danasonggg1
danasonggg1 danasonggg1
  • 26-02-2017
  • Mathematics
contestada

Someone help me please! Thank u so much!!

Someone help me please Thank u so much class=

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texaschic101
texaschic101 texaschic101
  • 26-02-2017
5. a^2 + b^2 = c^2...where a and b are the legs and c is the hypotenuse
    7^2 + 10^2 = c^2
    49 + 100 =c^2
    149 = c^2....take square root of both sides, eliminating the ^2
     sq rt 149 = c
     12.21 = c.....so the approximate length of 3rd side is 12 m

6. x = number of books bought

7. m < 2 + m < 8 = 180

8. 1000 = 400 + 24x
     1000 - 400 = 24x
     600 = 24x
     600/24 = x
     25 = x <=== 25 months he will have spent $ 1000

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