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Post New Question
All Questions
+0
230622 Questions
0
379
1
algebra
If $m$ is a real number such that $m^2+1 = 3m$, find the value of the expression below.
\[\large \frac{2m^5-5m^4+2m^3-8m^2}{m^2+1}\]
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Guest
Feb 6, 2021
0
446
3
please help
Find the value of x, y, and z. The trapezoids are similar.
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Guest
Feb 6, 2021
0
388
2
trig
In triangle XYZ, we have angle X = 120, tan Z = 3. What is cos Z? Answer with an exact number.
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Guest
Feb 6, 2021
0
266
1
help with line
find the value of a so that the points A(6, 2a) and B(-a, -2) lie on a line having slope 7.
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Guest
Feb 6, 2021
0
401
1
need help
PQ = 8, PR = 2x, TU = 2z + 3, ST = 5z
Find: PR and ST
read more ..
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Guest
Feb 6, 2021
0
407
1
triangle
In triangle ABC, AB = BC = 25 and AC = 40. What is the area of the triangle?
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Guest
Feb 6, 2021
0
437
1
In need of help with math question
The angle bisectors of triangle JKL are JQ, KQ, and LQ.
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Guest
Feb 6, 2021
0
342
1
what is 1,000,000 x 1,324,555
IDK you figure out your self
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Guest
Feb 6, 2021
0
311
1
problem in geometry
Suppose we have a square ABCD and we draw a circumference which goes through point A and the middle points of the sides BC and CD.
Which has the biggest perimeter, the square or the circle?
read more ..
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Guest
Feb 6, 2021
0
269
1
plez help with lines
Find the slope and y-intercept of the line in each graph.
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Guest
Feb 6, 2021
0
274
1
trig help
Degrees are not the only units we use to measure angles. We also use radians. Just as there are 360 degrees in a circle, there are 2*pi radians in a circle. Compute sin(pi/4), where the angle pi/4 is in radians.
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Guest
Feb 6, 2021
0
426
1
+50
Help Appreciated
Can I have help?
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HomeSlice
Feb 6, 2021
+12
461
1
+428
Suppose the domain of f is (-1,1). Define the function j by j(x)=f(1/x). What is the domain of j?
Suppose the domain of f is (-1,1). Define the function j by $j(x)=f(1/x)$. What is the domain of j?
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Dennis070sinneD
Feb 6, 2021
-1
292
1
plz help
Find an equation for the line below.
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Guest
Feb 6, 2021
0
440
1
set question
Which set of ordered pairs is linear? I'm getting C.
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Guest
Feb 6, 2021
0
342
2
probability
If you randomly drew a number between 1 and 100,000, what is the probability that its digits sum up to a number from 22 to 24?
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Guest
Feb 6, 2021
-2
612
2
+193
Two Variable Systems
Find an ordered pair $(x,y)$ that solves the system:
\begin{align*} 2x - 3y &= -3.2 - 0.2x + 0.1y,\\ x &= 0.6x - y + 8.8 \end{align*}
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clairepow
Feb 6, 2021
Feb 5, 2021
0
502
2
+614
please help if you can
https://web2.0calc.com/questions/confused-pls-help
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xxJenny1213xx
Feb 5, 2021
0
445
2
+193
Floors and Ceilings
How many values of $r$ are there such that $\lfloor r \rfloor + r = 15.5?$
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clairepow
Feb 5, 2021
-1
426
1
+193
Graphing Functions
Given that the point $(9,7)$ is on the graph of $y=f(x)$, there is one point that must be on the graph of $2y=\frac{f(2x)}2+2$. What is the sum of coordinates of that point?
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clairepow
Feb 5, 2021
0
498
5
+193
Functional Operations
Let $a\star b = \dfrac{\sqrt{a+b}}{\sqrt{a-b}}$. If $ x \star 24 = 7$, find $x$.
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clairepow
Feb 5, 2021
-1
430
2
+193
Range
Given that $f(x) = x^k$ where $k > 0$, what is the range of $f(x)$ on the interval $[1, \infty)$?
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clairepow
Feb 5, 2021
-1
521
1
help rectangle
Quadrilateral ABCD is a rectangle. The measure of angle CBE is equal to 32 degrees. Find the measure of angle BEC.
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Guest
Feb 5, 2021
0
362
1
HeLP
Let $f(x) = 4x - 7$, $g(x) = (x + 1)^2$, and $s(x) = f(x) + g(x)$. What is $s(3)$?
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Guest
Feb 5, 2021
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