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s344n2d4d5 [400]
3 years ago
13

Last year Luis read 187 books. This year he read 224 books. Next year he wants to read 285 books. If Luis reaches his goal , how

many books will Luis have read
Mathematics
1 answer:
olga2289 [7]3 years ago
6 0

Answer:

Luis would have read 696 books if he reaches his reading goal for the next year.

Step-by-step explanation:

we know that

If Luis reaches his goal, to find out how many books Luis will have read, add up the number of books he read last year plus the number of books he read this year plus the number of books he wants to read next year

so

187+224+285=696\ books

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AB is tangent to O. If AO=12 and BC=25 what is AB ? The diagram is not to scale.
Marat540 [252]
The answer is A


AO = 12

BC= 25+ 12= 37
you can get help from Pythagoras theorem
{37}^{2} =  {12}^{2}  +  {x}^{2}  \\  -  {x}^{2}  =  {12}^{2}    -   {37}^{2}  \\  -  {x}^{2}  = 144 - 1369 = -  1225 \\1225 =  {x}^{2}
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3 0
3 years ago
Simplify (6^5/7^3)^2
o-na [289]
Simplify the following:
(6^5/7^3)^2

7^3 = 7×7^2:
(6^5/(7×7^2))^2

7^2 = 49:
(6^5/(7×49))^2

7×49 = 343:
(6^5/343)^2

6^5 = 6×6^4 = 6 (6^2)^2:
((6 (6^2)^2)/343)^2

6^2 = 36:
((6×36^2)/343)^2

 | | 3 | 6
× | | 3 | 6
 | 2 | 1 | 6
1 | 0 | 8 | 0
1 | 2 | 9 | 6:
((6×1296)/343)^2

6×1296 = 7776:
(7776/343)^2

(7776/343)^2 = 7776^2/343^2:
7776^2/343^2

 | | | | 7 | 7 | 7 | 6
× | | | | 7 | 7 | 7 | 6
 | | | 4 | 6 | 6 | 5 | 6
 | | 5 | 4 | 4 | 3 | 2 | 0
 | 5 | 4 | 4 | 3 | 2 | 0 | 0
5 | 4 | 4 | 3 | 2 | 0 | 0 | 0
6 | 0 | 4 | 6 | 6 | 1 | 7 | 6:
60466176/343^2

 | | | 3 | 4 | 3
× | | | 3 | 4 | 3
 | | 1 | 0 | 2 | 9
 | 1 | 3 | 7 | 2 | 0
1 | 0 | 2 | 9 | 0 | 0
1 | 1 | 7 | 6 | 4 | 9:

Answer: 60466176/117649
6 0
3 years ago
Leilany was on a treadmill and ran 1 mile in 9 minutes. How many minutes will it take her to run 3 miles?
IRINA_888 [86]

Answer:

27

Step-by-step explanation:

1 mile took 9 min to run, so 3 miles will be:

3 x 9 =

27

4 0
3 years ago
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