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Post New Question
All Questions
+0
234777 Questions
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538
1
Julie is reading a 374-page novel
Julie is reading a 374-pagenovel. It takes her 6 days to read the first 132 pages. At this rate, how many more days will it take her to finish the novel?
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Guest
Feb 24, 2021
0
378
2
algebra
Given that x = -5 is a root to the quadratic 2x^2 + px - 15 = 0, and the quadratic equation p(x^2 + x) + k = 0 has equal roots, find k.
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Guest
Feb 24, 2021
0
404
1
coordinate geometry
Find the perimeter and area of the polygon with given vertices
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Guest
Feb 24, 2021
0
444
2
counting
There are 8 sprinters in the Olympic 100-meter finals, but 2 of them are disqualified. The gold medal goes to first place, silver to second, and bronze to third. In how many ways can the medals be awarded?
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Guest
Feb 24, 2021
0
471
1
+39
aretimetic and geometric functons..pls helpp
i have a test today on these topics and this is the review, these are a few of those questions and i don't know how to do them. pls help me with the
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winner08
Feb 24, 2021
0
461
2
+236
Angles are hard
What is the degree measure of an angle whose measure is double the measure of its complement?
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Choff
Feb 24, 2021
0
427
1
Dice roll
A standard six-sided die is rolled 6 times. You are told that among the rolls, there was one 1, two 2's, and three 3's. How many possible sequences of rolls could there have been? (For example, 3,2,3,1,3,2 is one possible sequence.)
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Guest
Feb 24, 2021
0
458
1
help!
At the bakery, cupcakes cost 50 cents each. Bagels cost $1.25. How much do two bagels cost? How much do two cupcakes cost? How much more do the bagels cost than the cupcakes?
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Guest
Feb 24, 2021
0
600
2
+10
Best Way to Pool Test Given Infection Rate
Suppose you have a group of 10,000 people where about 5% of them are infected. You have a testing pool machine which can pool up to 32 samples and tell you if one or more people are infected, or none are infected. What is the best strategy to figure out
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zixuntau
Feb 24, 2021
0
649
6
+10
Best Way to Covid Test
I know there's been a good amount written on COVID-19 pool testing, but I think my question is slightly different.
Suppose your PCR machine can pool a maximum of 32 samples and test it. If you know that there are two sick people in a group of 1000
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zixuntau
Feb 24, 2021
0
495
1
In the diagram, square ABCD has sides of length 4, and triangle ABE is equilateral. Line segments BE and AC intersect at P. Point
In the diagram, square ABCD has sides of length 4, and triangle ABE is equilateral. Line segments BE and AC intersect at P. Point Q is on BC so that PQ is perpendicular to BC and PQ=x.
Determine the measure of
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Guest
Feb 24, 2021
0
856
2
+236
How many degrees are in the measure of the smaller angle that is formed by the hour-hand and minute-hand of a clock when it is 5 o'clock?
How many degrees are in the measure of the smaller angle that is formed by the hour-hand and minute-hand of a clock when it is 5 o'clock?
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Choff
Feb 24, 2021
+1
1574
1
Bus A and Bus B leave the bus depot at 8 am. Bus A takes 25 minutes to complete its route once and bus B takes 35 minutes to complete its
Bus A and Bus B leave the bus depot at 8 am.
Bus A takes 25 minutes to complete its route once and bus B takes 35 minutes to complete its route once.
If both buses continue to repeat their route, at what time will they be back
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Guest
Feb 24, 2021
0
462
1
PLS HELP
Suppose that n is a positive integer such that in base 7, then n can be expressed as , and in base 11 then n can be expressed as . Find the largest possible value of n in base 10.
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Guest
Feb 24, 2021
+2
679
7
+592
Undecimal
Find how many digits the base ten number 11^8^5 has when written in base eleven.
I have an answer but I'm not sure if it's right because the question is kind of confusing to me.
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Logarhythm
Feb 24, 2021
+1
476
1
some advanced algebra...
Let x, y and z be three positive real numbers whose sum is 1. If no one of these numbers is more than twice any other, then find the minimum value of the product xyz.
thanks!!
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Guest
Feb 24, 2021
-1
477
1
+328
Jason's 'sock dilemma'
Jason had a lot of socks in his sock drawer — 25 white socks, 10 red socks, 12 blue socks, 3 rainbow socks, 3 green socks, 7 purple socks. He forgot to pack his socks for the field trip, but he was already late, so he decided to just grab some number of
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Potatobird
Feb 24, 2021
0
402
1
Factor, and show steps
pls show steps and factorwork
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Guest
Feb 24, 2021
0
402
1
proportion
If p is inversely proportional to the square of q, and p is 19 when q is 8, determine p when q is equal to 3
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Guest
Feb 24, 2021
0
391
1
algebra
The arithmetic mean between two numbers is 75 and their geometric mean is 21. Find the numbers.
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Guest
Feb 24, 2021
0
427
1
+28
factor
Factor with work
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NerdOFMathThanks
Feb 24, 2021
0
352
0
According to one source, the amount of data passing through mobile phone networks doubles each year.
According to one source, the amount of data passing through mobile phone networks doubles each year.
(a) Explain why the amount of data passing through mobile phone networks is an exponential function of time.
The amount of data grows by
read more ..
Guest
Feb 24, 2021
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