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zmey [24]
2 years ago
14

3|2a - 4| = 0 idk how to find the absolute value when the equation = 0

Mathematics
1 answer:
lakkis [162]2 years ago
5 0

Answer:

a=2

Step-by-step explanation:

2a - 4 = 0 \\ 2a = 4 \\ a = 2

In order to get 0, you have to multiple 3 with 0, so that means that 2a-4 has to equal 0.

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True or False: A p is the probability that the results are not due to chance, the probability that the null hypothesis (H0) is f
professor190 [17]

Answer:

False

Step-by-step explanation:?

The hypothesis tests compare weather an event is meant to alter a population mean results, for example, a scientist experiment might have or not have a significant effect over the population results. The test aims to reject the null hypothesis, so what it really want to find out is if the alternative Hypothesis H1 is likely true. The null hypothesis is the probability that the results are not due to chance – if it’s rejected, then the results are due to chance.The level of significance , or so called p-value, is the probability that the null hypothesis (H0) happen , If p is very small then the null hypothesis is rejected - isn’t true- and the alternative Hypothesis is accepted. A higher P value implies a higher probability than results are not happening so that the H0 is accepted and H1 rejected. The null Hypothesis will normally will rejected when the level of significance are either lower than 0.05 or 0.01, the lower P value the higher the level of confidence that the results are due to chance.

Since the first part of the statement (A p is the probability that the results are not due to chance) is correct, and the second part is wrong (…the probability that the null hypothesis (H0) is false), the total statement is false. The correct statement would be as follows : A p is the probability that the results are not due to chance, the probability that the null hypothesis (H0) is true.  

7 0
2 years ago
If the system below were written as a matrix equation, by which matrix could you multiply both sides to obtain a solution?
ludmilkaskok [199]
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.

Below are the choices:

A. 
<span>[8 -6] </span>
<span>[-5 4] </span>
<span>B. </span>
<span>[4 -3] </span>
<span>[-2.5 2] </span>
<span>C. </span>
<span>[-4 5] </span>
<span>[6 -8] </span>
<span>D. </span>
<span>[-2 2.5] </span>
<span>[3 -4]
</span>
B because it is the inverse of 
<span>(4 6) </span>
<span>(5 8) </span>

<span>Check </span>
<span>(4.0 -3)(4 6) = (1 0) </span>
<span>(-2.5 2)(5 8) = (0 1)</span>
3 0
3 years ago
Someone please help me!!!!
Sunny_sXe [5.5K]

Answer:

180+54sqrt3

You have to use the formula that is contained within the lessons, the answer you should have before you format it like this is: 273.530743609

5 0
2 years ago
Tripp ran 4.8 times as many laps as tony. If tony ran 3.7 laps, how many laps did Tripp run?
Vera_Pavlovna [14]
He ran 17.76 laps more
6 0
3 years ago
Read 2 more answers
Suppose y varies directly with x and y=72 when x=6. what direct variation equation relates x and y? what is the value of y when
scoundrel [369]
Y=12x
Check: 72=12(6)
             72=72
y=12x
y=12(10)
y=120
when x is 10 y is 120 

6 0
3 years ago
Read 2 more answers
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