CAn someone give me the answers pls it would really help
1 answer:
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Answer:
x =
Step-by-step explanation:
Given
3x - = -
Multiply through by 10, the lcm of 5 and 2 to clear the fractions
30x - 8 = - 5 ( add 8 to both sides )
30x = 3 ( divide both sides by 30 )
x = =
Answer:
Yes
Step-by-step explanation:
We can use the Pythagorean Theorem to check if this triangle is a right triangle:
Note that and
are the legs of the triangle and
is the hypotenuse:
Substitute the lengths of the sides into the equation:
Therefore this triangle is a right triangle.