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All Questions
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152150 Questions
0
68
1
Help
Simplify the expression \[\frac{6}{\sqrt{36} + \sqrt{27}} + \frac{6}{\sqrt{27} + \sqrt{18}} + \frac{6}{\sqrt{18} + \sqrt{9}}.\]
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Guest
Jun 15, 2019
0
60
2
Help
For how many positive integers $x$ is $x^2 + 6x + 9$ between 20 and 40?
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Guest
Jun 15, 2019
0
59
1
Help
If $x$ and $y$ are numbers such that $9^x-4^y=10$ and $3^x-2^y=2$, compute $3^x+2^y$.
hectictar
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Guest
Jun 15, 2019
0
89
3
Pls Answer Quickly with steps! Thanks!
Mack the bug starts at (0 , 0) at noon and each minute moves one unit right or one unit up. He is trying to get to the point (5 , 7). However, at (2 , 3) there is a spider that will eat him if he goes through that point. In how many ways
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Guest
Jun 15, 2019
Jun 14, 2019
0
62
1
Help
Suppose ten distinct, positive integers have a median of 10. ("Distinct integers" means that no two integers are the same.)
What is the smallest the average of those ten integers could be?
Explain your answer in complete sentences.
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Guest
Jun 14, 2019
+1
94
3
+420
Number Theory Help
What is the smallest positive integer n such that n/2010 is a terminating decimal?
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xXxTenTacion
Jun 14, 2019
0
378
5
How to display latex properly
Rationalize the denominator of $\frac{\sqrt{5}+\sqrt{2}}{\sqrt{5}-\sqrt{2}}$. The answer can be written as $\frac{A+B\sqrt{C}}{D}$, where $A$, $B$, $C$, and $D$ are integers, $D$ is positive, and $C$ is not divisible by the square of any prime. If the greatest
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hectictar
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Guest
Jun 14, 2019
0
65
1
Help
If $(4x + 2y)^2 = 64$ and $xy = 2$, what is the value of $4x^2 + y^2$?
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Guest
Jun 14, 2019
0
70
0
+1206
Help!
The polynomial is a factor of . Enter all possible values of b, separated by commas.
Lightning
Jun 14, 2019
0
91
2
help! ):
Bill is sent to a donut shop to purchase exactly six donuts. If the shop has four kinds of donuts and Bill is to get at least one of each kind, how many combinations will satisfy Bill's order requirements?
I think the answer
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Guest
Jun 14, 2019
0
53
1
help
How many values of with satisfy ?
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Guest
Jun 14, 2019
0
61
1
+159
Help
A sequence is defined as follows: and
for all Find
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FlyEaglesFly
Jun 14, 2019
+8
108
0
+476
I've noticed alot of people needed help with how to upload a picture even with our great stickytopics post so I thought I would put this
I've noticed alot of people needed help with how to upload a picture even with our great stickytopics post so I thought I would put this together. when I first came I was having trouble on how to do it because I didn't realize soemthign that was missing
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off-topic
HiylinLink
Jun 14, 2019
0
48
0
Volume of Hole = 3.14 x (diameter of Hole/2)²xDepth
Annular Space Volume = volume of hole - volum of casing, where:
Volume of hole = 3.14 x (Diameter of Hole/2)² x Depth
and
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Guest
Jun 14, 2019
0
61
1
help
The minute hand of a 12-hour clock measures 10 cm from its tip to the center of the clock face, and the hour hand from its tip to the center of the clock face is 5 cm. What is the sum of the distances, in meters, traveled by the tips of both hands in one
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Guest
Jun 14, 2019
-4
85
6
+25
Wassup Guys?
Hows your day going?I mean Night. Day. Ok whatever time zone your in...
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ProffesorNobody
Jun 14, 2019
0
89
2
help
How many values of with satisfy ?
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Guest
Jun 14, 2019
-4
87
2
+25
Help?
5
Σ i ^ (i+2)
i=3
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ProffesorNobody
Jun 14, 2019
0
88
4
Given is the function f(x) = -3x + 2
Given is the function f(x) = -3x + 2
a. The graph of g starts from the graph of f by multiplying the x axis with the factor - 2/3 and shift it up 1/3. What is the function notation of g?
b. The graph of the function h(x) = -12x
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Guest
Jun 14, 2019
-4
66
2
+25
HALP
Four different coins are used in Australia with values of 5, 10, 20, and 50 cents. The Australian coins in Farmer Tim's pocket have a total value of $3.95, and he has at least one of each coin. What is the smallest number of coins that he could have in
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ProffesorNobody
Jun 14, 2019
+3
101
6
Como se puede cambiar un decimal a un fraccionario?
No encuentro como cambiar un numero decimal a un fraccionario
off-topic
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Guest
Jun 14, 2019
0
38
0
help appreciated
The matrices A and B are inverses. What is xy?
A = <1 x> B= <-1 x>
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Guest
Jun 14, 2019
0
67
1
help please
Let A be a 2*2 matrix such that det(A) = 7. Find det(3A)
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Guest
Jun 14, 2019
Jun 13, 2019
0
44
2
Help!
A tank is to be filled with water. When the tank is one-sixth full, 130 gallons of water are added, making the tank three-fifths full. How many gallons does the tank contain when it is completely full?
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Guest
Jun 13, 2019
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