13. A ball is thrown upward from the ground with a speed of 40ft/sec; at the same instant another ball is dropped (from rest) from a height of 100ft. Show that they strike the ground at the same time. 14. Given the parametric equation below determine the total velocity and acceleration at t= 2 x(t) = VET -+t and y(t) = t - 2T +3 15. Find two numbers whose sum is a, if the product of one by the cube of the other is to be maximum.
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.
Answer number 14
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