All categories

3 years ago

HELP pretty please! What is the theoretical probability of the event that a family with two children has two boys?

Mathematics

1 answer:

amid [387]3 years ago

7 0

Your answer would be .a.

You might be interested in

Simplify, state all restrictions.

Kipish [7]

The simplified expression is $\frac{1 - x - y}{x + y}$ and the restriction is $y \ne -x$

<h3>How to simplify the expression?</h3>

The expression is given as:

$\frac{x - y}{4x^2 - 8xy + 3y^2} \div \frac{2x + y}{2x - 3y} \times \frac{4x^2 - y^2}{x^2 - y^2} -1$

Express x^2 - y^2 as (x + y)(x - y) and factorize other expressions

$\frac{x - y}{(2x - y)(2x - 3y)} \div \frac{2x + y}{2x - 3y} \times \frac{4x^2 - y^2}{(x - y)(x + y)} -1$

Rewrite the expression as products

$\frac{x - y}{(2x - y)(2x - 3y)} \times \frac{2x - 3y}{2x + y} \times \frac{4x^2 - y^2}{(x - y)(x + y)} -1$

Cancel out the common factors

$\frac{1}{(2x - y)} \times \frac{1}{2x + y} \times \frac{4x^2 - y^2}{(x + y)} -1$

Express 4x^2 - y^2 as (2x - y)(2x + y)

$\frac{1}{(2x - y)} \times \frac{1}{2x + y} \times \frac{(2x - y)(2x + y)}{(x + y)} -1$

Cancel out the common factors

$\frac{1}{x + y} -1$

Take the LCM

$\frac{1 - x - y}{x + y}$

Hence, the simplified expression is $\frac{1 - x - y}{x + y}$ and the restriction is $y \ne -x$

Read more about expressions at:

brainly.com/question/723406

#SPJ1

7 0

2 years ago

Answer for brainiest

gregori [183]

Exactly I like that lol lol I don’t mean lol lol I don’t mean to be rude but I don’t mean to

8 0

3 years ago

D Question 1 10 pts Which digit is in the hundredths place of 107.263? 07 2 6 Question 2 10 pts

enot [183]

Answer:

Step-by-step explanation:

We are given the number 107.263.

Using place value, locate the hundredths place.

107.2<u>6</u>3

The number 6 is in the hundredths place.

Hope this helps.

4 0

3 years ago

What is the equation of the line that passes through the point (-1, -3) and has a slope of 3?

iogann1982 [59]

Answer:

y=3x

Step-by-step explanation:

Use a calculator to guess and check

5 0

3 years ago

What is the equation of the parabola that intersects the x-axis at points (-8,0) and (8,0)?

IceJOKER [234]

I think it would be c

8 0

3 years ago