I need help. I can't figure this question out.

Mathematics

1 answer:

ki77a [65]3 years ago

4 0

-30a5b+12a4b3+16a3b2-4a2b4-2ab3

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David earned a gross pay of $160 for one week. He worked 20 hours. What is his hourly wage?

NikAS [45]

Answer:

Step-by-step explanation:

160 divided by 20 hours = 8.

David has a 8 hourly wage.

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3 years ago

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What would 125 divided by 6 be?

kirza4 [7]

Answer:

20.8333333333

Step-by-step explanation:

Since 6 isn't a factor of 125 there will be a decimal.

6 goes into 125 20 times. Then it can fit in .8333333333 times.,

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David has scored 81 , 87 , 69 , and 82 on his previous four tests. what score does he need on his next test so that his average

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91 so the mean can avrege out to 82

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Ninety-one percent of products come off the line within product specifications. Your quality control department selects 15 produ

Allisa [31]

Answer:

Probability of stopping the machine when $X < 9$ is 0.0002

Probability of stopping the machine when $X < 10$ is 0.0013

Probability of stopping the machine when $X < 11$ is 0.0082

Probability of stopping the machine when $X < 12$ is 0.0399

Step-by-step explanation:

There is a random binomial variable $X$ that represents the number of units come off the line within product specifications in a review of $n$ Bernoulli-type trials with probability of success $0.91$ . Therefore, the model is ${15 \choose x} (0.91) ^ {x} (0.09) ^ {(15-x)}$ . So: