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Levart [38]
4 years ago
13

Find the volume of a right circular cone that has a height of 2.5 ft and a base with a diameter of 5.2 ft. Round your answer to

the nearest tenth of a cubic foot.
Mathematics
1 answer:
Allisa [31]4 years ago
7 0

Answer: volume of cone = 14.2 ft³

Step-by-step explanation:

The formula for determining the volume of a cone is expressed as

Volume = 1/3πr²h

Where

h represents the height of the cone

r represents the radius of the cone

π is a constant whose value is 3.14

From the information given

Height = 2 feet

Diameter of circular base = 5.2 feet

Radius = diameter/2 = 5.2/2

Radius = 2.6 feet

Therefore,

Volume of cone = 1/3 × 3.14 × 2.6² × 2

Volume of cone = 14.2 ft³ to the nearest tenth of a cubic foot

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Solve the simultaneous equations
Contact [7]

Answer:

The solution for given system of equations is: x = 6 and y = 3

Or

(6,3)

Step-by-step explanation:

Given equations are:

3x+4y=30\ \ \ Eqn\ 1\\3x-y=15\ \ \ \ Eqn\ 2

There are three methods to solve simultaneous equations

  1. Elimination
  2. Substitution
  3. Co-efficient method

We will use the elimination method as the coefficients of x in both equations are already same

Subtracting equation 2 from equation 1

3x+4y - (3x-y) = 30-15\\3x+4y-3x+y = 15\\5y = 15\\\frac{5y}{5} = \frac{15}{5}\\y = 3

Putting y = 3 in equation 2

3x-3 = 15\\3x = 15+3\\3x = 18\\\frac{3x}{3} = \frac{18}{3}\\x =  6

Hence,

The solution for given system of equations is: x = 6 and y = 3

Or

(6,3)

7 0
3 years ago
Alice is a waitress at Angelina's her first table bill was for $82.00. They left her a 16% tip, how many did she make in tips fr
Alona [7]

Answer: Option D) $13.12

Step-by-step explanation:

Alice submitted a bill of $82.00 at her first table, of which a tip of 16% was also given her.

So, to calculate the tip we say 16% of $82

i.e 16% of $82.00

= (16/100) of $82.00

= 0.16 x $82.00

= $13.12

Thus, Alice made $13.12 in tips at her first table at Angelina

7 0
4 years ago
Read 2 more answers
ABC =~~ CBD true or false
Maru [420]
This answer is that it is true
3 0
4 years ago
Can somebody please help me
andrew11 [14]

Answer:

39

Step-by-step explanation:

78/2 = 39

5 0
3 years ago
Can you please answers my question
aev [14]
The Answer is 5 groups
6 0
3 years ago
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