All Questions ⁺⁰237796 Questions

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332

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Domain

If h(x) is a function whose domain is [-8,8], and g(x) = h(x^2), then the domain of g(x) is an interval of what width?

Guest Jul 31, 2021

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327

1

help

What is the largest value of k such that the equation 6x - x^2 = k has at least one real solution?

Guest Jul 31, 2021

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450

1

Domain

The domain of the equation y = 3x/(x^2 - 6x + 4) is the set of all real numbers with the exception of the values x = A and x = B. What is A + B?

Guest Jul 31, 2021

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280

0

Domain

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

Guest Jul 31, 2021

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281

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help coordinates

Find the value of B - A if the graph of Ax + By = 3 passes through the point (-7,-2) and is parallel to the graph of x + 8y = -5.

Guest Jul 31, 2021

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473

1

please help asap

If $f(c)=\frac{3}{2c-3}$, find $\frac{kn^2}{lm}$ when $f^{-1}(c)\times c \times f(c)$ equals the simplified fraction$\frac{kc+l}{mc+n}$, where $k,l,m,\text{ and }n$ are integers.

Guest Jul 31, 2021

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305

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geometry

As shown in the diagram, PQ is the median of trapezoid ABCD where AB = 25 inches and CD = 30 inches. Find XY in inches.

read more ..

Guest Jul 31, 2021

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287

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help math

What is the maximum possible value of the greatest common divisor of two consecutive terms of the sequence a_n = n^2 + n + 1, where n >= 0?

Guest Jul 31, 2021

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460

1

Geometry

In the diagram below AM = BM = CM, and $\angle BMC+\angle A = 210^\circ.$ Find $\angle B$ in degrees.

Guest Jul 31, 2021

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284

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Algebra

Find the number of real solutions to \[(x^{2006} + 1)(x^{2004} + x^{2002} + x^{2000} + \dots + x^2 + 1) = 2006x^{2005}.\]

Guest Jul 31, 2021

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554

2

+179

Any quick methods to solve?

Question: Compute $\frac{5}{4 \cdot 9} + \frac{7}{9 \cdot 16} + \frac{9}{16 \cdot 25} + \frac{11}{25 \cdot 36}$

I noted that we can rewrite the equation as $\frac{5}{2^2 \cdot 3^2} + \frac{7}{3^2 \cdot read more ..

xCorrosive Jul 31, 2021

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496

1

+16

Need Help!

The area of $\triangle ABC$ is 6 square centimeters. $\overline{AB}\|\overline{DE}$. $BD=4BC$. What is the number of square centimeters in the area of $\triangle CDE$?
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okhurana Jul 31, 2021

+1

592

3

+16

Help Please!

In triangle $XYZ$, $\angle X = 60^\circ$ and $\angle Y = 45^\circ$. The bisector of $\angle X$ intersects $\overline{YZ}$ at $W.$ If $XW = 24,$ then find the area of triangle $XYZ$.

It was answered here
https://web2.0calc.com/questions/in-triangle-xyz-we-have-and-the-bisector-of-intersects#r7 read more ..

okhurana Jul 31, 2021

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342

2

help angles

Find all integers n such that when the clock strikes n o'clock, the acute angle between the hour and minute hands is 90 degrees. Enter your answer as a comma-separated list.

Guest Jul 31, 2021

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346

1

Answer this question please

I have $8$ pieces of strawberry candy (all identical) and $7$ pieces of rhubarb candy (all identical). Find the number of ways I can distribute this candy to $5$ children.

Guest Jul 31, 2021

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446

1

Parabola

The vertex of a parabola is at (12, -4), and its axis of symmetry is vertical. One of the x-intercepts is at $(18, 0)$. What is the x-coordinate of the other x-intercept?

Guest Jul 31, 2021

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435

1

Coordinates

The distance between the points (x, 21) and (4, -7) is 10*sqrt(3) . Find the sum of all possible values of x.

Guest Jul 31, 2021

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428

1

trig

In triangle BCD, angle C = 90 degrees, CD = 3, and BD = sqrt(14) . What is tan B?

Guest Jul 31, 2021

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408

1

Domain

There are three real numbers that are not in the domain of
f(x) = (x - 1)(x - 2)(x - 3)/(x(x - 1)(x - 2))
What is the sum of those three numbers?

Guest Jul 31, 2021

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356

2

Please answer this question

I have $8$ pieces of strawberry candy (all identical) and $7$ pieces of rhubarb candy (all identical). Find the number of ways I can distribute this candy to $5$ children.

Guest Jul 31, 2021

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291

0

help

When making his lunch order at Burger Queen, Josh must choose one item between Whopper, Philly Cheeseburger, Bacon Cheeseburger, Rodeo Burger, Chicken Sandwich, Fish Filet, Chicken Nuggets, Salad, and choose one beverage from water, Coke, Diet Coke, Dr. read more ..

Guest Jul 31, 2021

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284

0

Coordinates

The vertices of a triangle are the points of intersection of the line y = -x-5, the line x=2, and y = -1/5x+13/5. Find an equation of the circle passing through all three vertices.

Guest Jul 31, 2021

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305

0

plz help

Find the value of c such that the three points (5, 5), (-3, 7) , and (-6, c) lie on the same line.
Note: Three points are on the same line if the slope of the line through any two points is always the same.

Guest Jul 31, 2021

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321

0

geometry

Let triangle ABC be an equilateral triangle. There is a point O insie the triangle such that angle AOB = 115 degrees and angle BOC = 125 degrees. Ir a triangle is constructed with sides with length AO, BO, and CO, find the degree measure of the largest read more ..

Guest Jul 31, 2021

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409

1

Algebra

Find the vertex of the graph of the equation x - y^2 + 8y = 13 + 6y + y^2.

Guest Jul 31, 2021

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