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Post New Question
All Questions
+0
233058 Questions
0
634
1
vertical line
A vertical line divides the triangle with vertices (0,0), (1,1) and (9,1) in the coordinate plane into two regions of equal area. The equation of the line is x = ?
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Guest
Jan 31, 2021
0
1
949
1
+61
find the average velocity.
The displacement (in feet) of a certain particle moving in a straight line is given s=t^3/8 by where t is measured in seconds. Find the average velocity over the interval (1, 1.8)
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Yaj143
Jan 31, 2021
0
415
1
what are x and y
If \(x+y=70\) and \(\dfrac{1}{x}+\dfrac{1}{y}=\dfrac{5}{84}\), what is \(xy\) if the variables are positive integers?
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Guest
Jan 31, 2021
0
401
0
+61
find the limit.
If 1 <_= f(x) <_ = x ^ 2 + 2x + 2 , for all x find the limit.
read more ..
Yaj143
Jan 31, 2021
0
701
4
+126
Area
The grid below contains 16 points whoce x and y coordinates are in the set of {0,1,2,3}. A square with all four vertices are among these 16 point has an area A. What is the sum of all possible A.
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geoNewbie21
Jan 31, 2021
0
415
1
wooden block
A wood of block measuring 5 in. by 6 in. by 7 in. is painted blue. It is then completely cut to cubes which measure 1 in. on an edge. How many cubes have 1 blue face?
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Guest
Jan 31, 2021
0
444
1
my calculator can't do this
\[ \frac{ 9999^{999}-9999^{998} } { 9999^{998} } = \ ? \]
Alan
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Guest
Jan 31, 2021
0
1
804
1
investment
Mr. Kheung had 2,000 dollars to invest. He invested part of it at 5% per year and the remainder at 4% per year. After one year, his investment grew to 2,095 dollars. How much of the original investment was at the 5% rate?
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Guest
Jan 31, 2021
0
269
0
coordinates
Find the value of \(k\) if the point \(P(0 ,2\)) is equidistant from \((3, k)\) and \((k, 5)\).
Guest
Jan 31, 2021
0
399
1
Recall that a Mobius transformation
Recall that a Mobius transformation has an equation of the form where a, b, c, and d are complex numbers.
Suppose that is a Mobius transformation such that , , and . Find the value of .
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Guest
Jan 31, 2021
0
422
2
need help
If \(a=(\sqrt{3}+\sqrt{2})^{-3}\) and \(b=(\sqrt{3}-\sqrt{2})^{-3}\), find the value of \( (a+1)^{-1}+(b+1)^{-1}\).
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Guest
Jan 31, 2021
+1
489
1
+328
How many two-digit numbers have non-zero digits whose sum is odd? For example,54and38.
How many two-digit numbers have non-zero digits whose sum is odd? For example,54and38.
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Potatobird
Jan 31, 2021
0
505
2
+68
help asap tysm
Marvin the fly starts at $(0,0).$ Each step, Marvin moves one unit right or one unit up. He is trying to get to the point $(5,7)$. However, at $(4,3)$ there is a frog that will eat him if he goes through that point. In how many ways can Marvin reach $(5,7)$?
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textot
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piano123
Jan 31, 2021
0
516
4
+68
help asap tyyy
There are ten people in the Baking Club, including Mark. They choose people to form an executive committee.
How many possible committees could be formed that include Mark?
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piano123
Jan 31, 2021
0
436
2
plz expln
During a football/soccer match, a goalkeepers save rate was $33\frac{1}{3}\%$.
After saving the next shot, it rose to $40\%.$ How many more consecutive shots on target must be saved to raise the save rate to $50\%?$
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Guest
Jan 31, 2021
0
401
1
finding area
Triangle ABC is a right angled triangle,AB is perpendicular to BC,E is a point on BC,D is a point on AB ,intersection of AE and CD is F, AD=10,DB=8 BE=6,EC=10, Then find the area of quadrilateral DBEF.
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Guest
Jan 31, 2021
0
366
1
HELP ASAP!
Let P(x) be a nonconstant polynomial, where all the coefficients are nonnegative integers. Prove that there exist infinitely many positive integers n such that P(n) is composite.
Hint: P(a)-P(b) is divisible by a-b.
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Guest
Jan 31, 2021
0
406
1
HELP ASAP!!!
1 .Find the solutions to
2. Find all the solutions to
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Guest
Jan 31, 2021
0
384
1
plz help with quadratic
Fill in the blank with a constant, so that the resulting quadratic is the square of a binomial: x^2 + 4x + ___
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Guest
Jan 31, 2021
0
254
0
help algebra
The average weight of a group of 150 students in a class is 60 kg. If the mean of weights of all the 50 male students in the class is 70 kg, then the average weight of 100 girls in the class is:
Guest
Jan 31, 2021
-2
269
0
asdf kjln;
arfiedojuswkph;aiujrfeohdklswp;ujiaorfeswd. remove this if u gay and 0 iq jajajaj
Guest
Jan 31, 2021
0
414
1
need help with coordinates
What is the y-coordinate of the point on the y-axis that is equidistant from points A( 2, 0) and B(-1,-4)?
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Guest
Jan 31, 2021
0
449
2
subsets
The number of subsets in set A is 192 more than the number of subsets in set B. How many elements are there in set A?
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Guest
Jan 31, 2021
0
352
1
geometry
Whats the area of a rhombus thats angles are 120, 120, 60, and 60 who's sides all equal 1.
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Guest
Jan 31, 2021
0
414
1
help pls, help=i gib u kookie
In the diagram below, $BE=EC=DF,$ and $\triangle ADF$ has the same area as $\triangle DEF.$ If rectangle $DXYF$ has area $42,$ what is the area of $\triangle ABC$?
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Guest
Jan 31, 2021
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