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All Questions
^{+0}
215359 Questions
0
26
1
quadratic
Ben is climbing a tree with a lot of branches. His height off the ground at time t is 2t^2+8t+29 feet. To the nearest foot, what will his minimum height be?
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Guest
Jun 23, 2022
0
37
1
PRECAL HELP
Let alpha and beta be angles such that P is the terminal point for alpha and Q is the terminal point for beta, and let R,S,T,U be the same as above:
read more ..
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Guest
Jun 23, 2022
0
28
1
help number theory
Find the number of positive integers n <= 1000 such that 15n is a perfect square
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Guest
Jun 23, 2022
+1
56
2
+204
if a is real and the product of (a+6i)(5-31) is a real number, then find a
if a is real and the product of (a+6i)(5-31) is a real number, then find a
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Blizzardshine
Jun 23, 2022
0
35
1
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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Guest
Jun 23, 2022
0
53
2
+4
How many 3-digit numbers have the property that the units digit is at least twice the tens digit?
How many 3-digit numbers have the property that the units digit is at least twice the tens digit?
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hg0428
Jun 23, 2022
0
41
1
help polynomial
If (x + 2)(3x^2 + x + 5) = Ax^2 + Bx^2 + Cx + D, what is the value of A + B - C - D?
CubeyThePenguin
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Guest
Jun 23, 2022
0
40
2
HELP PLEASE VERY URGENT
Some perfect squares (such as 121) have a digit sum $(1 + 2 + 1 = 4)$ that is equal to the square of the digit sum of their square root $(\sqrt{121}=11$, and $(1 + 1)^2 = 4)$. What is the smallest perfect square greater than 100 that does not have this
read more ..
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Guest
Jun 23, 2022
0
35
2
Coordinates
The line y = (3x + 7)/2 intersects the circle x^2 + y^2 = 25 at A and B. Find the length of chord AB.
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Guest
Jun 23, 2022
0
34
1
Range
The range of the function g(x) = 2/(2 + 4x + 3x^2) can be written as an interval (a,b]. What is a+b?
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Guest
Jun 23, 2022
0
35
1
Conic sections
Determine if the graph of the equation below is a parabola, circle, ellipse, hyperbola, point, line, two lines, or empty. Enter the most specific answer.
y^2 - x +5y - 25 = x^2 - 6x + 1
read more ..
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Guest
Jun 23, 2022
0
31
1
piecewise function
Let
f(x) = 2 - x^2 if x <= 1
f(x) = 2x - x^3 if x > 1
read more ..
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Guest
Jun 23, 2022
0
36
1
Function
Let
f(z) = z^2 if z is not real
f(z) = -z^2 if z is real
read more ..
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Guest
Jun 23, 2022
0
35
1
solve for x
12(9-3x)+2x=516
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Guest
Jun 23, 2022
0
42
1
(-3,6) and (5,6)
find the equation of the line that passes through the points (-3,6) and (5,6)
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Guest
Jun 23, 2022
0
33
1
value of x
2x+5+3x=25
BuilderBoi
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Guest
Jun 23, 2022
0
39
1
Angles
The exterior angles of a triangle are in the ratio . What is the measure (in degrees) of the least interior angle of the triangle?
BuilderBoi
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Guest
Jun 23, 2022
0
31
1
quadratic
Find the product of all positive integer values of c such that 3x^2 + 17x + c has two real roots.
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Guest
Jun 23, 2022
0
49
2
exponents
What is the value of 4^(10)*8^(20)*16^(30)? Express your answer in the form a^b, where a and b are positive integers such that a is the least possible positive integer.
Melody
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Guest
Jun 23, 2022
0
32
1
rates
Three printing presses, R, S, and T, working together at their respective constant rates, can do a certain printing job in 4 hours. S and T, working together at their respective constant rates, can do the same job in 5 hours. How many hours would it take
read more ..
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Guest
Jun 23, 2022
0
45
3
Domain
What is the sum of all values of y for which the expression (y + 6)/(y^2 - 5y + 4 + y^2 - y - 8) is undefined?
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Guest
Jun 23, 2022
0
27
0
Function
If
f(x) = x^2 - 5 if x >= -4
f(x) = 3x + 20 if x < 4
then for how many values of x is f(f(x)) = 5
read more ..
Guest
Jun 23, 2022
+1
57
2
+91
help asap
Let n be the least positive integer greater than 2021 such that
(n+2)/3,(3n+4)/5,(4n+5)/9
are all integers. Find the sum of n's digits.
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Derekshackk
Jun 23, 2022
0
35
1
Graphing
The graphs of y=3-x^2+x^3 and y=1+3x-2x^2+x^3 intersect in multiple points. Find the maximum difference between the y-coordinates of these intersection points.
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Guest
Jun 23, 2022
0
26
0
Domain
What is the domain of the function f(x) = (x + 6)/sqrt(x^2 - 3x)?
Guest
Jun 23, 2022
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