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Earn +20 ptsQ: WHAT IS 80X 8?
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Continue Learning about Math & Arithmetic
How do you do 8-10x squared?
18
What is the sequence in 0.05 0.4 3.2 25.6?
80x Each member is 8 (not 80) times the previous one.
What is the square root of 10X multiplied by the square root of 8X?
√(10x) * √(8x) = √(80x²)√(80x²) = √(16x²) * √(5) = 4x*√(5)■
What is x plus 3.0 equals 80x plus 4.0?
It's an equation. If you're looking for the value of x, you can solve it like this: x + 3 = 80x + 4 x = 80x + 1 -79x = 1 x = -1/79
What is the point of contact when the tangent line y equals 20 -2x touches the curve x squared plus y squared equals 80?
If: y = 20 -x and x^2 +y^2 = 80 Then: x^2 +(20-x)^2 = 80 Multiplying out the brackets: x^2 +400 -80x +4x^2 = 80 Transposing terms: 5x^2 +320 -80x = 0 Divide all terms by five: x^2 +64 -16x = 0 Factorizing: (x-8)(x-8) = 0 => x = 8 and x = 8 By substitution point of contact is at: (8, 4)
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