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Post New Question
All Questions
+0
234947 Questions
0
368
0
geometry
Right triangle ABC has one leg of length 6, one leg of length 8, and a right angle at A. A square has one side on the hypotenuse of triangle ABC and a vertex on each of the two legs of triangle ABC. What is the length of one side of the square?
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Guest
May 30, 2020
+2
443
1
+283
Geometry Question
Can someone please help me?
Triangle ABC has altitudes AD, BE, and CF. If AD = 12, BE = 14, and CF is a positive integer, then find the largest possible value of CF
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Caffeine
May 30, 2020
0
610
0
+280
Sanjay attempts a 49-yard field goal in a football game.
Sanjay attempts a 49-yard field goal in a football game. For his attempt to be a success, the football needs to pass through the uprights and over the crossbar that is 10 feet above the ground.
Sanjay kicks the ball from the ground with an initial
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auxiarc
May 30, 2020
0
451
1
hard number theory
Find the smallest positive integer n such that both 2n + 1 and 3n + 1 are perfect squares.
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Guest
May 30, 2020
0
508
1
help
How many subsets of 2 elements can be removed from the set {1,2,3,4,5,6,7,8,9,10,11} such that the mean becomes 6?
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Guest
May 30, 2020
0
387
1
please help
If a number x is 10% of y, what percent of 5y is 10x?
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Guest
May 30, 2020
0
1199
2
+1072
Help Please!!!
1. In the coordinate plane, let A be a point on the x-axis, and let B be a point on the y-axis, so that AB is tangent to the unit circle. Find the minimum value of AB.
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SpongeBobRules24
May 30, 2020
-1
485
1
+865
Some algebra help
Let $(x) = 2x - 3 and g(f(x)) = 5-4x. Find g(4).
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AnimalMaster
May 30, 2020
0
418
0
+9
DONT GET PLS HELP
When the fraction
3
_____
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SmartTech
May 30, 2020
0
907
1
help
Firefighter Steve was born in 1950. Steve had a grandmother who was born in a year which is the product of two prime numbers, one of which is one less than twice the other. In what year did Steve’s grandmother celebrate her 90th birthday?
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Guest
May 30, 2020
0
1111
4
+1072
Help Please!!!
1. Let x and y be positive real numbers such that x + y = xy Find the smallest possible value of x + y.
2. For positive real numbers x, y, and z, find the minimum value of
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SpongeBobRules24
May 30, 2020
0
549
1
help
A collection of 20 coins made up of only nickels, dimes and quarters has a total value of $3.35. If the dimes were nickels, the nickels were quarters and the quarters were dimes, the collection of coins would have a total value of $2.75. How many quarters
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Guest
May 30, 2020
0
477
1
help!
Determine l + n in the figure.
* All lines are straight
* Figure not drawn to scale
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Guest
May 30, 2020
-2
655
3
+218
Help?
In rectangle is on side
Help?
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Noori
May 30, 2020
0
508
1
geometry
A circle touches two perpendicular lines with point T being 8 and 9 units form the two lines as shown in the figure. Find the radius of the circle.
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Guest
May 30, 2020
0
614
1
please help
How many different 7 digit palindromes are there?
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Guest
May 30, 2020
-3
583
2
+171
halp plzz
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BillyBobJoeJr
May 30, 2020
-4
506
1
+171
ok help plz
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BillyBobJoeJr
May 30, 2020
-1
564
1
+116
Matrices Solving
Let . Find all values of such that , where is the identity matrix.
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somebody
May 30, 2020
-3
572
3
+116
Matrices
Hey guys! I need help this this question:
Given that , find . I tried constructing a matrix with a determinant of 24 but couldn't find one. Does anyone have ideas?
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somebody
May 30, 2020
0
516
2
Modular Math
There are two 7-digit integers that satisfy the following congruences: N mod 3=1, N mod 5 =2, N mod 7 =3, N mod 11 =4, N mod 13 =5, N mod 17 =6 and N mod 19 =7. What are the two 7-digit integers?
Thanks for any help.
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Guest
May 30, 2020
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