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daser333 [38]
3 years ago
8

TIME REMAINING

Mathematics
1 answer:
34kurt3 years ago
3 0

Answer:

19.6

Step-by-step explanation:

24.5 x. 8

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PLEASE HELP. ITS A MINI-QUIZ / HOMEWORK AND ITS TRIANGLES.
polet [3.4K]

Answer:

76 degrees

180-38-38 is 104

180-104 is 76 since it's a straight line which equals to 180 degrees

3 0
3 years ago
Read 2 more answers
Isip at kilos loob ng<br> paaralan​
Afina-wow [57]
Lol I actually laughed at this silly much ?
7 0
3 years ago
A study of pollutants showed that certain industrial emissions should not exceed 2.3 parts per million. You believe a particular
Musya8 [376]

Answer:

t=\frac{3.3-2.3}{\frac{0.4}{\sqrt{9}}}=7.5    

The degrees of freedom are given by:

df=n-1=9-1=8  

And the p value would be:

p_v =P(t_{(8)}>7.5)=0.0000346  

Since the p value is lower than the significance level we have enough evidence to reject the null hypothesis and we can conclude that the true mean is significantly higher than 2.3 ppm the safe limit

Step-by-step explanation:

Information provided

\bar X=3.3 represent the sample mean in ppm

s=0.4 represent the sample standard deviation

n=9 sample size  

\mu_o =2.3 represent the value to verify

\alpha=0.05 represent the significance level

t would represent the statistic  

p_v represent the p value

System of hypothesis

We want to verify if the true mean is higher than 2,3 ppm, the system of hypothesis would be:  

Null hypothesis:\mu \leq 2.3  

Alternative hypothesis:\mu > 2.3  

The statistic for this case is given by:

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

Replacing the info given we got:

t=\frac{3.3-2.3}{\frac{0.4}{\sqrt{9}}}=7.5    

The degrees of freedom are given by:

df=n-1=9-1=8  

And the p value would be:

p_v =P(t_{(8)}>7.5)=0.0000346  

Since the p value is lower than the significance level we have enough evidence to reject the null hypothesis and we can conclude that the true mean is significantly higher than 2.3 ppm the safe limit

6 0
3 years ago
Mona's scores on 5 math tests were 83,67, 79, 92 &amp; 70. She needs an average score of 81 to receive a B grade on the report c
Alina [70]
Is it multiple choice?

EDIT: The answer is 95.
6 0
2 years ago
There are 79 milligrams of cholesterol in a 3.1 ounce serving of lobster. How much cholesterol is in 11 ounces of lobster?
Nata [24]

Answer:

11 ounces has =  280.3 milligrams

Step-by-step explanation:

Given that:

79 milligrams of cholesterol in a 3.1 ounce serving of lobster.

So

1 ounce has = 79/3.1 milligrams

1 ounce has = 25.484 milligrams

11 ounces has = 25.484 * 11 milligrams

11 ounces has =  280.323 milligrams

Rounding off to nearest tenth:

11 ounces has =  280.3 milligrams

i hope it will help you!

6 0
2 years ago
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