MATHEMATICS MIDDLE SCHOOL

Factor the binomial or identify it as prime.2z4 – 2

A. 2(z2 + 1)(z2 – 1)
B. 2(z2 + 1)(z – 1)(z + 1)
C. Prime
D. 2(z2 + 1)2
Factor the binomial or identify it as prime. 2z4 – - 1

Answers

Answer 1
Answer:

Answer:

The correct answer is B,

Step-by-step explanation:

Since the higher value of z's power, is 4, an even number, and the second number is negative, we can think that this binomial is made of a difference of squares, so that is what we are going to factorize.

First, extract the common number (if any), the number 2, we have now>

2*(z^(4)-1)

This is convenient since "1" is a wonderful number that has this feature>1^(n)= 1 No matters what n's value is,

so the first equation 2*(z^(4)-1) can be written as (2*(z^(4)-1)=2*((z^(2))^(2)-1^(2))=2*(z^(2)-1)*(z^(2)+1)

The later termn, can also be factorized, using the same as befre.

(z^(2)-1)=(z-1)*(z+1)

Remember that z^(4)=(z^(2))^(2)
Answer 2
Answer: the answer to this problem is A
:)

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What is the theoretical probability of a coin landing tails up?

Answers

Answer:

The probability that a fair coin lands tail up is 1/2, which is equal to 0.5.

Step-by-step explanation:

There are two possible outcomes when a coin is flipped (saving for the case when the coin lands on its side.)

  1. The coin lands head-up;
  2. The coin lands tail-up.

If the coin is fair, the two outcomes should be equally likely. In that case, apply the following formula:

\begin{aligned}&\text{Probability that the coin lands tail-up}\n =&\frac{\text{Number of outcomes that the coin lands tail-up}}{\text{Total Number of equally-likely possible outcomes}}\n=&(1)/(2) \n=& 0.5 \end{aligned}.

Credit for the phrasing of this probability formula goes to the Khan Academy article "Probability: the basics".

Answer: 1:2

Step-by-step explanation:

The movie Avatar is the number one movie in U.S. history, earning $760,507,625. The second place movie is Titanic, earning $600,788,188. what percent is $600,788,188 of $760,507,625

Answers

(600,788,188/760,507,625) * 100

Answer:

Step-by-step explanation:

(600,788,188/760,507,625) * 100

Slove:12x9³x4
- means divide
---------------

6x8²x27

Answers

Answer:

1. 34,992. 2. 10,368

Step-by-step explanation:

1.) Write the problem out. 12x(9x9x9)x4

2.) Solve what's in the parentheses first 729

3.) Rewrite your problem 12x729x4

4.) Multiply by 12 then 4

DOTHESAMEFORBOTHPROBLEMS

there are 23 boxes of pencil in mr. Shaw's Supply Cabinet Each Box contains 100 pencils how many pencils are in the supply cabinet

Answers

I believe there are 2300 pencils because 23 x 100 = 2300 

Hoped this helped!

2300 because since there are 23 boxes and 100 pencils in each box, you'd do 23*100 to get 2300pencils in the supply cabinet

What is the volume of the right prism?

_____in3

Answers

The\ volume\ of\ a\ right\ prism\ a* b* c:V=a\cdot b\cdot c\n\na=5\ in;\ b=12\ in;\ c=5\ in\n\ntherefore\n\nV=5\cdot12\cdot5=300\ (in^3)

WHAT IS THE ANSWER TO 6-M=5M+30

Answers

6-M=5M+30
-6+M=+M-6
6M=24
6*4=24
M=4
6- m=5m+30

6=m ---------
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