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Post New Question
All Questions
+0
230451 Questions
+1
522
1
Help!
The diagram below shows ΔPQT; its altitude, which is segment PR ; and some of its measurements.
What is m∠TPR? Show or explain how you got your answer.
For Parts (b), (c), and (d), write the exact answer in simplified radical form.
What
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Guest
May 27, 2019
+1
667
1
How to solve this problem
A. Patrice buys a block of wax in the shape of a right rectangular prism. The dimensions of the block are 20 cm by 9 cm by 8 cm.
What is the volume of the block? Show your work.
B. Patrice melts the wax and creates a
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hectictar
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Guest
May 27, 2019
+4
1333
7
+2862
AMC 8 Questions Review
I just took the AMC 8. I scored a 20/25
4 of the incorrect answers were just silly mistakes and miscalculation
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CalculatorUser
May 27, 2019
+1
1803
3
PLs
Gerry goes to sleep at 11 pm each night. But he doesn't sleep very well, so he awakens at a random time between 1:00 am and 3:59 am, with each minute equally likely (including 1:00 and 3:59). He then reads the hour and minute shown on his clock as a three
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Guest
May 27, 2019
0
2826
2
+88
Triangle ABC has AB=13,AC=14,BC=15. 2 circles in angle BAC are tangent to ray AB,AC,segment BC.Find distance between the centers of circles.
Let triangle ABC have side lengths AB=13, AC=14, and BC=15. There are two circles located inside angle BAC which are tangent to rays AB, AC, and segment BC. Compute the distance between the centers of these two circles.
Kind
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alskdj
May 27, 2019
May 26, 2019
+1
495
2
Help Please!
1) When a positive integer is expressed in base 7, it is AB base 7 , and when it is expressed in base 5, it is BA base 5. What is the positive integer in decimal?
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Guest
May 26, 2019
+1
1778
5
Hmmmm? Can you teach me how to do this
A five-digit integer will be chosen at random from all possible positive five-digit integers. What is the probability that the number's units digit will be less than 5? Express your answer as a common fraction.
Suppose that after
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Guest
May 26, 2019
+2
780
2
Math Problem
Find constants $A$ and $B$ such that \[\frac{x + 7}{x^2 - x - 2} = \frac{A}{x - 2} + \frac{B}{x + 1}\] for all $x$ such that $x\neq -1$ and $x\neq 2$. Give your answer as the ordered pair $(A,B)$.
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Guest
May 26, 2019
+1
699
1
Math help one question
math help thanks
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Guest
May 26, 2019
0
4169
3
+88
In the diagram, square ABCD has sides of length 4, and triangle ABE is equilateral. Line segments BE and AC intersect at P. Point
In the diagram, square ABCD has sides of length 4, and triangle ABE is equilateral. Line segments BE and AC intersect at P. Point Q is on BC so that PQ is perpendicular to BC and PQ=x.
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alskdj
May 26, 2019
-1
866
1
+170
Confused please help
Let and be the roots of
Find the monic polynomial, in whose roots are and
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FlyEaglesFly
May 26, 2019
0
1355
1
Question W/ Graph
The graph shows the vertical displacement y, in centimeters, that a weight bouncing from a spring would achieve if there were no friction, for a given number of seconds, x.
(Thanks So Much for your help).
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Guest
May 26, 2019
0
533
2
Hello, I just have one question with three short parts, I was hoping I could recieve some help. I'd appreciate it, thanks. :)
Hello, I just have one question with three short parts, I was hoping I could recieve some help. I'd appreciate it, thanks. :)
(Thanks so much for your help).
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Guest
May 26, 2019
0
834
2
How many positive 3-digit numbers are multiples of 20, but not of 55?
How many positive 3-digit numbers are multiples of 20, but not of 55?
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Guest
May 26, 2019
0
1530
1
Otto's investment portfolio consisted of shares of internet stock and copper stock. During the year, the value of his internet shares increa
Otto's investment portfolio consisted of shares of internet stock and copper stock. During the year, the value of his internet shares increased 10%,but the value of his copper shares decreased from $10,000 to $9,000. During the same year, the total
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Guest
May 26, 2019
-1
808
6
Help Please!
1) Determine the smallest non-negative integer that satisfies the congruences:
a = 2 (mod 3)
a = 4 (mod 5)
a = 6 (mod 7)
a = 8 (mod 9)
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Guest
May 26, 2019
0
868
1
+1242
Irrational Roots
There is a unique polynomial P(x) of degree 4 with rational coefficients and leading coefficient 1 which has as a root. What is P(1)?
I know one part of it is already.
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Lightning
May 26, 2019
0
1099
1
Fifty numerical data points have a mean of 20. If each data point is doubled and combined with the original data points to form 100 data poi
Fifty numerical data points have a mean of 20. If each data point is doubled and combined with the original data points to form 100 data points, what is the numerical average of the combined data?
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Guest
May 26, 2019
+1
1691
1
+367
help?
The number N is a multiple of 7. The base 2 representation of N is 10110101010101ABC110.
Compute the ordered triple of digits (A,B,C).
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Badada
May 26, 2019
0
558
5
Prove identity
Hi, please help me prove an identity..
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Guest
May 26, 2019
0
911
2
+239
Relations between Angles and sides of a triangle
If in a triangle ABC, ab = c2 prove that
cos(A - B) + cos C + cos 2C = 1
NB - could only solve if a and b are equal to c [equilateal]...but not sure if correct
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OldTimer
May 26, 2019
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