) + 15^2

This is the area of the four triangles combined (210 cm^2) plus the area of the square (225 cm^2)

8 0
3 years ago
In a certain country the life expectancy for women in 1990 was 45 and in 2000 it was 85?years. Assuming that life expectancy bet
Darya [45]

Answer:

49145 years

Step-by-step explanation:

In a certain country the life expectancy for women in 1990 was 45 and in 2000 it was 85?years.

Assuming that life expectancy between 2000 and 2100 increases by the same percentage as it did between 1900 and 2000,what will life expectancy be for women in 2100?

In 10 years, the expectancy increased by 85/45 = 17/9

between 2000 and 2100, it will increas by 10 time 10 years, so expected expectancy is  85*(\frac{85}{45})^{10} = 49145  years

4 0
3 years ago
F(x)=-2(x-3)(x+5) convert quadratic functions to standard form​
jasenka [17]

Answer:

The answer is: f(x) = -2x^2 - 4x + 30

Step-by-step explanation:

Given:

f(x)=-2(x-3)(x+5)

Solve (x-3)(x+5) first, then multiply by -2:

f(x) = -2[(x - 3)(x + 5)]

f(x) = -2[x^2 -3x + 5x - 15]

f(x) = -2[x^2 + 2x - 15]

f(x) = -2x^2 - 4x + 30

Hope this Helps!! Have an Awesome Day!! (-:

4 0
3 years ago
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