3 years ago

Ised adittion propetties and strategies tonfind the sum 74+35+16+45

Mathematics

2 answers:

Nadya [2.5K]3 years ago

6 0

The answer is 170 I believe

kkurt [141]3 years ago

4 0

Answer:

I also think its 170.

Step-by-step explanation:

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A bird (B) is spotted flying 6,000 feet from a tower (T)). An observer (O) spots the top of the tower (T) at a distance of 9,000

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Answer:

The angle will be "48.7°".

Step-by-step explanation:

In ΔTBO, the given values are:

TB = 6,000 feet

BO = 9,000 feet

Now,

To find the angle,

⇒ $Cos \ B =\frac{TB}{BO}$

On putting the estimated values, we get

⇒ $Cos \ x=\frac{6000}{9000}$

⇒ $Cos \ x=0.66$

⇒ $x=Cos^{-1} \ 0.66$

⇒ $x=48.7^{\circ}$

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362880 ways

Step-by-step explanation:

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So, to find how many ways this word can be arranged, we just need to calculate the factorial of 9:

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Second letter has 8 possibilities (one used)

Third letter has 7 possibilities (two used), and so on.

So the number of ways is:

9*8*7*6*5*4*3*2*1 = 362880 ways

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3 years ago

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Step-by-step explanation:

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