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Post New Question
All Questions
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231295 Questions
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344
1
help geometry
Rhombus ABCD has perimeter 148, and one of its diagonals has length 20. How long is the other diagonal?
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Guest
Jun 17, 2021
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378
4
Hey all, a repost
https://web2.0calc.com/questions/hey-guys-really-need-help-hints-would-even-help-really-stuck
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Guest
Jun 17, 2021
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328
1
geometry
Let triangle ABC be a right triangle, and let H be the point on side AB so that CH is perpendicular to AB.
If BC = 5 and AC = 12 and angle C = 90 degrees, then find CH.
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Guest
Jun 17, 2021
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341
2
help geometry
TP is a line that tangent to a circle centered at O. If PQ∥TO and ∠OTP=28∘, find the measure of ∠POQ in degrees.
read more ..
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Guest
Jun 17, 2021
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326
1
Coordinates
Find the point on the line -6x - 5y + 1 = 0 which is closest to the point (3,1).
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Guest
Jun 17, 2021
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336
1
Algebra
If a + b = 7 and a^3 + b^3 = 42, what is the value of the sum a^2 + b^2? Express your answer as a common fraction.
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Guest
Jun 17, 2021
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321
1
Help quadratic
Find the quadratic polynomial f(x) such that f(0) = 3, f(1) = -5, and f(2) = 7.
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Guest
Jun 17, 2021
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350
1
Please can I have help
PART 1
In the SuperLottery, three balls are drawn (at random) from ten white balls numbered from 1 to 10, and one SuperBall is drawn (at random) from ten red balls numbered from 11 to 20 . When you buy a ticket, you choose three
read more ..
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Guest
Jun 17, 2021
Jun 16, 2021
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505
1
Can I please have help?
Let and be points on a circle. Let line and the tangent to the circle at intersect at If , and , then find
I know there is another thread on this, but it doesn't
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Guest
Jun 16, 2021
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353
1
Help?
(100x100)+(100x100)=(Cxc)
Trying to figure out the length of a homerun fence. Each foul pole is 100' from home plate and the fence goes straight across like a triangle. How long of a fence will I need?
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Guest
Jun 16, 2021
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344
1
Algebra
The value of y varies inversely as sqrt(x) and when x=2, y=4. What is x when y=16?
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Guest
Jun 16, 2021
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604
19
+147
CPhill Pls Help!
1. Aurora hit a baseball with an initial velocity of 70 feet per second at an angle of 30° with the horizontal. The ball hit her bat when the ball was 3 feet above the ground.
(a) No one interferes
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mnkmnk
Jun 16, 2021
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280
1
help math
Ammonia and water mixture fills a 5 gallon container. Eighty percent of the mixture is ammonia. Some of the mixture will be drained and replaced with pure water. If a five gallon mixture of fifty percent ammonia is desired, how many quarts of the mixture
read more ..
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Guest
Jun 16, 2021
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377
1
need help
If m is the smallest positive integer such that m! is a multiple of 4125, and n is the smallest positive integer such that n! is a multiple of 2816000, then find n-m.
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Guest
Jun 16, 2021
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460
5
pls help me
A tank holds 100 gallons of a thoroughly mixed solution which is 50% alcohol. Twenty-five gallons are drained from the tank and replaced with a solution that is 20% alchohol. The solution in the tank is thoroughly mixed. This procedure is repeated 2 more
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amygdaleon305
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Guest
Jun 16, 2021
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416
3
geometry
What is the measure (in degrees) of the smallest interior angle of a triangle in which the exterior angle measures have the ratio 3:5:7?
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Guest
Jun 16, 2021
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318
1
help me ep since no one else is :(
What interval consists of all w which satisfy ${\bf neither}$$ -2(6+2w)\le -16$ nor $-3w\ge 18$?
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Guest
Jun 16, 2021
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344
1
Math Help Needed
If $3x+7=2$ (mod $16$), then $2x+11$ is congruent (mod $16$) to what integer between $0$ and $15$, inclusive?
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Guest
Jun 16, 2021
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205
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physics
please help
Guest
Jun 16, 2021
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316
1
Please Help.
physics
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Guest
Jun 16, 2021
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383
1
Hard clock problem
Shortly after 10 'o clock, the hands of a clock made a 90 degree angle. What's the time?
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Guest
Jun 16, 2021
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324
1
HELP ASAP PLEASE
What interval consists of all $w$ which satisfy ${\bf neither}$ $-2(6+2w)\le -16$ nor $-3w\ge 18$ ?
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Guest
Jun 16, 2021
0
385
2
pls help
A carton contains milk that is 2% fat, an amount that is 40% less fat than the amount contained in a carton of whole milk. What is the percentage of fat in whole milk? Pls help me ◕‿‿◕
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Guest
Jun 16, 2021
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905
6
HELP QUICK
The sum of the squares of two nonnegative numbers is 327. The product of the two numbers is 101. What is the sum of the two numbers?
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Guest
Jun 16, 2021
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555
2
CPhil - your prev solution didn't make sense - please explain More - Thx
Shortly after 10 'o clock, the hands of a clock made a 90 degree angle. What's the time?
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Guest
Jun 16, 2021
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