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650

i have no idea

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Guest Jun 30, 2020

1946

sequence problem

A sequence of numbers begins 1, 1, 1, 2, 2, 3 and then repeats this pattern forever. What is the sum of 135th, 136th and 137th numbers in the sequence ?

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Guest Jun 30, 2020

575

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I need help with this system:

What is x^2 + y^2 + z^2? read more ..

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Guest Jun 30, 2020

408

Help please!

A certain point has rectangular coordinates and polar coordinates What are the rectangular coordinates of the point with polar coordinates

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Guest Jun 30, 2020

564

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The difference of the roots of the quadratic equation x^2 + bx + c = 0 is -2. Find the discriminant of the given equation.

What do I do here?

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Guest Jun 30, 2020

463

help with quadratic

The equation 2x^2 - 62x + k = 0 has two real roots, one of which is 1 more than twice the other. Find the value of k.

Guest Jun 30, 2020

676

geometry

Katie and Beth had the same number of marbles on January 1st. By the end of the year, Katie's collection of marbles increased by 25% and Beth's decreased by 75%. On December 31st, the number of marbles Beth owned was what percent of the number read more ..

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Guest Jun 30, 2020

770

Angle bisectors $\overline{AX}$ and $\overline{BY}$ of triangle $ABC$ meet at point $I$. Find $\angle C,$ in degrees, if $\angle AIB = 109^\

Angle bisectors $\overline{AX}$ and $\overline{BY}$ of triangle $ABC$ meet at point $I$. Find $\angle C,$ in degrees, if $\angle AIB = 109^\circ$.

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Guest Jun 30, 2020

572

help

Marty has available a 20% alcohol solution and a 70% alcohol solution. How many liters of each solution should be mixed to make 30 L of a 50% alcohol solution?

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Guest Jun 30, 2020

430

hard equation

Solve

I got a hint that one root is an integer, but I don't know how to use that.

Guest Jun 30, 2020

541

please help

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I think I combine some term, but I'm not sure.

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Guest Jun 30, 2020

646

geometry

In triangle ABC, D is the midpoint of AC, and E is the midpoint of AB. Find the ratio of the area of trapezoid BCDE to the area of triangle ABC.

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Guest Jun 30, 2020

520

help

The median of $\{20, x, 15, 30, 25\}$ is $0.4$ less than the mean. If $x$ is a whole number, what is the sum of all possible values of $x$?

Guest Jun 30, 2020

569

help

Which is bigger, or ?

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Guest Jun 30, 2020

710

ASAP!!!!!

The graph of is reflected over the line . The new graph is the graph of the equation for some constants , , and . Find .

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Guest Jun 30, 2020

589

quadratic

Solve (x + 1)^2 + 3^2 = 0. This is impossible, right?

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Guest Jun 30, 2020

442

I need help ASAP

f(x)= 14x^3 + 15x^2 + 13x -10
g(x)= 15x^3 +13x^2 -10x +10

find g(-9) x f(8) - f(1) x f(-9) read more ..

Guest Jun 30, 2020

527

help me please ASAP!

The graph of is shown below. Find . (The distance between the grid lines is one unit.)

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Guest Jun 30, 2020

484

help quickly

Find the equation of the line passing through (-7,0) that is perpendicular to the line 5x - 3y = 2. Enter the answer in standard form.

Guest Jun 30, 2020

616

need answer fast

Find the equation of the line passing through (3,-3) and (5,6).

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Guest Jun 30, 2020

525

+22

HELP QUICK!!

Find the value of $B - A$ if the graph of $Ax + By = 3$ passes through the point $(-7,2),$ and is parallel to the graph of $x + 3y = -5.$

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happypotato Jun 30, 2020

900

+65

PLZ HELP ASAP!!! URGENT!!!

I have 5 different mathematics textbooks and 4 different psychology textbooks. In how many ways can I place the 9 textbooks on a bookshelf, in a row, if there must be a psychology textbook in the middle, and there must be a mathematics textbook at each read more ..

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nicthemathwiz Jun 30, 2020

603

+34

Pls Help!

A bag has 4 red marbles, 5 white marbles, and 6 blue marbles. Three marbles are drawn from the bag (without replacement). What is the probability that they are all the same color?

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AppIePi Jun 30, 2020

528

disa heer mat harrd cn I git zom asswers?

The line is an axis of symmetry of the graph of . Find .

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Guest Jun 30, 2020

All Questions ⁺⁰237826 Questions

i have no idea

sequence problem

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help with quadratic

geometry

Angle bisectors $\overline{AX}$ and $\overline{BY}$ of triangle $ABC$ meet at point $I$. Find $\angle C,$ in degrees, if $\angle AIB = 109^\

help

hard equation

please help

geometry

help

help

ASAP!!!!!

quadratic

I need help ASAP

help me please ASAP!

help quickly

need answer fast

HELP QUICK!!

PLZ HELP ASAP!!! URGENT!!!

Pls Help!

disa heer mat harrd cn I git zom asswers?

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