2 years ago

Find the square root of 144

Mathematics

2 answers:

Anton [14]2 years ago

7 0

The square root of 144 is 12

ladessa [460]2 years ago

3 0

Answer: 12 is the square root of 144

Step-by-step explanation:

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2 years ago

A plane is flying at a heading of 125° at a speed of 320 mph. The wind is blowing from due North at a speed of 35 mph. Find the

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Answer:

$301.29\ \text{mph}$

$119.5^{\circ}$

Step-by-step explanation:

$v_p$ = Velocity of plane = 320 mph

$v_w$ = Velocity of wind = 35 mph

$\theta$ = Angle between wind and plane directions = $125^{\circ}$

From triangle law we have resultant

$v_r=\sqrt{v_p^2+v_w^2+2v_pv_w\cos\theta}\\\Rightarrow v_r=\sqrt{320^2+35^2+2\times 320\times 35\cos125^{\circ}}\\\Rightarrow v_r=301.29\ \text{mph}$

Direction is given by

$\phi=\tan^{-1}\dfrac{v_p\sin\theta}{v_w+v_p\cos\theta}\\\Rightarrow \phi=\tan^{-1}\dfrac{320\sin125^{\circ}}{35+320\cos125^{\circ}}\\\Rightarrow \phi=-60.46^{\circ}=180-60.46=119.5^{\circ}$

The magnitude of the plane is $301.29\ \text{mph}$ moving at an angle of $119.5^{\circ}$ .

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2 years ago

Lynn is trying to fine the best deal on bananas. Two grocery stores each have the fruit on sale. Store A has bananas 2 pounds fo

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I need to know how to solve number 12

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3 years ago

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I NEED HELP ON NUMBER 2 PLEASEEEEE

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Answer:

523.5miles

Step-by-step explanation:

Marcus traveled 65mph for 3.5hrs and 74mph for 4hrs. To find his total traveled distance we need to multiply the mph by the number of hours.

65x3.5=227.5mi

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Add the number of miles together.

227.5+296=523.5miles

Hope this helps :)

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