All Questions ⁺⁰236341 Questions

0

320

3

Polygon

The interior angles of a convex polygon are in arithmetic progression. The smallest angle is 120 degrees and the common difference is 5 degrees. Find the number of sides of the polygon.

Guest Apr 12, 2022

0

259

1

coordinates

Find the distance between the x-intercept and the y-intercept of the graph of the equation 3x - 6y = 18.

Guest Apr 12, 2022

0

277

1

coordinates

The line y = 3x - 8 intersects the circle x^2 + (y - 1)^2 = 10 at A and B. Find the midpoint of AB. Enter your answer in the form (x,y).

Guest Apr 12, 2022

0

298

1

3d geo

Rectangle ABCD is the base of pyramid PABCD. If AB = 8, BC = 4, $PA \perp AD$, $PA \perp AB$, and PB = 19, then what is the volume of PABCD?

Guest Apr 12, 2022

0

281

2

help geometry

In the diagram below, we have line AB is parallel to line CD, EF = FG, < BEF = 130 degrees + x degrees, and < AEG = x degrees. Find the value of x.

read more ..

Guest Apr 12, 2022

0

286

2

Algebra

The equation y = -4.9t^2 + 42t + 18.9 describes the height (in meters) of a ball tossed up in the air at 42 meters per second from a height of 18.9 meters from the ground, as a function of time in seconds. In how many seconds will the ball reach a height read more ..

Guest Apr 12, 2022

0

219

1

algebra

Let be the circumcenter of triangle and read more ..

Guest Apr 12, 2022

0

270

0

+491

Coding help?

Not sure if this is where to ask but does anyone know how to code want to work on a game with me?

Elijah Apr 12, 2022

0

281

2

divisors

Find the sum of the positive square free divisors of .
Note: A natural number is square free if it is not the multiple of any perfect square greater than 1.

Guest Apr 12, 2022

0

194

1

Help

A bowl contains white stones numbered 1 to 3 and red stones numbered 1 to 2. Draw a tree diagram to represent total outcomes for selecting two stones.

Guest Apr 12, 2022

0

402

5

+1678

Hard probability

Five 6-sided dice are rolled. What is the probability that exactly one of the dice shows 1, and one of the dice shows 2?

●●●●●

wiseowl Apr 12, 2022

0

317

2

+1678

Stuck on this

In trapezoid ABCD, sides AB and CD are parallel, angle A = 2(angle D), and angle C = 8(angle B). Find angle B

wiseowl Apr 12, 2022

0

332

4

Algebra

If 2x - 9y = 14 and 6x=42+y-2x, what is the value of the product xy?

Guest Apr 12, 2022

0

273

1

need help

The quadratic ax^2 + bx + c can be expressed in the form 2(x - 8)^2 + 4. When the quadratic 3ax^2 + 2bx + c is expressed in the form n(x - h)^2 + k, what is h?

Guest Apr 12, 2022

0

282

2

help

Find the circumradius of triangle read more ..

Guest Apr 12, 2022

0

274

2

precalc

In XYZ, and X = 90° , and cos Z = 7/ 29. Find sin Z and tan Y.

Guest Apr 12, 2022

0

164

0

Domain

Suppose a function f(x) is defined on the domain [-8,4]. If we define a new function g(x) by
g(x) = -2f(x),
then what is the domain of g(x)? Express your answer in interval notation.

Guest Apr 12, 2022

0

268

2

Algebra

What is the sum of the x-values that satisfy the equation 5 = (x^3 - 2x^2 - 8x)/(x + 2) + 5/(x + 2) - 11x/(x + 2)?

Guest Apr 12, 2022

0

271

1

Algebra

If a/b = 2 and b/c = 4/3, what is the value of c/a? Express your answer as a common fraction.

Guest Apr 12, 2022

0

331

3

Triangle ABC has a circumcenter O. What is

Triangle ABC has a circumcenter O. What is in degrees?
read more ..

Guest Apr 12, 2022

0

273

2

Math

Chang and Rachel walk around a track. Chang walks each lap in 12 minutes. Rachel walks each lap in 10 minutes. The two of them begin at the starting line at the same time. They walk until they meet again at the starting line.Answer read more ..

Guest Apr 12, 2022

0

275

2

n is 8 feet and the distance between the mouse's holes is 17 feet.

A mouse has made holes in opposite corners of a rectangular kitchen. The width of the kitchen is 8 feet and the distance between the mouse's holes is 17 feet. What is the length of the kitchen?

Guest Apr 12, 2022

0

310

2

Functions

Let

f(x) = ax + 3 if x > 2
f(x) = x + 5 if -2 <= x <= 2 read more ..

Guest Apr 12, 2022

0

291

4

Sequence

What is the integer value of x in the arithmetic sequence 3^2, x, 3^4*3^2?

Guest Apr 12, 2022

0

373

2

Help on a question

Define {x} = x-(floor of x) . That is to say , {x } is the "fractional part" of x. For example, if you were to expand a positive number x as a decimal, {x} is the stuff after the decimal point. For example {3/2} read more ..

Guest Apr 12, 2022

1 Online Users