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anyanavicka [17]
3 years ago
15

Sally stuffed her backpack full of bird seeds her backpack weighed 7200 g is how many kilograms did her bag weight

Mathematics
1 answer:
miv72 [106K]3 years ago
5 0
The answer 7.2 grams
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9/12 so 12 triés because 9*3=27 so you then have to multiply 4*3*12
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3 years ago
The average test scores for a particular test in algebra was 84 with a standard deviation of 5. What percentage of the students
Delicious77 [7]

Answer:

The percentage of the students scored higher than 89% is 15.87%

Step-by-step explanation:

we are given

The average test scores for a particular test in algebra was 84

so, mean is 84

\mu=84

a standard deviation of 5

so,

\sigma=5

we have

x=89

now, we can use z-score formula

z=\frac{x-\mu}{\sigma}

now, we can plug values

z=\frac{89-84}{5}

z=1

now, we can use calculator

and we get

p(z>1)=0.1587

So,

The percentage of the students scored higher than 89% is 15.87%

8 0
3 years ago
PLS HELP
sertanlavr [38]

Answer:

C. 76 + 7i

Step-by-step explanation:

49 squared is 7 and since it's negative, it is an imaginary number. Therefore, it is 7i. Which leaves C to be the correct option.

8 0
2 years ago
30 PTS!! URGENT JUST 3 QUESTIONS PLEASE
Harrizon [31]

Answer:

1. 7    

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Step-by-step explanation:

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Change 15/2 to mixed number
Alexeev081 [22]

Answer:

7 1/2

Step-by-step explanation:

8 0
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Read 2 more answers
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