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Anit [1.1K]
3 years ago
14

You are working for the meteorological department in Hawaii. Your job is to keep track of the rainfall that 50 sites across Hawa

ii receive through the year. What type of statistical study is this?
A. theoretical study
B. experiment
C. observational study
D. survey
E. investigative report
Mathematics
1 answer:
dybincka [34]3 years ago
7 0
If you are working for the meteorological department in Hawaii, and your job is to keep track of the rainfall that 50 sites across Hawaii receive through the year, the type of statistical study that this is is C) observational study.
You are observing the amount of rainfall that happens throughout the year, so that is why this is an observational study. 
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4

Step-by-step explanation:

t is replaced by 4 and t = hours

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The general or standard form of a parabola is

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Intersection points are where y= 0, or x=0

itsnorigin at (,0,0)that means h=0, k=0

it passes through points (-1,2) and (1,2)

So then

y= ax^2 , 2 = a (-1)^2

this means a= 2

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1 year ago
For a production of sweeney todd in las vegas, orchestra seats cost $42 and mezzanine seats cost $25. if a group of 14 people sh
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Answer: 8 orchestra seats and 6 mezzanine seats.

Step-by-step explanation:

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Set up a system of equations:

\left \{ {{42o+25m=486} \atop {o+m=14}} \right.

You can apply the Substittution Method to solve the system of equations:

1. Solve for "o" from the second equation:

o=14-m

2. Substitute it into the first equation and solve for "m":

42(14-m)+25m=486\\\\588-42m+25m=486\\\\-17m=-102\\\\m=\frac{-102}{-17}\\\\m=6

3. Substitute the value of "m" into o=14-m and evaluate, in order to find the value of "o". This is:

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Step-by-step explanation:

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Alexxx [7]

Answer:

The function has been flipped due to the negative in front.

The function has been shifted 17 units to the left.

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Step-by-step explanation:

When functions are transformed there are a few simple rules:

• Adding/subtracting inside the parenthesis to the input shifts the function left(+) and right(-).

• Adding/subtracting outside the parenthesis to the output shifts the function up(+) and down(-).

• Multiplying the function by a number less than 1 compresses it towards the x-axis.

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The graph of (-2^{x+17}) -4.3 compares to 2^x in the following ways:

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