All Questions

422

geometry

Let ABCD be a trapezoid with bases BC and AD. In this trapezoid, angle DBA = 108, angle ABD = 47, and angle BCD = 141. Find angle CBD, in degrees.

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Guest May 2, 2021

501

Please answer!!!!!

Find a linear inequality with the following solution set. Each grid line represents one unit.

8d9bd0400837caad6ee0e3c73ac50b6260d13361.png read more ..

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Guest May 2, 2021

319

Euclidean algorithm

Use the Euclidean algorithm to find integers x and y such that 164x + 39y = 1. State your answer as a list with x first and y second, separated by a comma.

Guest May 2, 2021

489

Refer to the graph of y = sin x or y = cos x to find the exact values of x in the interval [0,

Refer to the graph of y = sin x or y = cos x to find the exact values of x in the interval [0, 4𝜋] that satisfy the equation.
sin x = − sqrt(2)/2

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Guest May 2, 2021

465

Help please

According to the graph, what is the mode of the number of pets among the families surveyed? https://latex.artofproblemsolving.com/1/3/e/13eddecc82304fb687240fd5b6de66bf466dc172.png and there is the bar graph

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Guest May 2, 2021

392

Help would be appreciated

The function $f(x)$ takes positive real numbers to real numbers, such that \[xf(y) - yf(x) = f \left( \frac{x}{y} \right)\]for all positive real numbers $x$ and $y.$ Find all possible values of $f(100).$ Enter all possible values, separated by commas. read more ..

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Guest May 2, 2021

509

+64

pls help

A rectangular piece of paper $ABCD$ is folded so that edge $CD$ lies along edge $AD,$ making a crease $DP.$ It is unfolded, and then folded again so that edge $AB$ lies along edge $AD,$ making a second crease $AQ.$ The two creases meet at $R,$ forming triangles read more ..

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Skykeeper42 May 2, 2021

468

i'm stuck

1) Count the number of different ways the word COUNT can be spelled by connecting five letters in the diagram shown, starting with the letter C and always connecting a letter to one below it.

2) read more ..

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Guest May 2, 2021

494

Please answer this question

Find a linear inequality with the following solution set. Each grid line represents one unit.

https://latex.artofproblemsolving.com/8/d/9/8d9bd0400837caad6ee0e3c73ac50b6260d13361.png
read more ..

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Guest May 2, 2021

332

help!

1. On a game show, you are offered the chance to select up to 4 of the 10 other contestants to be on your team, but they will share the winnings (i.e. you don’t have to pick anyone if you think you can do well all by yourself). How many combinations of read more ..

Guest May 2, 2021

475

+102

Quadratic

Heyy! Can somebody help me with this question?

Find all solutions to
read more ..

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AnxiousLlama May 2, 2021

289

geometry

A triangle has side lengths of 10, 24, and 26. Let a be the area of the triangle. Let b be the area of the medial triangle (the triangle formed by the midpoints). Compute a - b.

Guest May 2, 2021

441

algebra

If 23 = x^4 + 1, what is x^2 + 1/x^2?

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Guest May 2, 2021

300

algebra

The values of a, b, c, d are 1, 2, 3 and 4, but not necessarily in that order. What is the largest possible value of the sum of the four products abc, bcd, cda, dab?

Guest May 2, 2021

390

PLS Help

Real numbers $x$ and $y$ satisfy \begin{align*} x + xy^2 &= 250y, \\ x - xy^2 &= -240y. \end{align*}Enter all possible values of $x,$ separated by commas.

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Guest May 2, 2021

392

Complete the table by finding the balance A when P dollars is invested at rate r for t years and compounded n

Complete the table by finding the balance A when P dollars is invested at rate r for t years and compounded n times per year.
P=$5000
r=2%
t=10 yrs read more ..

Guest May 2, 2021

307

system

Assuming x, y, and z are positive real numbers satisfying

xy - z = 15
xz - y = 15 read more ..

Guest May 2, 2021

558

+125

I'm stuck plz help

The perimeter of square is 2. Two cars start from and simultaneously and drive clockwise on the perimeter of square in the same speed. A drone maintains its location as the midpoint of the two cars. How far did read more ..

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Mathlord May 2, 2021

322

Please answer this

Find a linear inequality with the following solution set. Each grid line represents one unit.

https://latex.artofproblemsolving.com/8/d/9/8d9bd0400837caad6ee0e3c73ac50b6260d13361.png
read more ..

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Guest May 2, 2021

325

trapezoid

The trapezoid shown has a height of length 12 cm, a base of length 16 cm, and an area of 180 cm^2. What is the perimeter of the trapezoid?

read more ..

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Guest May 2, 2021

307

graphs

A and B are constants such that the graphs of xy = B and y = Ax^2 + B intersect at the point (2,8). Write the ordered pair (A,B).

Guest May 2, 2021

288

graphing

For every value of a, the graph of each of these three equations is a line:
ax + y = 1
x + ay = 1
x + y = 9 read more ..

Guest May 2, 2021

297

quadratic

What is the largest number c such that 2x^2 + 5x + c = -x^2 + 12x + 18 has at least one real solution? Express your answer as a common fraction.

Guest May 2, 2021

286

quadratic

Find the sum of all possible positive integer values of b such that the quadratic equation 2x^2 + 15x + b = 0 has rational roots.

Guest May 2, 2021

346

system

For a certain value of k, the system
x + y + 3z = 10
-4x - 3y + 5z = 7
kx + z = 3 read more ..

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Guest May 2, 2021

All Questions ⁺⁰237784 Questions

geometry

Please answer!!!!!

Euclidean algorithm

Refer to the graph of y = sin x or y = cos x to find the exact values of x in the interval [0,

Help please

Help would be appreciated

pls help

i'm stuck

Please answer this question

help!

Quadratic

geometry

algebra

algebra

PLS Help

Complete the table by finding the balance A when P dollars is invested at rate r for t years and compounded n

system

I'm stuck plz help

Please answer this

trapezoid

graphs

graphing

quadratic

quadratic

system

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