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lana66690 [7]
3 years ago
15

How many tables in a row are needed to seat 105 student?

Mathematics
1 answer:
brilliants [131]3 years ago
4 0
15 tables in a row are needed
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HELPPPPPPPPP best answer will get braainliest
ValentinkaMS [17]
180 (and then whatever the units of measure are)

to find the perimeter you have to add all four sides together to get your total. (3y+2)+(3y+2)+(5y+8)+(5y+8)

y=180
4 0
2 years ago
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Solve on the interval [0,2pi): 2cscx+5=1
pantera1 [17]

x\in[0,\ 2\pi)\\\\2\csc x+5=1\ \ \ \ |-5\\\\2\csc x=-4\ \ \ \ |:2\\\\\csc x=-2\\\\\dfrac{1}{\sin x}=-2\to\sin x=-\dfrac{1}{2}\to x=-\dfrac{\pi}{6}+2k\pi\ \vee\ x=\dfrac{7\pi}{6}+2k\pi\\\\x\in[0,\ 2\pi)\to x=-\dfrac{\pi}{6}+2\pi=\dfrac{11\pi}{6}\ \vee\ x=\dfrac{7\pi}{6}\\\\Answer:\ \boxed{D.\ \dfrac{7\pi}{6},\ \dfrac{11\pi}{6}}}

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3 years ago
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vesna_86 [32]
I think 7 but I'm not sure
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2 years ago
What is the surface area of this prism?<br> 5 yd<br> 5 yd<br> 11 yd<br> 6 yd
vovikov84 [41]
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5 0
3 years ago
The start of the hike, a hiker was at -50 below sea level and climbs a rate of 15 feet per minute
Helen [10]

Answer:

B. -50+15t>5

Step-by-step explanation:

Because the hiker climbs at a rate of 15 feet per minute, the hiker will climb 15t feet in t minutes. Therefore, -50 + 15t would represent where the hiker would be after t minutes. According to the problem, -50 + 15t is greater than 5

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