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olga2289 [7]
3 years ago
13

It takes Fred 32 minutes to type and spell check 5 pages of a manuscript. Find how long it takes

Mathematics
1 answer:
sveta [45]3 years ago
6 0

Answer:

26

Step-by-step explanation:

we \: rounded \: it \: to \: the \: nearest \: whole \: number

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Roma selects cards from a standard of 52 cards. Once a card is selected, it is not replaced. Find the probability of each outcom
meriva

Given:

A card is selected randomly from a standard deck of 52 cards.

To find:

The probability of each outcome.

a. a king of heart

b. a queen of spades

c. an ace of flower

d. an ace of diamond​

Solution:

In a standard deck of 52 cards.

Total number of cards = 52

13 cards of each suit (heart, diamond, club, spade).

13 cards are Ace, 2, 3, 4, 5, 6, 7, 8, 9, 10, Jack, Queen, King.

a. We need to find the probability of getting a king of heart.

Number of king of heart = 1

P(\text{a king of heart})=\dfrac{\text{Number of king of heart}}{\text{Total cards}}

P(\text{a king of heart})=\dfrac{1}{52}

b. We need to find the probability of getting a queen of spades.

Number of queen of spades = 1

P(\text{a queen of spades})=\dfrac{\text{Number of queen of spades}}{\text{Total cards}}

P(\text{a queen of spades})=\dfrac{1}{52}

c. We need to find the probability of getting an ace of flower (spades).

Number of ace of flower = 1

P(\text{an ace of flower})=\dfrac{\text{Number of ace of flower}}{\text{Total cards}}

P(\text{an ace of flower})=\dfrac{1}{52}

d. We need to find the probability of getting an ace of diamond​.

Number of ace of diamond​ = 1

P(\text{an ace of diamond​})=\dfrac{\text{Number of ace of diamond​}}{\text{Total cards}}

P(\text{an ace of diamond​})=\dfrac{1}{52}

Therefore, the required probabilities for each parts are:

(a) \dfrac{1}{52}

(b) \dfrac{1}{52}

(c) \dfrac{1}{52}

(d) \dfrac{1}{52}

4 0
3 years ago
Suppose that Eitan rolls a fair six-sided die and a fair four-sided die simultaneously. Let A be the event that the sum of the d
murzikaleks [220]

Answer:

Step-by-step explanation:

Part A

Let's see what the total ways of eight might be.

Dice  (6 sides)   Dice (4 sided)

6                               2                            You can't reverse them

5                               3                             You can't reverse these either.

4                               4                              You can't have a meaningful reversal.

That looks like all there is. So what's the universe of this set?

6 * 4 is the total number of combinations.

You have 3 that work.

P(A) = 3/24 = 1/8 = 0.125

=====================

Part B

There are 4 sets of doubles. As you can see, there is not 2 creations, so the answer is

P(B) = 4/24 = 1/6 = 0.1667

=================

Part C

P(A + B) = only 1 instance (4,4)

1/24 = 0.04167

======================

No they are not independent. They can both happen.

4 0
3 years ago
Read 2 more answers
Find the surface area of the pyramid round to the nearest tenth choose the correct unit
sineoko [7]

slant height(h) = 16.3ft

Base side = 20ft

\text{Area of pyramid=}\frac{1}{2\text{ }}\times perimeterofbase\text{ x slant height}

Perimeter of base = 4(base side) = 4(20) = 80ft

\begin{gathered} \text{Area of pyramid = }\frac{1}{2}\times80\times16.3 \\ \text{Area = }652ft^2 \end{gathered}

7 0
1 year ago
-473/144=-5/9x-3 7/8<br><br>help
Vlad1618 [11]
Hi,

Work:

- \frac{473}{144} = - \frac{5}{9}x - 3 \frac{7}{8} \\ - \frac{473}{144} = - \frac{5}{9} x - \frac{21}{8}

Multiply both sides by 144.

- 473 - 80x - 378

Move X to left side and change its side.

80x = - 378 + 473

Calculate the sum

80x = 95

Divide both sides by 80.

x = \frac{19}{16}


+++ Results +++

Fraction form:

x = 1 \frac{3}{16}

Or decimal form:

1.1875

Hope this helps.
r3t40
7 0
3 years ago
CAN SOMEONE HELP ME WITH THIS?!?!
Nat2105 [25]
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7 0
3 years ago
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