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HACTEHA [7]
2 years ago
15

Solve3/x + 5/x-2=1x=__ x=__​

Mathematics
1 answer:
guajiro [1.7K]2 years ago
8 0
The first x= 2 2/3 and the second x= 2.6
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 (6 pts) The average age of CEOs is 56 years. Assume the variable is normally distributed. If the SD is four years, find the pr
Alenkinab [10]

Answer:

The probability that the age of a randomly selected CEO will be between 50 and 55 years old is 0.334.

Step-by-step explanation:

We have a normal distribution with mean=56 years and s.d.=4 years.

We have to calculate the probability that a randomly selected CEO have an age between 50 and 55.

We have to calculate the z-value for 50 and 55.

For x=50:

z=\frac{x-\mu}{\sigma}=\frac{50-56}{4}=\frac{-6}{4}=   -1.5

For x=55:

z=\frac{x-\mu}{\sigma}=\frac{55-56}{4}=\frac{-1}{4}=-0.25

The probability of being between 50 and 55 years is equal to the difference between the probability of being under 55 years and the probability of being under 50 years:

P(50

5 0
3 years ago
Solve the inequality for x.<br> 4x – 8 &gt; 40
Artyom0805 [142]

Answer:

x is greater then 12

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
5!=5*4*3*2*1;6!=6*5*4*3*2*1 What is the value of 4^4/4!
german

Answer:

\frac{32}{3}

Step-by-step explanation:

If 5! is equal to 5 × 4 × 3 × 2 × 1 and 6! is equal to 6 × 5 × 4 × 3 × 2 × 1, then 4! is equal to 4 × 3 × 2 × 1. Thus, 4! = 4 × 3 × 2 × 1, which can simplify to 24. 4! = 24.

4^{4} is basically 4 × 4 × 4 × 4, which can simplify to 256.

So,  \frac{4^{4}}{4!} = \frac{256}{24}.  \frac{256}{24} can simplify to \frac{32}{3}. Therefore,  \frac{4^{4}}{4!} = \frac{32}{3}.

3 0
2 years ago
The decimal equivalent of is 3/4 is...
tatuchka [14]

Answer:

0.75

Step-by-step explanation:

since it's a fraction you can divide

3 divided by 4 is 0.75

4 0
2 years ago
54 is the sum of 11 and raj's score
Leviafan [203]

Answer:

54 is the sum of 11 and Raj's age. Use variable "r" to represent Raj's age

7 0
3 years ago
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