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3 years ago

A new family has moved in next door. You know the family has two children. What is the probability that both children are boys?

Mathematics

1 answer:

Snezhnost [94]3 years ago

8 0

There is a 50% probability.

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Can someone please help me, I’m struggling

Mnenie [13.5K]

Answer:

Vertical

Step-by-step explanation:

I got this correct :) and also because if it would be supplementray, those angles would be placed different (on one line) had they’re not corresponding or alternating. So its C - vertical. :) Can you please mark me as brainliest?

4 0

3 years ago

Read 2 more answers

How many types of congruence criterion are in total.Name them

Makovka662 [10]

Answer:

Various types of Congruency are:

1. ASA (Angle Side Angle)

2. SSS (Side Side Side)

3. SAS (Side-Angle-Side)

4. AAS (Angle-Angle-Side)

5. RHS (Right angle-Hypotenuse-Side)

As of what I had learned (class 9) this is all but I am not sure if there are more

7 0

3 years ago

Read 2 more answers

Factor completely: 2x4 − 32.

vazorg [7]

Answer:

Option b) is correct.

The completed factor of given expression is $2(x-2)(x+2)(x^2+4)$

Step-by-step explanation:

Given expression is $2x^4-32$

To find the completed factor for the given expression:

$2x^4-32$ :

Taking the common number "2" outside to the above expression we get

$2x^4-32=2(x^4-16)$

Now rewritting the above expression as below

$=2(x^4-2^4)$ (since 16 can be written as the number 2 to the power of 4)

$=2((x^2)^2-(2^2)^2)$

The above expression is of the form $a^2-b^2=(a+b)(a-b)$

Here $a=x^2$ and $b=2^2$

Therefore it becomes

$=2(x^2+2^2)(x^2-2^2)$

$=2(x^2+4)(x^2-2^2)$

The above expression is of the form $a^2-b^2=(a+b)(a-b)$

Here $a=x$ and $b=2$

Therefore it becomes

$=2(x^2+4)(x+2)(x-2)$

$=2(x+2)(x-2)(x^2+4)$

Therefore $=2(x+2)(x-2)(x^2+4)$

$2x^4-32=2(x-2)(x+2)(x^2+4)$

Option b) is correct.

The completed factor of given expression is $2(x-2)(x+2)(x^2+4)$

3 0

4 years ago

Read 2 more answers

Given lines a and b are parallel, and m<1 = 50, Find m<4

kirill115 [55]

M1 = m4 = 50 (A) is the answer

6 0

3 years ago

What is the answer?

arsen [322]

10 equal pieces I think

6 0

4 years ago