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Post New Question
All Questions
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230933 Questions
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234
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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
+1
236
0
+5
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
0
392
2
+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
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324
1
Trig
Compute $\sin 5^\circ + \sin 10^\circ + \sin 15^\circ + \cdots + \sin 360^\circ$
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Guest
Jul 13, 2021
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330
1
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
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310
1
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
+2
450
1
+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
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Valencia
Jul 13, 2021
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180
0
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
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Guest
Jul 13, 2021
0
409
6
+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
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justinwh333
Jul 13, 2021
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292
1
integers and exponents (BEDMAS)
5x²-3x-2 + (x² +2 -5)
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Guest
Jul 13, 2021
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162
0
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
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185
0
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
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Guest
Jul 13, 2021
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281
1
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
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Guest
Jul 13, 2021
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204
0
rationalize
Rationalize (sqrt(2) + sqrt(3))/(sqrt(10) + sqrt(14) + sqrt(15) + sqrt(21))
Guest
Jul 13, 2021
0
338
2
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
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182
0
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
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311
1
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,
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Guest
Jul 13, 2021
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365
1
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
+1
358
3
+490
(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
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292
0
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
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Guest
Jul 13, 2021
0
367
1
+8
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
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ErikKoev
Jul 13, 2021
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309
1
help counting
How many ways can you distribute 4 different balls among 3 different boxes?
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Guest
Jul 13, 2021
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309
2
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
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308
1
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
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448
6
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
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Guest
Jul 13, 2021
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