What ya the value of k? A B C D
1 answer:
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Answer:
(9,4)
Step-by-step explanation:
The given system is:
9x + 3y = 93
3x - 4y = 11
Multiply the bottom equation by 3 to get:
9x + 3y = 93
9x - 12y = 33
Subtract bottom equation from top one to get:
3y--12y=93-33
We put y-value into the bottom equation:
Answer:
c
Step-by-step explanation:
Using the Altitude- on- Hypotenuse theorem
( leg of the large Δ )² = ( part of hypotenuse below it ) × ( whole hypotenuse )
x² = 3 × ( 3 + 8) = 3 × 11 = 33 ( take the square root of both sides )
x = → c