2 years ago

Solve the quadratic equation numerically (using tables of x- and y-values).

Mathematics

1 answer:

Stells [14]2 years ago

3 0

Answer:

Third Option: $x=6$ or $x=-3$

Step-by-step explanation:

$x^2+9x+18=0$

$(x+6)(x+3)=0$

$x=6$ or $x=-3$

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Answer:

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Step-by-step explanation:

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3 years ago

A rectangular football field is 64 meters wide and 100 maters long. A player runs from one corner of the field in a diagonal lin

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119 or 118.726577

Step-by-step explanation:

We should use the Pythagorean Theorem to solve this problem.

a^2+ b^2=c^2

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2 years ago

Use five different colors to paint the four rectangles A, B, C and D shown in the figure. No two rectangles sharing an edge can

GenaCL600 [577]

There are 120 ways to color the 4 rectangles

<h3>How to determine the number of ways?</h3>

The given parameters are:

Paints, n = 5

Rectangles, = 4

The number of ways to color the rectangles is

$Ways = ^nP_r$

This gives

$Ways = ^5P_4$

Apply the permutation formula

$Ways = \frac{5!}{1!}$

Evaluate the expression

Ways = 120

Hence, there are 120 ways to color the 4 rectangles