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3 years ago

-4x< 8 help please solving one step inequalities

Mathematics

2 answers:

Aloiza [94]3 years ago

8 0

Answer:

x>-2

Step-by-step explanation:

when dividing by a negative number, the inequality sign flips.

KonstantinChe [14]3 years ago

6 0

Answer:

x > -2

Step-by-step explanation:

-4x< 8 (divide both sides by -4)

-x < 8/4

-x < 2 (divide or multiply both sides by -1, remember to flip the inequality when multiplying or dividing by -1)

x > 2 (-1)

x > -2

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In a valid probability distribution, each probability must be between 0 and 1, inclusive, and the probabilities must add up to 1

lora16 [44]

The value of x is 1/5

Step-by-step explanation:

In a probability distribution, probability should be between 0 and 1. The probabilities add up to one.

Given probabilities are:

$\frac{1}{10}, \frac{1}{5}, \frac{1}{2}, x$

The sum of these probabilities will be equal to 1.

So,

To find x,

$\frac{1}{10}+\frac{1}{5}+\frac{1}{2}+x = 1\\\frac{1+2+5}{10}+x=1\\\frac{8}{10}+x=1\\x= 1- \frac{8}{10}\\x = 1- \frac{4}{5}\\x= \frac{5-4}{5}\\x=\frac{1}{5}$

The value of x is 1/5

Keywords: Probability, Distribution

Learn more about probability at:

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7 0

3 years ago

Read 2 more answers

Dave can clean pools at a constant rate of 3/5 pools/hours , What is the ratio of the number of pools to the number of hours?

mojhsa [17]

Answer:

The correct ratio for this is: 3:5.

Example:

If Dave had 10 hours to clean pools, how many would he be able to clean?

Answer: Using the ratio 3.5, Dave would be able to clean 6 pools in 10 hours.

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3 0

2 years ago

TO TRANSMIT INFORMATION ON THE INTERNET, LARGE FILES ARE BROKEN INTO PACKETS OF SMALLER SIZES. EACH PACKET HAS 1,500 BYTES OF IN

borishaifa [10]

Answer:

A. It would be needed 20 packets to transmit 30,000 bytes of information.

B. 45'000,000 (45 million) of bytes could be transmitted in 30,000 packets.

Step-by-step explanation:

1. Let's review the data given to us for solving the question:

Size of each packet of information = 1,500 bytes

Number of packets = P

Number of bytes of information = B

2. Let's answer the questions:

A. How many packets would be needed to transmit 30,000 bytes of information?

P = 30,000 ÷ 1,500

P = 20

It would be needed 20 packets to transmit 30,000 bytes of information

B. How much information could be transmitted in 30,000 packets?

B = 30,000 * 1,500

B = 45'000,000

45'000,000 (45 million) of bytes could be transmitted in 30,000 packets.

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3 years ago

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gogolik [260]

Answer:

Step-by-step explanation:

i know it c

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3 years ago

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IrinaK [193]

Answer:

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Step-by-step explanation:

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