# All Questions +0131923 Questions

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### Help!

Guest Dec 6, 2017
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135
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### Combinatorics

Guest Dec 6, 2017
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+146

### ​ what is the perimeter of PQR

Johnnyboy  Dec 6, 2017
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+146

### ​ What is the value of X

Johnnyboy  Dec 6, 2017
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+146

### I need some help #1

Johnnyboy  Dec 6, 2017
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103
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### cos(−θ)=−√2/5 sin. θ>0

Guest Dec 6, 2017
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103
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### The angle θ lies in Quadrant I.

Guest Dec 6, 2017
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+547

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+104
off-topic
foxy02  Dec 6, 2017
-1
104
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+95

### Further explanation needed for Value of X

Walthamx  Dec 6, 2017
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126
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+95

### Value of X?

Walthamx  Dec 6, 2017
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117
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### finding angle b in question 1?

Guest Dec 6, 2017
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+85
off-topic
killersteve27  Dec 6, 2017
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113
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+322

### A cone is created by rotating an isosceles right triangle with leg length 2 about one of its legs. Its surface area is $\pi$ times what numb

RektTheNoob  Dec 6, 2017
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+322

### Mary has $6$ identical basil plants, and three different window sills she can put them on. How many ways are there for Mary to put the plant

RektTheNoob  Dec 6, 2017
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+322

### We have a triangle $\triangle ABC$ and a point $K$ on $BC$ such that $AK$ is an altitude to $\triangle ABC$. If $AC = 10,$ $BK = 7$, and \$BC

RektTheNoob  Dec 6, 2017
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139
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+322
RektTheNoob  Dec 6, 2017
+2
149
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+85
off-topic
killersteve27  Dec 6, 2017
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94
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+85
off-topic
killersteve27  Dec 6, 2017
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127
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+85

### Thx

off-topic
killersteve27  Dec 6, 2017

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