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UkoKoshka [18]
3 years ago
13

Mary has a bookcase with 5 shelves. There are C books on each shelf. Using C, write an expression for the total number of books.

Mathematics
2 answers:
alisha [4.7K]3 years ago
5 0
C is being multiplyed by 5
andreyandreev [35.5K]3 years ago
5 0
The number of books is equal to 5XC 
(5 times c 
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3x+y=0 and x+2y=7

i)

a= intercept on x axis

b= intercept on y axis

from the question

a=2b

x/2b+ y/b=1

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since it passes through the point (3,2)

then 3+4=2b

7/2=b

x+2y=7     putting the value of b

ii) given b =3a

then x/a+ y/ 3a =1

3x+y=3a

it passes through ( -1,3) then

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1 year ago
5. a. Three metal rods of lengths 234cm, 270cm and 324cm were cut into shorter pieces, all of the same length to make window gri
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Answer:

Step-by-step explanation:

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1 year ago
A ball is hurled in the air such that its horizontal (x) and vertical (y) shifts are given by the functions x(t) = 20t and y(t)
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at t = 5:

x(5) = 100
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Step-by-step explanation: I just took it on the test and I got it right!!

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