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Brums [2.3K]
3 years ago
14

What are the coordinates of point S.

Mathematics
1 answer:
Taya2010 [7]3 years ago
8 0

Answer:

A

Step-by-step explanation:

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If 36 is 25% of the total, what is the total?
Alexandra [31]
Answer:144
Explanation: 25% of the total in other words means that it is 1/4 (a quarter). You could just multiply 36 by 4 to get the total (100%). If u want to verify, just multiply 144 by 0.25 and u should get 36.
7 0
3 years ago
In a class of 30 students, everyone has either a pierced nose or a pierced ear. The professor asks everyone with a pierced nose
e-lub [12.9K]
There are 4 students who have piercings both on their ear and their noses.

4 0
3 years ago
397 of 514 randomly selected U.S. adults interviewed said they would not be bothered if the National Security Agency collected r
Afina-wow [57]

Answer:

z=14.73

p=0.000

for 99% confidence level the null hypothesis is rejected, thus majority of us adults would not bothered if the NSA collected personal records.

Step-by-step explanation:

H_{0}: Half of US adults would not bothered if the NSA collect records of personal telephone calls

H_{A}: Majority of the adults would not bothered if the NSA collect records of personal telephone calls

According to the sample, z-value can be found using the formula:

z=\frac{X-M}{\sqrt{n*p*(1-p)} } where

  • X is the adults, who would not be bothered in the survey (397)
  • M is the mean of the distribution of null hypothesis (257)
  • n is the sample size (514)
  • p is the proportion of the sample, who said they would not bothered ( \frac{397}{514} ≈ 0.77)

Putting these numbers in the formula,

z=14.73  and corresponding p value is p≈0.000

Since p<0.01,  for 99% confidence level we reject the null hypothesis, thus majority of us adults would not bothered if the NSA collected personal records.

8 0
3 years ago
Fully answer BOTH questions a and b below.
Setler [38]
A. 540 is 60% of 900 so 900 people were surveyed.
60/100 • x= 540
Multiply both sides by 100
Then divide both sides by 60

B. If you subtract 900-540 your answer will be 360. 360 people preferred running.
6 0
3 years ago
The product of a number squared and three is equal to seven
gogolik [260]
N²+3=7
n²=4
n=+/- 2
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4 0
3 years ago
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