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Post New Question
All Questions
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230633 Questions
0
331
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
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312
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
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303
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
324
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
337
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
308
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
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208
0
Expressions
please :)
Guest
Sep 14, 2021
0
308
1
Equation
Solve the following equation for x. Express your answer in the simplest form.
8(2x - 4) = -4(-4x + 8)
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Guest
Sep 14, 2021
0
375
2
help math
Given the length of the rectangle is 1/3 times the width. The perimeter is 24cm. What is the area of the rectangle?
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Guest
Sep 14, 2021
0
424
2
How many points of intersection are there between the graphs of the following equations:
How many points of intersection are there between the graphs of the following equations:
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Guest
Sep 14, 2021
0
295
1
Help algebra
Find all values of t such that 6^(3t - 1) = 36^t.
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Guest
Sep 14, 2021
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336
1
Need help in this combinations topic. Please ASAP
From a group of 2 cats, 3 dogs, and 10 pigs we want to choose a committee of 6 animals. In the group, Joe Cat, Billy Dog and Samuel P*g dislike each other and will not work in the same group. How many compatible committees are there
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Guest
Sep 14, 2021
0
248
3
Algebra
Paddling with the current, a canoeist can travel 30 km in 5 hours. Against the current, the canoeist takes 6 hours and 15 minutes to travel the same distance. Find the rate of the canoeist in still water and the rate of the current.
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Guest
Sep 14, 2021
Sep 13, 2021
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304
1
Geometry
Find [ABD].
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Guest
Sep 13, 2021
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184
0
Counting
How many ways can you distribute 4 different balls among $5$ identical boxes?
Guest
Sep 13, 2021
+1
352
1
+101
could anyone explain this?
what is the sum of all the integers from -100 to 98? (a variable is not needed)
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vxnessa
Sep 13, 2021
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309
1
Geometry
Two cars leave the same parking lot, with one heading north and the other heading east. After several minutes, the northbound car has traveled 1 mile, and the eastbound car has traveled 4 miles. Measured in a straight line, how far apart are the two cars?
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Guest
Sep 13, 2021
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207
0
Fractions
Three candidates were running for office. One of them got half of the vote. Another got two fifths of the vote. What fraction did the third candidate get?
Guest
Sep 13, 2021
0
299
1
help trig
In triangle ABC, find sin A if b = 2*sqrt(10), c = 11, and a = 9.
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Guest
Sep 13, 2021
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358
1
+4
random question
If Chad has 14 stickers and half of those are silver. Sarah has 29 more stickers but 5 fewer silver stickers than Chad. If Sarah got 18 more stickers and 40% of those were silver, how many total stickers would she have if she bought them till she had
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IMMASAYTHENWORD
Sep 13, 2021
+1
301
3
Math
If Jack gives 10 of his stickers to Sharif, Sharif will have 1/4 as many stickers as Jack. If Jack gives 34 of his stickers to Sharif, Sharif will have 1/2 as many stickers as Jack. How many stickers does Jack have?
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Guest
Sep 13, 2021
0
290
1
help plz
The ratio of the measures of the sides of a triangle is 2:7:6. if the perimeter of the triangle is 345 yards, find the measure of the median side.
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Guest
Sep 13, 2021
0
248
1
Please help ASAP. Thanks
3/5 of Adam's savings is equal to 2/3 of Ben savings. The difference in their savings is equal to 1/5 of Cory's savings. Given that Adam saves $35 more than Cory, how much must Ben give to Cory so that both of them have the same amount of savings?
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Guest
Sep 13, 2021
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322
2
Probability
Two two-digit counting numbers (from 10 to 99, inclusive) were chosen randomly.These two integers could be the same or different. What is the probability that thedifference between these two numbers is at most 3?
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Guest
Sep 13, 2021
0
297
2
Help with inequality
Solve the following inequality for m. Write your answer in simplest form.
-10m + 8 <= 10m - 2
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Guest
Sep 13, 2021
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