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kow [346]
2 years ago
14

The total cost for paperback books varies

Mathematics
1 answer:
postnew [5]2 years ago
4 0

Answer:

$113.81

Step-by-step explanation:

Find the cost for one book:

35.94 / 6 = 5.99

Multiply 5.99 with the number of books buying:

5.99 x 19 = 113.81

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13, 5, 4, 9, 7, 14, 4 The deviations are _____.
fenix001 [56]

Answer:

B."5, -3, -4, 1, -1, 6, -4"

Step-by-step explanation:

We are given that

13,5,4,9,7,14,4

We have to find the deviation.

Mean=\frac{sum\;of\;data}{total\;number\;of\;data}

Using the formula

Mean,\mu=\frac{13+5+4+9+7+14+4}{7}

Mean,\mu=\frac{56}{7}=8

Deviation=x_i-\mu

         x_i-\mu

13          5

5           -3

4           - 4

9            1

7             -1

14            6

4            - 4

Hence, option  B is correct.

7 0
3 years ago
The half-life of a radioactive kind of iodine is 60 days. How much will be left after 240 days, if you start with 480 grams of i
exis [7]

Answer:

30 grams

Step-by-step explanation:

half life is 60 days so every 60 days the amount 480 grams will be half

in 240 days will decay  240 /60 = 4 times

once 480 /2 = 240

twice 240 /2 = 120

trice 120 / 2 = 60

four times 60/2 = 30 grams will be left

6 0
2 years ago
An insect is 3.5 millimeters long. Which expression finds the length of the insect in decimeters? Use the metric table to help a
rewona [7]

Answer:

The length of the insect in decimeters is: 0.035 decimeters

Step-by-step explanation:

The metric table help us to know:

1 decimeter =100 millimeters

To answer the question we need to know how many decimeters are 3.5 millimeters, so:

3.5 millimeters*\frac{1 decimeter}{100 millimeters}= 0.035 decimeters

The length of the insect in decimeters is: 0.035 decimeters

6 0
3 years ago
Read 2 more answers
Jonathan can jog a mile in 1/3 hour. Find his average speed in miles per hour
Amiraneli [1.4K]

Answer:

Jonathan can jog 3 miles in one hour. 3mph

Step-by-step explanation:

If he can jog one mile in 1/3 of an hour, all you would need to do is multiply his one mile by 3.

4 0
3 years ago
Kim got her pay raise, and her hourly pay went from $12 to $14. Jane also got a raise, and her hourly pay raise went from $13 to
Contact [7]
Kim because just cause man. 14/12 can be turned into 7/6... boom knowledge??
7 0
3 years ago
Read 2 more answers
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