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216142 Questions
0
137
0
Find the value on Aug 10,1990 if the amount on Dec 13,1990 is P5,750.38 at 5% simple interest.
Find the value on Aug 10,1990 if the amount on Dec 13,1990 is P5,750.38 at 5%
simple interest.
Guest
Oct 13, 2021
0
199
0
+675
Solve this task!
Solve this task!
(It comes from the 60th Mathematical Olympiad 2020 from classes 12-13 with solutions...it is a book)
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Straight
Oct 13, 2021
0
189
2
Plz help SOS!!!
Yacob wants to buy some chocolates for his friends. If he spends $5 on each
friend, he will have $20 left. If he spends $7 on each friend, he will have $4 left.
How much money does Yacob have?
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Guest
Oct 13, 2021
0
212
1
y=sinx*xin(x+pi/3)
이 식의 가장 큰 값과 가장 작은 값이 무엇인지 궁금하다
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Guest
Oct 13, 2021
0
229
3
cos(2x)-5cos(x)+3=0
이 식에서 x의 해를 구해야 합니다.
x>=0
x=<2pi
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Guest
Oct 13, 2021
0
106
0
Calculus 30
Write the composite function in the form f(g(x)). [Identify the inner function u = g(x) and the outer function y = f(u).] (Use non-identity functions for f(u) and g(x).)
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Guest
Oct 13, 2021
0
97
0
help Algebra
An Ariline currently charges 200 dollars per ticket and sells 40,000 tickets a week. For every 10 dollars they increase the ticket price, they sell 400 fewer tickets a week. How many dollars should they charge to maximize their total
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Guest
Oct 13, 2021
0
199
1
Domain
What real values of x are not in the domain of $f(x) = \frac{1}{|x^2 + 3x - 4| + |x^2 + 9x - 10|}$?
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Guest
Oct 13, 2021
0
204
1
geometry
A sheet of 8-inch by 10-inch paper is placed on top of a sheet of $9 \frac{1}{2}$-inch by 12-inch paper, as shown. What is the area of the region of overlap in square inches?
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Guest
Oct 13, 2021
0
166
1
help plz
How many of the natural numbers from 1 to 800, inclusive, contain the digit 6 at least once?
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Guest
Oct 13, 2021
0
187
1
Algebra
Find all solutions to 7*cuberoot(x) = x + 8.
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Guest
Oct 13, 2021
0
100
0
quadratics
When the expression -2x^2 - 20x - 53 + 14x + 17 is written in the form a(x + d)^2 + e, where a, d, and e are constants, then what is the sum a + d + e?
Guest
Oct 13, 2021
0
213
3
please answer this question
Define $f(x) = \frac{x^2 + 2x + 3}{x}$ and $g(x) = x^3 + 2$. Evaluate $g(f(x))$ when $x = -3$.
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Guest
Oct 13, 2021
0
146
1
Inverse Functions
Let f(x)=3x+4 and g(x)=2x+3. If h(x)=f(g(x)), then what is the inverse of h(x)?
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Guest
Oct 13, 2021
0
235
2
+333
Please help
Find the total number of four-digit palindromes that are multiples of 4.
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Rayjplayz
Oct 13, 2021
0
190
1
Analytic Geometry
Line m has the equation y = 3x + 5. Line n has the equation y = kx - 7. Lines m and n intersect at the point (-4, -7). What is the value of k?
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Guest
Oct 13, 2021
Oct 12, 2021
0
171
1
Algebra
Find positive integers (a,b) so that sqrt(37 + 20*sqrt3 + 66) = a + b*sqrt3. Answer in the form of "a, b".
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Guest
Oct 12, 2021
+1
266
3
+93
if anyone could help out with this that would be great!
If I have 2 more sisters than brothers and each of my sisters also has 2 more sisters than brothers, how many more sisters than brothers does my oldest brother have?
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vxnessa
Oct 12, 2021
0
175
1
math problem
The positive five-digit integers that use each of the digits 1, 2, 3, 4 and 5 exactly once are ordered from least to greatest. What is the 60th integer in the list?
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Guest
Oct 12, 2021
0
197
3
help with ratio
The ratio of Mario's money to Luigi's money was 9:4 before Mario went to the store. After Mario spent $84 on jackets, the ratio became 1:2. How much money did Mario have at first?
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Guest
Oct 12, 2021
0
213
1
Multiplicative Inverse vs. Multiplicative Idendity
What is a multiplicative inverse? If you can answer that question, what is a Multiplicative Identity?
I was so mad that I couldn't do this myself for my math class. PLEASE HELP, I'M DESPRATE! Also, I
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Guest
Oct 12, 2021
0
166
0
+93
could anyone explain how to do this?
When calculating his income tax an accountant realized that his federal tax was 30% of his income after his provincial tax was paid, and that his provincial tax was 20% of his income after his federal tax was paid. If the accountant's income before taxes
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vxnessa
Oct 12, 2021
0
201
1
help algebra
Two liters of a 30% acid solution are mixed with three liters of a $80\%$ acid solution. What percent of the mixture is acid?
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Guest
Oct 12, 2021
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