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icang [17]
3 years ago
14

What is the average of 5.24,6.875,3.298,5.7,4.98? Round the answer to 2 decimal points

Mathematics
1 answer:
Serggg [28]3 years ago
6 0
The original answer is 5.2186. After you round, your answer should become 5.22
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Scores on an exam are normally distributed with a mean of 76 and a standard deviation of 10. In a group of 230 tests, how many s
leva [86]
Z score = 66 - 76
               ----------  = - 1
                   10 

from the tables of normal distribution  this corresponds to 0.34-3 of the area under the normal curve 
so reuired number od students = 0.3413 * 230  = 78
3 0
4 years ago
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A postal service requires that any box sent by priority mail have length plus girth​ (distance around) totaling no more than 104
Vaselesa [24]

Answer:

The length is no more than 56 inches.

The volume of the box is 8064 cubic inches.

Step-by-step explanation:

Given : A postal service requires that any box sent by priority mail have length plus girth​ (distance around) totaling no more than 104 in. One volume that meets this condition is contained by a box with a square end 12 in. on each side.

To find : What is the length of the​ box? What is the​ volume?

Solution :

A square end 12 inch on each side.

Then the girth of the box is given by,

P=4\times s

P=4\times 12

P=48

The girth of the box is 48 inches.

A postal service requires that any box sent by priority mail have length plus girth​ (distance around) totaling no more than 104 in.

So, L+48\leq 104

L\leq 56

The length is no more than 56 inches.

The maximum volume of such a box would be,

V=L\times B

B = area of the base (or end) of the box,

So, B=12^2=144

The volume is

V=56\times 144

V=8064\ in^3

Therefore, The volume of the box is 8064 cubic inches.

4 0
4 years ago
your marksmanship score are 6 and 10 on two test . if you want average 9 on the tests , waht must your third score be?
Mamont248 [21]

Answer:

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Step-by-step explanation:

To do this you would just multiply 9 by 3 so you get 27 and subtract 6+10 which is 16 from it and then you will get 11 and that is what you will need for your third score

3 0
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Please I need this ASAP
Diano4ka-milaya [45]
35+2x=20+2.50x
subtract 2.50x
35+0.50x=20
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3 years ago
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Find the intercepts. 25 POINTS!!!!!!!!!!!
slamgirl [31]

Answer:

What grade is this??

Step-by-step explanation:

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3 years ago
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