MATHEMATICS HIGH SCHOOL

3) Dori created a 2 letter code to get into her waterproof iPad. She only used the letters ABC and D because she was afraid she might forget the combination. Well, Dori forgot anyway and now wants to make a list of all possible combinations so she can get back in A Make a list of all the possible 2 letter codes.​

Answers

Answer 1
Answer:

Answer:

AA, AD, AC, AB (or flipped)

BB, BD, BC, BA (or flipped)

CD, CA, CB, CC (or flipped)

DA, DC, DD, DB (or flipped)

Step-by-step explanation:

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What is 2.33 written as a mixed number in simplest form? A. 1002/33 B. 233/100 C. 233/100 D. 2100/33

Answers

Answer:

The correct answer for the question that is being presented above is this one: "233/100". When the decimal 2.33 written as a mixed number in simplest form, then the answer will 233/100. You just move the decimal point in 2.33 two places to the right. Since, there are two decimal places, therefore the denominator should be 100.



Step-by-step explanation:

Substitution and elimination are two symbolic techniques used to solve linear equations. For example, if it is easy to set up an equation for substitution where 1 variable is on 1 side, then use that; For example, 4y=16+4x, you can easily divide by 4, get y=4+x (or y=x+4), and plug that into the other equation. In other cases where it may not be so easyFractions/decimals, etc., then you would probably rather use elimination.

1) The substitution method. This method is best utilized when one of the variables in one of the equations has a coefficient of 1 or -1, otherwise you will introduce fractions. Substitution can also be used for nonlinear systems of equations.
(2) Linear combinations also called the elimination method, multiplication and addition method, etc... My personal favorite as it can be done efficiently. It generalizes well to larger systems and is the underpinning of various other solution methods.
As the name implies it requires the equations to be linear.
You need to know both and be comfortable switching between them.

Can we get one for the elimination method too?
Also, can you solve the same problem using either of the two techniques?

Answers

A simple sample problem for Elimination:

x  -  y  = 1
x +  y  =  5

You can solve the same problem using either technique, as far the equations are linear equations.

In a function you cannot have to of the same x values right?

Answers

Yes, in a function you cannot have two different images for the same x.

Because if an x has more than one image, you couldn't tell what is the value of the image given that x.

The center of a great circle is also the center of a small circle. true or false

Answers

100% true!!!!!!!!!!!!!!!

Point B ∈ AC . Points K, M, N, and P are the midpoints of AB , AC , MC , and NC , respectively. Write a congruency statement for each pair of congruent segments.

Answers

Answer:

AK = BK, AM = CM, MN = CN, NP = CP

Step-by-step explanation:

B ∈ AC

Points K, M, N, and P are the midpoints of AB , AC , MC , and NC

Then

K is midpoint of AB ⇒

  • AK = BK

M is midpoint of AC ⇒

  • AM = CM

N is midpoint of MC ⇒

  • MN = CN

P is midpoint of NC ⇒

  • NP = CP

Is it true or false that any three points are contained in exactly one plane?

Answers

Please ,   Not delete my answer, because is correct.

It is false that any three points are containded in exactly one plane.

For example: if the points are aligned, these points aren´t containded in a plane, these points  are containded in a line.

O= point.

--------------O-----------O---------O---------  (these points are contaided in a line).




         o                    o            (these points are contained in a plane)
                  
                   o
I'm not sure but I think it's true
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