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Hatshy [7]
3 years ago
5

Select the two values of x that are roots or this equation x^2-5x+2=0

Mathematics
1 answer:
salantis [7]3 years ago
5 0

Answer:

(5/2, +-(square root 17)/ 2)

Step-by-step explanation:

1. find a,b, and c of the quadratic

2. use the quadratic formula to solve

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<u>Part a</u>

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<u>Part b</u>

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7 0
1 year ago
What is the measure of an interior angle of a regular 360-gon
marissa [1.9K]

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Step-by-step explanation:

6 0
2 years ago
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If the measure of angle ABD and DBC are a linear pair, with a measure of angle ABD = (5x+29) and measure of angle DBC=(2x+32),wh
Nonamiya [84]

Answer:

x = 17

Step-by-step explanation:

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7x = 119

x = 17

8 0
3 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

10.480=ab^{3}

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}

In the year 2028, x=28

so,

y=8.938(1.05448)^{28}

y= 39.474

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

5 0
3 years ago
Read 2 more answers
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