Simplify i 41 A) i B)-1 C)-i D) 1
2 answers:
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The product of the given equation (2x - 1)(x +4) is 2x^{2} +7x -4.
<h3>What is a quadratic equation?</h3>A quadratic equation is the second-order degree algebraic expression in a variable. the standard form of this expression is ax² + bx + c = 0 where a. b are coefficients and x is the variable and c is a constant.
The given expression is
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<em>Complete Question:</em>
In a jar there are 19 red jelly beans and 10 green jelly beans. In how many ways can you pick 4 red jelly beans and the same number of green jelly beans?
Answer:
Step-by-step explanation:
Given
Red Jelly Beans = 19
Green = 10
Required
Select 4 out of 19 red jelly beans and 4 out of 10 green jelly beans
The keyword in the question is pick and this implies combination;
4 from 19 red jelly beans is calculated as follows
Where n = 19 and r = 4
Similarly;
4 from 10 green jelly beans is calculated as follows
Ways of selecting both is calculated as follows