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mojhsa [17]
3 years ago
8

Which of the following statements is true?

Mathematics
2 answers:
mash [69]3 years ago
6 0

Answer:

d

Step-by-step explanation:

Sholpan [36]3 years ago
6 0

Answer: A

Step-by-step explanation: I cant explain it, im 99999% sure im rigt! :)

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Select all possible values for x that solve the equation x^2=800
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x = √(800) and -√(800)

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Whats the area of x=9 ft, x=22ft, and z=109*
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The marked price of a machine is $1200. How much will it cost if there is a discount of 20%? *
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3 years ago
) How many kilowatt hours would the model predict on a day that has 14 hours of possible daylight?
eimsori [14]

Question:

A solar power company is trying to correlate the total possible hours of daylight (simply the time from sunrise to sunset) on a given day to the production from solar panels on a residential unit. They created a scatter plot for one such unit over the span of five months. The scatter plot is shown below. The equation line of best fit for this bivariate data set was: y = 2.26x + 20.01

How many kilowatt hours would the model predict on a day that has 14 hours of possible daylight?

Answer:

51.65 kilowatt hours

Step-by-step explanation:

We are given the equation line of best fit for this data as:

y = 2.26x + 20.01

On a day that has 14 hours of possible daylight, the model prediction will be calculated as follow:

Let x = 14 in the equation.

Therefore,

y = 2.26x + 20.01

y = 2.26(14) + 20.01

y = 31.64 + 20.01

y = 51.65

On a day that has 14 hours of daylight, the model would predict 51.65 kilowatt hours

8 0
3 years ago
Using the formula:<br> C= 21<br> Find the area of the circle.<br> 5m
Dimas [21]

Answer:

That would be A = 35.093665 m^2 (or depending on what label youre using)

8 0
2 years ago
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