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2 years ago

A + x + p + 8 = r solve for x all help is appreciated!!

Mathematics

1 answer:

Norma-Jean [14]2 years ago

8 0

a+x+p+8 =r

(to solve isolate x)

x=r-(a+p+8)

x= r-a-p-8

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1 year ago

Sixty percent of Company A’s employees are considered top performers. Fifty five percent of Company A’s employees are in a rigor

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2 years ago

A study showed that 14 of 180 publicly traded business services companies failed a test for compliance with Sarbanes-Oxley requi

Vika [28.1K]

Answer:

The 95% confidence interval for the overall noncompliance proportion is (0.0387, 0.1169).

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of $\pi$ , and a confidence level of $1-\alpha$ , we have the following confidence interval of proportions.

$\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}$

In which

z is the zscore that has a pvalue of $1 - \frac{\alpha}{2}$ .

For this problem, we have that:

$n = 180, \pi = \frac{14}{180} = 0.0778$

95% confidence level

So $\alpha = 0.05$ , z is the value of Z that has a pvalue of $1 - \frac{0.05}{2} = 0.975$ , so $Z = 1.96$ .

The lower limit of this interval is:

$\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.0778 - 1.96\sqrt{\frac{0.0778*0.9222}{180}} = 0.0387$

The upper limit of this interval is:

$\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.0778 + 1.96\sqrt{\frac{0.0778*0.9222}{180}} = 0.1169$

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4 0

2 years ago

I just need numbers 23 and 24

kobusy [5.1K]

23; 20+4+9+ 28
he can estimate by rounding the numbers
24;19.99+4.19+8.50+27.75=
24.18+ 8.25+28=
24.18+36.25=
$60.43

7 0

2 years ago

-1 3/4+ 1 1/6 what is the answer I say -7/12

Bingel [31]

Answer:

No, the correct answer of $-1\frac{3}{4} + 1\frac{1}{6}$ = $\frac{11}{12}$

Step-by-step explanation:

The given expression is $-1\frac{3}{4} + 1\frac{1}{6}$

As we know that a mixed fraction $a\frac{b}{c}$ can be converted into proper or improper fraction as $a\frac{b}{c} = \frac{ac + b}{c}$

⇒ $-1\frac{3}{4} = \frac{(-1) (4)+ 3}{c}$ = $\frac{-4 + 3}{4} = \frac{-1}{4}$

and, $1\frac{1}{6} = \frac{(1) (6)+ 1}{6}$ = $\frac{6 + 1}{6} = \frac{7}{6}$

Hence, the simplified expression = $\frac{-1}{4} + \frac{7}{6} = \frac{-1(3) + 7(2)}{12} = \frac{11}{12}$

or, $-1\frac{3}{4} + 1\frac{1}{6}$ = $\frac{11}{12}$

6 0

2 years ago