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aleksandrvk [35]
3 years ago
15

What is refraction of light​

Mathematics
1 answer:
USPshnik [31]3 years ago
8 0

Answer:

Refraction is what happens when light passes through some medium and changes it's direction because of it. For instance, when light travels through a lens light is bent as it goes from air to glass and back to air again. :)

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The sale price S (in dollars) of an item is given by the formula S=L−rL, where L is the list price (in dollars) and r is the dis
ser-zykov [4K]

The sale price S (in dollars) of an item is given by the formula

S=L−rL , where L is the list price (in dollars) and r is the discount rate.

Since, S = L -rL

rL = L -S

r = \frac{L-S}{L}

r = 1-\frac{S}{L}

Since, the listed price of the shirt is $30, we have to find the discount rate.

Therefore, r = 1-\frac{S}{30} is the discount rate.

7 0
3 years ago
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Find the greatest common factor of 270 and 360.
Vitek1552 [10]
Finding the greatest common factor ( or G C F ):
G C F is the largest number that divides evenly into all the numbers.
270 : 90 = 3
360 : 90 = 4
G C F ( 270, 360 ) = 90
4 0
3 years ago
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A group of 5 people goes to the theater. If each ticket costs $6.50, is $50 a reasonable estimate for the cost of 5 tickets ? Ex
MAVERICK [17]
No it is not because its more then ten numbers away from the solution of the five tickets
6 0
3 years ago
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What is the value of y?
V125BC [204]

Answer:

2nd answer : 6\sqrt{3}

Step-by-step explanation:

144-36=108

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5 0
3 years ago
A cat chases a mouse. The cat is originally 4 feet behind the mouse, which is running in the same direction along the same route
Darya [45]

The cat will take 0.8 seconds  to catch up with the mouse

Step-by-step explanation:

Given:

The  distance between the cat and the mouse =  4 feet

cat's speed  = 17 feet per second.

mouse's speed =  12 feet per second

To Find:

how long will it take the cat to catch up with the mouse = ?

Solution:

We know that

distance  = speed x  time

Rewriting the equation for time we get

time  =\frac{distance }{speed}

now we know that distance is  4 feet

and the speed is 17 -12 = 5 feet per second

Thus the time is

= \frac{4}{5}

= 0.8 seconds

4 0
3 years ago
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