All Questions ⁺⁰230922 Questions

0

2004

1

Help plz

Find the sum of all possible positive integer values of $b$ such that the quadratic equation $2x^2 + 5x + b = 0$ has rational roots.

Guest Jun 30, 2019

0

1326

1

help

How many positive 4-digit integers have only odd digits?

Guest Jun 30, 2019

0

939

6

+152

Can anyone plz help me???

How many bases are there such that 663 is prime?

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BIGChungus Jun 30, 2019

0

968

2

zero power help

Why does (-7) to the zero power minus 7 to the zero power equal zero when (-7) to the zero power equals -1 and 7 to the zero power equals 1... the equation would be -1-1= -2 but when i put it in a calculator it equals 0 can you please explain? read more ..

Guest Jun 30, 2019

0

1368

1

What is the arithmetic mean of all positive two-digit multiples of 7?

What is the arithmetic mean of all positive two-digit multiples of 7?

Guest Jun 30, 2019

0

749

3

Pre-calculus

If cos(x) = 1/3 and x is an acute angle, find the value of sin(x/2)

Guest Jun 30, 2019

0

1084

1

A positive multiple of 45 less than 1000 is randomly selected. What is the probability that it is a two-digit integer? Express your answer a

So I need to know the answer to this question.
A positive multiple of 45 less than 1000 is randomly selected. What is the probability that it is a two-digit integer? Express your answer as a common fraction.
If you explai how to solve read more ..

Guest Jun 30, 2019

0

677

1

math

if simone received $2874 commission on the sale of a property worth $195 800, her rate of commission, to 1 decimal place was: a 21% b 1.5% c 60% d 15% e 12.6%

Guest Jun 30, 2019

0

1259

1

Help me plz

Suppose that we have an equation $y=ax^2+bx+c$ whose graph is a parabola with vertex $(3,2)$, vertical axis of symmetry, and contains the point $(1,0)$. What is $(a, b, c)$?

Guest Jun 30, 2019

0

1109

1

Please help

Write the following expression as a polynomial: (2x^2+3x+7)(x+1)-(x+1)(x^2+4x-63)+(3x-14)(x+1)(x+5).

Guest Jun 30, 2019

0

1019

1

Physics help please

a kid moving 3.78 m/s jumps on a slip & slide (μk=0.111) after sliding 5.00 m, what is his velocity?

Guest Jun 30, 2019

Jun 29, 2019

0

968

2

+152

Help plz

Find all values for which there exists an ordered pair satisfying the following system of equations:

BIGChungus Jun 29, 2019

0

918

2

+152

PLEASE HELP MEEEEE

One ordered pair () satisfies the two equations and . What is the value of a in this ordered pair

hectictar ●●

BIGChungus Jun 29, 2019

0

967

1

help

In the diagram, square ABCD has sides of length 4, and triangle ABE is equilateral. Line segments BC and AC intersect at P. Point Q is on BC so that PQ is perpendicular to BC and PQ=x.

Find read more ..

Guest Jun 29, 2019

+1

922

1

+142

Let and be nonzero complex numbers such that . Find the sum of all possible values of .

Let and be nonzero complex numbers such that . Find the sum of all possible values of .

LeoIsTheBest Jun 29, 2019

0

1089

2

Help!

A quadrilateral is called a "parallelogram" if both pairs of opposite sides are parallel. Show that if is a parallelogram, then and .

Guest Jun 29, 2019

+1

2247

2

+54

AOPS Help

1.) Compute $14A6_{12} - 5B9_{12}$. Give your answer as a base 12 integer.
(You do not need to include the subscript to indicate the base.)

2.) Compute $101_2 + 11_2 + 1100_2 + 11101_2$. Give your answer read more ..

Jdaye Jun 29, 2019

0

732

4

help

In how many ways can I place 5 different beads on a bracelet if rotations and flips of the bracelet are not treated as different arrangements?

Guest Jun 29, 2019

+1

866

2

+158

Confused

Find all real solutions for in

Havingfun Jun 29, 2019

0

830

3

+170

Help

Is the function even, odd, or neither?

FlyEaglesFly Jun 29, 2019

+1

393

0

how to find x 50=1/(1+x)+2/(1+x)^2+3/(1+x)^3+3.18/(1+x)^4+(3.18/x)*(1/(1+x)^4

50=1/(1+x)+2/(1+x)^2+3/(1+x)^3+3.18/(1+x)^4+(3.18/x)*(1/(1+x)^4

off-topic

Guest Jun 29, 2019

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