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marissa [1.9K]
3 years ago
14

DUE TOMRROW IF NASWERED PROPERLY ILL GIVE BRAINIEST AND 50 POINTS IN ANEW QUESTION ONLY ANSwERED PROPERLY

Mathematics
1 answer:
yarga [219]3 years ago
4 0

Answer:

11.   a.  yes  b.   no

12.  i.  yes  ii.  yes  

13.  a. 31/35  b. 1 5/9  c. 1/30  d.  1/15

Step-by-step explanation:

11. add them

12. estimate

13. add or subtract

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If y varies directly with x, and y is 12 when x is 8, find y when x is 9.​
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nata0808 [166]
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Please help guys I need it
Inessa05 [86]

Answer:

a= 20

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c= 29.71

Step-by-step explanation:

The formula of a triangle is (h*b)/2

a= (5*8)/2

b= to find the height, you can use the pythagorean theorem 18^2 - 6^2 = square root of 288. Which is 12root 2 or 16.97. (16.97*20)/2

c= using the pythagorean theorem- 11^2 = 7^2 - c^2 = square root 73, or 6root 2, or 8.49. (8.49* 7)/2

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3 years ago
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