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Brrunno [24]
3 years ago
15

I need help with problem 2 please!

Mathematics
2 answers:
storchak [24]3 years ago
8 0
W and Z are both 30
because angles on a straight line = 180, the line diagonally top left to bottom right has an intersecting line with angle of 150.

180-150 = 30

this leaves angle Y which is 90-30 as it is a right angle. So angle Y is 60 and to get x, it is 90 due to the right angle. you can prove this by saying angles on a straight line are 180 and 180-(Y+ Z) or 180-(30+60) 
diamong [38]3 years ago
6 0
You can use protractors I think
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Select the correct answer.
Ratling [72]
I think it’s D but not completely sure!
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Find the next three numbers in the pattern 2, 3, 5, 8, ? ? ?
kompoz [17]

9,11,14

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Read 2 more answers
A set of piano prices distributed at a mean of 3000 and a standard deviation of 200 dollars. An electric piano has a price of 25
lana [24]

Answer:

The proportion of piano prices higher than the electric piano is 98.3%

Step-by-step explanation:

The first thing to do here is to calculate the standard score of the price of the electric piano given.

Mathematically, this is

z-score = (x-mean)/SD

where mean is 3000 and SD is 200, x is 2576

z-score = (2576-3000)/200 = -2.12

Now we proceed to calculate the probability of this z-score

The probability we are trying to calculate is

P( x > $2576) or simply P ( z > -2.12)

Using standard score probability calculator or table, we have

P(x>2576) = 1 - P(x<2576)

But, P(x<2576) = 0.017003

P(x>2576) = 1 - P(x<2576) = 0.983

This is same as 98.3%

4 0
3 years ago
2(3+ ‐ 4)(7‐3)÷(2‐ ‐2)​
steposvetlana [31]
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4 0
3 years ago
Which of the following is the most appropriate unit to describe the rate at which people are entering a theme park?
ad-work [718]

The <u><em>correct answer</em></u> is:

d) People per hour, because the dependent quantity is the people

Explanation:

In this situation, the two quantities are people and hours. These are the two things in this problem we can count or measure.

The independent variable is the one that causes a change, while the dependent variable is the one that <em>gets</em> changed. In this situation, the number of people change every hour; this means the number of people <em>gets</em> changed, which makes it the dependent variable. This means that the independent variable must be time.

Since people is dependent and time is independent, "people per hour" would be the best form of this statement.

6 0
3 years ago
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