All Questions

163

geometry

Triangle ABC has circumcenter O. If AB = 10 and [OAB] = 50 find the circumradius of triangle ABC.

●

Guest Aug 5, 2022

126

help coordinates

There are four points that are 5 units from the line y=13 and 18 units from the point (7,15). What is the sum of the x and y and coordinates of all four of these points?

Guest Aug 5, 2022

185

help radicals

Suppose that a, b, and c are real numbers such that a/b = sqrt(10)/sqrt(21) and b/c = sqrt(14)/sqrt(15). Find a/c. Completely simplify and rationalize the denominator.

●●●

Guest Aug 5, 2022

192

geometric sequence

If b is positive, what is the value of b in the geometric sequence 16, a, 18, b?

●

Guest Aug 5, 2022

177

What is the order of the five variables from least to greatest?

What is the order of the five variables from least to greatest? Enter your answer as a listseparated by commas. For example, if you believe that A < B < C < D < E, then your answer
should be A, B, C, D, E.

●

Guest Aug 5, 2022

Aug 4, 2022

140

quadratic

A ball is thrown in the air from a platform that is 48 feet above the ground with an initial vertical velocity of 32 feet per second. The height of the ball, in feet, can be represented by the function h(t) = -16t^2 +32t +48, where t is the time, in seconds, read more ..

Guest Aug 4, 2022

133

right triangle

In right triangle ABC, angle C = 90 degrees. Median AM has a length 19 of and median BN has a length of 18. What is the length of the hypotenuse of the triangle?

Guest Aug 4, 2022

157

quadratic inequality

What is the value of b + c if x^2 + bx + c > 0 only when x is in (-inf,2) U (8,inf)?

●

Guest Aug 4, 2022

243

Please give a full walkthrough; thanks!

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

●●●

Guest Aug 4, 2022

175

help

Given positive integers $x$ and $y$ such that $x\neq y$ and $\frac{1}{x} + \frac{1}{y} = \frac{1}{18}$, what is the smallest possible value for $x + y$?

●

Guest Aug 4, 2022

168

Decimals

What is 0.48888... + 0.377777...? Express your answer as a common fraction in lowest terms.

●

Guest Aug 4, 2022

230

help pls

The sum of the product and the sum of two positive integers is 39. Find the largest possible value of the product of their sum and their product.

●

Guest Aug 4, 2022

170

help pls

If x, y, and z are positive integers such that 6xyz+30xy+21xz+2yz+105x+10y+7z=812, find x+y+z

●

Guest Aug 4, 2022

218

help algebra

f(x) is a monic polynomial such that f(0)=4 and f(1)=-10. If f(x) has degree 2, what is f(x)? Express your answer in the form ax^2+bx+c, where a, b, and are real numbers.

●●

Guest Aug 4, 2022

204

help psl

If x, y, and z are positive integers such that 6xyz+30xy+21xz+2yz+105x+10y+7z=812, find x+y+z

●●●

Guest Aug 4, 2022

202

Exponents

What is the value of b if 5^b + 5^b + 5^b + 5^b + 5^b = 625^(b - 1)? Express your answer as a common fraction.

●

Guest Aug 4, 2022

262

+179

Find all complex numbers z such that z^2 = 2i. Write your solutions in a+bi form, separated by commas.

●●

waterlili Aug 4, 2022

197

graphs

What is the range of the function for ?

●●

Guest Aug 4, 2022

269

+91

HELP PLS ASAP

In how many ways can 100 be written as the sum of three different positive integers?

●

Derekshackk Aug 4, 2022

167

Trig please help

Find the range of

if for any integer n. Express your answer in interval notation. read more ..

●

Guest Aug 4, 2022

203

probability

Three six-sided dice are rolled. Find the probability that the product of three numbers rolled is 4.

●

Guest Aug 4, 2022

222

help triangles

In quadrilateral BCED, we have BD = 11, BC = 9, and CE=2. Sides BD andCE are extended past B and C, respectively, to meet at point A. If AC = 20 and AB = 24, then what is DE?

●

Guest Aug 4, 2022

223

+108

Help

https://web2.0calc.com/questions/make-a-table-or-chart

●

KourageKowardlyDog Aug 4, 2022

194

Polynomials

When (x - 1)(x - 2)(x - 3)(x - 4)(x - 5) is expanded, find the coefficient of x^3.

waterlili ●

Guest Aug 4, 2022

242

+179

hiiiii

does the star mean multiply or does it mean something else??

●●●●●●

waterlili Aug 4, 2022

All Questions ⁺⁰230344 Questions

geometry

help coordinates

help radicals

geometric sequence

What is the order of the five variables from least to greatest?

quadratic

right triangle

quadratic inequality

Please give a full walkthrough; thanks!

help

Decimals

help pls

help pls

help algebra

help psl

Exponents

Find all complex numbers z such that z^2 = 2i. Write your solutions in a+bi form, separated by commas.

graphs

HELP PLS ASAP

Trig please help

probability

help triangles

Help

Polynomials

hiiiii

2 Online Users

Top Users

Sticky Topics