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271

graphing

The area of the triangle formed by x- and y-intercepts of the parabol y=0.5(x-3.5)(x+k) is equal to 1.5 square units. Find all possible values of k.

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Guest May 1, 2022

266

help geometry

In isosceles right triangle ABC, shown here, AC = BC. Point X is on side BC such that CX = 6 and XB = 12, and Y is on side AB such that XY is perpendicular to AB. What is the ratio of BY to YA?

read more ..

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Guest May 1, 2022

288

Answer it please!

https://web2.0calc.com/questions/math-help-please_66

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Guest May 1, 2022

247

geometry questions

(1) In triangle JKL, we have JK = JL = 25 and KL = 30. Find the area.
(2) In triangle ABC, we have AB = 5, AC = 12, BC = 13. Find the circumradius.

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Guest May 1, 2022

286

help algebra

let a and b be the solutions to 5x^2-11x+4=x^2-7x + 3

Find 1/a + 1/b

WhyamIdoingthis ●●

Guest May 1, 2022

275

trig problem

In right triangle ABC, shown below, cos B = . What is tan C?

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Guest May 1, 2022

292

geometry

In rectangle ABCD, shown here, CE is perpendicular to BD. If BC = 3 and DC = 8, what is CE?

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Guest May 1, 2022

294

need help

What non-zero integer must be placed in the square so that the simplified product of these two binomials is a binomial: (3x + 12)(12x - ___)

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Guest May 1, 2022

288

Probability

If you were to pick two students out of a class of 7 girls and 6 boys, what is the probability that the students chosen are two boys?

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Guest May 1, 2022

260

Number Theory

What is the largest number k less than 1000 such that the remainder is 1 when k is divided by each of 3, 4, and 5?

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Guest May 1, 2022

305

Inequality

Solve t/3 - 5 < t - 2 + 7 <= -3t. Give your answer as an interval.

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Guest May 1, 2022

182

geometry

Medians DP and EQ of triangle DEF are perpendicular. If DP = 18 and EQ = 28, then what is DF?

Guest May 1, 2022

316

Probability

If three, standard, 6-faced dice are rolled, what is the probability that the sum of the face up integers is ?

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Guest May 1, 2022

Apr 30, 2022

180

Function

The function f(n) = 3f(n-2) - 2f(n-1), where f(2) = 3 and f(1) = -1. What is the value of f(5)?

Guest Apr 30, 2022

172

Function

Let
p(x,y) = x + y if x >= 0 and y >= 0
p(x,y) = 2x + y if x < 0 and y < 0
p(x,y) = x^2 + y^2 otherwise read more ..

Guest Apr 30, 2022

256

PLs help

1. Let G be the center of equilateral triangle XYZ. A dilation centered at G with scale factor -3/4 is applied to triangle XYZ to obtain triangle X'Y'Z'. Let A be the area of the region that is contained in both triangles XYZ and X'Y'Z'. Find read more ..

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Guest Apr 30, 2022

502

Consider f(x)=3x-1 . The domain of f is all real numbers except , and the range of is all real numbers except . Find the

Consider .
The domain of f is all real numbers except a, and the range of f is all real numbers except b.
Find the ordered pair (a,b).

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Guest Apr 30, 2022

213

How many intersections are there between the graphs of f(x) = |x^2 - 4| and g(x) = 2^x?

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Guest Apr 30, 2022

236

Hexgaon

Five angles of a hexagon measure 119°, 129°, 140°, 129°, and 95°. What is the measure of the sixth angle?

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Guest Apr 30, 2022

271

Wierd question of Percentages?

An 18% brine is salt water containing 18% salt. Raoul mixed some 18% brine with some 35% brine to make 85 L of 19% brine. The number of litres of the 35% brine that he put into the mix is?

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Guest Apr 30, 2022

275

Sides of a Triangle

If a triangle has 2 sides of length 9 inches and 15 inches, then the length of the third side CANNOT be..?

A) 17 B) 15 C) 9 B) 8.7 D) 5

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Guest Apr 30, 2022

279

Probability

Two distinct numbers are selected simultaneously and at random from the set {1,2,3,4,5,6} . What is the probability that the smaller one divides the larger one? Express your answer as a common fraction.

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Guest Apr 30, 2022

273

Parabola

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

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Guest Apr 30, 2022

266

Algebra

Find the ordered pair (a,b) of real numbers for which x^2+ax+b has a non-real root whose cube is 1.

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Guest Apr 30, 2022

363

+580

Please help, I would really appreciate it.

Please help

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Vinculum Apr 30, 2022

All Questions ⁺⁰236378 Questions

graphing

help geometry

Answer it please!

geometry questions

help algebra

trig problem

geometry

need help

Probability

Number Theory

Inequality

geometry

Probability

Function

Function

PLs help

Consider f(x)=3x-1 . The domain of f is all real numbers except , and the range of is all real numbers except . Find the

How many intersections are there between the graphs of f(x) = |x^2 - 4| and g(x) = 2^x?

Hexgaon

Wierd question of Percentages?

Sides of a Triangle

Probability

Parabola

Algebra

Please help, I would really appreciate it.

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