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Greeley [361]
3 years ago
12

If the volume of the pyramid is 72cm, what is its height in cm?

Mathematics
2 answers:
nydimaria [60]3 years ago
5 0

it is b.9 because u have to multiply (w×h×l)/3

AleksAgata [21]3 years ago
5 0

Answer:

9

Step-by-step explanation:

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Write 40% as a fraction in simplest form.
professor190 [17]

Answer:

4/10

Step-by-step explanation:

7 0
3 years ago
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The vet told Jake that his dog, Rocco, who weighed 55 pounds, needed to lose 10 pounds. Jake started walking Rocco every day and
Ilya [14]

Answer: 55-1/2w=p

Step-by-step explanation: 55 is the starting weight. Therefore, you need to subtract  55 by 1/2 (the amount of weight he loses each week) times each week. This will determines the weight- (p).

6 0
3 years ago
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Tina wrote the equations 3x - y = 9 and 4x + y + 5, What can Tina conclude about the solution to this system of equations?
Maru [420]
3x - y = 9
4x + y = 5
---------------add
7x = 14
x = 14/7
x = 2

3x - y = 9
3(2) - y = 9
6 - y = 9
-y = 9 - 6
-y = 3
y = -3

C. (2,-3) is a solution to the system of linear equations
4 0
3 years ago
Read 2 more answers
A fruit basket contains 3 mangoes 4 oranges and 3 apples. Another fruit basket contains 5 mangoes, 5 oranges and 5 apples. One b
lord [1]

If one basket is selected at random, the probability that both are mangoes is; 1/10

<h3>How to find probabilities?</h3>

Contents of first basket;

3 mangoes

4 oranges

3 apples

Contents of second basket;

5 mangoes.

5 oranges.

5 apples.

Probability of mango in first basket is = 3/10

Probability of mango in second basket is = 5/15

Thus;

Probability that both are mangoes = (3/10) * (5/15)

Probability that both are mangoes = 1/10

Read more about Probabilities at; brainly.com/question/24756209

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5 0
2 years ago
WVTU is a television station that has 20 thirty-second advertising slots during their regularly scheduled programming each eveni
Colt1911 [192]

Answer:

a. $90,000

b. 15 advertisement slots

c. 0.53

Step-by-step explanation:

Let the purchase price of the slots, c = 4,500

The salvage value of the slots, s = 2,000

The selling price of the slots, p = 8,000

a. If the store manager sells all the advertising slots in advance, the revenue received, 'R', is given as follows;

R = The number of slots, n × The purchase price for selling immediately, c

∴ R = 20 × $4,500 = $90,000

The revenue the station will receive by selling all the advertising slots in advance, R = $90,000

b. The Cost of Overage, C_o = Purchase price - Salvage value

∴ The Cost of Overage, C_o = 4,500 - 2,000 = 2,500

The Cost of Underage, C_u = Selling price - Purchase price

∴ The Cost of Underage, C_u = 8,000 - 4,500 = 3,500

P; 0.03, 0.05, 0.1, 0.15, 0.2, 0.15, 0.1, 0.05, 0.05, 0.05, 0.05, 0.02

With help of MS Excel, we get the following cumulative frequency

F(Q); 0.03, 0.08, 0.18, 0.33, 0.53, 0.68, 0.78, 0.83, 0.88, 0.93, 0.98, 1

The expected monetary value for the decision to sell the 8th slot at the last minute is given by the following relation;

C_u × [1 - F(Q)] - C_o × F(Q)

Where F(Q) = The cumulative frequency for the 8th stock

Therefore, we have;

3,500 × (1 - 0.03) - 2,500 × 0.03 = 3,300

For the 8th slot, the TV station is expected to make an extra $3,300

Using MS Excel, we get;

For the 9th slot, the profit over the purchase price = $3,020

Fot the 10th slot, the profit over the purchase price = $2,420

The profit over the purchase price for the 11th slot = $1,520

The profit over the purchase price for the 12th slot = $320

The profit over the purchase price for the 13th slot = $(-580)

The 14th = $(-1,180)

15th = $(-1,480)

16th = $(-1,780)

17th = $(-2,080)

18th = $(-2,380)

19th = $(-2,500)

Therefore, to maximize profit, only the 8th, 9th, 10th, 11th, and 12th, slots which are 5 slots should be sold late while 20 - 5 = 15 slots should be sold in advance

c. The probability that the total revenue will exceed the identified amount in part 'a' is the cumulative probability at the 12th slot which is given as follows;

P(D ≤ 12) = F(12) = 0.53.

3 0
2 years ago
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