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1 answer:
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Answer:
sin x=55/73
Sinz=48/73
cosx=48/78
cosz=55/73
Step-by-step explanation:
Using SOHCAHTOA
Answer:
30 and 17
Step-by-step explanation:
Using Pythagoras' theorem, that is
The square on the hypotenuse of a right triangle is equal to the sum of the squares on the other 2 sides, thus
(1)
c² = 18² + 24² = 324 + 576 = 900
Take the square root of both sides
c = = 30
(2)
c² = 8² + 15² = 64 + 225 = 289
Take the square root of both sides
c = = 17
The cost of one rose bush is $2 and one day lily is $10.
Step-by-step explanation:
Let,
Cost of one rose bush = x
Cost of one day lily = y
According to given statement;
7x+6y=74 Eqn 1
7x+y=24 Eqn 2
Subtracting Eqn 2 from Eqn 1
Dividing both sides by 5
Putting y=10 in Eqn 1
Dividing both sides by 7
The cost of one rose bush is $2 and one day lily is $10.
Keywords: linear equation, elimination method
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