2 years ago

I need a quick help !!

Mathematics

1 answer:

Marat540 [252]2 years ago

8 0

First one: Hope this helps.

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An airplane needs to head due north, but there is a wind blowing from the northeast at 50 km/hr. The plane flies at an airspeed

laiz [17]

Answer: $\theta =2.415^{\circ}$

Step-by-step explanation:

Using vector method to solve it

Resultant can be given by

$R^2=700^2+40^2+2\times 700\times 40cos135$

$R^2=450,408$

R=671.12 Km/hr

The angle made by resultant with 700 km/hr is $\theta$

using sine rule

$\frac{40}{sin\theat }=\frac{R}{sin45}$

$sin\theta =0.0421509$

$\theta =2.415^{\circ}$

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2 years ago

50 points

masha68 [24]

Answer:

Alaina

Step-by-step explanation:

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The height is 2 inches

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3 years ago

Danny charges $40 for 4 hours of swimming lessons, Martin charges $85 for 5 hours of swimming lessons. Who offers a better deal?

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Answer:

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10 is less than 17 meaning that Danny is offering a better deal.

Hope this helps!

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