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Post New Question
All Questions
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230396 Questions
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172
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y varies jointly as x and the square of z
y varies jointly as x and the square of z
Guest
Jan 18, 2022
-1
548
2
+28
1.11 Unit Test: Similarity - Part 1
△ABC∼△EFG. Given m∠C=52° and m∠E=61°, what is m∠B? Enter your answer in the box.
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ora2004
Jan 18, 2022
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306
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+28
1.05 Quiz: Directed Line Segments
Point A is located at (5, 10) and point B is located at (20, 25). What point partitions the directed line segment AB¯¯¯¯¯ into a 3:7 ratio?
ora2004
Jan 18, 2022
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284
1
Minimum
What is the minimum value of the expression x^2 + y^2 + 2x - 4y + 8 - 10y + 3y for real x and y?
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Guest
Jan 18, 2022
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173
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Complex Numbers
Find the number of ordered pairs (a,b) of integers such that $|a + bi| \le 8.$
Guest
Jan 18, 2022
+1
336
3
Geometry
There is a circle in the coordinate plane. If the radius doubles, the area increases by units. Find the new radius of the circle
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Guest
Jan 18, 2022
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161
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Algebra
Solve for $x$: $4x^{1/3}-2 \cdot \frac{x}{x^{2/3}}=7+\sqrt[3]{x}$.
Guest
Jan 18, 2022
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192
1
Hard question (I think)
A three digit Hexadecimal (base-16) number is chosen at random, with each number having an equal probability of being chosen. Its digits are rearranged in every possible way, and all of the distinct arrangements of its digits are added together. (For example,
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Guest
Jan 18, 2022
-1
365
4
+218
Sorry Melody - I wrote the Question Down Wrong
Please find the original thread, and answer here: https://web2.0calc.com/questions/manipulating-exponents
Melody the question I wrote was wrong. It was actually:
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MathyGoo13
Jan 18, 2022
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334
4
Please help
I am not sure where to get started... please advise.
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Guest
Jan 18, 2022
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146
0
Need some help!
Heres a question that our teacher assigned over the weekend: carlos stands 9 meters from the center of a merry-go round that is spinning at constant speed, and clarita stands 6 meters from the center. If Carlos speed is 3m/s what is claritas speed in meters
read more ..
Guest
Jan 18, 2022
0
275
1
help with equation
Find all real solutions to
x^2 + 4x + 4 =
If you find more than one, then list the values separated by commas.
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Guest
Jan 18, 2022
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213
5
Hard geometry question
A right triangle with a perimeter of 60 units has an altitude (to the hypotenuse) of length 10 units. Find the sum of the lengths of the two (non-hypotenuse) legs of this triangle.
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Guest
Jan 18, 2022
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278
1
Trig problem
Calculate
Answer in radians.
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Guest
Jan 18, 2022
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239
1
Need help
Let AB be a diameter of a circle, and let C be a point on the circle such that AC = 8 and . The angle bisector of angle ACB intersects the circle at point M. Find CM.
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Guest
Jan 18, 2022
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185
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Trigonometry problem, pls help
Let be an angle between and such that
Assume that . Then if the what is ?
Guest
Jan 18, 2022
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219
1
geometry
Triangle ABC is an isosceles triangle with AC=BC and angle C =120°. Points D and E are chosen on segment AB so that AD=DE=EB. Find angle CDE
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Guest
Jan 18, 2022
0
303
1
Divisors
How many positive divisors do 840, 960, 1200, and 700 have in common?
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Guest
Jan 18, 2022
Jan 17, 2022
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336
2
Coordinates
The circle 2x^2 = -2y^2 + 2x - 4y + 20 is inscribed inside a square which has a pair of sides parallel to the x-axis. What is the area of the square?
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Guest
Jan 17, 2022
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300
1
Math, Thks
Amy folded a total of 516 paper cranes and stars for a charity fair on the 1st day. After selling 5/6 of the number of cranes and 2/3 of the number of stars, she folded another 72 cranes and 84 stars for sale on the 2nd day. Now the ratio
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Guest
Jan 17, 2022
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241
1
Pls help. All help greatly appreciated
There exist nonzero integers and such that the quadratic
has one integer root and one non-integer root. Find the non-integer root.
read more ..
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Guest
Jan 17, 2022
+1
265
1
help geometry
In triangle ABC, AB = AC. Point P lies on line AB such that CP = BC. If angle APC = degrees, what is angle ACP(in degrees)?
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Guest
Jan 17, 2022
0
303
1
Number Theory
Find the smallest numerical palindrome that is divisible by all the digits 1, 2, 3, 4, 6, 7, 8, and 9.
A palindrome is a number that reads the same forwards and backwards, like 11 and 5005.
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Guest
Jan 17, 2022
0
325
1
+10
Help ASAP I HATE this question
The students in Mrs. Reed's English class are reading the same 760-page novel. Three friends, Alice, Bob and Chandra, are in the class. Alice reads a page in 20 seconds, Bob reads a page in 45 seconds and Chandra reads a page in 30 seconds. Chandra and
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SparkleDew
Jan 17, 2022
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