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2 years ago

Does anybody know this?

Mathematics

1 answer:

Ugo [173]2 years ago

6 0

The coordinates of C are (a+c, b)
Coordinates of midpoint of AC are (a+c/2, b/2)

Coordinates of BD are (a+c/2, b/2)

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Ninety-five percent of test scores fall between 72 and 85. Assuming the data is normally distributed, what is

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Step-by-step explanation:

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2 years ago

Y dont know the answer, can you please help me?

sukhopar [10]

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2 years ago

The graph of the function with the given values f(-2)=-5 and f(4)=4

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2 years ago

Oil consumption in China grew exponentially from 8.938 million barrels per day in 2010 to 10.480 million barrels per day in 2013

Afina-wow [57]

Let the year represents x axis and consumption represents y axis.

Since 2010 is the initial year, x=0

and 2013 is third year , so x=3

Co-ordinates are (0,8.938)(3,10.480)

Exponential formula is $y=ab^{x}$

Putting the value of x in the above formula from 1st coordinate,

$8.938=ab^{0}$

As $b^{0}$ = 1

this gives a= 8.938

Now using the 2nd coordinate

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putting the value of a in it we have

$10.480=8.938b^{3}$

taking cube roots on both sides we get

b= 1.05448

Now putting the values of a and b in the exponential formula-

$y=8.938(1.05448)^{x}$

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Hence oil consumption per day in 2028 will be 39.474 million barrels.

5 0

2 years ago

Read 2 more answers

A set of three lines that has one point of intersection

Blababa [14]

If the question is, what is it? It is called this figure a pencil of lines.
А pencil of lines can consist of any number of straight, the main thing that they all had one common point. Here you can find a lot of vertical angles and rays.

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2 years ago