(a) Kim stands at the top of a 285 metre tall skyscraper. From where they are standing, the angle of depression to their favourite restaurant is 9°. Further away in the same direction is their home, which is 4.086 km away from the point where Kim is standing. Draw a diagram representing this information and hence find the distance between Kim's home and favourite restaurant. (b) The formula for the average value of a function F over the interval a <¤< b is i) Find the average value of the function f(x) = -6x² + 16x + 28 on the interval 0 < a 0. Hint. Your answer will be a function of t.
Percentage
A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.
Algebraic Expressions
In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.
Numbers
Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.
Subtraction
Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.
Addition
Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.
can you do this with pen and paper so i can see working? thnx
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