All Questions ⁺⁰211543 Questions

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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

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150

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+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)
read more ..

Straight Oct 13, 2021

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141

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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?

Guest Oct 13, 2021

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157

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y=sinx*xin(x+pi/3)

이 식의 가장 큰 값과 가장 작은 값이 무엇인지 궁금하다

Guest Oct 13, 2021

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165

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cos(2x)-5cos(x)+3=0

이 식에서 x의 해를 구해야 합니다.
x>=0
x=<2pi

Guest Oct 13, 2021

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80

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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).) read more ..

Guest Oct 13, 2021

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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 read more ..

Guest Oct 13, 2021

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144

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Domain

What real values of x are not in the domain of $f(x) = \frac{1}{|x^2 + 3x - 4| + |x^2 + 9x - 10|}$?

Guest Oct 13, 2021

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149

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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

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127

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help plz

How many of the natural numbers from 1 to 800, inclusive, contain the digit 6 at least once?

Guest Oct 13, 2021

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140

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Algebra

Find all solutions to 7*cuberoot(x) = x + 8.

Guest Oct 13, 2021

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73

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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

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157

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please answer this question

Define $f(x) = \frac{x^2 + 2x + 3}{x}$ and $g(x) = x^3 + 2$. Evaluate $g(f(x))$ when $x = -3$.

Guest Oct 13, 2021

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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)?

Guest Oct 13, 2021

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176

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+333

Please help

Find the total number of four-digit palindromes that are multiples of 4.

Rayjplayz Oct 13, 2021

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147

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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?

Guest Oct 13, 2021

Oct 12, 2021

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129

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Algebra

Find positive integers (a,b) so that sqrt(37 + 20*sqrt3 + 66) = a + b*sqrt3. Answer in the form of "a, b".

Guest Oct 12, 2021

+1

195

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+84

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?

vxnessa Oct 12, 2021

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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?

Guest Oct 12, 2021

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145

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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?

Guest Oct 12, 2021

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156

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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 read more ..

Guest Oct 12, 2021

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+84

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 read more ..

vxnessa Oct 12, 2021

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148

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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?

Guest Oct 12, 2021

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