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Post New Question
All Questions
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232818 Questions
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767
1
room
A room can be cleaned in 2 hours if rob and Harry work together. Ron could clean it in 3 hours. How long can harry clean it?
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Guest
Mar 1, 2020
0
652
1
+208
I need help turning this into a story?
It was noon that day I and my dad went and got our hunting licenses, and it was finally time for us to head home to prepare for our hunting trip. I had waited for a long time to spend some time with my dad from his busy schedule. My father and I packed
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monkeyree1124
Mar 1, 2020
0
434
1
help
Working alone, Hongyi can do a certain job in three hours and Yuming can do the same job in two hours. At these rates, how long would it take Hongyi and Yuming to do this job working together?
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Guest
Mar 1, 2020
0
2366
1
please help asap!!!
There are 8 streets to be named after 8 tree types. Ash, Birch, Elm, Fir, Maple, Pine, Spruce, and Willow. A city planner randomly selects the street names from the list of 8 tree types. Compute the probability of each of the following events.
Event
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Guest
Mar 1, 2020
0
1678
2
In triangle STU, we have ST = SU = 22 and TU = 8. Let M be the midpoint of and N be on such that is an altitude of triangle STU. If
In triangle STU, we have ST = SU = 22 and TU = 8. Let M be the midpoint of and N be on such that is an altitude of triangle STU. If and intersect at X, then what is SX?
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Guest
Mar 1, 2020
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366
1
help
Nico rolls a number cube numbered 1 through 6. If he rolls the dice twice, how many ways could his rolls add up to exactly 5?
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Guest
Mar 1, 2020
0
931
1
Triangle ABC is a right triangle with . Suppose is an altitude of the triangle,
Triangle ABC is a right triangle with . Suppose is an altitude of the triangle, is an angle bisector of the triangle, and is a median of the triangle, and . If P is on , then what is the measure of ?
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Guest
Mar 1, 2020
0
384
1
please help
Kevin and randy mouse have a jar containing 97 coins, all of which are either quarters or nickels. The total value of the coins in the jar is $14.25. How many of each type of coin do they have?
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Guest
Mar 1, 2020
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388
1
help
There are 13 animals in a barn. Some are chickens some are pigs . Altogether there are 40 legs in all . How many of each animal are there
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Guest
Mar 1, 2020
0
688
3
HELP!!! Can't solve this problem
Let and be nonzero real numbers such that Compute
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Guest
Mar 1, 2020
0
524
2
HALP!!!!
Find B - A if the graph of Ax + By = 3 passes through (-7,2) and is parallel to the graph of x + 3y = -5.
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Guest
Mar 1, 2020
0
712
2
need help on this
Three times the smaller of two consecutive even integers is the same as -146 minus 4 times the larger integer. Find the integer.
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Guest
Mar 1, 2020
0
941
1
help please
If a pair of standard dice are rolled, what is the probability that one die shows a 6 but not both of them?
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Guest
Mar 1, 2020
0
541
2
HELP PLS!!!!
Find B - A if the graph of Ax + By = 3 passes through (-7,2) and is parallel to the graph of x + 3y = -5.
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Guest
Mar 1, 2020
0
392
1
help
A regular square pyramid has a height of 6 and a base with sides of length 12. What is the: Lateral area of the pyramid?
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Guest
Mar 1, 2020
0
587
1
How many values of x with 0 degrees <= x <= 990 degrees satisfy sin x = -0.31 ?
How many values of with satisfy ?
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Guest
Mar 1, 2020
0
954
1
MATH HELP NEEDED
The energy given off by a spherical star, such as our sun, is equal to , where is a constant, is the surface area of the star, and is its temperature. Spherical star JZ114 has ten times the radius and half the
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Guest
Mar 1, 2020
0
351
1
find the rates
Savanna's truck takes two hours longer to travel 300 miles then Tony's car takes to travel 280 miles Tony's car travels 20 mph faster than savanna's truck Find the rates of Savanna and Tony
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Guest
Mar 1, 2020
Feb 29, 2020
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2
1098
1
Last month, a 750 g box of cereal was sold at a grocery store for $2.90. However, this month, the cereal manufacturer launched the same cere
Last month, a 750 g box of cereal was sold at a grocery store for $2.90. However, this month, the cereal manufacturer launched the same cereal in a 580 g box, which is being sold at $2.50. What is the percent change in the unit price?
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Guest
Feb 29, 2020
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492
2
please help
You roll a 6-sides die with faces number 1 through 6, and toss a coin. What is the probability of rolling a 2 or getting heads?
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Guest
Feb 29, 2020
0
688
2
help
In 45 years, Gabriela will be 4 times as old as she is right now. How old is she right now?
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Guest
Feb 29, 2020
+12
1393
4
+1072
Help Please!!!
Old MacDonald has 5 chickens, 4 donkeys, and 7 emus. How many ways can he pair up the animals so that every pair consists of animals of different species? (The order of the animals within each pair does not matter, and the order among the pairs does not
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SpongeBobRules24
Feb 29, 2020
0
645
1
help
A right prism has a base that is an equilateral triangle. The height of the prism is equal to the height of the base. If the volume of the prism is 81, what are the lengths of the sides of the base?
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Guest
Feb 29, 2020
0
1038
1
halp 2!!!
Megan has 12 pounds of cheesecake. On Monday, she and her friends eat 4 pounds. On Tuesday, she and her friends eat another 3 pounds. On Wednesday, her friend Mark gives her some more cheesecake so that she has 3 times as much as she had at the end of Tuesday.
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Guest
Feb 29, 2020
0
525
1
Helppppp!!!!
In the fraction x^5/3^x, x is an integer greater than 4 and the entire fraction is equal to a positive integer. What is the value of x?
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Guest
Feb 29, 2020
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