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saveliy_v [14]
2 years ago
9

Evaluate the trigonometric funtion of the angle theta​

Mathematics
1 answer:
jeka57 [31]2 years ago
8 0
The last side would be 10
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A car travels 200 miles using 8 gallons of gasoline. What's the unit rate in miles per gallon? Please write
inn [45]

Answer:

0.04

Step-by-step explanation:

what you would do is 8 divided by 200 and get 0.04

please mark me brainliest

4 0
3 years ago
Read 2 more answers
Which number is greater 20% or 0.02
mylen [45]
To compare these two values, we need them to be in the same form.  

To convert 20% into a decimal, we divide 20/100, or 0.20.  

When comparing decimals, we know that 0.2 > 0.02. 

Therefore, 20% > 0.02.  (20% is greater than 0.02)
3 0
3 years ago
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A theory predicts that the mean age of stars within a particular type of star cluster is 3.3 billion years, with a standard devi
Luden [163]

Answer:

Null hypothesis:\mu \leq 3.3  

Alternative hypothesis:\mu > 3.3  

z=\frac{3.4-3.3}{\frac{0.4}{\sqrt{50}}}=1.768  

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

p_v =P(z>1.768)=0.039  

Step-by-step explanation:

Data given and notation

\bar X=3.4 represent the sample mean  

\sigma=0.4 represent the population deviation for the sample

n=50 sample size  

\mu_o =3.3 represent the value that we want to test  

\alpha represent the significance level for the hypothesis test.  

t would represent the statistic (variable of interest)  

p_v represent the p value for the test (variable of interest)  

State the null and alternative hypotheses to be tested  

We need to conduct a hypothesis in order to determine if the mean is higher than 3.3, the system of hypothesis would be:  

Null hypothesis:\mu \leq 3.3  

Alternative hypothesis:\mu > 3.3  

Compute the test statistic  

We know the population deviation, so for this case is better apply a z test to compare the actual mean to the reference value, and the statistic is given by:  

z=\frac{\bar X-\mu_o}{\frac{\sigma}{\sqrt{n}}} (1)  

z-test: "Is used to compare group means. Is one of the most common tests and is used to determine if the mean is (higher, less or not equal) to an specified value".  

We can replace in formula (1) the info given like this:  

z=\frac{3.4-3.3}{\frac{0.4}{\sqrt{50}}}=1.768  

P value

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

p_v =P(z>1.768)=0.039  

6 0
2 years ago
Write an equation<br> in slope y-intercept form A(2,6),m=0
REY [17]

Solve for b:

y = 0x + b

6 = 0 + b

b = 6

The answer is y = 0x + 6

3 0
3 years ago
2 numbers whose sum is 23 and difference is -81
xz_007 [3.2K]
What are you trying to say?
5 0
2 years ago
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