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luda_lava [24]
3 years ago
7

Last year mrs Bowen's read 289 books. Mrs Jackson's class read 315 book. About how many books did both classes read?

Mathematics
1 answer:
vaieri [72.5K]3 years ago
6 0

Answer:

604

Step-by-step explanation:

add them together using collum method

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81 or 20 1/4

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Find g (a + 1 ), if g(x)=5x-3 ​
nordsb [41]

Answer:

g(a+1)=5a+2

Step-by-step explanation:

so (a+1) is the value of x

you can write it like this:

x=a+1

using substitution, we can swap out all 'x's for 'a+1's. like so;

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5 0
3 years ago
Make a conjecture about the sum of the first 15 positive even number
erica [24]
I conclude that the sum will be even because any even number can be represented by 2n where n is a whole number
and even numbers are 2 apart, so
the sum of the first 15 are
2n+2(n+1)+2(n+2) etc until we get to 2(n+14)
we can undistribute the 2 from all of them and get
2(n+n+1+n+2...n+14)
and we are sure that whatever is in the parenthasees is a whole number because whole+whole=whole
therefor, the sum is even

if you did want to find the sum then
an=2n
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which is even
6 0
3 years ago
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