Recent activity by Petr Petrov

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60% of those who use the internet do their homework online. If 8 kids are randomly selected, what is the probability that no more than 5 will do their homework online? a) 0.16384 b) 0.32768 c) 0.4096 d)

answered Dec 7, 2024

1 answer 48.0k views

If the circumference of a circle is 25 ft what is the diameter. Use 3.14

answered Nov 10, 2024

1 answer 230k views

"True Play" or "Peak Play" experiences are thought to most likely occur when the player's skills are compatible with the challenge level of the task. This thought is best aligned with which theory?

asked Nov 9, 2024

1 answer 65.7k views

If there is 100 students and the male to female ration is 3:1 how many males are enrolled

asked Oct 26, 2024

2 answers 232k views

IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. Out of a randomly selected 1450 people from the population, how many of them would have an IQ between 106 and 125,

asked Sep 10, 2024

2 answers 112k views

During normal operations, what are the parking and emergency brakes usually held back by? a) Bolts/clamps b) Centrifugal force c) Spring pressure d) Air pressure

answered Jul 4, 2024

1 answer 206k views

if a bacteria population starts with 80 bacteria and doubles every four hours, then the number of bacteria after t hours is n = f(t) = 80 · 2t⁄4. (a) find the inverse of this function.

answered Jun 7, 2024

1 answer 213k views

Doppler placement for FHR. a) True b) False

asked May 22, 2024

1 answer 160k views

What is another term for a demilitarized zone (DMZ)? a) Screened host b) Screened subnet c) Dual-homed firewall d) Virtual private network (VPN)

answered May 16, 2024

1 answer 120k views

a pair of earrings costs 25000 PKR. the conversion rate is PKR 1000= S$5. without using a calculator , estimate the price of the pair of earrings in S$

answered May 9, 2024

1 answer 174k views

(PLEASE HELP ASAP!!!) (30 POINTS) To participate in vigorous exercise for at least 20 minutes on 3 or more days of the week. To participate in moderate exercise for at least 30 minutes on 5 or more days

answered May 7, 2024

1 answer 84.9k views

Trucks, personnel, buildings, fuel, goods to be shipped, truck parts, and packaged supplies are examples of: a. Inputs b. Conversion c. Outputs d. transformation

answered Feb 24, 2024

1 answer 67.9k views

What is "Rainforest Alliance Certified Coffee" and what does it guarantee you?

answered Feb 16, 2024

1 answer 143k views

The ZTE MF288 Smart Hub is ideal for business users who need ________. 1) High-speed internet 2) Secure network connection 3) Multiple device connectivity 4) All of the above

answered Feb 11, 2024

1 answer 177k views

Which type of fire extinguisher should be used for fires that involve pool chemicals? 1) Water extinguisher 2) Carbon dioxide extinguisher 3) Foam extinguisher 4) Dry powder extinguisher

answered Feb 2, 2024

1 answer 86.7k views

What is the machine's net present value (NPV) if Chovita's required rate of return is 10 percent? a) $105,000 b) $15,000 c) $45,000 d) $35,000

answered Jan 29, 2024

1 answer 202k views

Which two statements describe accomplishments of Dolores Huerta?

answered Nov 12, 2023

2 answers 83.2k views

Why were europeans interested in colonizing africa.

asked Nov 1, 2023

1 answer 232k views

Which medication is used in the treatment of a client with intervertebral disc disease?

answered Oct 20, 2023

1 answer 146k views

Suppose that the duration of a particular type of criminal trial is known to be normally distributed with a mean of 20 days and a standard deviation of 6 days. Let X be the number of days for a randomly

answered Oct 11, 2023

1 answer 139k views

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