Answer:
£3.66
Step-by-step explanation: if you need it :D
17 + 23 = 40
40 = 16 what about 17
16 × 17 = 272 ÷ 40 = £6.8
16 - 6.8 = £9.2
20% of £6.8 = £1.36
1/4 of £9.2 = £2.3
1.36 + 2.3 = £3.66
Can you mark my answer brainliest? Tysm! :D
-Eli
Answer:
see below
Step-by-step explanation:
prove: sin²x cos²y - cos²x sin²y ≡ sin²x - sin²y
we notice that the Right side only has sin² functions, hence we can start by trying to remove the cos² functions from the Left side.
Recall the identity: sin²α + cos²α = 1 , can be rearranged to give us:
cos²α = 1 - sin²a.
If we apply this to the left side of our equation, then
cos²y = 1-sin²y, and cos²x = 1-sin²x
Substituting these into the left side of the equation:
sin²x cos²y - cos²x sin²y
= sin²x (1-sin²y) - (1-sin²x ) sin²y
= sin²x - (sin²x sin²y) - sin²y + (sin²x sin²y)
= sin²x - sin²y
= Right Side of equation (Proven!)
Answer:
-2? maybe
Step-by-step explanation:
Answer:
72000
Step-by-step explanation:
Multiply 120,000 by 0.6 OR multiply 120,000 by 0.4 and subtract 120,000 by the product.
Both equal 72,000
Hope this helps my fellow mike winsowski memer
-Scorpio
