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3 years ago

A fair coin is flipped four times. Use a tree diagram to find the probability of observing exactly two heads.

Mathematics

1 answer:

Svetllana [295]3 years ago

6 0

Answer:

0.25

Step-by-step explanation:

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The equations given are in standard form. Put each equation in slope-intercept form. State the slope and the

rusak2 [61]

Answer:

3. $\displaystyle y = \frac{2}{5}x + 1\frac{2}{5}$

2. $\displaystyle y = -\frac{5}{7}x + 2$

1. $\displaystyle y = -2x + 4$

Step-by-step explanation:

3. 2x - 5y = −7

- 2x - 2x

__________

$\displaystyle \frac{-5y}{-5} = \frac{-2x - 7}{-5} \\ \\ y = \frac{2}{5}x + 1\frac{2}{5}$

2. 5x + 7y = 14

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$\displaystyle \frac{7y}{7} = \frac{-5x + 14}{7} \\ \\ y = -\frac{5}{7}x + 2$

1. 6x + 3y = 12

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$\displaystyle \frac{3y}{3} = \frac{-6x + 12}{3} \\ \\ y = -2x + 4$

I am joyous to assist you anytime.

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3 years ago

Please help me please

irina [24]

Answer: YOU WILL NEVER SUCCEED IF YOU DON’T TRY

search it up if you really need help

good luck

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2 years ago

The ponce de leon lighthouse in St.Augustine, Florida, is the second tallest brick tower in the United States.It was built in 18

vovikov84 [41]

Using a right triangle formed by boat with base and top of lighthouse.Note: 15 minutes = 0.25 degreesLet d be distance the boat is from shore.tan(90−13.25)=d/175
d=175∗tan(76.75)=743.2

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3 years ago

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The collection of whole numbers is an example of a set

aev [14]

Answer:What are Whole Number? ... 17, 99, 267, 8107 and 999999999 are examples of whole numbers. Whole numbers include natural numbers that begin from 1 onwards. Whole numbers include positive integers along with 0.

Step-by-step explanation:

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3 years ago

The sum of a number and 3 divided by 9

polet [3.4K]

Answer:

$\frac{(x+3)}{9}$

Step-by-step explanation:

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3 years ago