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All Questions
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234963 Questions
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603
1
Car Travel
The radius of each wheel of a car is 25 cm. If each wheel rotates 15 times per second, how many metres does the car travel per second? (Take pi = 3.14. Round off the answer to the nearest whole number.)
Omi67
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Guest
Jan 16, 2017
0
638
3
2014 to the power of 14
2014 to the power of 14
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Guest
Jan 16, 2017
0
795
3
+4
These are so annoying with lots of complicated steps
A railway wagon with a mass of 20 tonnes is moving along a level track at 10 km/h when it collides and couples together with a second wagon with a mass of 25 tonnes moving in the same direction at 5km/h. If the two wagons couple together after the impact,
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QuestionMan
Jan 16, 2017
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623
1
3x-8>2x+3(3x) =
3x-8>2x+3(3x)????
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Guest
Jan 16, 2017
0
432
1
please help urgent!!
the speed of an electron in orbit about the nucleus of a hydrogen is 2.2x10^6 m/s. it takes 1.5x10^-16 s for the electron to complete one orbit. calculate the radius of the orbit
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Guest
Jan 16, 2017
0
1167
2
Suppose h(t) = -3t^2 + 12t + 4 is an expression giving the height of a diver above the water (in meters), seconds after the diver leaves the springboard. a.
Suppose h(t) = -3t^2 + 12t + 4 is an expression giving the height of a diver above the water (in meters), seconds after the diver leaves the springboard.
a. How high above the water is the springboard? Explain how you know.
b.
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Guest
Jan 16, 2017
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635
1
adj=10 opp=100 hyp=?
adj=10 opp=100 hyp=?
ElectricPavlov
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Guest
Jan 16, 2017
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3547
1
(I'm having trouble answering this word problem, please help me)
(I'm having trouble answering this word problem, please help me)
Susan is looking into a new cell phone carrier. She researches her options and finds the two companies which off the best reception in her neighborhood offer very different monthly
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ElectricPavlov
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Guest
Jan 16, 2017
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600
2
equation
s=2r^2+2rh
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Guest
Jan 16, 2017
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552
1
Absolute Value
how do you find absolute value
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Guest
Jan 16, 2017
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747
3
+63
some1 please..
Una has a collection of insects: 1/4 are butterflies, 2/7 are moths, and the rest are beetles.
HOW MANY INSECTS ARE BEETLES?
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coolboy21
Jan 16, 2017
0
1098
2
2x+y+3z=-12
2x+y+3z=-12
3x-2y-z=3
-x+5y+2z=-3
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Guest
Jan 16, 2017
0
527
1
Hello
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Guest
Jan 16, 2017
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643
1
Apples
If I have 33 apples and Lauren has 5 times as much. How many apples does Lauren have?
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Guest
Jan 16, 2017
0
847
2
+63
omg this question
tyler bought 7/6 meters of ribbon. she needs 2/5 meters to warp her brother's peresnt and 3/4 meters to warp her sister's present. DID SHE HAVE ENOUGH?
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coolboy21
Jan 16, 2017
0
1834
3
Help again
A pile driver hammer of mass 150 kg falls freely through a distance of 5m to strike a pile of mass 400kg and drives it 0.075m into the ground. The hammer does not rebound when driving the pile. Determine the average resistance of the ground.
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Guest
Jan 16, 2017
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561
1
+234
help x 2386285624
pls help x3 Unit digit of: 2^857+3^927 and (diff Question) 2^857*3^927 Please show all work :) ty
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HelpMeWithThisPlease
Jan 16, 2017
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