1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
KIM [24]
3 years ago
7

Please help me with this!!!

Mathematics
1 answer:
telo118 [61]3 years ago
5 0

Answer:

314 m³

Step-by-step explanation:

The volume (V) of a cone is calculated using the formula

V = \frac{1}{3}πr²h

where r is the radius and h the perpendicular height

To find h use the right triangle from the vertex to the midpoint of the base and the radius.

Using Pythagoras' identity on the right triangle

where the slant height is the hypotenuse, then

h² + 5² = 13²

h² + 25 = 169 ( subtract 25 from both sides )

h² = 144 ( take the square root of both sides )

h = \sqrt{144} = 12, hence

V = \frac{1}{3}π × 5² × 12

   = π × 25 × 4 = 100π ≈ 314 m³

You might be interested in
What is 1.5 Devided by 1
VARVARA [1.3K]

Answer:

1.5

Step-by-step explanation:

Anything divided by 1 is itself

6 0
3 years ago
Read 2 more answers
Find a formula for the nth term
Delvig [45]
Nth term is -0.2n + 2.7
3 0
2 years ago
Verify this identity: secx-cosx = 1-cos^2x/cosx
Sauron [17]

Step-by-step explanation:

sec x − cos x

Secant is the inverse of cosine:

(1 / cos x) − cos x

Find the common denominator:

(1 / cos x) − (cos² x / cos x)

Subtract:

(1 − cos² x) / cos x

5 0
3 years ago
What percent of 75 is 25
nikdorinn [45]
P / 100 = 25 / 75;

p = 2500 / 75 ;

p = 33.33;

p% = 33.33%
4 0
3 years ago
a tour-bus operator sold $1,517 worth of tickets for a trip to Niagara Falls. Each tickets cost the same amount and could be pai
prisoha [69]

We will make use of the concept of prime factors for solving this question. The prime factors of 1517 are:

1517=37\times 41

So, as can be clearly seen the Niagara Fall tour operator can either sell 37 tickets for $41 each or 41 tickets for $37 each.

Now, we know that we cannot reach $37 using just three bills. Thus, the only option left to us is $41 which can be broken down into three bills of $20,$20 and $1. This satisfies our condition.

Thus the cost of a ticket was $41 and 37 such tickets were sold.

3 0
3 years ago
Other questions:
  • What type of triangle is this? Side lengths of 7.36 m, 3.16 m, and 5.45m and angles that measure 43degrees, 23 degrees, and 114d
    5·2 answers
  • How to find the intersection of a circle and parabola?
    6·1 answer
  • One day, River writes down the numbers 1, 2,...., 999 What is the sum of all the digits that River wrote down? And what is the n
    11·1 answer
  • (Use photo ) find the length of the hypotenuse in each right triangle. Please show work and round to the nearest tenth,if necess
    6·1 answer
  • What’s -13 = 4(5x - 1) - 11x
    11·2 answers
  • The question is on the sheet ​
    13·2 answers
  • Answer this please i am stuck
    15·2 answers
  • Which expression best represents the phrase"7 less than the quotient of 2x and 5"
    12·1 answer
  • Which of the decimals or fractions is not equal to 0.825 or ?
    10·1 answer
  • Pls help
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!