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229743 Questions
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238
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help asap!!!!
While snowstorms in Middle Town, USA routinely leave up to 5 feet of snow on the ground, the first winter snowstorm deposits, on average, 18.7 inches of snow. According to the public works department, the snow removal rate is directly proportional to the
read more ..
Guest
Dec 11, 2021
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185
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A sequence problem!
Here's the problem: https://ibb.co/SnXmswb (image added by Melody)
Guest
Dec 11, 2021
Dec 10, 2021
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294
3
please help asap
solve for n
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Guest
Dec 10, 2021
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331
4
please help asap
Five cards are drawn from a standard deck of cards and arranged in a row from left to right in the order
in which they are drawn. Determine the likelihood that an arrangement contains face cards only.
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Guest
Dec 10, 2021
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301
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Functions
The function f(x) = ax^r satisfies f(2) = 1 and f(32) = 16. Find r.
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Guest
Dec 10, 2021
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284
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Algebra
If sqrt(2*sqrt(2 - t)) = 7 - t, then find t.
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Guest
Dec 10, 2021
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186
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Number Theory
Let n be a positive integer and let k be the number of positive integers less than 2^n that are invertible modulo 2^n. If 2^n = 5 (mod 15), then what is the remainder when k is divided by 15?
Guest
Dec 10, 2021
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299
1
help
While snowstorms in Middle Town, USA routinely leave up to 5 feet of snow on the ground, the first winter snowstorm deposits, on average, 18.7 inches of snow. According to the public works department, the snow removal rate is directly proportional to the
read more ..
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Guest
Dec 10, 2021
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204
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help math
Let f(n) be the base-10 logarithm of the product of the elements of the nth row in Pascal's triangle. Find f(10),
Guest
Dec 10, 2021
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690
1
A 5-digit PIN number is selected. What it the probability that there are no repeated digits
A 5-digit PIN number is selected. What it the probability that there are no repeated digits
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Guest
Dec 10, 2021
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290
2
Math
A video game, a puzzle, and a ball together cost $46. The video game costs $29. The puzzle costs $16 less than the video game. How much more does the puzzle cost than the ball?
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Guest
Dec 10, 2021
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298
1
Probability
We roll a fair 6-sided die 5 times. What is the probability that we get an odd number in exactly 4 of the 5 rolls?
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Guest
Dec 10, 2021
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175
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Algebra
Let be the set S of all real numbers $\alpha$ such that the function
\[\frac{x^2 + 5x - \alpha}{x^2 - 7x - 44}\]
can be expressed as a quotient of two linear functions. What is the sum of the elements of S?
Guest
Dec 10, 2021
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181
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help Algebra
If x + y = 9 and xy = 10 - x^2 - y^2, what is the value of x^3 + y^3?
Guest
Dec 10, 2021
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180
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Graphing question
Below is a portion of the graph of a function, y=h(x):
read more ..
Guest
Dec 10, 2021
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224
1
Geometry
In triangle ABC, the angles A, B, C form an arithmetic sequence. if A = 17 degrees, then what is angle C, in degrees?
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Guest
Dec 10, 2021
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219
1
Geometry
Point D is the midpoint of median AM of triangle ABC. Point E is the midpoint of AB, and point T is the intersection of BD and ME. Find the area of triangle DMT is $[ABC] = 160$.
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Guest
Dec 10, 2021
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317
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help!!!
In the diagram below of triangle EFGEFG, HH is the midpoint of \overline{EG}EG and II is the midpoint of \overline{FG}FG . If m\angle GFE=129-9x∠GFE=129−9x, and m\angle GIH=4x+12∠GIH=4x+12, what is the measure
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Guest
Dec 10, 2021
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163
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Inverse Functions
If h(y) = (1 + y)/(2 + y), then what is the value of $h^{-1}(5)$? Express your answer in simplest form.
Guest
Dec 10, 2021
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172
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Domain question
Let f(x) = x^2 + 2x + 5. If the domain of f is all real numbers, then f does not have an inverse function, but if we restrict the domain of f to an interval [c,\infty), then f may have an inverse function. What is the smallest value of c we can use here,
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Guest
Dec 10, 2021
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189
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Algebra
Let and be nonzero complex numbers such that
a = (b+c)/(x-2)
b = (c+a)/(y-2)
c = (a+b)/(z-2)
xy + yx + xz = 67
read more ..
Guest
Dec 10, 2021
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241
1
Help quickly!!!
r and s are the roots of 3x^2 + 4x - 12 = 0. What is r^2+s^2????
HELP!!
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Guest
Dec 10, 2021
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228
1
how do you write 9 6 as an mixd fraction
ho do you write 9 6 as an mixd fraction
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Guest
Dec 10, 2021
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