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Post New Question
All Questions
+0
230470 Questions
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322
1
8th Grade Math
I have 30 nickels and 10 quarters. The average value of these coins is
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Guest
Sep 6, 2021
0
312
2
help plz
Aman , Amit and Ajay together finish a certain work in 4 days . If Aman alone can finish it in 8 days and Amit can finish it in 20 days , find how long will Ajay take to finish the work alone ?
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Guest
Sep 6, 2021
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225
1
geometry
A person stands 6 feet tall. The distance from the top of their head to the end of their
shadow on the ground is 10 feet. How long is their shadow? Round to the nearest
tenths where necessary.
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Guest
Sep 6, 2021
0
299
4
Algebra
Let f(x) = x^2 + 2x. Find all real numbers x such that f(x) = f(f(x)).
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Guest
Sep 6, 2021
0
223
1
Trapezoid
As shown in the diagram, PQ is the median of trapezoid ABCD where AB = 25 inches and CD = 32 inches. Find XY in inches.
read more ..
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Guest
Sep 6, 2021
0
292
1
Polynomial
If f(x) = -7x^7 + 3x^3 + x - 5, and g(x) is a polynomial such that the degree of f(x) + g(x) is 5, then what is the degree of g(x)?
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Guest
Sep 6, 2021
0
290
1
help algebra
What number goes in the question mark so that the quadratic is the square of a binomial? 9x^2 +6x+ x^2 + 4x + ?
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Guest
Sep 6, 2021
0
255
1
Number Theory
What is the sum of the final three digits of the integer representation of 58^{100}?
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Guest
Sep 6, 2021
0
195
0
Help Number Theory
The proper divisors of 12 are 1, 2, 3, 4 and 6. A proper divisor of an integer N is a positive divisor of N that is less than N. What is the sum of the proper divisors of the sum of the proper divisors of 280?
Guest
Sep 6, 2021
0
293
1
help pls due tommorow
Write an equation that show the total amount of income the salesperson, if he sells x number of machines.
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Guest
Sep 6, 2021
0
307
1
Please help me on this question
One root of a quadratic is 2 + 3i√3. If we know nothing about the coefficients of the quadratic, can we determine anything about the other root of the quadratic?
Please help and have a great day
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Guest
Sep 6, 2021
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530
2
+106
An infinite geometric series has common ratio $-1/5$ and sum $16.$ What is the first term of the series?
An infinite geometric series has common ratio and sum What is the first term of the series?
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QuestionableBean
Sep 6, 2021
0
319
0
+75
Suppose h, f, and g are functions such that h(x)=f(g(x)). If (3,0) is the only x-intercept of the graph of g, then can we determine the x-in
Suppose h, f, and g are functions such that h(x)=f(g(x)). If (3,0) is the only x-intercept of the graph of g, then can we determine the x-intercepts or y-intercepts of h?
Destryox
Sep 6, 2021
0
218
1
Help ASAP
(-1)^2 x (-1)^3 x ... x (-1)^6
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Guest
Sep 6, 2021
0
227
1
help plz
The numbers between 1 and 2011 are written on a piece of paper. Logan circles the even numbers with red
circles and Miranda circles the multiples of 7 with blue circles. How many numbers are circled with only one
color?
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Guest
Sep 6, 2021
0
317
1
Algebra
John and Jane go rock-climbing together. John climbs a height of (x+5) miles in (x-1) hours and Jane climbs a height of (x+11) miles in (x+2) hours. Is it possible that they were climbing at the same speed? If so, what must have been their speed, in miles
read more ..
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Guest
Sep 6, 2021
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287
1
help interest
When Maria was born, her parents set up a savings account for her with $1000. The account pays 5% annual interest and it is compounded quarterly? How much money will Maria have when she turns 18. Round your answer to the nearest whole number.
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Guest
Sep 6, 2021
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213
1
Number Theory
What is the greatest prime factor of 12! + 13!?
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Guest
Sep 6, 2021
0
299
1
help with proportion
The values of x and y are always positive, and x^2 and y vary inversely. If y is 10 when x is 2, then find x when y is 4000.
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Guest
Sep 6, 2021
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183
0
help algebra
Given that
1/x + 1/y = 3,
xy = 4
read more ..
Guest
Sep 6, 2021
0
306
1
Sequence
If the first term of an arithmetic sequence equals the second term minus the third, and the fourth term is 8, what is the first term?
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Guest
Sep 6, 2021
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329
1
math
how to convert 3.6 times 10^3
3.6 time 10^3 - 6.3 times 10^2 step by step
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Guest
Sep 6, 2021
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214
0
Probability
A bag contains 3 red balls, 4 green balls, and 5 yellow balls. If balls are drawn one at a time without replacement, what is the probability that the first yellow ball is drawn on the second draw? Express your answer as a common fraction.
Guest
Sep 6, 2021
0
336
1
Number Theory
How many integers n satisfy 0 < n < 60 and 4n=6 (mod 7)
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Guest
Sep 6, 2021
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