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Mrac [35]
2 years ago
8

Someone please help me with this :(

Mathematics
1 answer:
ratelena [41]2 years ago
7 0

Answer:

Please find attached pdf

Step-by-step explanation:

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Is 4/5 greater or less than 7/12
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andrezito [222]

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Step by Step Explanation: BRAINLIEST?!?

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An escalator lifts people to the second floor of a building, 21 ft above the first floor. the escalator rises at a 30 degree ang
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We use the trigonometric function for this case. An escalator is an inclined path. We form a right triangle since we have given the value of the height. The height from the first floor to second floor is called the adjacent while the travelled distance of the people is called the hypothenuse. We use cosine function because we are given in terms of adjacent and hypothenuse. The ratio of cosine function is
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3 years ago
Solving quadratic equation using the completing method.<br>(a).x^2+6x+1=0​
irina1246 [14]

Answer:

x = -3 + 2\sqrt2  \ , \ x = -3 - 2\sqrt2

Step-by-step explanation:

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a = 1 , b = 6 , c = 1

x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}\\\\x = \frac{-6 \pm \sqrt{36-4}}{2}\\\\x=\frac{-6 \pm \sqrt{32}}{2}\\\\x= \frac{-6 \pm \sqrt{16 \times 2}}{2}\\\\x = \frac{-6 +4\sqrt2 }{2}\\\\x = -3 + 2\sqrt2  \ , \ x = -3 - 2\sqrt2

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3 years ago
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