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2 years ago

14

Explain how to use patterns or sequences to determine the last digit of the number 7N, where N is the four-digit year of your bi

rth.

1 answer:

maria [59]2 years ago

7 0

Ahh this is a good hard question, hopefully someone comes along and helps you out with it. Goodluck my friend!

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Solve this problem to find Y. 800 x Y = 4800

kupik [55]

Answer:

6

Step-by-step explanation:

800*Y=4800

Y=4800/800

Y=6

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3 years ago

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2 years ago

Interval is 0, 2pi) 4 sin^2x-4 sin x + 1 = 0

svetoff [14.1K]

Answer:

$\large\boxed{x=\dfrac{\pi}{6}\ \vee\ x=\dfrac{5\pi}{6}}$

Step-by-step explanation:

$4\sin^2x-4\sin x+1=0\\\\2^2\sin^2x-2(2\sin x)(1)+1^2=0\\\\(2\sin x)^2-2(2\sin x)(1)+1^2=0\qquad\text{use}\ (a-b)^2=a^2-2ab+b^2\\\\(2\sin x-1)^2=0\iff2\ain x-1=0\qquad\text{add 1 to both sides}\\\\2\sin x=1\qquad\text{divide both sides by 2}\\\\\sin x=\dfrac{1}{2}\to x=\dfrac{\pi}{6}\ \vee\ x=\dfrac{5\pi}{6}$

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3 years ago

Which of the following could be a measurement on a scale drawing that has a scale of 2:5? 2 in.:5 ft

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3 years ago

Please help, I don’t get this

koban [17]

Answer:

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2 years ago