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labwork [276]
2 years ago
6

F(x) = 5x2 + 20x - 12 What is the vertex for this

Mathematics
1 answer:
kifflom [539]2 years ago
3 0

Answer:

10+20x-12

20x-2

X=20-2

X=18

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Lucy Baker is analyzing demographic characteristics of two television programs, American Idol (population 1) and 60 Minutes (pop
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Answer:

Alternative hypothesis:\mu_1 -\mu_2 \neq 0

Or in the alternative way would be:

 Alternative hypothesis:\mu_1 \neq \mu_2

Step-by-step explanation:

A hypothesis is defined as "a speculation or theory based on insufficient evidence that lends itself to further testing and experimentation. With further testing, a hypothesis can usually be proven true or false".  

The null hypothesis is defined as "a hypothesis that says there is no statistical significance between the two variables in the hypothesis. It is the hypothesis that the researcher is trying to disprove".

The alternative hypothesis is "just the inverse, or opposite, of the null hypothesis. It is the hypothesis that researcher is trying to prove".

On this case the claim that they want to test is: "The means for the two groups (American Idol and 60 Minutes) is the same". So we want to check if we have significant differences between the two means, so this needs to be on the alternative hypothesis and on the null hypothesis we need to have the complement of the alternative hypothesis.

Null hypothesis:\mu_1 -\mu_2 = 0

This null hypothesis can be expressed like this:

Null hypothesis:\mu_1 = \mu_2

Alternative hypothesis:\mu_1 -\mu_2 \neq 0

Or in the alternative way would be:

Alternative hypothesis:\mu_1 \neq \mu_2

4 0
3 years ago
Фd —<br> 969 - 9<br> ХОТХЭ: <br> P
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brainly.com/question/24478767

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3 years ago
What is the measure of z?<br> an<br> z= [?
Gemiola [76]

what to find

measure of z =1

7 0
3 years ago
Write or draw to explain a way to find each sum 6+7, 8+4, 2+9
Aleonysh [2.5K]
The sum to 6+7 is 13 and the answer to 8+4 is 12 and the sum to 2+9 is 11
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This table shows the number of students at a school in the years 2014-2016, 2014 1,030 students 2015 ? students 2016 1,300 stude
vladimir1956 [14]

Answer:

it could be the number in 2015 is 2,330

Step-by-step explanation:

Just add the number of the students in 2014-2016.

1,030+ 1,300=2,330

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