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cupoosta [38]
3 years ago
14

olivia is three times Daisys age now. in 5 years time, olivia will be twice daisys age then. how old is daisy now

Mathematics
2 answers:
neonofarm [45]3 years ago
5 0

Answer:

10

Step-by-step explanation:

If Daisy is originally 5 years old, then Olivia would be three times her age which is 15 years old.

After 5 years pass, Daisy will be 10 years old and Olivia will be 20 years old, making Olivia twice as old as Daisy now.

Katen [24]3 years ago
3 0

Answer:

Daisy is 5 years old NOW

Step-by-step explanation:

D=Daisy's age, O=Olivia's age

O=3D

O+5=2(D+5)

O+5=2D+10

O=2D+5

2D+5=3D

D=5

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Lina20 [59]

Answer:

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Step-by-step explanation:

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3 years ago
ΔABC has three sides with these lengths: AB = 9, BC = 40, and CA = 41. What is the value of cos C?
kotykmax [81]

Answer:

cos(C) =\frac{40}{41}\\\\cos(C)=0.976

Step-by-step explanation:

To find the cos (C) we must use the cosine theorem.

The cosine theorem says that:

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9^2- 40^2- 41^2 =-2(40)*(41)cos(C)

cos(C) = -\frac{9^2- 40^2- 41^2}{2(40)*(41)}

cos(C) =\frac{40}{41}\\\\cos(C)=0.976

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3 years ago
You make 12 equal payments your total is 1308 how much is each payment
Dovator [93]

Answer:

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2 years ago
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Answer:

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Step-by-step explanation:

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olga2289 [7]
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