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237827 Questions
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283
1
Gabriella drives her car 400 miles and averages a certain speed. If the average speed had been 8mph less, she could have traveled only 350mi
Gabriella drives her car 400 miles and averages a certain speed. If the average speed had been 8mph less, she could have traveled only 350miles in the same length of time. What is her average speed?
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Guest
Oct 16, 2022
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228
1
Algebra
Assuming that p \neq 0 and q \neq 0, simplify pq^3^3 4p^2q^2 2pq^2^3
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Guest
Oct 16, 2022
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230
1
Question
Compute ,where each argument is greater than the previous one by 90 degrees.
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Guest
Oct 16, 2022
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225
1
help
For all real numbers x except x=0 and x=1 the function f is defined by f(x/x-1)=1/x. Suppose 0<=t<=pi/2. Given that f(Sec^2t)=(g(t))^2 for some trigonometric function g, find g.
Enter your answer as one of the six options: sin,
read more ..
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Guest
Oct 16, 2022
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236
1
triangles
Let ABC be a triangle, and let its angle bisectors be AD, BE, and CF, which intersect at I. If DI = 3, BD = 4, and BI = 8, then find the area of triangle ABC.
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Guest
Oct 16, 2022
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185
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Algebra
Compute the sum 3+8+13+...293+298+303+ .... +408+413+418.
Guest
Oct 16, 2022
0
228
2
+70
help
How many distinct unit cubes are there with two faces painted red, two faces painted green and two faces painted blue? Two unit cubes are considered distinct if one unit cube cannot be obtained by rotating the other.
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Hamburger
Oct 16, 2022
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257
1
Algebra
Find all real numbers a that satisfy
1/(a^3 + 7) - 7 = -a^3/(a^3 + 7) + 5.
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Guest
Oct 16, 2022
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187
0
Graphing
What is the smallest distance between the origin and a point on the graph of y = \frac{1}{\sqrt{2}} (x^2 - 13)
Guest
Oct 16, 2022
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260
1
Integer
For how many integer values of M is M/30 strictly between 1/3 and 5/3?
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Guest
Oct 16, 2022
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185
0
Domain
What is the domain of the real-valued function f(x) = (2x - 7)/sqrt(x^2 - 7x + 6)?
Guest
Oct 16, 2022
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193
0
linear system
The real numbers x, y and z satisfy the equations x + 2y + 3z = 950 and 3x + y = 1450 and 2y + z = 1880. What is the average of x, y and z
Guest
Oct 16, 2022
0
228
1
graphing question
Below is a portion of the graph of a function, y=h(x):
If the graph of y=h(x-3) is drawn on the same set of axes as the graph above, then the two graphs intersect at one point. What is that point?
Enter your answer as an ordered pair.
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Guest
Oct 16, 2022
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299
3
Help Please Asap
Tina lives 30 miles away from her work, and she normally drives at 45 miles per hour. If she wants to get to work 10 minutes earlier, how fast should she drive to work, in miles per hour?
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Guest
Oct 16, 2022
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202
0
helppppp
Guest
Oct 16, 2022
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274
2
help pls
Could someone point me in the right direction? Thanks!
If x is an angle such that tan x + sec x = 2, then evaluate cos x.
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Guest
Oct 16, 2022
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246
1
question
Compute where each argument is greater than the previous one by 90 degrees.
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Guest
Oct 16, 2022
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190
0
Algebra
Let a and b be the roots of the quadratic x^2 - 5x + 3 = 2x^2 - 7x + 11. Find the quadratic whose roots are a^4 and b^4.
Guest
Oct 16, 2022
0
201
0
parabolas
The graph of y = f(x) is a parabola whose vertex is at (1, -2). The graph of y = f(2x - 3) is also a parabola. Where is the vertex of the graph of y = f(2x-3)?
Guest
Oct 16, 2022
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188
0
Rationalize
Simplify and rationalize the denominator: 1/(1 + 1/(sqrt(3) + 2)).
Guest
Oct 16, 2022
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232
1
Function
For any real number k, the graph of y = 7x^2 + kx - 4k + kx^2 - 5x + 6k passes through a fixed point (a,b). Find (a,b).
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Guest
Oct 16, 2022
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229
1
Piecewise function
Let
f(x) = x/2 + 1 if x <= 1
f(x) = 7 - 3x if x > 1
read more ..
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Guest
Oct 16, 2022
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215
1
Algebra
If a + b = 7 and a^3 + b^3 = 45, what is the value of the sum 1/a + 1/b? Express your answer as a common fraction.
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Guest
Oct 16, 2022
0
238
1
Algebra problem
Find all real numbers x such that (3x - 27)^3 + (27x - 3)^3 = (3x + 27x - 30).
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Guest
Oct 16, 2022
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