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Soloha48 [4]
3 years ago
11

NEED HELP ASAP PLEASE HELP!

Mathematics
2 answers:
Alborosie3 years ago
8 0
Both expressions are equivalent.

To prove that, let x equal a random number. For example, let x=1.
-2+3x and 3x+(-2)
-2+ (3 X 1)= 1.
(3 X 1) + (-2) =1
Lorico [155]3 years ago
4 0
These two expressions are equivalent because if you had an equal sigh and equal it to the same answer like 3x+(-2)=2.

Anyways this is called the communative property. The comunuty property is when you change the statement of the equation or the expression.

Im sorry, explaining this is really weird. Trust me this is easier then it sounds. I hope this helps you.
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pantera1 [17]

Answer:

   2/3

Step-by-step explanation:

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Using the slope formula

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   = ( 2-0)/(1--2)

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5 0
3 years ago
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Scores on a certain IQ test are knownto have a mean of 100. A random sample of 43 students attend a series of coaching classes b
NeX [460]

Answer:

Part 1

Type II error

Part 2

No ; is not ; true

Step-by-step explanation:

Data provided in the question

Mean = 100

The Random sample is taken = 43 students

Based on the given information, the conclusion is as follows

Part 1

Since it is mentioned that the classes are successful which is same treated as a null rejection and at the same time it also accepts the alternate hypothesis

Based on this, it is a failure to deny or reject the false null that represents type II error

Part 2

And if the classes are not successful so we can make successful by making type I error and at the same time type II error is not possible

Therefore no type II error is not possible and when the null hypothesis is true the classes are not successful

6 0
3 years ago
△QRS is rotated about point P to △Q′R′S′ . Which statements are true about the pre-image and image?
yuradex [85]

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The corresponding lengths, from the point of rotation, between the pre-image and the image are preserved

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3 0
3 years ago
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photoshop1234 [79]
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ehidna [41]

Answer:

-48 is answerrrrrrrrrr

5 0
3 years ago
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