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All Questions
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236348 Questions
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467
1
In the figure, angles ABC and AST are right angles. If AC = 35, AT = 11, and BT = 9, then what is AS?
In the figure, angles ABC and AST are right angles. If AC = 35, AT = 11, and BT = 9, then what is AS?
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Guest
Jan 29, 2022
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329
1
Number problem
What is the remainder when 2 + 4 + 6 + ... + 100 + 102 + 104 is divided by 7?
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Guest
Jan 29, 2022
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196
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help geometry
Points X, Y, and Z are on the sides QR , PR, and PQ respectively, of right triangle PQR such that PZXY is a square. If PQ=12 and PR = , then what is the side length of the square?
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Guest
Jan 29, 2022
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303
1
Algebra
What non-zero rational number must be placed in the square so that the simplified product of these two binomials is a binomial: $(7t - 10)(3t + \square)$? Express your answer as a mixed number.
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Guest
Jan 29, 2022
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525
2
Help pls
Find the inradius of triangle ABC if it's sides lengths are 29, 29, 40.
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Guest
Jan 29, 2022
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330
1
If a^2 + 2ab + b^2 = 81, then calculate a + b.
If a^2 + 2ab + b^2 = 81, then calculate a + b.
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Guest
Jan 29, 2022
0
336
1
If (a * b)^2 = 25, then calculate a * b.
If (a * b)^2 = 25, then calculate a * b.
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Guest
Jan 29, 2022
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313
1
Algebra
Write down the quadratic equation whose roots are x = -7 and x = and the coefficient of x^2 is 1.
Enter your answer in the form "x^2 + bx + c = 0".
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Guest
Jan 29, 2022
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316
1
Coefficient
Find the coefficient of y^4 in the expansion of (2y - 7)^5.
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Guest
Jan 29, 2022
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335
2
Algebra
Calculate sqrt(60x)*sqrt(12x)*sqrt(63x)*sqrt(42x). Express your answer in simplest radical form in terms of x. Note: When entering a square root with more than one character, you must use parentheses or brackets. For example, you should enter sqrt(14) as
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Guest
Jan 29, 2022
+1
364
1
+1632
trigonometry help please
is a regular tetrahedron (right pyramid whose faces are all equilateral triangles). If is the midpoint of line segment , then what is ?
Please help me, thanks.
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proyaop
Jan 29, 2022
0
330
1
Please help me in this math question please
{[9/3*-1]+5}+(2*52)
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Guest
Jan 29, 2022
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316
1
Help fast
If a^2-b^2=10 and a-b=2 what is a+b?
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Guest
Jan 29, 2022
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310
1
Geometry
How many sides would there be in a convex polygon if the sum of all but one of its interior angles is degrees?
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Guest
Jan 29, 2022
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194
0
Algebra
Let $f(x) = \left\lfloor \frac{2 - x}{x + 5} \right\rfloor$. Evaluate f(1) + f(2) + f(3) + ... + f(999) + f(1000).
Guest
Jan 29, 2022
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200
0
help geometry
Let triangle ABC have centroid G. D lies on AB such that AD/BD=2/3, and E lieson AC such that AE/CE =4/7. Lines DG and EG intersect BC at points P and Q, respectively. Find PQ/BC.
Guest
Jan 29, 2022
0
265
1
Help will be appreciated!
(a) How many cards are in a complete deck of Set? (b) How many unique sets are there? When three cards form a set, we can also count the number of attributes for which all three cards are the same. For example, in the set below, all three cards have the
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Guest
Jan 29, 2022
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262
1
Congruences
Determine the smallest non-negative integer a that satisfies the congruences:
a = 2 (mod 3)
a = 4 (mod 5)
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Guest
Jan 29, 2022
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349
2
i need help
h^2= x^2+x^2<=> = x^2+x^2
how do you do the next part?
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Guest
Jan 29, 2022
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210
0
Polynomial
Let p(x) be a monic polynomial of degree 6 such that p(1) = 1, p(2) = 2, p(3) = 3, p(4) = 4, p(5) = 25, and p(6) = 6. Find p(7).
Guest
Jan 29, 2022
0
342
3
HELP PLEASE DUE VERY SOON
Someone tossed 4 coins.
What is the probabilty that he will get exactly 3 tails when he tosses the 4 coins?
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Guest
Jan 29, 2022
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217
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geometry
ABC has ∠BCA = 2∠BAC. Side BC is extended through C to a point D so
that AC = CD. If AB = 3 and BC = , find AD.
Guest
Jan 29, 2022
0
357
2
Counting
How many positive 4-digit integers contain the digit grouping 73 at least once, or the numbers 7 or 3 once? For instance, 2738 and 7344 are two such integers to include.
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Guest
Jan 29, 2022
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371
2
Help
9 students and 6 teachers went on a field trip to an art museum. Student tickets cost $3 each, and adult tickets cost $7 each. How much did the museum tickets cost in all?
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Guest
Jan 29, 2022
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369
2
help algebra
if x+y=10, and xy=16, what is (x-y)*(x^2 - y^2)?
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Guest
Jan 29, 2022
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