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DiKsa [7]
2 years ago
12

Find the pay earned? of 33 hours at $5.15 per hour

Mathematics
1 answer:
Alecsey [184]2 years ago
8 0
33 * 5.15 = 169.95. 33 hours at 5.15 per hour
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Using the net below, find the surface area of the triangular prism 5 cm 5 cm 4 cm 4 cm 3 cm 3 cm 3 cm 5 cm​
MatroZZZ [7]

Answer:

54000

Step-by-step explanation:

use multiplication
do ur own work  if you want to see if I'm wrong

7 0
2 years ago
I dont understand this problem ​
zzz [600]

Answer:

<em>64 ; 8</em>

Step-by-step explanation:

a² ± 2ab + b² = (a ± b)²

x² + 2(8)(x) + 8² =

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4 0
3 years ago
In a large population of adults, the mean IQ is 112 with a standard deviation of 20. Suppose 200 adults are randomly selected fo
Snezhnost [94]

Answer:

(c)approximately Normal, mean 112, standard deviation 1.414.

Step-by-step explanation:

To solve this problem, we have to understand the Central Limit Theorem

Central Limit Theorem

The Central Limit Theorem estabilishes that, for a random variable X, with mean \mu and standard deviation \sigma, a large sample size can be approximated to a normal distribution with mean \mu and standard deviation \frac{\sigma}{\sqrt{n}}.

In this problem, we have that:

\mu = 112, \sigma = 20, n = 200

Using the Central Limit Theorem

The distribution of the sample mean IQ is approximately Normal.

With mean 112

With standard deviation s = \frac{20}{\sqrt{200}} = 1.414

So the correct answer is:

(c)approximately Normal, mean 112, standard deviation 1.414.

4 0
3 years ago
What is the value of x?
Bingel [31]
X is equall to 9. Very simple, just look carefully.
8 0
3 years ago
Read 2 more answers
Practice solving quadratic equations.
goldfiish [28.3K]

Answer:

x=4, 3/2

Step-by-step explanation:

3(x-4)(2x - 3) = 0

Using the zero product property

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8 0
3 years ago
Read 2 more answers
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