All Questions

483

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

543

please help

Find the value of x, y, and z. The trapezoids are similar.

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Guest Feb 6, 2021

494

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

358

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

507

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

506

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

544

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

439

what is 1,000,000 x 1,324,555

IDK you figure out your self

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Guest Feb 6, 2021

405

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

358

plez help with lines

Find the slope and y-intercept of the line in each graph.

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Guest Feb 6, 2021

368

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

533

+50

Help Appreciated

Can I have help?

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HomeSlice Feb 6, 2021

+12

545

+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

374

plz help

Find an equation for the line below.

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Guest Feb 6, 2021

536

set question

Which set of ordered pairs is linear? I'm getting C.

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Guest Feb 6, 2021

440

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

668

+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

614

+614

please help if you can

https://web2.0calc.com/questions/confused-pls-help

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xxJenny1213xx Feb 5, 2021

546

+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

529

+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

599

+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

533

+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

617

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

472

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

All Questions ⁺⁰237795 Questions

algebra

please help

trig

help with line

need help

triangle

In need of help with math question

what is 1,000,000 x 1,324,555

problem in geometry

plez help with lines

trig help

Help Appreciated

Suppose the domain of f is (-1,1). Define the function j by j(x)=f(1/x). What is the domain of j?

plz help

set question

probability

Two Variable Systems

please help if you can

Floors and Ceilings

Graphing Functions

Functional Operations

Range

help rectangle

HeLP

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