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____ [38]
3 years ago
6

Core Math 6 2014 - MA3106 IC

Mathematics
1 answer:
Ratling [72]3 years ago
4 0

Answer:

yes

Step-by-step explanation:

when you add 6 and 5 you get 11

7 times 11 is 77

42 plus 35 is 77

they equal eachother

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Determine the critical value or values for a one-mean z-test at the 1% significance level if the hypothesis test is right-tailed
kifflom [539]

Answer:

We need to conduct a hypothesis in order to determine if the mean is greater than specified value, the system of hypothesis would be:      

Null hypothesis:\mu \leq \mu_o      

Alternative hypothesis:\mu > \mu_o      

For this case the significance is 1%. So we need to find a critical value in the normal standard distribution who accumulates 0.99 of the area in the left and 0.01 in the right and for this case this critical value is:

z_{crit}= 2.326

Step-by-step explanation:

Notation

\bar X represent the sample mean

\sigma represent the standard deviation for the population      

n= sample size      

\mu_o represent the value that we want to test    

\alpha represent the significance level for the hypothesis test.    

z would represent the statistic (variable of interest)      

State the null and alternative hypotheses.      

We need to conduct a hypothesis in order to determine if the mean is greater than specified value, the system of hypothesis would be:      

Null hypothesis:\mu \leq \mu_o      

Alternative hypothesis:\mu > \mu_o      

For this case the significance is 1%. So we need to find a critical value in the normal standard distribution who accumulates 0.99 of the area in the left and 0.01 in the right and for this case this critical value is:

z_{crit}= 2.326

3 0
3 years ago
What is the greatest common factor of 49 and 84? a3 b4 c7 d9
Brilliant_brown [7]

Hi There!

Answer: c. 7

Why: 84 / 7 = 12 and 49 / 7 = 7

Hope This Helps :)

5 0
3 years ago
Find the equation of the ellipse with the following properties.
kaheart [24]
Check the picture below

so.. hmm notice the center h,k and the major and minor axis components, thus just plug them in.

5 0
3 years ago
Read 2 more answers
How do I do this? It's a modulus question.
pantera1 [17]
1)
||x|-4|= |x-1|
1st step = separate the equation into 2 possible equations
2nd step = solve the equations
|x|-4= x-1
x= -3/2
Or
|x|-4= - (x-1)
X= 5/2

2)

Do the same
X= -5/2
X= 7/2



6 0
2 years ago
Help me so i can go eat lunch <3 ( question 2)
LekaFEV [45]
<h3>Answer: Choice B</h3>

Doug borrowed $2 from his friend every day from Monday through Friday. How much money does Doug owe in all?

==============================================================

Explanation:

The notation 5(-2) is the same as saying "5 times negative 2"

The negative represents the amount of debt that Doug goes into when borrowing that $2. When borrowing the same amount over the course of 5 days, he'll be in debt a total of 10 dollars. So we'd write -10 to represent this.

You could also write it out the longer way

-2 + (-2) + (-2) + (-2) + (-2) = -10

There are five copies of "-2" being added up to arrive at -10

Though it's much simpler to say

5(-2) = -10

8 0
3 years ago
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