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gtnhenbr [62]
3 years ago
5

A bag contains six red marbles three blue marbles and five green marble the three marbles are drawn out of the bag what is the p

robability to the nearest one hundredth that all three marbles will be drawn red?
Mathematics
1 answer:
tia_tia [17]3 years ago
8 0

Answer:

Step-by-step explanation:

Red = 6

Blue = 3

Green = 5

Total = 14

First marble = 6/14  = 3/7  You now have 5 reds and 13 total

Second Marble = 5 * 13  which brings you down to 4 red and 12 total.

Third Marble = 4/12 = 1/3

Result

P(3 Red) = 3/7 * 5/13 * 1/3     cancel the 3s

P(3 Red) = 1/7 * 5/13

P(3 Red) = 5/91

P(3 Red) = 0.0549 . Rounding to the nearest 1/100 depends on what you have been told about rounding. I would say the answer is 0.05 but your teacher may say something different.

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2 years ago
What is the missing value for x on the diagram below?
elixir [45]

Answer:

56 degrees

Step-by-step explanation:

Right angle is always 90

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7 0
2 years ago
Read 2 more answers
PLEASE HELP ASAP!!! URGENT
neonofarm [45]

Answer:

1) \frac{\sin x}{1-\cos x} = \csc x + \cot x

2) \frac{\sin x}{1-\cos x} =  \frac{1}{\sin x} + \frac{\cos x}{\sin x}

3) \frac{\sin x}{1-\cos x} = \frac{1+\cos x}{\sin x}

4) \frac{\sin x}{1-\cos x} = \frac{\sin x \cdot (1+\cos x)}{\sin^{2}x}

5) \frac{\sin x}{1-\cos x} = \frac{\sin x\cdot (1+\cos x)}{1-\cos^{2}x}

6) \frac{\sin x}{1-\cos x} = \frac{\sin x\cdot (1+\cos x)}{(1+\cos x)\cdot (1-\cos x)}

7) \frac{\sin x}{1-\cos x} = \frac{\sin x}{1-\cos x}

Step-by-step explanation:

Now we proceed to show all steps needed to demonstrate the trigonometric identity:

1) \frac{\sin x}{1-\cos x} = \csc x + \cot x Given.

2) \frac{\sin x}{1-\cos x} =  \frac{1}{\sin x} + \frac{\cos x}{\sin x} Identities for cosecant and cotangent functions.

3) \frac{\sin x}{1-\cos x} = \frac{1+\cos x}{\sin x}             \frac{a}{b}+\frac{c}{b} = \frac{a+c}{b}

4) \frac{\sin x}{1-\cos x} = \frac{\sin x \cdot (1+\cos x)}{\sin^{2}x} Existence of additive inverse/Modulative property.

5) \frac{\sin x}{1-\cos x} = \frac{\sin x\cdot (1+\cos x)}{1-\cos^{2}x}    Fundamental trigonometric identity.

6) \frac{\sin x}{1-\cos x} = \frac{\sin x\cdot (1+\cos x)}{(1+\cos x)\cdot (1-\cos x)}   Factorization.

7) \frac{\sin x}{1-\cos x} = \frac{\sin x}{1-\cos x} Existence of additive inverse/Modulative property/Result.

5 0
2 years ago
Mikayla earns $ 100 every 8 hours at her new job. At
Ostrovityanka [42]

Answer:

$175

Step-by-step explanation:

$100/8 hours = $12.5 hourly

$12.5 * 14 hours = $175

3 0
2 years ago
Needs help* yes plz do help
fenix001 [56]

If that is multiply

Answer:

94.2

Step-by-step explanation:

15.7(3.09+2.91)=15.7*6=94.2

4 0
3 years ago
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