EXPLANATION:
1.25 + 0.8 + 2.75 = $4.8
ANSWER: $4.8
Answer:
Step-by-step explanation:
sin x=a+b
cos x=a-b
sin²x+cos²x=(a+b)²+(a-b)²=2a²+2b²
or 2a²+2b²=1
a²+b²=1/2 which is constant for all values of x
(ii)

Answer:
5x + 3y = 2
5x - 3y = -22
Step-by-step explanation:yes
Answer:
20 carrots
Step-by-step explanation:
4/10
x/50
10 x 5 = 50
4 x 5 = x
x = 20
20/50
Answer:
23? mabey
Step-by-step explanation:
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