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Post New Question
All Questions
+0
231313 Questions
0
264
1
piecewise function
Let
Find f(-3) + f(0) + f(3).
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Guest
Feb 16, 2021
0
369
1
please help i dont understand this
PROBLEM 1-
Let . Find .
PROBLEM 2-
read more ..
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Guest
Feb 16, 2021
+3
629
7
+27
Rectangle EFGH is rotated 90 clockwise around the origin.
Rectangle EFGH is rotated 90° clockwise around the origin.
What are the coordinates of the image of point F?
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Aphmau
Feb 16, 2021
0
388
1
help please... i don't know where to start
(a) Simplify
(b) For some positive integer n, the expansion of has three consecutive coefficients a,b,c that satisfy a:b:c=1:7:35. What must n be?
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Guest
Feb 16, 2021
0
474
1
3 times the square root of the quantity of x plus 6 equals negative 12 an extraneous solution?
3 times the square root of the quantity of x plus 6 equals negative 12 an extraneous solution?
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Guest
Feb 16, 2021
0
453
0
math
Mike and Andy are each reading the same book. Mike read \frac{2}{4}42 of the book on Tuesday and \frac{1}{3}31 of the book on Wednesday. Andy read \frac{1}{2}21 of the book on Tuesday and \frac{1}{5}51 of
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Guest
Feb 16, 2021
0
439
1
sum of coefficients
Find the sum of the coefficients in the polynomial 3(3x^7 + 8x^4 - 7) + 7(x^5 + 7x^2 + 5) when it is fully simplified.
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Guest
Feb 16, 2021
0
582
1
I need help fast please
A group of students go to the store to buy school supplies.
If they buy three binders and four notebooks, the bill will be $4.85.
If they buy three binders and ten notebooks, the bill will be $8.75.
What is the cost of each
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Guest
Feb 16, 2021
0
347
1
proportion
If (x + 2)(3x^2 + x + 5) = Ax^2 + Bx^2 + Cx + D, what is the value of A + B - C - D?
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Guest
Feb 16, 2021
0
836
2
Find the area of the circle, given the square has an area of 144 cm^2 (leave your answer in terms of π)
Find the area of the circle, given the square has an area of 144 cm^2 (leave your answer in terms of π)
A) 12π cm^2
B) 24π cm^2
C) 36π cm^2
D) 72π cm^2
E) 144π cm^2 <#>
read more ..
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Guest
Feb 16, 2021
0
893
1
help pls
If an average-sized man with a parachute jumps from an airplane, he will fall 12.5(0.2^t-1) +20t feet in t seconds. How long will it take him to fall 140 feet? (Round your answer to two decimal places.)
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Guest
Feb 16, 2021
0
793
1
What is the sum of the infinite geometric series?
What is the sum of the infinite geometric series?
120+40+40/3+40/9+...
a.136
read more ..
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Guest
Feb 16, 2021
-1
360
1
+1679
geometric sequence
The 4th term of a geometric sequence is 18, and the 10th term is 162. What is the 7th term?
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wiseowl
Feb 16, 2021
0
326
1
function
Let
p(x) = x - 2y
What is p(p(1,-1),p(-5,-2))?
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Guest
Feb 16, 2021
+4
441
2
+379
Hello I need some help
How many points of intersection are there between the graphs of the following equations:
y =|2x + 5|
y = -|3x - 2|
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calvinbun
Feb 16, 2021
0
231
0
Pre Calc Question - Conversion of polar to rectangular equations
Hi!
I've been given the problem r=sec(theta) * csc(theta)
read more ..
Guest
Feb 16, 2021
-1
381
1
+1679
geometric sequence
Find the 7th term of sqrt(2), sqrt(10), 5*sqrt(2), ...
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wiseowl
Feb 16, 2021
0
579
2
can anyone help?
Given that the polynomial $x^2-kx+16$ has only positive integer roots, find the average of all distinct possibilities for $k$.
Thank you! :DDDD
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Guest
Feb 16, 2021
+3
433
2
+379
Help! Thank you.
Given that x<5 , rewrite 5x - |x - 5| without using absolute value signs.
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calvinbun
Feb 16, 2021
0
751
2
Say that the shaded in plane is the plane , and the polar grid we drew...
Say that the shaded in plane is the plane
, and the polar grid we drew on it is our usual polar grid, with concentric circles that
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Guest
Feb 16, 2021
0
234
0
line question
Write an equation parallel to the line determined by the points (15, -6) and (-3, 13), through: (4, 2)
Guest
Feb 16, 2021
+1
938
1
Consider a particle following the parametric equations...
Consider a particle following the parametric equations
What is
read more ..
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Guest
Feb 16, 2021
0
365
1
Help
A large community college has professors and lecturers. The total number of faculty members is 136. The school reported that they have 6 professors for every 11 lecturers.
How many professors does the community college employ?
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Guest
Feb 16, 2021
0
475
2
Find the value of x
Find the value of x.
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Guest
Feb 16, 2021
0
321
2
sequence
A sequence of positive real numbers a_1, a_2, a_3... has the property that for i>=2, each a_i is equal to the sum of all the previous terms. If a_19=91, then what is a_20?
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Guest
Feb 16, 2021
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