All Questions +0 238211 Questions

The sequence is defined by
The sequence is defined by
Find

Guest Aug 11, 2019

871

Sequence problem

How many possible distinct arrangements are there of the letters in the word DOG?

Guest Aug 11, 2019

663

help

In right triangle DEF, we have

Guest Aug 11, 2019

662

Please help!!

Let line be the graph of . Line is perpendicular to line and passes through the point . If line is the graph of the equation , then find .

Guest Aug 11, 2019

-1

848

+152

help

The roots of the polynomial x^3 - 52x^2 + 581x - k are distinct prime numbers. Find k.

BIGChungus Aug 11, 2019

1021

Vieta's formula problem

Let
What is p(p(1,-1),p(-5,-2))?

Guest Aug 11, 2019

606

Help

Otto's investment portfolio consisted of shares of internet stock and copper stock. During the year, the value of his internet shares increased 10%,but the value of his copper shares decreased from $10,000 to $9,000. During the same year, the total read more ..

Guest Aug 11, 2019

789

combining percents

You have a rectangular prism box with length x+5 units, width x-5 units, and height x^2+25 units. For how many positive integer values of x is the volume of the box less than 700 units?

Guest Aug 11, 2019

905

Help

Find the number of pairs of integers (x,y)

Must satify 0

Guest Aug 11, 2019

554

Help

Find the equation whose graph is a parabola with vertex (2,4), vertical axis of symmetry, and contains the point (1,1). Express your answer in the form "ax^2+bx+c".

This should be very easy but I can't figure it out. Any help will read more ..

Guest Aug 11, 2019

868

any help will work

The graph of the parabola defined by the equation y=-(x+1)^2+1 is shifted 1 unit to the right, then shifted 5 units down, then rotated 180 degrees about its vertex. The resulting parabola has zeros at x=a and x=b, where . What is b-a? read more ..

Guest Aug 11, 2019

1112

Help. I am confused on this question.

The graph of an equation

sqrt((x-3)^2+(y+4)^2) + sqrt((x+5)^2+(y-8)^2)=20
read more ..

Guest Aug 11, 2019

791

Any help would be appreciated

Let f(x) be a quartic polynomial with integer coefficients and four integer roots. Suppose the constant term of f(x) is 6.
(a) Is it possible for x=3 to be a root of f(x)?
(b) Is it possible for x=3 to be a double root read more ..

Guest Aug 11, 2019

883

Math help please!!

Guest Aug 11, 2019

976

+939

PSL4#52

Answer: 63

dgfgrafgdfge111 Aug 11, 2019

922

+939

PSL3#47

Answer: 7/15

dgfgrafgdfge111 Aug 11, 2019

953

+939

PSL3#42

Answer: 225

dgfgrafgdfge111 Aug 11, 2019

929

+939

PSL3#33

Answer: 1760

dgfgrafgdfge111 Aug 11, 2019

946

+939

PSL3#30

Answer: 288

Points A, B, C, and T are in space such that each of , , and is perpendicular to the other two. If TA = TB = 12 and TC = 6,then what is the distance from T to face ABC?

Any help is appreciated. Thanks a lot! read more ..

dgfgrafgdfge111 Aug 11, 2019

801

Difficult 3D Geometry Problem (CPhill please help)

●●●●

SuperMathGuy Aug 11, 2019

854

Help

Find the number of pairs of integers (x,y) with 0 $\frac{1}{1-\frac{10}{x}} > 1 - \frac{5}{y}.$

●●●●

Guest Aug 11, 2019

1047

Help please

Let r, s, and t be the roots of the equation x^3 - 2x + 1 = 0 in some order. What is the maximal value of r^3 - s- t?

How many positive integers have the property that is odd?

Guest Aug 11, 2019

Aug 10, 2019

733

Floor function help

Find the maximum value of where

Guest Aug 10, 2019

905

Help

Find the maximum value of where

Guest Aug 10, 2019

496

Help