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Post New Question
All Questions
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237779 Questions
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7
134
1
Equations
1. Find all real numbers a that satisfy \frac{1}{64a^3 + 7} - 7 = 0.
2. Find all values of a that satsify the equation \frac{a}{3} + 1 = \frac{a + 3}{a} + 1.
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Guest
Apr 30, 2023
-1
152
2
PLS HELP ASAP
Q1. For , the amount of U.S. federal tax owed is a function of taxable income :
\[T(d) = \begin{cases}
0.1d & \text{if}~d \le 9875, \\
0.12(d-9875) + 987.5 & \text{if}~ 9876 \le d \le 40125, \\
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Guest
Apr 30, 2023
+10
131
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+215
I discovered a website called Brainly:
I just discovered a website called Brainly:
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xud33
Apr 30, 2023
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126
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Simplify
Simplify the expressionab^2 + 3a^3b - ab^2 + ab^2 - a^3*b - 4a^3b + 2a^3b - ab^2.
Guest
Apr 30, 2023
0
134
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Simplify
Assuming that 3u + v neq 0, simplify (54u^2 v + 18uv^2)(9u + 3v).
Guest
Apr 30, 2023
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150
1
a s***w gauge has 50 divisions on its circular scale. the pitch of the s***w gauge is 0.5 mm. what is its least count?
a s***w gauge has 50 divisions on its circular scale. the pitch of the s***w gauge is 0.5 mm. what is its least count?
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Guest
Apr 30, 2023
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152
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help help
Help I don't know how to count
In how many ways can three pairs of siblings from different families be seated in two rows of three chairs, if siblings may sit next to each other in the same row, but no child may sit directly
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Guest
Apr 30, 2023
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157
1
help plz
What is the smallest distance between the origin and a point on the graph of y = 1/2*(x^2 - 18)?
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Guest
Apr 30, 2023
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136
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Solve
Solve 3a + 4b = a - 8b + 24 - a + 8b for a in terms of b.
Guest
Apr 30, 2023
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47
5
Algebra
We are looking to factor $23x^2 + kx - 5.$ Some values of $k$ allow us to factor it as a product of linear binomials with integer coefficients. What are all such values of $k?$
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Guest
Apr 30, 2023
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Plz help
This is some very hard geometry
Triangle XYZ is equilateral. Points Y and Z lie on a circle centered at O, such that X is the circumcenter of triangle OYZ, and X lies inside triangle OYZ. If the
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Guest
Apr 30, 2023
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133
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Complex numbers
Can anyone help?
Describe all solutions to zw - 3w - 2iw + 4z = 7iw + 5w + 11iz - 13 + 15i
where z and w are complex numbers.
Guest
Apr 30, 2023
Apr 29, 2023
+1
104
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+2669
Hard Competition Geometry Problem
Compute the length of the shortest path that starts at the origin, touches the line y = 2x - 4, and then ends at (0, 1).
I now know the answer but don't know how to solve it. Any help would be appreciated!
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BuilderBoi
Apr 29, 2023
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134
3
Help how to solve
How do you solve this it's hard
When it rains, every student in Margo's school brings a raincoat, an umbrella, or both. And 10% of the students bring both. The total number of umbrellas brought is equal to twice the number
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Guest
Apr 29, 2023
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136
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Help me
Help I'm bad at geometry
A certain square and a certain equilateral triangle have the same perimeter. The square and triangle are inscribed in circles, as shown below. If A is the area of the square and B is the area of the triangle,
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Guest
Apr 29, 2023
0
135
1
help quick
Help I need the answer
In triangle PQR, let X be the intersection of the angle bisector of angle P with side QR, and let Y be the foot of the perpendicular from X to line PR. If PQ = 9, QR = 9, and PR = 9, then compute the length of
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Guest
Apr 29, 2023
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125
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counterexamples
If x is an integer, then –x is a negative number.
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Guest
Apr 29, 2023
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134
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help plz
In triangle AB, let the angle bisectors be BY and CZ. Given AB = 16, AY = 16, and CY = 16, find BC and BZ.
Guest
Apr 29, 2023
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161
1
help help
I need help with geometry
In square ABCD, P is on BC such that BP = and PC = , and Q is on CD such that BQ = and QC = . Find sin angle PAQ.
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Guest
Apr 29, 2023
+11
144
2
+215
Thanks a lot if you helped!
Convert to rectangular form.
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xud33
Apr 29, 2023
+2
112
2
+215
I need help fast!!!!!
Find the range of the function All functions are in radians.
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xud33
Apr 29, 2023
+10
133
2
+215
Help
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xud33
Apr 29, 2023
+11
82
3
+215
Help please!!!!!
Steve has one quarter, two nickels and three pennies. Assuming no items are free, for how many different-priced items could Steve individually pay for with exact change?
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xud33
Apr 29, 2023
+2
137
1
+42
Please help, thanks in advance
A projectile is fired with an initial velocity of $v$ at an angle of $\theta$ from the ground. Then its trajectory can modeled by the parametric equations \begin{align*} x &= vt \cos \theta, \\ y &= vt \sin \theta - \frac{1}{2} gt^2, \end{align*}where
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lpieleanu
Apr 29, 2023
0
157
1
Help plz
I don't get triangles
1. Find the area of triangle ABC if AB = 6, BC = 8, and angle ABC = 90 degrees.
2. If angle ABC = 135 degrees, and angle ACB = 30 degrees, what is angle BAC?
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Guest
Apr 29, 2023
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