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Mekhanik [1.2K]
3 years ago
6

Which Expression Is Equivalent to 486-9+6+3^3•2

Mathematics
2 answers:
ValentinkaMS [17]3 years ago
8 0
486 - 9 + 6 + 3³ · 2 = 477 + 6 + 27 · 2 = 483 + 54 = 537
Drupady [299]3 years ago
6 0
486-9+6+27*2
=486-9+6+54
= 537
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In a recent survey, 10 percent of the participants rated Pepsi as being "concerned with my health." PepsiCo's response included
hichkok12 [17]

Answer:

The statistic for this case would be given by:

z=\frac{0.18 -0.1}{\sqrt{\frac{0.1(1-0.1)}{100}}}=2.67  

Step-by-step explanation:

Infromation provided

n=100 represent the random sample selected

X=18 represent the people who rates Pepsi as being "concerned with my health"

\hat p=\frac{18}{100}=0.18 estimated proportion of people who rates Pepsi as being "concerned with my health"

p_o=0.1 is the value that reference to compare

z would represent the statistic

Hypothesis to test

For this case we can assume that the interest is check if the proportion of people who rates Pepsi as being "concerned with my health" is equal to 0.1 or not , then the system of hypothesis are:

Null hypothesis:p=0.1  

Alternative hypothesis:p \neq 0.1  

The satistic for this one sample proportion test is given by:

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

Replacing the info given we got:

z=\frac{0.18 -0.1}{\sqrt{\frac{0.1(1-0.1)}{100}}}=2.67  

7 0
3 years ago
Alex bikes 2 3/4 miles. Then, she runs 1 2/4 miles. The distance she bikes is how many times the distance she runs?
Svet_ta [14]

Answer:

1.83 times

Step-by-step explanation:

Take the distance biked divided by the distance run.

2 3/4 / 1.5 = 1.83 times.

This means that Alex biked 1.83 times more than the distance she ran.

If this answer is correct, please make me Brainliest!

4 0
3 years ago
5x - 2 = 8 + 5y<br> Solve for y and show work.
solniwko [45]
The answer is “x=y+2” hopefully this helps :)))))

7 0
3 years ago
Emily has 7 apples . she cuts each apple into 6 slices. how many slices does Emily have ? white an equation to show how you slov
Nezavi [6.7K]

If you multiply 7 by 6 you get 42

So 7•6=42

8 0
3 years ago
Read 2 more answers
Graph the line by plotting y=x+8​
Zarrin [17]

The equation y = x + 8 uses the slope intercept form

Remember that the slope intercept formula is:

y = mx + b

m is the slope

b is the y-intercept

In this case

y = 1x + 8

m = 1

y = x + 8

b = 8 OR y-intercept of this line is (0, 8)

You can plot the point (0, 8) on a graph. Then to find the next point you will rise up 1 and over right 1 (this is the slope). You can find another point after that by going down one and left one from the point (0, 8)

The graph should look like the one in the image below

Hope this helped! Let me know if you have any further questions

~Just a girl in love with Shawn Mendes

6 0
3 years ago
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