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Serjik [45]
2 years ago
6

Write the fraction 7/33 as a decimal.

Mathematics
2 answers:
timama [110]2 years ago
7 0
 7/33 as a decimal is <span>0.21212121212</span>
Alex787 [66]2 years ago
4 0
To get 7/33 converted to decimal, you simply divide 7 by 33. 

7/33 as a decimal is:

<span>0.212121212
</span>Mark me as brainliest if I helped :)
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If f(x) = 3x - 12, what is f(2)?<br>O A. -18<br>O B. -6<br>O c. 6<br>O D. 18​
zhannawk [14.2K]

Replace x with 2:

f(x) = 3x -12:

f(2) = 3(2) - 12

= 6 - 12

= -6

3 0
3 years ago
Read 2 more answers
Does going to a private university increase the chance that a student will graduate with student loan debt? A national poll by t
Snowcat [4.5K]

Answer:

Null hypothesis:p \leq 0.69  

Alternative hypothesis:p > 0.69  

Step-by-step explanation:

1) Data given and notation

n=1500 represent the random sample taken

X represent the number of graduates that had student loan debt in 2014

\hat p=0.71 estimated proportion of adults that said that it is morally wrong to not report all income on tax returns

p_o=0.69 is the value that we want to test

\alpha represent the significance level  

z would represent the statistic (variable of interest)

p_v represent the p value (variable of interest)  

2) Concepts and formulas to use  

We need to conduct a hypothesis in order to test the claim that if there was a significant increase in the proportion of student loan debt for public and nonprofit colleges in 2014 respect to the value of 2013.:  

Null hypothesis:p \leq 0.69  

Alternative hypothesis:p > 0.69  

When we conduct a proportion test we need to use the z statistic, and the is given by:  

z=\frac{\hat p -p_o}{\sqrt{\frac{p_o (1-p_o)}{n}}} (1)  

The One-Sample Proportion Test is used to assess whether a population proportion \hat p is significantly different from a hypothesized value p_o.

3) Calculate the statistic  

Since we have all the info requires we can replace in formula (1) like this:  

z=\frac{0.71 -0.69}{\sqrt{\frac{0.69(1-0.69)}{1500}}}=1.675  

4) Statistical decision  

It's important to refresh the p value method or p value approach . "This method is about determining "likely" or "unlikely" by determining the probability assuming the null hypothesis were true of observing a more extreme test statistic in the direction of the alternative hypothesis than the one observed". Or in other words is just a method to have an statistical decision to fail to reject or reject the null hypothesis.  

The significance level assumed is \alpha=0.05. The next step would be calculate the p value for this test.  

Since is a right tailed test the p value would be:  

p_v =P(Z>1.675)=0.047  

If we compare the p value obtained and using the significance level assumed \alpha=0.05 we have p_v so we can conclude that we have enough evidence to reject the null hypothesis, and we can said that at 5% of significance the proportion of adults that said that it is morally wrong to not report all income on tax returns  is not significantly higher than 0.69.  

5 0
3 years ago
37​% of a certain​ country's voters think that it is too easy to vote in their country. you randomly select 12 likely voters. fi
Elenna [48]
Multiply 12 by 37%.
12 × 0.37 = 4.44

B) at least 4

It could also be c... 4.44 is less than 8. But B is the closest answer to 4.44.
4 0
3 years ago
Helppp ! please and thank you .
Gnoma [55]

Answer:166

Step-by-step explanation:

SA=2lw+2lh+2hw so 2*4*5+2*7*5+2*7*4

so 40+70+56=166

6 0
3 years ago
Find the value of the variable.
Fantom [35]

Answer:

Solution given:

y=25 [base side of isosceles triangle]

sin 45=opposite/hypotenuse

sin45=25/x

x=25/sin45

x=25√2

6 0
3 years ago
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