-3n is negative when the value of n is positive. When the value of n is negative, the value of -3n is positive. Remember that when multiplying a positive and a negative, the product will be negative. If you are multiplying two numbers with the same sign, the product will be positive.
Hypothenus = sqrt ((x^2 - y^2)^2 + (2xy)^2) = sqrt(x^4 - 2x^2y^2 + y^4 + 4x^2y^2) = sqrt(x^4 + 2x^2y^2 + y^4) = sqrt(x^2 + y^2)^2 = x^2 + y^2
Answer:
add the numbers and divide by how many numbers there are, thats how you find the mean
Step-by-step explanation:
Answer:
the price went up 44.44%
Step-by-step explanation:
200÷450×100
I think it’s 25???? i tried haha