20%x > x-10\(\Leftrightarrow\)\(\frac{1}{5}x< x-10\Leftrightarrow\frac{x}{5}-x< -10\Leftrightarrow\frac{-4x}{5}< -10\)\(\Rightarrow\)-4x < -50
\(\Rightarrow\)x>\(\frac{50}{4}\)=12.5
20%x > x-10\(\Leftrightarrow\)\(\frac{1}{5}x< x-10\Leftrightarrow\frac{x}{5}-x< -10\Leftrightarrow\frac{-4x}{5}< -10\)\(\Rightarrow\)-4x < -50
\(\Rightarrow\)x>\(\frac{50}{4}\)=12.5
1 How many triples of integers (a,b,c) are there such that
?
2
Let P = \(\frac{2x}{x+3}-\frac{x+1}{x-3}+\frac{3-11x}{9-x^2}\). Find the smallest integer x such that P is also an integer.
Find the value of k such that x3 + kx2 + (4 - k)x - 35 is divisible by x - 7.
Answer: k = ........
Given a set three integers greater than 1.
Let A be the number that's 1 less than the product of three given integers.
Let B be the product of numbers that're 1 less than three given integers.
Known that A is a multiple of B.
How many sets can you find.
A. 1
B. 2
C. 3
D. 4
Given that f(x)=x^4+ax^3+b is divisible by g(x)=x^2-1. Find a+b
Given three consecutive even natural numbers, which have the product of last two numbers is 80 greater than the product of first two numbers.
Find the largest number.
Given the equation (x - m)(m - 1) + (x - 1)(m + 1) = -2m.
Find all values of m such that this equation has no solution.
Answer: m = ...........
mọi người giúp minh nhé mình đang cần gấp Thanks trc