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Tema [17]
3 years ago
7

Multiply and simplify . b^4•b•b^2•b^3 B^9 4b^9 B^10 B^24

Mathematics
1 answer:
tino4ka555 [31]3 years ago
6 0

Use Product Rule: x^a b^a = x^a + b

b^4 + 1 + 2 + 3

Simplify 4 + 1 + 2 + 3 to 10

Answer: B^10

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Garrett buys lunch for himself and his friend. He buys 2 sandwiches, 2 fries, and 2 malts. How much did Garrett spend on lunch?
Yanka [14]

Answer:

How much is each sandwich, fry, and malt? I can out the answer in the comments, I just need more info.

8 0
3 years ago
Suppose the scores on a test given to all juniors in a school district are normally distributed with a mean of 74 and a standard
ivann1987 [24]

Answer:

\mu -\sigma = 66 , \mu +\sigma = 82

\mu -2\sigma = 58 , \mu +2\sigma = 90

\mu -3\sigma = 50 , \mu +3\sigma = 98

And in the figure attached we see the limits with the percentages associated.

Step-by-step explanation:

For this case we know that the random variable of interest is the scores on a test given to all juniors in a school district follows a normal distribution with the following parameters:

X \sim N(\mu= 74, \sigma =8)

For this case we know from the empirical rule that within one deviation from the mean we have approximately 68.2% of the data, within 2 deviations from the mean we have 95% and within 3 deviation 99.7%

We can find the limits and we got:

\mu -\sigma = 66 , \mu +\sigma = 82

\mu -2\sigma = 58 , \mu +2\sigma = 90

\mu -3\sigma = 50 , \mu +3\sigma = 98

And in the figure attached we see the limits with the percentages associated.

7 0
3 years ago
Explain how you would use properties do you write an expression equivalent to 7y+4b-3y.
erica [24]
1st you combine like terms so subtract 7y and 3y and you get 4y. So this is the final answer: 4y+4b.
5 0
3 years ago
Express as a sum: x–y–z<br><br> plz help i will give branilly for the correct answer
babymother [125]

Answer:

i am positive it is x+y+z

Step-by-step explanation:

i'm so sorry if this is wrong..hope this helped :)

3 0
3 years ago
3. Your friend has eight sweatshirts. Three sweatshirts are green, one is white, and
Sveta_85 [38]

Answer:

3/14

Step-by-step explanation:

P (B then B) = 4/8 x 3/7 or 1/2 x 3/7

6 0
3 years ago
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