All Questions

324

Angles

The measure of one angle is thirteen less than five times the measure of another angle. The sum of the measures of the two angles is 140°. What are the two angles?

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Guest Jul 13, 2021

315

Trignometric Functions and Equations

a and b are acute angles in quadrant I, without using a calculator determine the values of sin (a+b) and tan (a+b)

DarkKnightSohi Jul 13, 2021

479

+179

Parabolas

A line intersects the parabola at points and .

The line intersects the y-axis at the point .
read more ..

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EnchantedLava68 Jul 13, 2021

411

Trig

Compute $\sin 5^\circ + \sin 10^\circ + \sin 15^\circ + \cdots + \sin 360^\circ$

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Guest Jul 13, 2021

414

please help

In the diagram below, WXYZ is a trapezoid such that WX||ZY and WY(that upside down T thingy)ZY. If YZ=12, tan Z=1.5, and tan X=2, then what is XY?

I couldn't find a link to the image.

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Guest Jul 13, 2021

396

Coordinates

(1,7), (13,16) and (-5,k) are the vertices of a triangle. What is the sum of all possible values of "k" for which the area of the triangle is minimum? (k can only be an integer)

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Guest Jul 13, 2021

533

+55

1. How many pairs of vertical angles are formed by five distinct lines that have a common point of intersection? ( Not 25)

1. How many pairs of vertical angles are formed by five distinct lines that have a common point of intersection? ( Not 25)
2. A tennis coach divides her 9-player squad into three 3-player groups with each player in only one group. How many read more ..

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Valencia Jul 13, 2021

257

Please help

The formula s=2pi√L/32 (pi as in 3.14) represents the swing of a pendulum, where s is the time, in seconds, to swing back and forth, and L is the length of the pendulum, in feet.
a) Rearrange and express the formula equal to the value read more ..

Guest Jul 13, 2021

483

+89

help

Find a linear inequality with the following solution set. Each grid line represents one unit.

(Give your answer in the form or where and are read more ..

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justinwh333 Jul 13, 2021

385

integers and exponents (BEDMAS)

5x²-3x-2 + (x² +2 -5)

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Guest Jul 13, 2021

241

I need help with Radical equation question please

6=√8-7x
a) Before solving, what restrictions are there on the value of x? Show your work.
b) Does this equation have a real root? If so, determine its value. Show your work either way.

Guest Jul 13, 2021

259

hElPPpPPPPPpppPPPP

Without using a calculator, rewrite each of the following expressions so that it makes no reference to absolute value signs.

(a) |-√17 + 4| + 7 (b) |-√17 - 4| - 5 (c) (|x-|x|)/x read more ..

Guest Jul 13, 2021

368

pls help!

the first, third, and nth terms of a linear sequence are the first three terms of an exponential sequence. the seventh terms of a linear is 14 find the common difference of the linear sequence, find the common ratio of the exponential sequence, find the read more ..

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Guest Jul 13, 2021

281

rationalize

Rationalize (sqrt(2) + sqrt(3))/(sqrt(10) + sqrt(14) + sqrt(15) + sqrt(21))

Guest Jul 13, 2021

435

algebra

Let u and v be the solutions to 3x^2 + 5x + 7 = 0. Find u^2 + v^2.

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Guest Jul 13, 2021

264

polynomial division

What is (x^2 + 7x + 10)/(x + 3) (in mixed form)? For example, (3x + 8)/x = 3 + 8/x

Guest Jul 13, 2021

407

geometry

ABC is a right triangle with angle C=90 degrees. AC = 10 and BC = 24. Point P is located inside ABC such that the distance from P to AB is twice the distance from P to AC, and the distance from P to AC is equal to the distance from P to BC. In units, read more ..

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Guest Jul 13, 2021

455

Complex Numbers

Let z be a complex number such that |z| = 1. Find the largest possible value of |z^2 - 1|.

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Guest Jul 13, 2021

449

+491

(Not Math) What Happened?

I know ive been gone awhile but what happened to all the active users? CPhill, Melody, and others that used to be online constantly? It feels much more empty and quiet nowadays. :(

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Elijah Jul 13, 2021

361

Compare the vertical and horizontal components in the following situations.

a. A force of 600N is applied to a football at an angle of 45 degrees.
b. A force of 600N is applied to a football at an angle of 85 degrees
c. A force of 600N is applied to a football at an angle of 25 degrees.
One hockey player read more ..

Guest Jul 13, 2021

450

how do i calculate variables?

what i mean by this is that if you want to make a new variable called "x" and set it's value to 5, how will you do it? basically, a mock-up can be, if you type something like "x=5" in the calculator, a new variable will be defined on and it will both be read more ..

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ErikKoev Jul 13, 2021

400

help counting

How many ways can you distribute 4 different balls among 3 different boxes?

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Guest Jul 13, 2021

397

geometry

The three angle measures of a triangle are x/2, x/3 and x/6 degrees. What is the measure of x?

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Guest Jul 13, 2021

393

help counting

How many positive integers less than or equal to 10,000 are divisible by 2, 5, 10, or 12?

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Guest Jul 13, 2021

532

help plz

In the following list of numbers, the integer n appears n times in the list for 1<= n <= 200

1,2,2,3,3,3,4,4,4,4,5,5,5,5,.....,200,200,200
read more ..

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Guest Jul 13, 2021

All Questions ⁺⁰237677 Questions

Angles

Trignometric Functions and Equations

Parabolas

Trig

please help

Coordinates

1. How many pairs of vertical angles are formed by five distinct lines that have a common point of intersection? ( Not 25)

Please help

help

integers and exponents (BEDMAS)

I need help with Radical equation question please

hElPPpPPPPPpppPPPP

pls help!

rationalize

algebra

polynomial division

geometry

Complex Numbers

(Not Math) What Happened?

Compare the vertical and horizontal components in the following situations.

how do i calculate variables?

help counting

geometry

help counting

help plz

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