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Post New Question
All Questions
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234773 Questions
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835
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+612
Help please
Let r and s be the roots of y^2-19y+7. Find (r-2)(s-2)
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gueesstt
Apr 9, 2018
0
1475
3
+612
Help!
Find the largest prime factor of 451^2- 137^2 without using a calculator.
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gueesstt
Apr 9, 2018
0
1413
3
+1904
A calculus problem
Estimate the instantaneous rate of change for the function f(x)=e^x at x=0, then use this to find an equation for the tangent line. Check your answer by graphing the function and it's tangent line in Desmos. Print out and attach a copy of your
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gibsonj338
Apr 9, 2018
0
745
2
PERMUTATIONS
how many arrangements are there of the letters COMMITTEE where none of the vowels are next to eachother? Thank you!
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Guest
Apr 9, 2018
+1
1791
3
+753
Help! Thanks :)!
For each part of this problem, convert the fraction to a "decimal" in the specified base.
(a) What is 1/2 in base 3?
(b) What is 1/7 in base 8?
(c) What is 1/(b-1) in base b?
Thanks!
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MIRB16
Apr 9, 2018
0
2396
1
Two Quick Questions-I've Tried Already-Just A Little Stuck On Finding Series
Hello, I've tried these problems out already, I'm just a little stuck. I appreciate all your help. Thanks.
(Also, if you can explain how you came up with the answer, that would also be great so that I can learn), Thanks much.
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Guest
Apr 9, 2018
0
679
1
Quadratic inequality
What is the value of b+c, when x^2+bx+c > 0 only when x E (-infty, -2) U (3,infty)?
hectictar
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Guest
Apr 9, 2018
0
2142
1
Please help
Paula invests $\$10,\!000$ at the start of a 5 year period at an interest rate of $10\%$. At the end of those 5 years, how much is her investment worth if the interest is compounded quarterly? Express your answer as a dollar value rounded to the nearest
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Guest
Apr 9, 2018
Apr 8, 2018
0
1950
1
From the diagram below, find the positive difference in the x-coordinates when lines l and m reach y = 15.
From the diagram below, find the positive difference in the x-coordinates when lines l and m reach y = 15.
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Guest
Apr 8, 2018
0
1212
1
Help
Four years ago you invested some money at $10\%$ interest. You now have $\$439.23$ in the account. If the interest was compounded yearly, how much did you invest 4 years ago?
Given that $f(x) = (\sqrt 5)^x$, what is the range of $f(x)$
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Guest
Apr 8, 2018
0
1522
1
Help asap
Suppose $p(x)$ is a function such that $p(x) + (x^5+3x^3+9x) = (7x^3+24x^2+25x+1)$. Express $p(x)$ as a polynomial with the degrees of the terms in decreasing order.
hectictar
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Guest
Apr 8, 2018
0
807
1
Parallel and perpendicular slopes?
Given this pair of slopes, what is the value of n if the lines are parallel? What is the value of n if the lines are perpendicular?
,
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Guest
Apr 8, 2018
+1
1552
1
Compound interest
A man nearing retirement wants to invest some money in a fund that compounds annually at a rate of 6 percent, so that in five years, he will have at least $100,000. How much money must he invest now to make that happen? (Give your answer to the nearest
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Guest
Apr 8, 2018
+1
2679
2
Help!
1. Given that $f(x) = (\sqrt 5)^x$, what is the range of $f(x)$ on the interval $[0, \infty)$?
2. When Lauren was born on January 1, 1990, her grandparents put $\$1000$ in a savings account in her name. The account earned $7.5\%$ annual
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Guest
Apr 8, 2018
0
708
2
Algbra 2 question
I cannot figure out how to solve and graph this problem. You are desiginnig a parabolic dish to use for cooking on a camping trip. You plan to make the dish 60cm wide and 30cm deep. Where should you locate the cooking grill so that all of the light that
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Guest
Apr 8, 2018
0
756
4
Thelma's investments
Thelma invested $50,000 in 3 different investments at 6%, 7%, 9%. She invested $20,000 more in 9% than in 6%. If at the end of one year she received interest of $3,970 on her investments, how much did she invest in each of her 3 investments? Thank you for
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Guest
Apr 8, 2018
+1
876
2
+9
find a quadratic polynomial p(x) such thath p(2)=0
find a quadratic polynomial p(x) such thath p(2)=0
the title says it all
pls help
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Sirio
Apr 8, 2018
0
609
1
Question on 'Factorific'
The numbers are written down and some of them are colored blue. A coloring is called factorific if there is at least one blue number, and for each blue number, all of its divisors are also blue.
If Grogg randomly colors some, all,
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Guest
Apr 8, 2018
Apr 7, 2018
0
1
1130
2
+101
Some more hyperbola Ebola
Hyperbola ebola has struck me again! The only cure is an explanation of ths Hyperbola question with steps on how it is done!
find the:
center
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dom6547
Apr 7, 2018
0
861
5
+1452
Help with concept please!
I'm not sure where to start with this problem:
In triangle ABC, the medians line AD, line BE, and line CF concur at the centroid G.
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AnonymousConfusedGuy
Apr 7, 2018
0
519
1
Mod Math
What is the smallest positive N that will satisfy the following modular equation?
25,111^N mod 31 = 1. Thank you for help.
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Guest
Apr 7, 2018
-5
826
1
+73
A pine cone falls from a tree branch that is 144 feet above the ground. Please Help!
A pine cone falls from a tree branch that is 144 feet above the ground. After how many seconds does the pine cone land on the ground?
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GAMEMASTERX40
Apr 7, 2018
+1
1214
2
+753
Help Again! :)
Find the largest prime number (in decimal form) that divides the sum,
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MIRB16
Apr 7, 2018
-4
1204
1
+73
The shape of an entrance to a tunnel can be modeled by the graph.
The shape of an entrance to a tunnel can be modeled by the graph of the equation y = -0.2x(x - 20) where x and y are measured in feet. On a coordinate plane, the ground is represented by the x-axis. How wide is the tunnel at its base? Explain how you
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GAMEMASTERX40
Apr 7, 2018
+1
848
1
+753
I need help :)
Suppose that a and b are digits in base d > 6 such that
. Find a_d - b_d in base d. thanks!
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MIRB16
Apr 7, 2018
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