lawls
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 Townsend Harris High School
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Questions Answered

lawls:
If X1, X2, X3 are the number of spots on the upfaces of the three dice, then X = X1 + X2 + X3. Use this fact to find the mean and the stand…
 updated 3 months ago
 8 replies
 No Medals Yet
Mathematics

lawls:
In the figure below, what is the sum, in terms of n, of the degree measures of the four angles marked with arrows?
(a) n
(b) 2n…
 updated 8 months ago
 5 replies
 No Medals Yet
Mathematics

lawls:
If m and n are positive integers such that mn = 4000 and if neither m or n contains the digit 0, then mn could be
(a) 93
(b) 135
…
 updated 8 months ago
 8 replies
 2 Medals
Mathematics

lawls:
In the square below, what is the length of the longest line segment that can be drawn joining two of the points below without passing throug…
 updated 8 months ago
 4 replies
 No Medals Yet
Mathematics

lawls:
If r = 3t and rt = 8, then r^2 + t^2 = ?
 updated 8 months ago
 2 replies
 1 Medal
Mathematics

lawls:
Line segments QW, QX, QY, and QZ are segments of different lines which intersect at point Q. Segment QX bisects <WQZ. If m<WQY = 60 degrees,…
 updated 8 months ago
 8 replies
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Mathematics

lawls:
The average of x numbers is 12. If the avg of these x numbers and 4 and 6 is 10, what is the value of x?
 updated 8 months ago
 5 replies
 2 Medals
Mathematics

lawls:
can you factor 3x^2 + 4x  5
 updated 11 months ago
 11 replies
 1 Medal
Mathematics

lawls:
If theta represents an angle such that sin2theta = tantheta  cos2theta, then sinthetacostheta =?
 updated 11 months ago
 2 replies
 No Medals Yet
Mathematics

lawls:
ramona cycles from her house to school at 15mph and returns home at 25mph. if the entire trip takes 32 min, then what is the her avg speed, …
 updated 11 months ago
 12 replies
 1 Medal
Mathematics

lawls:
If x^3/5 = 1.84 then x^2 =
 updated 11 months ago
 3 replies
 No Medals Yet
Mathematics

lawls:
What is the derivative of square root 2x
 updated 11 months ago
 10 replies
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Mathematics

lawls:
find the derivative of x/ radical(x^2 + 1) using the quotient rule
 updated one year ago
 4 replies
 1 Medal
Mathematics

lawls:
find the second derivative of the function f(x) = 2(x^21)^3
 updated one year ago
 17 replies
 1 Medal
Mathematics

lawls:
Find the derivative of x/ radical (x^4 + 4) Please help!!!
 updated one year ago
 6 replies
 No Medals Yet
Mathematics

lawls:
Write as a piecewise function. f(x) = abs(3x2) + x
 updated one year ago
 4 replies
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Mathematics

lawls:
a rubber ball is dropped from a height of 100 feet and each time it rebounds 1/2 of the height from which it last fell. How far does the bal…
 updated one year ago
 4 replies
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Mathematics

lawls:
Find the 7th term of (x^2 + 3y)^9
 updated one year ago
 11 replies
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Mathematics

lawls:
Find the center, vertices, foci and eccentricity of
x^2 + 4y^2  4x 21 = 0
 updated one year ago
 3 replies
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Mathematics

lawls:
sketch the graph of the polar equation. r = theta
…
 updated one year ago
 7 replies
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Mathematics

lawls:
write the partial fraction decomposition for the rational expression.
(3x^2  7x  2)/ (x^3  x)
 updated one year ago
 17 replies
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Mathematics

lawls:
write the partial fraction decomposition for the rational expression.
(2x3)/(x1)^2
 updated one year ago
 6 replies
 No Medals Yet
Mathematics

lawls:
Solve the system of linear equations and check any solution algebraically.
2x +2z = 6
5x +3y = 11…
 updated one year ago
 36 replies
 1 Medal
Mathematics

lawls:
If 5=m^x, what is the value of 5m?
 updated one year ago
 19 replies
 2 Medals
Mathematics

lawls:
if a+b is not equal to 0 and ab is not equal to 0 then (a^2b^2)/(a^2+2ab+b^2)  (aba^2)/(a^2b^2) is equal to what?
 updated one year ago
 6 replies
 No Medals Yet
Mathematics

lawls:
find the sum of all positive multiples of 5 less than 400
 updated one year ago
 6 replies
 No Medals Yet
Mathematics

lawls:
If Ari, Ben, and Carol each choose a number at random between 1 and 5, inclusive, what is the probabilty that all of them choose different n…
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

lawls:
Each question on a multiple choice test has five equally likely answers. If Nicole guesses randomly on four questions, what is the probabili…
 updated one year ago
 5 replies
 1 Medal
Mathematics

lawls:
Palindromes are numbers such as 44 and 383 and 1441 that read the same from right to left as they do from left to right. If a 4digit number…
 updated one year ago
 15 replies
 1 Medal
Mathematics

lawls:
2x3 ≤ 7 and x2 ≤ 4. If x is an integer, what value of x is a solution for one inequality but not the other?
 updated one year ago
 3 replies
 1 Medal
Mathematics
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