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k0ka [10]
3 years ago
15

Factor the polynomial: 81b^2 - 64c^2

Mathematics
1 answer:
Lilit [14]3 years ago
5 0

Answer:

160D^2

Step-by-step explanation:

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7/22 rounded to the nearest thousandth
Artyom0805 [142]

Answer:

0.318

Step-by-step explanation:

4 0
3 years ago
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Experiments with repeated independent trials will be described by the binomial distribution if
bija089 [108]

Answer:

d. each trial has exactly two outcomes whose probabilities do not change

Step-by-step explanation:

A binomial experiment is one where there are exactly two outcomes for each trial and probability for getting success is constant in each trial.

In other words, each trial is independent of the other.

The trials need not be continuous nor time between trials to be constant.

Since trials are to be independent, each trial cannot influence the next.

Only option d is right.

d. each trial has exactly two outcomes whose probabilities do not change

Examples are tossing of coins, throwing dice, drawing cards or balls with replacement, etc

7 0
3 years ago
To help plan the number of meals to be prepared in a college cafeteria, a survey was conducted, and the following data were obta
andrew11 [14]

Answer:

920 Students

Step-by-step explanation:

Add all of the meals together

Please dont judge me if i get this wrong this is why i joined brainly i don´t know nothing

8 0
3 years ago
A cake recipe calls for two cups of sugar to five cups of flour. How much flour per cup of sugar? How much sugar per cup of flou
AVprozaik [17]

Answer:

flour per cup of sugar=2 1/2 cups of flour

sugar per cup of flour=2/5 cups of sugar

Step-by-step explanation:

8 0
3 years ago
There are eight furlongs in a mile and two weeks in a fortnight. If I travel 2800 furlongs in a fortnight, how many miles per da
katrin2010 [14]
Hello there! So, a fortnight is two weeks and two weeks is 14 days. You traveled 2,800 furlongs in two weeks. First off, let's divide the number of furlongs by the amount per mile. 2,800/8 is 350. That's 350 miles in two weeks. Now, we can divide 350 by 14 to find the amount traveled in 14 days. 350/14 is 25. There. You traveled 25 miles per day.
3 0
4 years ago
Read 2 more answers
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