What is the length of side d?
1 answer:
Answer: A
Explanation:
Use formula a^2 + b^2 = c^2 but in this case letter “d” will substitute for “b”
Since 13 is hypotenuse, 13 is going to be the letter c
12 is “a” because we don’t know “d”
So it’s 12^2 + d^2 = 13^2
Simplify: 144 + d^2 = 169
Subtract to isolate d^2: d^2 = 25
Take square root from both sides to isolate d: d = 5
Answer: A
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Let the no of large frames bought be X
Then the no of smaller frames bought will be (17 - X )
Cost incurred = 14X + 5( 17 - X) = 130
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Answer 5 large frames and 12 small frames
Check
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12X5 = 60
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Answer:
F
Step-by-step explanation:
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Answer:
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Step-by-step explanation:
X=12 because I said so and I’m smart
