Given the equqation
W = 2H + 13
where
W is the weight in lb
H is the height in inches
If the height of a person is 5 ft 6 in, we must first convert it to inches. So,
H = 5(12) + 6
H = 66 in
The body weight then is,
W = 2(66) + 13
W = 145 lbs
The equivalent equation is x² + 20x = -102
<h3>
Simplification of quadratic equation</h3>
The equivalent equation can be obtained by factorizing or simplifying the given quadratic equation as shown below;
x² + 20x + 81 = -21
<em>collect similar terms together</em>
x² + 20x + 81 + 21 = 0
x² + 20x + 102 = 0
The equation can also be written as x² + 20x = -102
Thus, the equivalent equation is x² + 20x = -102
Learn more about simplification of quadratic equation here: brainly.com/question/1214333
Theoretically =theory is potentially done, experimental is experiment XD XD. They both have to do with probability
Answer:
they are 10 ppl in the crew
$12800×15/100=$1920
$10×100/80=$12.50