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Bas_tet [7]
3 years ago
7

F(x) -x^2 -2x+13 help

Mathematics
2 answers:
Sedaia [141]3 years ago
5 0
-3 hope i helped :) !!!!
melamori03 [73]3 years ago
4 0

Answer:

x =1 or -3

Step-by-step explanation:

10 = -x^2 - 2x + 13

when you solve that equation^ you get your answer to be either 1 or -3. Since -3 is a negative number, I would just type in x = 1

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1.22 dollars after sales tax

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3 years ago
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One number exceeds another by 26. the sum of the numbers is 58. what are the numbers
Gnom [1K]
First number = X

second number = x +26  ( exceeds means higher so add 26)

x + x+26 = 58

combine like terms:

2x + 26 = 58
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2x = 32

divide both sides by 2:
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5 0
3 years ago
The population of a city has increased by 15% since it was last measured if the current population is 43700 what was the previou
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Answer:

37,145

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8 0
2 years ago
From a height of 50 meters above sea level on a cliff, two ships are sighted due west. The angles of depression are 61° and 28°.
Olenka [21]

Answer:

The ships are 66 meters apart.

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As shown in the figure, the distances to the ships from right triangles.

The distance to the ship A is d_1 and it is given by

tan (61^o)= \dfrac{50}{d_1}

d_1=\dfrac{50}{tan (61^o)}

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And the distance to the ship B is d_2 and is given by

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d_2=\dfrac{50}{tan (28^o)}

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3 years ago
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