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Post New Question
All Questions
+0
230451 Questions
0
485
2
NEED HELP-counting
Syd chooses two different primes, both of which are greater than 10, and multiplies them. The resulting product is less than 500. How many different products could Syd have ended up with?
I need help with this, I got 36 but it's not right.
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Guest
Dec 15, 2019
0
735
2
+261
o_O
my friend asked me if i knew how to do this and i don't so here i am:
how many positive 4-digit integers are divisible by 8?
ElectricPavlov
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atlas9
Dec 15, 2019
0
1214
1
What is the smallest positive integer $n$ for which $n^2$ is divisible by 18 and $n^3$ is divisible by 640?
What is the smallest positive integer $n$ for which $n^2$ is divisible by 18 and $n^3$ is divisible by 640?
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Guest
Dec 15, 2019
0
821
4
+4
Help (Logarithmic Expressions and Earthquake Magnitudes)
I was doing this question for a homewokr assignment and don't understand how to solve this beacuse the value of S is never given. Please Help.
read more ..
ElectricPavlov
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Krypticsx
Dec 15, 2019
-2
793
4
+30
/gone
/gone
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whoisjoe
Dec 15, 2019
0
445
1
Help ASAP
Let be defined by . Calculate .
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Guest
Dec 15, 2019
0
530
2
Help please I don’t get this
There are 40 cars in a parking lot, all of which are 2-door or 4-door, and each car is either a compact car or an SUV. There are twice as many compact 4-door cars as compact 2-door cars, and three times as many 2-door SUVs as compact 2-door cars.
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Guest
Dec 15, 2019
0
383
1
help
You arrange the digits 1, 2, 3, 4, 5, 6 at random. What is the probability that you get a multiple of 12?
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Guest
Dec 15, 2019
0
488
1
help
How many ways can you place 5 x's and 4 o's in a 3 by 3 tic-tac-toe grid?
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Guest
Dec 15, 2019
+1
757
3
+537
Trig Help!
Find the minimum value of
For
Thanks!
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MathCuber
Dec 15, 2019
-1
729
1
+7
Eventful Problem
I am playing this game that has an event going on right now, but it requires me to wait until I have at least one energy before I get to do anything, okay? Well, the problem is, that, as of right now, I’m getting one energy every 5 minutes, and the maximum
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off-topic
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BronyGamer
Dec 15, 2019
0
376
1
Number Theory Help.
Of all 5-digit integers, how many of them are multiples of 2, 3, 4, 5, 6, 7, 8, 9 for each 5-digit integer? Thank you.
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Guest
Dec 15, 2019
0
386
1
help
Solve the equation (x + 5)^2 = 169.
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Guest
Dec 15, 2019
0
445
1
help
Three circles and three lines are drawn in the plane. What is the maximum number of points of intersection?
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Guest
Dec 15, 2019
0
544
2
Help please
There are 15 figure skaters in the Olympic women's competition, including 4 Americans. The gold medal goes to first place, silver to second, and bronze to third. In how many ways can the medals be awarded to three of the 15 figure skaters?
<
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Guest
Dec 15, 2019
+1
805
2
+7
Time Matter
I am playing this game that has an event going on right now, but it requires me to wait until I have at least one energy before I get to do anything, okay?
Well, the problem is, that, as of right now, I’m getting one energy every
read more ..
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BronyGamer
Dec 15, 2019
0
401
1
help
For the integers from 1 to 1000, how many multiples of 9 are also multiples of 6?
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Guest
Dec 15, 2019
0
387
1
geometry help
Find x^2.
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Guest
Dec 15, 2019
0
353
1
help
Solve the inequality 3x + 20 > -4x - 8.
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Guest
Dec 15, 2019
0
669
1
+296
Help
1. The diagram below shows twelve 30-60-90 triangles placed in a circle so that the hypotenuse of each triangle coincides with the longer leg of the next triangle. The fourth and last triangle in this diagram are shaded. The ratio of the perimeters of these
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EpicWater
Dec 15, 2019
0
724
1
Help, don't understand what to do
Find the complex number z that satisfies (1+i)z-2*conjugate of z* = -11+25i
I don't understand how this works, I tried distributing z and got z+zi-2*conjugate of z* = -11+25i, then I subtracted z+zi from both sides
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Guest
Dec 15, 2019
-1
1006
1
+318
Pre Calc
A bacteria culture starts with 600 bacteria. After 1 hour there are 1000 bacteria. Assuming the size of the culture grows exponentially, find the time required for the population size to double. (You may leave ln,log, and (or) e in your answer).
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mharrigan920
Dec 15, 2019
-1
862
2
+318
Pre Calc
(5 points) Let f(x) = 1−x^2. Find and simplify the difference quotient f(a+h)−f(a)/ h .
show work please
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mharrigan920
Dec 15, 2019
-1
748
1
+318
Pre Calc
Sketch the graph of the piecewise defined function
f(x) = 1−x if x ≤ 1,
1 if x > 1
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mharrigan920
Dec 15, 2019
0
710
1
help
Find all values of x that satisfy 6(x + 1/x)^2 - 35(x + 1/x) + 50 = 0.
Alan
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Guest
Dec 15, 2019
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