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serg [7]
3 years ago
12

Kyle has three short straws, four medium straws, and six long straws. If he randomly draws two straws, one at a time without rep

lacement, what is the probability that both are short straws?
Mathematics
2 answers:
ipn [44]3 years ago
6 0
Before the first straw is drawn, there are three short straws and 3+4+6=13 straws in all.  Thus, the probability of drawing a short straw first is \frac{3}{13}.

After a short straw is drawn, there are two short straws and twelve total straws, a probability of \frac{2}{12} = \frac{1}{6}.

Thus, the probability of both of these events occurring is \frac{3}{13} \cdot \frac{1}{6} = \boxed{\frac{1}{26}}.
SashulF [63]3 years ago
5 0

Answer: 1 /26

Step-by-step explanation: To calculate probability of two dependent events you multiply their probabilities together. Remember that without replacement means you have to subtract one from the denominator. Therefore you should multiply  3/ 13  ⋅  2/ 12 to get the solution  1/ 26 .

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(0,5)

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Y = 6x + 5.<br><br><br> What does x equal?
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This year, Amy watched 80 movies. She thought 72 of them were very good. Of the movies she watched what percentage did she think
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4 years ago
Evaluate the expression: 16P4
Tju [1.3M]

The expression 16p⁴ will be written as (2p)⁴.

<h3>What is an expression?</h3>

Expression in maths is defined as the collection of the numbers variables and functions by using signs like addition, subtraction, multiplication, and division.

Numbers (constants), variables, operations, functions, brackets, punctuation, and grouping can all be represented by mathematical symbols, which can also be used to indicate the logical syntax's order of operations and other features.

The given expression will be solved as below:-

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8 0
2 years ago
50 points and I’ll mark you brainiest if correct.
Goryan [66]

Answer:

The container can hold 18 gallons

Step-by-step explanation:

Assume the container can hold x gallons

∵ The container is \frac{2}{3}  full with water

∵ It can hold x gallons

→ Multiply \frac{2}{3} by x to find the number of gallons in the container

∴ The number of gallons in the container = \frac{2}{3} x

∵ 4 gallons of water pouring out

∵ It is  \frac{4}{9} full

→ Multiply \frac{4}{9} by x to find the number of gallons left in it

∴ The number of gallons left in the container = \frac{4}{9} x

→ The difference between the numbers of gallons is 4 gallons

∵  \frac{2}{3} x - \frac{4}{9} x = 4

→ Subtract the terms of the left side

∴ \frac{2}{9} x = 4

→ Multiply both sides by 9

∴ 2x = 36

→ Divide both sides by 18

∴ x = 18

∵ x represents the full of the container

∴ The container can hold 18 gallons

7 0
3 years ago
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