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levacccp [35]
3 years ago
7

Which expression is equivalent to Negative 6 (negative two-thirds + 2 x)?

Mathematics
2 answers:
vredina [299]3 years ago
8 0

Answer:

the answer is C

Step-by-step explanation:

ivolga24 [154]3 years ago
4 0

Answer: 4 minus 12 x

Step-by-step explanation:

-6(-\frac{2}{3}+2x)

4 - 12x

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Janet must paint her outdoor circular tabletop because it has rusted. The diameter of the table
Margarita [4]

Answer:

  • 12.56 ft²

Step-by-step explanation:

<u>The area of the tabletop:</u>

  • A = πr² = πd²/4 = 3.14*4²/4 = 12.56 ft²
4 0
2 years ago
Read 2 more answers
The average performance rating of the employees at Company A is 6.5 on a scale from 1 to 10 (10 being highest). The standard dev
djyliett [7]

Answer:

The best choice would be hiring a random employee from company A

Step-by-step explanation:

<em>Supposing that the performance rating of employees follow approximately a normal distribution on both companies</em>, we are interested in finding what percentage of employees of each company have a performance rating greater than 5.5 (which is the mean of the scale), when we measure them in terms of z-scores.

In order to do that we standardize the scores of both companies with respect to the mean 5.5 of ratings

The z-value corresponding to company A is

z=\frac{\bar x-\mu}{s}

where

\bar x = mean of company A

\mu = 5.5 (average of rating between 1 and 10)

s = standard deviation of company A

z=\frac{\bar x-\mu}{s}=\frac{6.5-5.5}{2.1}=0.7142

We do the same for company C

z=\frac{\bar x-\mu}{s}=\frac{7.4-5.5}{6.8}=0.2794

This means that 27.49% of employees of company C have a performance rating > 5.5, whereas 71.42% of employees of company B have a  performance rating > 5.5.

So, the best choice would be hiring a random employee from company A

4 0
3 years ago
What is the value of 5s in 155,523,962
8_murik_8 [283]
The values would be...

150,000,000
155,000,000
155,500,000

i hope i'm not wrong. I did the highest fives to the lowest ones.
8 0
3 years ago
Victor is y years old. His 9-year-old sister Marsha is 4 years younger than he is. Write an equation to represent this situation
Maurinko [17]
Victor = y years old
Marsha = 9 years old
Marsha is 4 years younger than Victor.

Answer: y = 9 + 4
7 0
3 years ago
In 3 years, a gyms membership went up from 6,400 to 8,400. Which expression shows how to find the percent of increase (A) 2,000/
deff fn [24]

Answer:

B. 2000/6400

Step-by-step explanation:

Percent increase is told by the attached formula.

Plugging it in, you get 2000/6400.

6 0
3 years ago
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