There were 75 rocks is Boxes A,B, and C. After moving 28 rocks fro Box A to B, 24 rocks from B to C, and 19 rocks from C to A,there was an equal number of rocks in each box. How many rocks were in Box A in the beginning?
Answers
Answer 1
Answer:
I actually did this kind of question earlier today in a math contest. It took me a while to get it, but it was quite easy.
So we basically know that:
Now here comes the tricky part. We have to determine how many rocks there are in each box.
The easy thing about this is that we already know what will be in the boxes after the movements. It's just
.
So now we know, that after the movements, each of the boxes will contain 12.
Lets do the operations on the boxes.
And we find that:
And from that, we get:
Hope that helped! Enjoy.
~Cam943, Junior Moderator
So we basically know that:
Now here comes the tricky part. We have to determine how many rocks there are in each box.
The easy thing about this is that we already know what will be in the boxes after the movements. It's just
So now we know, that after the movements, each of the boxes will contain 12.
Lets do the operations on the boxes.
And we find that:
And from that, we get:
Hope that helped! Enjoy.
~Cam943, Junior Moderator
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To find this, use the Pythagorean theorem; 
x=√55mm, and y=3mm
(√55)²+3²=z²
55+9=z²
64=z²
√64=z
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The answer is C: 8mm
x=√55mm, and y=3mm
(√55)²+3²=z²
55+9=z²
64=z²
√64=z
8=z
z=8mm
The answer is C: 8mm
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1, y 3
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Answers
Answer:
7π/6.
Step-by-step explanation:
The range in the third quadrant is π to 3π/2 ( or π to 1.5π) so its not π/3 or 3π/4.
5π/3 = 1.67π so it's not this one.
7π/6 = 1.167π so it's this one.
Answers
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