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Post New Question
All Questions
+0
236343 Questions
+6
1
315
3
+289
cphil polz hlp! u r good at c&p
If you flip a fair coin four times, what is the probability of flipping at least three heads in a row? Express your answer as a common fraction.
BuilderBoi
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Glowlife
Apr 14, 2022
0
269
2
Quadratic
The equation y = -16t^2 + 26t + 105 describes the height (in feet) of a ball tossed up in the air at 26 feet per second from a height of 105 feet above the ground. In how many seconds will the ball reach 50 feet? Express your answer as a decimal rounded
read more ..
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Guest
Apr 14, 2022
0
271
2
Coordinates
The points (2,3) and (3,2) lie on a circle whose center is on the x-axis. What is the radius of the circle?
BuilderBoi
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Guest
Apr 14, 2022
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325
2
Algebra
Let x and y be real numbers such that 2(x^2 + y^2) = x + y + 1. Find the maximum value of x - y.
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Guest
Apr 14, 2022
0
306
5
NOT 4/25 or 4/9 HELP!!!!!
A stick has a length of 5 units. The stick is then broken at two points, chosen at random. What is the probability that all three resulting pieces are SHORTER THAN 3 UNITS
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Guest
Apr 14, 2022
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291
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geometry
Two sectors of a circle of radius 12 overlap as shown, with P and R as the centers of the respective circles. Determine the area of the shaded region.
read more ..
BuilderBoi
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Guest
Apr 14, 2022
0
289
4
4/25 is wrong. DUE TODAY
A stick has a length of 5 units. The stick is then broken at two points, chosen at random. What is the probability that all three resulting pieces are shorter than 3 units?
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Guest
Apr 14, 2022
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302
13
help
g(x)=x^3+2x^2-17x+6
1)show that (x-3) is a factor of g(x)
2)hence express g(x) as a product of a linear factor and a quadratic factor
3)hence solve the equation g(x)=0 leaving any answers in an exact form
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Guest
Apr 14, 2022
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317
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Coordinates
Let P and Q be constants. The graphs of the lines x + 5y = 23 and 16x + Py = Q are perpendicular and intersect at the point (8,3). Enter the ordered pair (P,Q).
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Guest
Apr 14, 2022
0
269
4
help
i)expand (2+3x)^6 in arcending order power of x up to and including the term in x^2 simplifying the coefficient.
ii)given that the coefficient of x^2 in the expansion of (1+ax)(2+3x)^4 is 2304 fing the value of the constant a.
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Guest
Apr 14, 2022
-10
385
5
+64
Ik this is just math site but i rly need help on this
Match the logical fallacy to the correct definition.
Based on insufficient evidence
Uses someone who is not an expert on the issue
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Kakashi
Apr 14, 2022
0
316
3
DUE TOAY HELLLLLP
A stick has a length of 5 units. The stick is then broken at two points, chosen at random. What is the probability that all three resulting pieces are shorter than 3 units?
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Guest
Apr 14, 2022
0
285
2
Geometry
What is the radius of the circle inscribed in triangle ABC$ if AB = 15, AC = 41, and BC = ?
Vinculum
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Guest
Apr 14, 2022
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388
4
need help
What is the smallest distance between the origin and a point on the graph of ?
Little confused. How to proceed? I was thinking find (x,y) formula for the equation, then use distance formula?
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Guest
Apr 14, 2022
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303
3
help
h(x)=x^4+4x^3-33x^2+ax+b
where a and b are constants
i)given that (x+1) and (x-1) are factors of h(x), determine the values of a and b.
ii)fully factorise h(x)
read more ..
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Guest
Apr 14, 2022
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284
6
help probability
x is chosen at random between -1 and -4, and y is chosen at random between and . What is the probability that the product xy is positive.
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Guest
Apr 14, 2022
0
285
5
Number Theory
If a, b, and c are non-negative integers less than 7 such that a+2b+3c=0(mod 7), 2a+3b+c=1(mod 7), 3a+b+2c=4 (mod 7) then determine the remainder when abc is divided by 7.
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Guest
Apr 14, 2022
-1
280
3
Multiples
Let x be the smallest multiple of 11 that is greater than 100 and y be the greatest multiple of 11 less than 100 . Compute x - y.
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Guest
Apr 14, 2022
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295
3
Maximum area
A fence for a rectangular garden with one side against an existing wall is constructed by using 60 feet of fencing. What is the maximum area that can be enclosed
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Guest
Apr 14, 2022
0
307
3
Complex numbers
Solve for z in the following equation:
1-iz = -1 + iz + 3z - 2 (where i^2 = -1). Simplify your answer as much as possible.
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Guest
Apr 14, 2022
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278
3
Coordinates
Find the equation of the line passing through the points (-2,5) and (3/2, 2). Express the answer in standard form.
BuilderBoi
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Guest
Apr 14, 2022
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298
3
Coordinates
Square PQRS has vertices P (2, 6), Q (6, 5), R (5, 1). What are the coordinates of S?
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Guest
Apr 14, 2022
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268
1
plz help
the coefficient of the x^4 term in the expansion of (3x+a)^6 is 59535.
work out the possible values of a .
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Guest
Apr 14, 2022
0
305
8
Complex numbers
What is a - 2b, where a= 4 - 2i + 7 and b = 3 + 2i - 5i?
BuilderBoi
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Guest
Apr 14, 2022
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