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All Questions
+0
237641 Questions
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377
1
Maths....
what is 10^10^10^10^1.99431
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Guest
Dec 13, 2020
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391
1
triangle problem
What is the radius of the circle inscribed in triangle ABC if AB=22, AC=12, and BC=13? Express your answer in simplest radical form.
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Guest
Dec 13, 2020
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338
0
help with geometry
In the diagram, triangle ABE, triangle BCE and triangle CDE are right-angled, with Angle AEB= Angle BEC= Angle CED=60 degrees, and AE=25. Find the length of DE.
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Guest
Dec 13, 2020
+1
488
1
+5
This is so hard I need help
In a survey, 400 boys were asked to name their favorite sport. The results showed that 150 of the boys named soccer as their favorite sport. what percentage of the boys in the survey named soccer as their favorite sport?
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Manual
Dec 13, 2020
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482
1
base number
What is the greatest 3-digit base 8 positive integer that is divisible by 6? (Express your answer in base 8.)
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Guest
Dec 13, 2020
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571
1
+14
Jack leaves Detroit at 2:00 P. M. and drives at a constant speed. He passes Ann Arbor, 40 mi from Detroit, at 2:50 P. M. Find a function th
Jack leaves Detroit at 2:00 P. M. and drives at a constant speed. He passes Ann Arbor, 40 mi from Detroit, at 2:50 P. M. Find a function that models the distance in miles he has traveled after t min.
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joedirt
Dec 13, 2020
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876
1
Modulus problem:)
A book has 136 pages. Each page has the same number of words, and each page has no more than 100 words on it. The number of words in the book is congruent to 184, modulo 203. How many words are on each page?
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Guest
Dec 13, 2020
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573
1
HELP ASAP!!
Find an integer n such that and n is a multiplicative inverse to 7 modulo 398.
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Guest
Dec 13, 2020
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498
3
geometric sequences
If the second term of an arithmetic sequence is -7 and the fifth term is 16, then what is the fourteenth term?
Thank you!
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Guest
Dec 13, 2020
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430
1
what + what = 15 and their diffrence is 7
what + what = 15 and their diffrence is 7
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Guest
Dec 13, 2020
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460
2
algebra question
The arithmetic progressions 2, 5, 8, 11 ... and 3, 10, 17, 24 ... have some common values. What is the largest value less than 800 that they have in common?
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Guest
Dec 13, 2020
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464
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+14
The maximum speed permitted on a certain highway is 65 mi/h, and the minimum is 40 mi/h. The fine for violating these limits is $15 for ever
The maximum speed permitted on a certain highway is 65 mi/h, and the minimum is 40 mi/h. The fine for violating these limits is $15 for every mile above the maximum or below the minimum. Let F(x) be the fine assessed when the speed is x mph. Find a formula
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joedirt
Dec 13, 2020
0
1278
1
How many integers between 300 and 500 have the sum of their digits equal to 16?
How many integers between 300 and 500 have the sum of their digits equal to 16?
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Guest
Dec 13, 2020
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672
1
+14
How many liters of a 20% alcohol solution must be mixed with 10 liters of an 80% solution to get a 40% solution?
How many liters of a 20% alcohol solution must be mixed with 10 liters of an 80% solution to get a 40% solution?
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joedirt
Dec 13, 2020
0
1225
1
help with lines
Lines t and w are parallel in the xy-plane. The equation of line is 4x + 7y = 14, and line w passes through (-3,9). What is the vaule of the y- intercept of line w?
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Guest
Dec 13, 2020
0
396
2
right triangle
For what value of a is there a right triangle with sides a+1, 6a, and 2a+1?
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Guest
Dec 13, 2020
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400
1
real solutions
I choose a random integer n between 1 and 10 inclusive. What is the probability that for the n I chose, there exist no real solutions to the equation x(x + 1) = n ? Express your answer as a common fraction.
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Guest
Dec 13, 2020
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507
1
rational solutions
There are two postive integers c for which the equation 5x^2 + 12x + c = 0 has rational solutions. What is the product of those two values of c?
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Guest
Dec 13, 2020
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474
1
help pls
Which of the following statements are correct?
A. If one interior angle of a parallelogram is a right angle, then the parallelogram must be a rectangle.
B. If two diagonals of a rectangle are perpendicular, then the rectangle must be a square.
C.
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Guest
Dec 13, 2020
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434
1
I don't get this and need help fast
Let f(x) = 12x+7 and g(x) = 5x+2 whenever x is a positive integer. Define h(x) to be the greatest common divisor of f(x) and g(x). What is the sum of all possible values of h(x)?
Thanks in advance!
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Guest
Dec 13, 2020
0
461
0
A particle moves along a straight line with an acceleration of a = 4 sin ' m/s2.
A particle moves along a straight line with an acceleration of a = 4 sin ' m/s2. If the displacement at t = 0) is 0, and the initial velocity is -Sm/s,
find
i. The acceleration after 2 seconds.
ii. The velocity after
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Guest
Dec 13, 2020
0
2
1806
1
1. (1’) The position function of a particle is given by s(t) = 3t2 − t3, t ≥ 0.
1. (1’) The position function of a particle is given by s(t) = 3t2 − t3, t ≥ 0.
(a) When does the particle reach a velocity of 0 m/s? Explain the significance of this value of t.
(b) When does the particle have acceleration 0 m/s2?
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Guest
Dec 13, 2020
0
666
4
In rectangle ABCD, I is the midpoint of AD and E and F trisect BC.
In rectangle ABCD, I is the midpoint of AD and E and F trisect BC. BD intersects EI and FI and G and H. Find the ratio of the area of triangle GHI to the area of rectangle ABCD.
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Guest
Dec 13, 2020
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