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All Questions
^{+0}
201927 Questions
0
24
1
help counting
There are 2 senators from each of the 50 states.
We wish to make a 3-senator committee in which two of the members are from the same state. In how many ways can we do it?
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Guest
Sep 14, 2021
0
35
4
+148
How to start?
There are some chocolate and strawberry candies in a container. 2/5 of the chocolate candies and 1/2 of the strawberry candies add up to 138 candies. 2/3 of the chocolates candies and 5/7 of the strawberry candies add up to 210 candies. How many chocolate
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Whayousayy
Sep 14, 2021
0
19
0
+148
Somebody help me with this ASAP please!!!!
Sabrina received a number of a text messages on her mobile phone. 5/9 of them were from her colleagues , 2/7 of them were from her family members and 1/5 of the remaining text messages were from her friend, Teri.
There were a total
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Whayousayy
Sep 14, 2021
0
28
1
+148
Use Ratio
A jar contained some blue, green and red marbles. At first, there were 1 1/2 times as many green marbles as blue marbles. For every 3 red marbles, there were 2 green marbles. 10 blue marbles were then added. As a result, 3/8 of the marbles in the jar were
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Whayousayy
Sep 14, 2021
0
27
2
Help
What is greater 0.33 or 0.334
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Guest
Sep 14, 2021
0
22
0
+86
Please help.
Ken, Leo and Mandy donated some money. Ken donated 1/4 of the total amount Leo and Mandy donated. Mandy donated 4/11 of the total amount of money that Ken and Leo donated. Leo donated $37.50 more than Ken. Express the amount of money Leo donated as a decimal
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KourageKowardlyDog
Sep 14, 2021
+1
43
2
+144
Any help will be appreciated!!!
Wesley bought some blue pens and gave half of them to Joshua. Joshua bought some
black pens and gave half of them to Wesley. Wesley used 3 black pens and Joshua used
6 blue pens. After that, the number of black pens Wesley had
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RunningManZZ
Sep 14, 2021
0
32
4
Please help. I don't understand.
Henry spent 3/8 of his money on a badminton racket. He spent 1/8 of his money on a watch. The badminton racket cost $14 more than the watch. How much money did Henry spend on the two items altogether?
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Guest
Sep 14, 2021
0
31
1
Kindly Help me detailed answer plz
Ben and Jerry shared an amount of money in the ratio 4:5. After Ben spent $78, the ratio of Ben's money to Jerry's money became 1:2. How much money did Jerry have?
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Guest
Sep 14, 2021
+1
38
4
+144
Please help me to keep solve this problem. Thanks
Vincent spent $25 less than 1/4 of his money on a basketball. He then spent 3/5 of the remaining
money and an additional $17 on a bag. He then spent $18 of his money on food and had $65
left. How much money did Vincent have at first?
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RunningManZZ
Sep 14, 2021
0
19
0
Algebra
If 725x + 727y = 1500 and 729x - 731y = 1500, what is the value of x + y?
Guest
Sep 14, 2021
0
19
0
Number Theory help
If a, b, and c are integers satisfying a + 1/b = 22/7, b + c = 18, then find c + 1/a.
Guest
Sep 14, 2021
0
17
0
Probability
Two numbers are independently selected from the set of positive integers less than or equal to 5. What is the probability that the sum of the two numbers is greater than 4? Express your answer as a common fraction.
Guest
Sep 14, 2021
0
18
0
Probability
A bag contains 6 red marbles, 5 blue marbles and 8 green marbles. If three marbles are drawn out of the bag, what is the probability, to the nearest 10th of a percent, that all three marbles drawn will be green?
Guest
Sep 14, 2021
0
24
1
Arithmetic series
The fifth term of an arithmetic sequence is 9 and the 32nd term is $88$. What is the 23rd term?
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Guest
Sep 14, 2021
0
25
1
Help
1/2 of the visitors at a fun fair were children and the rest were adults. 3/4 of the adults were women. There were 80 more children than women.
(a) How many of the visitors were children?
(b) How many of the visitors were adults?
<
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Guest
Sep 14, 2021
0
30
1
How ?
Cindy had some decorative lights. She used of the decorative lights for 12 small Christmas trees. She used of the remaining decorative lights for 10 big Christmas trees. Given that each big Christmas tree had 16 more decorative lights than each small
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Guest
Sep 14, 2021
0
31
3
physics
The mass of tithe earth is 5.98x10^24kg, and its radius is 6.38x10^8m. Compute the density of the earth, using powers-of-ten notation and the correct number of significant figures.
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Guest
Sep 14, 2021
0
34
2
geometry
The area of the base of a hemisphere is 100pi. What is the radius of the hemisphere?
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Guest
Sep 14, 2021
0
25
1
need help
The faces of an octahedral die are labeled with digits 1 through 8. What is the probability, expressed as a common fraction, of rolling a sum of 15 with a pair of such octahedral dice?
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Guest
Sep 14, 2021
0
31
1
algebra
A man is trying to enclose a round pasture. He has 240 feet of fence. How big(area) of a pasture can he enclose?
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Guest
Sep 14, 2021
0
39
5
geometry question
In the figure above line PS, bisects angle QPR . We can ensure that Triangle PQS= Triangle PRS by adding exactly one extra condition. Which
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Guest
Sep 14, 2021
0
33
1
need help
The mean age of 5 boys is equal to 9.8. Furthermore, the mean age of 15 girls is 10.2. The mean age of the 20 children together is equal to?
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Guest
Sep 14, 2021
0
31
0
Expressions
please :)
Guest
Sep 14, 2021
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