Tell whether the angles are adjacent or vertical. Then find the value of x.

All the fraction that are greater than 1\2

never [62]

Hi There!

Change all the fractions to decimal you do that by dividing numerator by the denominator. Remember $\frac{1}{2}$ as a decimal is 0.5

A= $\frac{3}{7}$ = 0.43

B= $\frac{5}{9}$ = 0.60

C= $\frac{8}{10}$ = 0.8

D= $\frac{5}{12}$ = 0.42

E= $\frac{3}{5}$ = 0.6

Based, on the data above B,C,E are greater than $\frac{1}{2}$ because they all have decimals greater than 0.5, B= 0.6, C= 0.8, E=0.6

So, $\frac{5}{9} ,\frac{8}{10} ,\frac{3}{5}$ are all greater than $\frac{1}{2}$

Hope This Helps :)

6 0

3 years ago

NEED HELP ASAP PLEASE I NEED HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

lidiya [134]

I'm not going to give you the answer but I'll help you.

Step-by-step explanation:

Start by writing down your thoughts down and then form them into a paragraph.

- Write down your opinion of what classic is

- Give 3 traits/characteristics that makes that thing classic (high-quality, timeless, aged, eternal, original etc.)

- Then write down whether or not you think your definition of classic is different from the googled definition

8 0

3 years ago

A 3 mile walking trail has a distance maker every 1 / 5 mile.how many markers are along the trail?

oksano4ka [1.4K]

There's 6.Because there's 2 per mile. So 3x2 =6

6 0

3 years ago

Read 2 more answers

If the price of a car decreases by 12%, the price would be 26,880. What is the original price

melomori [17]

Answer:

26,880/12%=224000

Step-by-step explanation:

4 0

3 years ago

Consider testing H^0: u=20 against H^a: u<20 where u is the mean number of latex gloves used per week by all hospital employe

iragen [17]

Answer:

Part a: P-value

The first step is calculate the degrees of freedom, on this case:

$df=n-1=46-1=45$

Since is a one sided test the p value would be:

$p_v =P(t_{(45)}$

Part b: Conclusion

If we compare the p value and the significance level given $\alpha=0.01$ we see that $p_v>\alpha$ so we can conclude that we have enough evidence to fail reject the null hypothesis, and we can conclude that the true mean is not lower than 20 at 1% of signficance.

a. There is insufficient evidence to reject h^0

Step-by-step explanation:

Data given and notation

$\bar X=19.1$ represent the sample mean

$s=11.8$ represent the sample standard deviation

$n=46$ sample size

$\mu_o =20$ represent the value that we want to test

$\alpha=0.01$ 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.

We need to conduct a hypothesis in order to check if the mean is lower than 20, the system of hypothesis would be:

Null hypothesis: $\mu \geq 20$

Alternative hypothesis: $\mu < 20$

If we analyze the size for the sample is > 30 but we don't know the population deviation so is better apply a t test to compare the actual mean to the reference value, and the statistic is given by:

$t=\frac{\bar X-\mu_o}{\frac{s}{\sqrt{n}}}$ (1)

t-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".

Calculate the statistic

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

$t=\frac{19.1-20}{\frac{11.8}{\sqrt{46}}}=-0.517$

Part a: P-value

The first step is calculate the degrees of freedom, on this case:

$df=n-1=46-1=45$

Since is a one sided test the p value would be:

$p_v =P(t_{(45)}$

Part b: Conclusion

If we compare the p value and the significance level given $\alpha=0.01$ we see that $p_v>\alpha$ so we can conclude that we have enough evidence to fail reject the null hypothesis, and we can conclude that the true mean is not lower than 20 at 1% of signficance.

a. There is insufficient evidence to reject h^0

5 0

2 years ago