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Post New Question
All Questions
+0
230625 Questions
0
362
1
precalc
A polynomial P(x) is divided by x2+x-2. P(-2)=5, P(1)=20. Find the remainder of the division said above.
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Guest
Jan 8, 2019
0
659
4
algebra
Two positive numbers and have the property that their sum is equal to their product. If their difference is 7, what is ? Your answer will be of the form , where a and b don't both share a common factor with d and c has no square as a factor. Find a+b+c+d.
read more ..
Alan
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Guest
Jan 8, 2019
0
543
1
number theory
For each positive integer n, let S(n) denote the sum of the digits of n. For how many values of n is n+S(n)+S(S(n))=2007?
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Guest
Jan 8, 2019
0
576
1
probability
Question 1:
A point P is randomly placed in the interior of the right triangle below. What is the probability that the area of triangle PBC is less than half of the area of triangle ABC? Express your answer as a common fraction.
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Guest
Jan 8, 2019
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407
1
help
How many positive divisors of 30! are prime?
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Guest
Jan 8, 2019
0
527
2
help
The side length of a square is increased by 50%. By what percent is the area increased?
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Guest
Jan 8, 2019
0
2287
1
+1993
The two-way table shows the number of hours students studied and whether they studied with music.
The two-way table shows the number of hours students studied and whether they studied with music.
Studied
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jjennylove
Jan 8, 2019
+2
1990
3
+8
Help on HW
1) Square ABCD and rectangle ACEG have the same area. Find the ratio AC: CE.
2) Right triangle ABC has legs AC = 21 and BC = 28 and hypotenuse AB = 35. A square is inscribed in triangle ABC
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dietwater
Jan 8, 2019
Jan 7, 2019
+4
864
2
+43
Topic of the Day
Out of all the classic horror films who is your favorite...mine is the Goblin King by David Bowie from Labrynth HA
off-topic
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ClownPrinceofChaos
Jan 7, 2019
+1
2192
4
+1993
In a group of seventeen people, five play guitar and six play piano. Only two people play both piano and guitar.
In a group of seventeen people, five play guitar and six play piano. Only two people play both piano and guitar.
Which two-way table represents the data?
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jjennylove
Jan 7, 2019
0
801
1
+148
Sequences
There is a sequence of numbers such that every entry except for the first entry is the arithmetic mean of its two neighboring entries. The 27th entry is 94 and the 94th entry is 27. What's the first entry?
Thanks in advance!
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noobieatmath
Jan 7, 2019
0
658
1
What is the frequency of the sinusoidal graph?
What is the frequency of the sinusoidal graph?
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Guest
Jan 7, 2019
0
1780
1
Please help...pleaseeeee Greatly Appreiacted! Please anyone?
Andrew and John are both Beatles fans. Their respective collections share nine of the same albums. Andrew has seventeen albums in his collection. Six albums are in John's collection, but not Andrew's. How many albums are in either Andrew's or John's collection,
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Guest
Jan 7, 2019
0
643
3
help
How many different rational numbers between 1/1000 and 1000 can be written either as a power of 2 or as a power of 3, where the exponent is a (possibly negative) integer?
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Guest
Jan 7, 2019
0
1467
1
+1993
What is the standard deviation of the data set?
What is the standard deviation of the data set?
5, 9, 11, 4, 8, 9, 12
Round the answer to the nearest tenth.
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jjennylove
Jan 7, 2019
0
536
2
Extremely HARD -_- / Explain everything.
1) You have made two of the exact same necklaces that cost you a total of $15 in supplies. You have chosen to mark up the price by 15%. How much will each necklace be sold at and how much will you make in profit for each?
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Guest
Jan 7, 2019
0
1466
1
help
How many positive even perfect cubes are less than 2008?
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Guest
Jan 7, 2019
0
438
0
+476
Help Please
When you toss a fair coin, the probability of getting heads is 1/2 and the probability of getting tails is 1/2 .
When a coin is tossed 3 times, x is the number of heads. Create a probability distribution table for the variable x . Create a probability
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awsometrunt14
Jan 7, 2019
+2
489
2
+476
Please Help
A 20 ft ladder is placed next to a building. The ladder forms a 72° angle with the ground. How far is base of the ladder from the base of the building? Round your answer to the nearest tenth of a foot. Show your work.
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awsometrunt14
Jan 7, 2019
0
450
1
help asap please! thank you
y is inversely proportional to d^2
when d = 5, y = 20
d is directly proportional to x^2
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Guest
Jan 7, 2019
0
2299
4
Alicia buys a new car for $20,000.
Alicia buys a new car for $20,000. The value of the car decreases by 15% each year.
In about how many years will the value of the car be $10,440?
4 years
5 years
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Guest
Jan 7, 2019
0
676
1
help asap please, thank you!
There are only red cabbages, white cabbages and green cabbages in a sack.
The ratio of the number of red cabbages to the number of white cabbages is 3:29
Puljay takes at random a cabbage from the sack.
read more ..
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Guest
Jan 7, 2019
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