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Post New Question
All Questions
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234807 Questions
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330
1
help pls
In triangle XYZ, Y = 45 degrees and Z = 120 degrees. If XZ = 4, then what is XY?
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Guest
Jan 10, 2021
0
289
0
geometry
A quadrilateral has angles of q, 5q + 15 , 3q - 55, and 4q - 20. Find the largest angle of the quadrilateral, in degrees
Guest
Jan 10, 2021
0
366
1
help with line
A line passes through the points (-3,-5) and (8,1). The equation of this line can be expressed in the form Ax+By=C, where A,B , and C are integers with greatest common divisor and is positive. Find A+B+C
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Guest
Jan 10, 2021
0
524
2
A right triangle has legs of length 6 and b, and a hypotenuse of length c. The perimeter of the triangle is 18. Compute c.
A right triangle has legs of length 6 and b, and a hypotenuse of length c. The perimeter of the triangle is 18. Compute c.
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Guest
Jan 10, 2021
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329
0
algebra
A ball is thrown in air and it's height, h(t) in feet, at any time, t in seconds, is represented by the equation h(t)=−4t^2+18t. When is the ball higher than 12 feet off the ground?
Guest
Jan 10, 2021
0
636
5
Please help ASAP!
1. Several months ago, Deven bought two plants. The two plants had the same height at the time when they were purchased. Ever since then, Plant A grew $10$ centimeters every month. Plant B grew $1$ centimeter in the first month after its purchase, $2$ centimeters
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Guest
Jan 10, 2021
0
355
1
trapezoid
Let ABCD be a trapezoid with bases AB and CD. Let AD = 5 and BC = 7, and let P be a point on side CD such that CP/PD = 7/5. If Q is a point on AB such that PQ is parallel to AB, then find AQ/QB.
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Guest
Jan 10, 2021
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497
1
counting
There are 88 students at Beast Academy. The number of students with fur is twice as large as the number of students with fangs. Half of the students with fangs also have fur. If 18 students have neither fur nor fangs, how many students have fur?
<
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Guest
Jan 10, 2021
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504
1
+86
Repost Help Please**
Suppose the function f is defined by the following list of ordered pairs:
{(2,3);(4,−2);(5,−3);(6,2)}{(2,3);(4,−2);(5,−3);(6,2)}
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JoLink
Jan 10, 2021
0
561
5
Riddle Competition
Please post your riddles without the answers or jokes and others will try to solve them. I have some below
1. I have many keys but do not unlock anything
What am I?
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Guest
Jan 10, 2021
0
278
0
floor function
Find all values of t such that floor(t) = 2t + 5. If you find more than one value, then list the values you find in increasing order, separated by commas.
Guest
Jan 10, 2021
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312
0
корень и синус
как вычесть корень из синуса
Guest
Jan 10, 2021
0
456
1
complex numbers
Find all complex number z such that z^4 = 1.
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Guest
Jan 10, 2021
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456
2
polynomial
Let f(x) be a quadratic polynomial such that f(-4) = -22, f(-1) = 2, and f(2) = -1. Let g(x) = f(x)^2. Find the sum of the coefficients of the terms in g(x) that have even degree.
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Guest
Jan 10, 2021
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509
2
+59
math
Amateur boxers can only compete with boxers of the same weight.
Two amateur boxers have weights in the ratio 2.5: 3.
Their total weight is 165 kg.
the table below shows the 3 weight categories and the weight of the boxer.
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helloguys
Jan 10, 2021
0
591
3
algebra
Jack and Joe leave their homes at the same time and drive toward each other. Jack drives at 80 mph, while Joe drives at 30 mph. They pass each other in 10 minutes. How far apart were Jack and Joe when they started?
hihihi
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Guest
Jan 10, 2021
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617
4
help geometry
If the given equilateral triangle has a side measure of 4. What is the sum of the areas of the stacked squares inside it?
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Guest
Jan 10, 2021
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547
3
+328
Andy's trading cards
Andy had a large collection of trading cards of famous soccer players. Many of his cards featured either Neymar (15%) or Mbappe (10%). However, Andy grew increasing discontent with Neymar’s behavior (as a “diver”) and traded all of his Neymar cards for
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Potatobird
Jan 10, 2021
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430
3
Weird inverse question :(
Let
Find the function k(x) such that f is its own inverse.
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Guest
Jan 10, 2021
-1
468
1
+285
Help
Find the common difference for the following sequence and fill in the missing terms. Show all calculations. 2, 13, 24, 35, __, __
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hihihi
Jan 10, 2021
0
401
1
+328
Serena and Sienna's work hours
Serena and Sienna both work for a company that pays 12 dollars per hour for the first 40 hours of work in a week. If an employee works beyond 40 hours, it is considered overtime, and the overtime pay is 18 dollars per hour (50% more). Last week Serena earned
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Potatobird
Jan 10, 2021
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453
1
help please
In how many ways can 36 be written as the product a*b*c*d, where a, b, c, and d are positive integers such that 2 <= a <= b <= c <= d?
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Guest
Jan 10, 2021
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447
2
+328
Samantha and the rain
It was raining outside and making a rhythmic dripping sound that slightly amused Samatha. She counted 6 drips every 20 seconds. It is10:00pm at night. At this rate,how many drips will Samatha hear until midnight (counting the drips at 10:00pm and midnight)?
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Potatobird
Jan 10, 2021
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381
1
number theory
How many ordered pairs (a, b) of positive integers satisfy a^2 + b^2 = 500?
MooMooooMooM
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Guest
Jan 10, 2021
0
340
1
Guadalupe Elementary and Granada Elementary
Guadalupe Elementary and Granada Elementary are sister schools from oppositeends of the city. This year they jointly organized a field trip. Ms. Morris of Guadalupe knew that 81 of their 5th-graders are going, at a 5:4 boy-to-girl ratio. She knew that the
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Guest
Jan 10, 2021
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