All Questions +0 238158 Questions

Four distinct integers a, b, c and d have the property that when added in pairs, the sums 10, 18, 19, 22, 23, 31 are obtained. What are the four integers in increasing order? (place a comma and then a space between each integer)

Guest Apr 15, 2022

360

Math problem

A unit square ABCD is such that M and N are the midpoints of BC and CD respectively. A straight line is drawn from A to N and another from D to M. This two lines AN and DM meet at O which is inside square ABCD. Find the area of

Guest Apr 15, 2022

351

Geometry problem

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Guest Apr 15, 2022

359

How many unique tiles can be made with 0-6 dots possible in each of 4 corners....

How many unique tiles are there when a tile has four corners, each of which can have 0-6 dots in it, and 0-6 dots in those dots, and a further 0-6 dots in those. The tile cannot be rotated, every corner is unique.

Find the area of the region satisfying the inequality x^2 + y^2 <= 4x + 6y + 13 - 2x + 8y + 15.

Guest Apr 15, 2022

344

Inequality

Consider 2 functions f(x), g(x) that is defined on the interval [0, \infty) where
f(x)=x^3+x^2+x+2
g(x)=2f^{-1}(x)-1
Find the value of

Guest Apr 15, 2022

361

Functions

The greatest common divisor of two positive integers is (x+5) and their least common multiple is x(x+5), where is a positive integer. If one of the integers is 50, what is the smallest possible value of the other one? read more ..

Guest Apr 15, 2022

366

+83

helppp asap

The equation $y = -16t^2 - 18t + 405$ describes the height (in feet) of a ball thrown downward at 18 feet per second from a height of 405 feet from the ground, as a function of time $t$, in seconds. In how many seconds will the ball hit the ground? Express read more ..

Atlas Apr 15, 2022

339

+83

Help

Assume an investment of $100 earns an APR of 6% compounded annually. Calculate the balance after 180 years. (Round your answer to the nearest cent.)

Atlas Apr 15, 2022

381

Assume an investment of $100 earns an APR of 6%

Sue bought a six-month CD for
$6000. She said that at maturity it paid $225.00 in interest. Assume that this was simple interest, and determine the APR.

Guest Apr 15, 2022

409

Sue bought a six-month CD for

Please help with this question.

Guest Apr 15, 2022

382

I need help :'(

Please help with the above question
read more ..

Guest Apr 15, 2022

374

Hello I really need help with this question

There's one triangle satisfying and shown below:

read more ..

Guest Apr 15, 2022

404

Please help with this question

asinus ●●

Guest Apr 15, 2022

360

Proportion

the volume of a cone varies jointly as its height and the square of its radius. A cone with a radius of 6 inches and a height of 10 inches has a volume of 120pi cubic inches. Find the volume of a cone having a radius 18 inches and a height of 20 inches. read more ..

BuilderBoi ●

Guest Apr 15, 2022

356

Proportion

Y varies directly as x and inversely as the square of z, and when x = 32, y = 6 and z = 4. Find x when y = 3 and z = 10.

Find the largest integer k such that the equation 5x^2 - kx + 88 = 0 has no real solutions.

Guest Apr 15, 2022

Apr 14, 2022

367

Quadratic

Kakashi ●

Guest Apr 14, 2022

389

Algebra

Find all real numbers K such that the inequality x^2 - 2(4K-1)x + 15K^2 - 2K- 7> 0 holds for all real x.

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Guest Apr 14, 2022

461

Coordinates

The lines x=4y+a and y=4x+b intersect at the point (1,2). What is a+b

For what real values of a is the expression (a + 3)/(a^3 - a) undefined? List your answers in increasing order separated by commas.

Guest Apr 14, 2022

375

Expression

Find the fifth term of the geometric sequence with first term 2 and second term 1/5.

Guest Apr 14, 2022

358

Geometric sequence

Let be the circumcenter of triangle and read more ..

Guest Apr 14, 2022

377

help

On each of the first three days of January, there is a 1/2 chance that it will snow where Bob lives. On each of the next four days, there is a 1/3 chance that it will snow. What is the probability that it snows at least once during the first week of January? read more ..

Guest Apr 14, 2022

356

Probability