Answer:
Mark had $26.29 before buying the pizza.
Step-by-step explanation:
$8.54 + $17.75 = $26.29
Assume that adult have IQ scores<span> that are </span>normally distributed<span> with a </span>mean<span> of </span>100<span> ... of </span>15<span>, Find the probability that a randomly selected adult </span>has<span> an </span>IQ<span> that is less ... </span>mean<span> of </span>100<span> and a </span>standard deviation<span>of </span>15<span>. Find the </span>IQ score<span> separating the top ... The Beanstalk Club, a social organization for tall </span>people,has<span> a requirement ...</span>
ANSWER: a=12 b=15
Explanation: (look at work below)
4a + 1b = 63 (eq1)
5a + 3b = 105 (eq2)
-12a + -3b = -189 (subt. eq1 from eq2)
————————-
-7a = -84
a = 12
4(12) + 1b = 63 (plug in the a value)
48 + 1b = 63
b = 15
Answer:
1. x = 11.5
2. x = 14.35
Step-by-step explanation:


x = 11.472 ≈ 11.5


x = 14.352 ≈ 14.35
<em>H</em><em>O</em><em>P</em><em>E</em><em> </em><em>T</em><em>H</em><em>I</em><em>S</em><em> </em><em>H</em><em>E</em><em>L</em><em>P</em><em>S</em><em> </em><em>A</em><em>N</em><em>D</em><em> </em><em>H</em><em>A</em><em>V</em><em>E</em><em> </em><em>A</em><em> </em><em>N</em><em>I</em><em>C</em><em>E</em><em> </em><em>D</em><em>A</em><em>Y</em><em> </em><em><</em><em>3</em>