# All Questions +0139306 Questions

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197
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### Help!

Guest Dec 6, 2017
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309
5

### Combinatorics

Guest Dec 6, 2017
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475
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+199

### ​ what is the perimeter of PQR

Johnnyboy  Dec 6, 2017
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+199

### ​ What is the value of X

Johnnyboy  Dec 6, 2017
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227
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+199

### I need some help #1

Johnnyboy  Dec 6, 2017
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231
2

### cos(−θ)=−√2/5 sin. θ>0

Guest Dec 6, 2017
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249
2

### The angle θ lies in Quadrant I.

Guest Dec 6, 2017
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195
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+578

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235
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+106
off-topic
foxy02  Dec 6, 2017
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220
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+164

### Further explanation needed for Value of X

Walthamx  Dec 6, 2017
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242
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+164

### Value of X?

Walthamx  Dec 6, 2017
-1
244
1

### finding angle b in question 1?

Guest Dec 6, 2017
+1
253
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+85
off-topic
killersteve27  Dec 6, 2017
0
264
1
+402

### 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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522
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+402

### 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
0
502
1
+402

### 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
0
389
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+402
RektTheNoob  Dec 6, 2017
+2
300
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+85
off-topic
killersteve27  Dec 6, 2017
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199
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+85
off-topic
killersteve27  Dec 6, 2017
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243
2
+85

### Thx

off-topic
killersteve27  Dec 6, 2017