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Post New Question
All Questions
+0
234799 Questions
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1791
1
Two wheel gears are connected by a chain. The larger gear has a radius of 5
Two wheel gears are connected by a chain. The larger gear has a radius of 5 centimeters and the smaller gear has a radius of 3 centimeters. The smaller gear completes 36 revolutions in 20 seconds.
What is the linear velocity of each of the gears
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Guest
Apr 3, 2020
0
510
2
help
A bag contains purple marbles and blue marbles, 29 in total. The number of purple marbles is 1 less than 2 times the number of blue marbles. How many purple marbles are there?
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Guest
Apr 3, 2020
0
434
1
If s is a real number, then what is the smallest possible value of 2s^2-8s+19?
If s is a real number, then what is the smallest possible value of 2s^2-8s+19?
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Guest
Apr 3, 2020
0
417
2
probability
Two students will be chosen at random from 8 boys and 12 girls. What is the probability that a boy then a girl will be chosen?
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Guest
Apr 3, 2020
+1
476
1
+34
help
Find the number of integers n that satisfy n^2 <100
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sloppy
Apr 3, 2020
0
453
1
help
A school concert has students tickets for $7 and nonstudents tickets for $12. If the school made $1973 selling 214 tickets? How many student tickets were sold? How many nonstudent tickets were sold?
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Guest
Apr 3, 2020
0
898
2
+10
Ratio 2
Arthur is organising his collection of DVDs he has 60 all together The ratio of comedy films to action to Norris is 2 : 7 : 1 how many of each does he have?
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Guest101xxx
Apr 3, 2020
0
1351
4
+10
RATIO
If miss penny inherits £1040 She decided to save some money and spend the rest. The ratio of savings to spendings is 5 : 8 How much does she save and how much does she spend??
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Guest101xxx
Apr 3, 2020
0
611
5
+9
Ice cream
if 6 choc ice creams cost 360 pence how much do 7 cost
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Angelxxxx
Apr 3, 2020
0
512
1
help
How many 6-digit numbers contain exactly 4 different digits ?
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Guest
Apr 3, 2020
0
404
1
difficult geometry problem. help is appreciated :)
Circles and have radii and intersect at and . The distance between their centers is . Let be a point on circle , and let and intersect circle again
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Guest
Apr 3, 2020
0
568
3
Ice cream
If 6 Ice creams cost 420 pence how much do 11 ice creams cost
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Guest
Apr 3, 2020
0
389
0
please help
It takes Ms. Campbell 5 times as long as it takes Ms. Dorsey to paint a room. If Ms. Dorsey helps Ms. Campbell, they can paint the room together in four hours. How long does it take each to paint the room individually?
Guest
Apr 3, 2020
0
714
1
help!
A farm stand sells apples, a, for $4 a bucket, peaches, p, for $6 a bucket, and strawberries, s, for $9 a bucket. The stand earned $258 revenue last month. The stand sold half as many strawberry buckets as peach buckets, and 8 fewer apple buckets than peach
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Guest
Apr 3, 2020
0
2008
1
A spinner used in a board game is divided into 8 equally sized sectors.
A spinner used in a board game is divided into 8 equally sized sectors. Three of these sectors indicate that the player should move his token forward on the board, two of these sectors indicate that the player should move his token backward, and the remaining
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Guest
Apr 3, 2020
0
475
1
help
Diane, Alan, and Jim have a total of $108 in their wallets. Jim has 4 times what Alan has. Alan has $6 less than Diane. How much do they have in their wallets?
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Guest
Apr 3, 2020
0
1814
1
A bicycle is classified by the diameter of its tires. For example, a 20-inch bicycle has tires that...
A bicycle is classified by the diameter of its tires. For example, a 20-inch bicycle has tires that are 20 inches in diameter. The number of times a bicycle tire rotates in a given period of time is directly related to the distance traveled in that period
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Guest
Apr 3, 2020
Apr 2, 2020
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671
2
plzz help me
Hue is arranging chairs. She can form 3 rows of a given length with 2 chairs left over, or 8 rows of that same length if she gets 13 more chairs. Complete the equation and solve it to find how many chairs are in that row length. In your equation, use the
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Guest
Apr 2, 2020
+1
576
3
help
In parallelogram ABCD angleA = (2x)° and angleB = (3x)° Find the value of x
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Guest
Apr 2, 2020
+7
558
4
+773
HELP:(
The graph of y=ax^2+bx+c is given below, where a, b, and c are integers. Find a.
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whymenotsmart
Apr 2, 2020
+9
716
6
+773
do you guys play rainbow six siege, if you do, tell me what rank you are, your favorite operator on defense/attack.
do you guys play rainbow six siege, if you do, tell me what rank you are, your favorite operator on defense/attack. Also, please subscribe to my youtube channel "thegodlynoob". i'm about to hit 900k sus, so thank you, i'll post new cav interrogations!:)
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off-topic
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whymenotsmart
Apr 2, 2020
+6
619
2
+773
HELP PLEASE:)
What is the least integer value of x such that 2x+7 is less than or equal to 16 ?
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whymenotsmart
Apr 2, 2020
+1
2014
2
Geo Help - Thank you!!! Stay Safe :)
The sides of triangle XYZ are XY = XZ = 25 and YZ = 40. A semicircle is inscribed in triangle XYZ so that its diameter lies on line YZ, and is tangent to the
other two sides. Find the area of the semicircle.
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Guest
Apr 2, 2020
-1
1010
3
+223
Help CPHIL
The numbers x^3 and y^2 are inversely proportional. If x=2 when y=15, what is y if x=1 and y is positive? Write your answer in simplest radical form.
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CPhilFanboy
Apr 2, 2020
+1
755
1
please help-precalc
Angle x is a third quadrant angle such that cosx=−1/5 .
What is the exact value of cos(x/2) ?
Enter your answer, in simplest radical form, in the box.
cos(x/2) =
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Guest
Apr 2, 2020
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