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3 years ago

10

Find the probability that when a couple has two children, at least one of them is a boy. (Assume that boys and girls are equal

ly likely.)

1 answer:

Eddi Din [679]3 years ago

3 0

1/2 is awesome answer<span />

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??????????????????????

I am Lyosha [343]

The answer is A. Closure

6 0

2 years ago

I need with 2n-7=5n-10 also

melomori [17]

2n - 7 = 5n -10
-5n -5n
-3n - 7= -10
+7 +7
-3n = -3
-3/-3 -3/-3
n= 1

6 0

3 years ago

A six-sided die is rolled. What is the probability of landing on a number less than 3? Put our answer in simplest form.

V125BC [204]

Answer:

1/3

Step-by-step explanation:

2/6

1/3

8 0

3 years ago

Read 2 more answers

If f(x) = x^4-x^3+x^2 and g(x)= -x^2, where x does not = 0, what is (f/g)(x)?

Korvikt [17]

For this case we have the following functions:

$f (x) = x ^ 4-x ^ 3 x ^ 2\\g (x) = - x ^ 2$

By definition of composition of functions we have to: $(f \ g) (x) = \frac {f (x)} {g (x)}$

So:

$\frac {f (x)} {g (x)} = \frac {x ^ 4-x ^ 3 x ^ 2} {- x ^ 2} = \frac {x ^ 4} {- x ^ 2} +\frac {-x ^ 3} {- x ^ 2}+ \frac {x ^ 2} {- x ^ 2} =$

By definition of division of powers of the same base we have to place the same base and subtract the exponents:

$\frac {f (x)} {g (x)} = - x ^ 2+x-1$

ANswer:

$(\frac {f} {g}) (x) = - x ^ 2 +x-1$

3 0

3 years ago

Point Lis a centroid of the triangle FWD, If RL = 54 cm, what is RD?

Wittaler [7]

Answer:

RD = 162 cm

Step-by-step explanation:

LD = 2 RL = 2* 54 = 108

RD = RL + LD

RD = 54 + 108

RD = 162 cm

7 0

3 years ago