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Post New Question
All Questions
+0
234777 Questions
0
368
1
Help please!
Consider the following statement: Let f be a function, such that for all a and b in the domain of f, f(a)=f(b) implies a=b. Then the function f has an inverse.
Is this statement true or false?
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Guest
Nov 19, 2020
0
371
1
How many 4-digit numbers
How many 4-digit numbers have the second digit even and the fourth digit at least three times the second digit?
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Guest
Nov 19, 2020
0
462
1
common factors
How many positive divisors do 852, 8400, and 7560 have in common?
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Guest
Nov 19, 2020
0
513
2
The integers G and H are chosen
The integers G and H are chosen such that
G/(x + 5) + H/(x^2 - 4x) = (3x^2 - 13x - 5)/(x^3 + x^2 - 20x)
for all values of x except -5, 0, and 4. Find H/G.
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Guest
Nov 19, 2020
0
498
1
The inhabitants of the island of Jumble use the standard Roman alphabet (26 letters, A through Z).
The inhabitants of the island of Jumble use the standard Roman alphabet (26 letters, A through Z). Each word in their language is 3 letters, and for some reason, they insist that all words contain the letter A or B at least once. How many 3-letter words
read more ..
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Guest
Nov 19, 2020
0
582
2
+153
I need halp soon
Asuming that p and q are nonzero simplify: $\dfrac{(pq^3)^3(4p^2q)^2}{(2pq^2)^3}$
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Thanks4helping
Nov 19, 2020
+1
729
2
+38
trig questions
which of the following is equivalent to the expression sin 2x cos x-sin x cos2x
a. sinx
b. sin 3x
read more ..
asinus
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Debnath
Nov 19, 2020
0
440
1
help?
1000=4*2^m-1
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Guest
Nov 19, 2020
0
396
1
In a three-digit number
In a three-digit number, the hundreds digit is greater than 6, the tens digit is greater than 5 but less than 8, and the units digit is the smallest prime number. How many three-digit numbers satisfy all of these conditions?
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Guest
Nov 19, 2020
0
476
0
I need calculations for this thanks
1. A skydiver jumps from a hovering helicopter that is 3640 meters above the ground. If air resistance can be ignored, how fast will he be falling when his
altitude is 2,430 m?
2. A box is projected up a long ramp (incline angle with
read more ..
Guest
Nov 19, 2020
0
423
1
quadratic
If we express 3x^2 - 8x - 2 in the form a(x - h)^2 + k, then what is a + h + k?
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Guest
Nov 19, 2020
0
1519
5
Your math club has 20 members.
Your math club has 20 members. In how many ways can it select a president and a vice-president if no member can hold more than one office?
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Guest
Nov 19, 2020
0
571
3
how much smaller is 2 × 10^6 than 4 × 10^3?
how much smaller is 2 × 10^6 than 4 × 10^3?
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Guest
Nov 19, 2020
0
656
1
A pentagon ABCDE is translated north by 40 units to pentagon A1B1C1D1E
A pentagon ABCDE is translated north by 40 units to pentagon A1B1C1D1E1. Pentagon A1B1C1D1E1 is then translated east by 150 units to pentagon A2B2C2D2E2. We know the perimeter of pentagon ABCDE is 30 units. Find CC2.
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Guest
Nov 19, 2020
0
392
1
Help please
Find the intersection of the lines 9x-4y=30 and 7x+y=11. Express your answer as an ordered pair (x,y).
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Guest
Nov 19, 2020
+1
533
2
+153
Need help guys
Expand $3p^5q^3\left( 2pq + \frac{5}{(pq)^2} \right)$
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Thanks4helping
Nov 19, 2020
0
848
1
College Algebra Help
A waitress sold 20 ribeye steak dinners and14 grilled salmon dinners, totaling $591.53 on a particular day. Another day she sold 24ribeye steak dinners and 7 grilled salmon dinners, totaling $581.91. How much did each type of dinner cost?
read more ..
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Guest
Nov 19, 2020
0
560
1
circle translated
A circle with radius 2 is translated 5 units. What is the perimeter of the region swept out by the circle?
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Guest
Nov 19, 2020
+1
552
2
+153
Help me with this problem please
Evaluate the following when $a = 3$ , $b = \frac14$, and $c = 5$ :
read more ..
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Thanks4helping
Nov 19, 2020
+1
584
2
+153
Repost because I got no answer
https://web2.0calc.com/questions/halp-me-asap_1
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Thanks4helping
Nov 19, 2020
0
379
1
A regular pentagon is rotated counterclockwise about its center
A regular pentagon is rotated counterclockwise about its center until it coincides with its original position. If the pentagon is rotated by an obtuse angle, then what is the obtuse angle?
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Guest
Nov 19, 2020
Nov 18, 2020
0
459
1
I desperately need help :')
Janice gave me a calculator with a special button marked * This button behaves weirdly: When an odd integer is displayed, pressing the * button multiplies the number by 3 and then subtracts 1 When an even integer is displayed, pressing the * button
read more ..
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Guest
Nov 18, 2020
0
490
1
go answer this question? It's been sitting there for some time now...
https://web2.0calc.com/questions/x-2-px-q-0-has-one-negative-solution-and-one-positive
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Guest
Nov 18, 2020
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