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DochEvi [55]
3 years ago
12

I read 40 pages of a book. this is equivalent to 2/3 of the whole book. How many pages does this book have?

Mathematics
2 answers:
vladimir1956 [14]3 years ago
3 0

There would be 60 pages in the book totally because you would set 40/x=2/3 and solve for x.

40/x=2/3

2x=120

x=60

vredina [299]3 years ago
3 0
2/3 = 40
1/3 = 20
=The whole book has 60 pages
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How to put 40,023,032 in expanded form
Valentin [98]
40,023,032 = 40,000,000 + 20,000 + 3,000 + 30 + 2
5 0
3 years ago
PLEASE HELP!
ELEN [110]

Answer:

Colin's mean score = 17.10

The new mean is 18.00

Step-by-step explanation:

Given scores: 31, 10, 26, 16, 28, 31, 9, 11, 8, 1

number of terms: 10

mean is calculated by given formula = sum of all the data set/ number of terms in the data set.

mean for the 10 scores = (31+ 10+ 26+ 16+ 28+ 31+ 9+ 11+ 8+ 1 )/10

                                       = 171/10 = 17.1

Colin's mean score = 17.10

____________________________________________

runs scored by Colin in 11th match = 27

number of terms: 11

new mean = new sum /number of terms

new mean = (old sum score + 27)/11 = (171+27)/11

new mean = 198/11 = 18

The new mean is 18.00

3 0
3 years ago
Norm's electric bill for December 2013 was $149.32. In 2014 the electric bill was $194.31. Next year Norm expects the bill to be
docker41 [41]

A): 2013 = 149.32

Find difference of: 194.31

2014 = 194<u>.31</u> <u>149.32</u>

= <u>44.99</u>

<u>2015</u> Total Will Be:

B):

149.32 + 25 = 174.32

(2013)

<h3> 174.32 + 44.99 = 219.31</h3>

(B) (A)

6 0
1 year ago
On Friday, the temperature changes -30 each hour. If the temperature changed for 7 hours, what is the total temperature change?
Marina86 [1]

A -120 difference will be seen in the temperature within a 7 hour period

<u>Equation</u>

<em>-</em>30 x 7

<em>Multiplying two of different signs ( - + ,  + - ) will always be negative.</em>

<em>Multiplying two of the same sign ( - - , + + ) will always be positive.</em>

8 0
3 years ago
An someone please solve this -18=m+12
DaniilM [7]

Answer:

m = ‐ 30

Step-by-step explanation:

it is because I say it is

5 0
3 years ago
Read 2 more answers
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