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3 years ago

Find the probability that when a couple has five children at least one of them is a boy

Mathematics

1 answer:

denis23 [38]3 years ago

4 0

Answer:

it's a 50/50 chance per child because a boy requires one X chromosome and one y chromosome

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A directed line segment AB with A (1,3) and B (8,4) is partitioned by point C such that AC and CB form a 4:1 ratio. Find C

elena55 [62]

Answer:

$C = (\frac{33}{5},\frac{19}{5})$

Step-by-step explanation:

Given

$A = (1,3)$

$B = (8,4)$

$AC : BC = 4 : 1$

Required

Determine the coordinates of C

To do this, we make use of:

$C = (\frac{nx_1 + mx_2}{n+m},\frac{ny_1 + my_2}{n+m})$

Where:

$A = (1,3)$ ---- $(x_1,y_1)$

$B = (8,4)$ ---- $(x_2,y_2)$

$m:n = 4 : 1$

So:

$C = (\frac{1 * 1 + 4*8}{1+4},\frac{1*3 + 4*4}{1+4})$

$C = (\frac{33}{5},\frac{19}{5})$

6 0

3 years ago

Carter and Sani each have the same number of marbles. Sani's little sister comes in and takes some of

Minchanka [31]

Answer:

The first answer is 14 marbles.

The second answer is 4 marbles.

Step-by-step explanation:

1. Add as many marbles needed to Carter's pile to match the amount of marbles with Sani's amount to get both amounts to be even.

2. The number of marbles you moved to Carter's pile to make both amounts even is the answer to the second question.

7 0

3 years ago

Read 2 more answers

PLEASEEE I CAN'T DO ITT

MAXImum [283]

Answer:

answer is cm² ok

Step-by-step explanation:

because it is saying area ,in area we have to put cm2

7 0

2 years ago

Number 6 please thanks :)

tatuchka [14]

Answer:

60° = m∠CED

30° = m∠AEB

Step-by-step explanation:

Since 90° is the m∠CEB, we already know the angle measures of the other two that got to be half and half of each other:

m∠AEB = ½m∠CED

$30 = \frac{1}{2}(60)$

This is like the 30°-60°-90° theorem. Always keep these in mind because you will never know when they will come in handy. The other one is called the 45°-45°-90° theorem, which in this case would not apply because two legs would have to congruent, which in this case they are not.

I am joyous to assist you anytime.

7 0

4 years ago

Is 8mn + 8np a sum of like or unlike terms ?

tamaranim1 [39]

Answer: Unlike Terms

Step-by-step explanation:

Both numbers have one same letter which is n, but both are different because the first 8 has m, and the Second 8 has p. So, they're unlike terms.

8 0

3 years ago