A school library has 200 DVDs in its collection. Given that 40% of the DVDs are about science and 45% are about history, how man
2 answers:
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x = 5 + 8y - 8
Combine like terms.
x = -3 + 8y
Add 3 to both sides.
x + 3 = 8y
Divide both sides by 8.
y =
Answer:
Yes
12, 35, 37
16, 30, 34
20, 21, 29
No
18, 24, 42
Step-by-step explanation:
Required
Determine which length form a right triangle
To do this, we make use of Pythagoras theorem where the square of the largest length = the sum of the squares of the other lengths
So:
(1) 12, 35, 37 --- Yes
(2) 16, 30, 34 --- Yes
(3) 18, 24, 42 --- No
(4) 20, 21, 29 -- Yes