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3 years ago

What is the area of a circle with a circumference of 75.36?

Mathematics

1 answer:

Aliun [14]3 years ago

6 0

Hi I am trying almost finished

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Find the volume of a right circular cone that has a height of 15.2 cm and a base with a diameter of 11.9 cm. Round your answer t

postnew [5]

9514 1404 393

Answer:

563.5 cm³

Step-by-step explanation:

Use the formula for the volume of a cone:

V = (1/3)πr²h

Recognize that the radius is half the diameter:

r = (11.9 cm)/2 = 5.95 cm

V = (1/3)π(5.95 cm)²(15.2 cm) ≈ 563.516 cm³

The volume of the cone is about 563.5 cm³.

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<em>Additional comment</em>

If you use 3.14 for the value of π, then the result will be 563.2 cm³.

3 0

3 years ago

The sum of x and 8 is less than or equal to 24

pogonyaev

Answer:

X = 16

Step-by-step explanation:

7 0

3 years ago

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10 points Please help no Explanation needed A B C D

Soloha48 [4]

Answer:

Step-by-step explanation:

4 0

3 years ago

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A pair of dice is rolled, and the sum of the numbers is either 7 or 11. What is the probability of this event?

AfilCa [17]

Answer: $\dfrac{2}{9}$

Step-by-step explanation:

Let A be the event that the sum is 7 and and B be the event that the sum is 11 .

When two pair of dices rolled the total number of outcomes = $n(S)=6\times6=36$

The sample space of event A ={(1,6), (6,1), (5,2), (2,5), (4,3), (3,4)}

Thus n(A)= 6

The sample space of event B = {(5,6), (6,5)}

n(B)=2

Since , both the events are independent , then the required probability is given by :-

$P(A\cup B)=P(A)+P(B)\\\\=\dfrac{n(A)}{n(S)}+\dfrac{n(B)}{n(S)}=\dfrac{6}{36}+\dfrac{2}{36}=\dfrac{8}{36}=\dfrac{2}{9}$

Hence, the required probability = $\dfrac{2}{9}$

7 0

3 years ago

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2k•squared• + 7 - 15<br> factoring ax•squared•+bx+c

Rainbow [258]

Calculate Δ = b^2 -4ac => Δ = 169 => k1 = 3/2; k2 = -5 => 2k^2 + 7k - 15 = 2*(k -3/2)(k+5) = (2k - 3)(k+5);

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4 years ago