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3 years ago

Which is the height of the triangle 12 times 27

Mathematics

1 answer:

kykrilka [37]3 years ago

3 0

<span> 4.24 height is the answer</span>

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A train traveled 325 miles in 5hrs. What was the trains average rate of speed in miles per hr ?

Leya [2.2K]

Hi there!

To find the average speed of a moving object all you need to do is divide the distance traveled by the object by amount of time it took the object to reach its final destination. So for this problem it would go like this:

325 ÷ 5 = 65

So for this problem in particular the answer is 65 MPH was the average speed of the train.

Your friend, ASIAX

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3 years ago

Jose put$1500 into a savings account. He earns 3% interest every year. How much simple interest will he earn at the end of 3 yea

ehidna [41]

Answer

$3142

Step-by-step explanation:

8 0

3 years ago

If your the bus driver and you have 30 kids on the bus. But the first stop 10 kids get off the bus how old is the bus driver?

ozzi

Answer:

P.ut your age since you're the bus driver

Step-by-step explanation:

Hope this helps!

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2 years ago

Julia is going for a walk through the neighborhood. What unit of measure is most appropriate to describe the distance she walks?

Kryger [21]

Answer:

Possibly meters or feet/yards.

A walk through a neighborhood would be less than a mile/kilometer but much further than an inch/centimeter.

8 0

3 years ago

Read 2 more answers

According to Lambert's law, the intensity of light from a single source on a flat surface at point P is given by Upper L equal

malfutka [58]

Answer:

(a) $L = k*(1 - sin^{2}(\theta))$

(b) L reaches its maximum value when θ = 0 because cos²(0) = 1

Step-by-step explanation:

Lambert's Law is given by:

$L = k*cos^{2}(\theta)$ (1)

(a) We can rewrite the above equation in terms of sine function using the following trigonometric identity:

$cos^{2}(\theta) + sin^{2}(\theta) = 1$

$cos^{2}(\theta) = 1 - sin^{2}(\theta)$ (2)

By entering equation (2) into equation (1) we have the equation in terms of the sine function:

$L = k*(1 - sin^{2}(\theta))$

(b) When θ = 0, we have:

$L = k*cos^{2}(\theta) = k*cos^{2}(0) = k$

We know that cos(θ) is a trigonometric function, between 1 and -1 and reaches its maximun values at nπ, when n = 0,1,2,3...

Hence, L reaches its maximum value when θ = 0 because cos²(0) = 1.

I hope it helps you!

5 0

3 years ago

Read 2 more answers