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Post New Question
All Questions
+0
230446 Questions
0
419
1
linear inequality
Help me with linear inequality
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Guest
Sep 10, 2020
0
502
3
+77
Help! This is due today
Helppls Find all x that satisfies that.
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Jonjon
Sep 10, 2020
0
254
0
math homework
A fair four-sided die has faces number 1 through 4. The die is rolled 4 times. What is the probability that each roll after the first is greater than or equal to the roll before it? Express your answer as a common fraction.
Guest
Sep 10, 2020
0
484
1
probability
Twenty thousand raffle tickets are sold. One first of $1000, two second prizes of $750, and three third prizes of $200 each will be awarded, with all winners selected randomly. If you purchased one ticket, what are your expected gross winnings?
read more ..
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Guest
Sep 10, 2020
0
340
1
help urgent pls fast
In how many positive four-digit integers that are not multiples of $1111$ do the digits form an arithmetic sequence? (The digits must form an arithmetic sequence, in order. For example, the number 5137 does not count.)
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Guest
Sep 10, 2020
0
402
1
+216
Math Help Please!!
On Monday at work, David produces widgets per hour, and works for hours. Exhausted by this work, on Tuesday, he decides to work for 2 fewer hours, but manages to produce 4 additional widgets per hour. If , how many more
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Jmaster10
Sep 10, 2020
0
493
1
LA HELP even thought this is a math site
What word is created by adding the Old English suffix -less to the word speech?
A.a noun meaning "the act of speaking"
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off-topic
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Guest
Sep 10, 2020
0
548
1
Physics
The “extreme” prefixes that are officially recognized are yocto, which indicates a
fraction equal to 10-24, and yotta, which indicates a factor equal to 1024. The
maximum distance from Earth to the sun is 152 100 000 km. Express this distance
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Guest
Sep 10, 2020
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260
0
need help
Which function is graphed?
Guest
Sep 10, 2020
0
499
1
geometry questions
I have to find angles x and y in these problems. Please help!
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Guest
Sep 10, 2020
0
429
2
aaaaa
Let $n$ be a positive integer greater than or equal to $3$. Let $a,b$ be integers such that $ab$ is invertible modulo $n$ and $(ab)^{-1}\equiv 2\pmod n$. Given $a+b$ is invertible, what is the remainder when $(a+b)^{-1}(a^{-1}+b^{-1})$ is divided by $n$?
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Guest
Sep 10, 2020
0
468
1
help please
I have no idea how to solve this: A man standing on a lighthouse of height 162 ft sights two boats directly in front of him. One is at an angle of depression of 50°, and the other is at an angle of depression of 45°. Identify the distance between the two
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Guest
Sep 10, 2020
0
552
2
idk it
Explain how to use a graph of the function f(x) to find f(3).
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Guest
Sep 10, 2020
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1852
1
A gas station charged $2.20 for each gallon of gasoline. Harry paid $12.10 for gasoline. How many gallons of gasoline did Harry buy?
A gas station charged $2.20 for each gallon of gasoline. Harry paid $12.10 for gasoline. How many gallons of gasoline did Harry buy?
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Guest
Sep 10, 2020
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492
1
i need help
Find angle 2 for each part.
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Guest
Sep 10, 2020
0
562
1
what is sqrt(12938*210938+12938=
what is sqrt(12938*210938+12938=
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Guest
Sep 10, 2020
0
414
1
How long will it take an investment of 1000 euros to double if it is compounded continuously and earns an annual rate of 7.5%?
How long will it take an investment of 1000 euros to double if it is compounded continuously and earns an annual rate of 7.5%?
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Guest
Sep 10, 2020
0
393
1
algebra
Two numbers have a sum of 7 and a product of 4. What are the two numbers?
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Guest
Sep 10, 2020
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411
1
using trig
In ABCD, the measure of angle C.
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Guest
Sep 10, 2020
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324
0
coordinate geometry
Find the area of polygon QRST formed by the coordinates given below.
Q = (4,-2)
R = (5,7)
S = (-2,8)
T = (-1,-3)
Guest
Sep 10, 2020
0
6
1164
2
A firecracker tossed into the air
A firecracker tossed into the air at 600 with the horizontal at a speed of 30 m/s exploded 15 m away. How long was the firecracker in the air before it exploded? How high did it go?
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Guest
Sep 10, 2020
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1190
1
A child sits at a merry-go-round in an amusement park.
A child sits at a distance of 3 m from the axis of a merry-go-round in an amusement park. If the merry-go-round makes 2rev in 5s, find the (a) tangential speed (b) centripetal acceleration of the child.
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Guest
Sep 10, 2020
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533
1
please help
If PR=40, what are PQ and RQ
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Guest
Sep 10, 2020
0
646
2
Confusing question pls give answer and explanation.
Given f(x) = frac{2x-3}{x+1}, find the value of a such that f(3a-2) = 1.
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Guest
Sep 10, 2020
0
500
2
need help
Plz help I can't figure out how to do this
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Guest
Sep 10, 2020
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