\dfrac{1}{3}(4\cdot3)+2^3=
3
1

(4⋅3)+2
3

Answers

Answer 1

Answer: I got 14 on Photomath

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There are 10 playing cards in a bag. 7 of those cards are spades.What is the probability of picking a spade randomly from the bag?
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(URGENT) The frequency of a radio wave varies inversely as its wavelength. If a 250-meter wave has a frequency of 1,200 kilohertz, what is the wavelength of a wave that has a frequency of 6,000 kilohertz? Round your answer to the nearest meter.A 28,800 m

B 1,250 m

C 100 m

D 50 m

Answers

Answer:

50 m

Step-by-step explanation:

The frequency of a radio wave varies inversely as its wavelength. This means that:

f α 1 / λ

=> f = c / λ

c is the constant of proportionality

Note: c is called the speed of the radio wave

A 250-meter wave has a frequency of 1,200 kHz.

This implies that:

1200 * 1000 = c / 250

=> c = 250 * 1200 * 1000

c = 300000000 m/s

Therefore, to calculate the wavelength of a wave that has a frequency of 6,000 kilohertz:

6000 * 1000 = 300000000 / λ

=> λ = 300000000 / 6000000

λ = 50 m

Its wavelength is 50 m.

what are the coordinates of the vertex of the table is it a minimum or maximum A. (-4,1) B(-2,-3) minimum C. (-2,-3) maximum D. (1,0)

Answers

minimum C. (-2,-3) cameron mcdaniel

Answer:

(-2, -3); minimum is correct.

Step-by-step explanation:

There are 4 kings, 4 queens, 4 jacks, and 4 aces, corresponding to these suits. Kings, queens, and jacks are called face cards. If you are not familiar with what these cards look like, below is an image: You shuffle the deck, draw out a card at random, and note whether the card is a face card (either a king, queen, or jack) or not. You then put the card back, shuffle the deck, and draw again. You repeat this process a few more times, for a total of 17 trials. What is the expected number of face cards drawn? Round your answer to two (2) decimal places.

Answers

The expected number of face cards drawn in 17 trials with a number rounded to two is 3.92.

In each trial, the probability of drawing a face card is 3/13, since there are 12 face cards in a standard deck of 52 cards. The expected value of a random variable is the average of the values of each outcome. In this case, the outcome is either drawing a face card or not drawing a face card.

The value of drawing a face card is 1 since it is a success. The value of not drawing a face card is 0 since it is a failure. So, the expected number of face cards drawn in 17 trials is 3.92, calculated by the number of face cards drawn in 17 trials as 17 * (3/13) = 3.92.

Learn more about the probability at

brainly.com/question/31634956

Finance companies __________.Select one of the options below as your answer:a. make loans to consumers
b. are fairly small
c. make loans to businesses
d. all of the above

Answers

A finance company is a financial institution which is often affiliated with a holding company or manufacturer, that makes loans to individuals or businesses.
The best answer to the question then is letter c.make loans to businesses.

If someone has 30 books to pack in each box and each box only hold 7 books how many books are left