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shepuryov [24]
3 years ago
14

Which is a counterexample to this conjecture?

Mathematics
1 answer:
valkas [14]3 years ago
7 0
I think that the answer should be c but i am not sure <span />
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Find the missing side lengths
Mashcka [7]

Answer:

y = 9√3

x = 18

Step-by-step explanation:

taking 30 as reference angle

b = y

p = 9

h = x

so

tan30 = p/b

1/√3 = 9/b

or, b = 9√3

so

h^2 = p^2 + b^2\\x^2 = 9^2 + y^2\\or, x^2 = 81 + (9\sqrt{3} )^2\\or, x^2 = 81 + 243\\or, x ^2 = 324\\or, x =\sqrt{324} \\\\so x = 18

7 0
3 years ago
if 1 mile is 5280 feet, and it is 2 miles from Ellie's house to the school, about how many feet is it from ellie's house to the
Bess [88]
This is a conversion problem. We know that 1 mile is 5280 feet, right? Since Ellie lives 2 miles, and two is double of 1, we just take 5280 and multiply that by two (or add it twice) to find how many feet is between Ellie's house and school. 5280 x 2 = 10560 (you get the same answer if you add 5280 twice). Therefore, 10560 feet lies between Ellie's house and school.
6 0
3 years ago
A marathon runner runs at 7.6 mph for three and a half hours.<br> How many miles has he run?
GalinKa [24]

Answer:

26.6 miles

Step-by-step explanation:

distance = speed × time ( time is in hours )

              = 7.6 × 3.5

             = 26.6 miles

5 0
3 years ago
Hey ya<br><br><br><br>define matter <br><br><br><br><br>have a great day ​
shutvik [7]

Answer:

 matter is any substance that has mass and takes up space by having volume

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
What are ALL the solutions 16x^2-12x=54
nikdorinn [45]

Answer:x=9/4 and x=-3/2

Step-by-step explanation:

4 0
3 years ago
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