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diamong [38]
2 years ago
8

What is refraction of light​

Mathematics
1 answer:
olga2289 [7]2 years ago
4 0

Answer:

If light passes in an angle to a surface with a particular refractive index  it refracts. This change in direction is due to a change in velocity. As light , for example, travels from air through water, it slows down, allowing it to continue travelling at a different angle or direction.

Step-by-step explanation:

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Line l contains points (2,4). Point P has coordinates (1,1). Find the distance from P to l
lina2011 [118]

Answer:

<h3>d =3√2</h3>

Step-by-step explanation:

(2,4)=(x_1,y_1)\\(5,1,)=(x_2,y_2)\\\\d=\sqrt{\left(x_2-x_1\right)^2+\left(y_2-y_1\right)^2}\\\\d==\sqrt{\left(5-2\right)^2+\left(1-4\right)^2}\\\\d=\sqrt{3^2+3^2}\\\\d=\sqrt{3^2\times\:2}\\\\d=\sqrt{2}\sqrt{3^2}\\\\\mathrm{Apply\:radical\:rule\:}\sqrt[n]{a^n}=a,\:\quad \mathrm{\:assuming\:}a\ge 0\\\\\sqrt{3^2}=3\\d =3\sqrt{2}\\

4 0
3 years ago
Purse A which contains $1,000 today. If you leave it alone, it will contain $1,200 tomorrow (by magic). The next day, it will ha
BARSIC [14]

Answer:

Purse A will contain 2400 (by magic) and Purse B will have 64 pennies

Step-by-step explanation:

how this happened is, by magic Purse A went up by 200 every day for 7 days a week. 7*200 would be 1400 so you add that to the money from today and get 2400. Purse B somehow got from 1 penny to 64 in 7 days. The rule on this is to multiply by 2 every day. 1,2,4,8,16,32 and 64. have fun with your magic :3

4 0
3 years ago
What is the name given to a statement that has been proven by deductive reasoning?
ad-work [718]
Deductive reasoning is consists of the axioms<span> (or </span>axiom schemata<span>) and </span>rules of inference<span> that can be used to </span>derive theorems<span> of the system</span>
Theorem is the name given to a statement that has been proven by deductive reasoning. <span>The theorem is obtained with the rules of a </span>deductive system on the basis of <span>previously established statements, for example other theorems.</span>
7 0
3 years ago
How much does $3,000 earn in 6 months at an interest rate of 4%, compounded quarterly?
ivann1987 [24]

Answer:

our answer is648,000 ok

4 0
3 years ago
HOW MANY AUTOMOBILE LICENSE PLATES CAN BE MADE IF EACH PLATE
ahrayia [7]

The number of license plates is 11232000

<h3>How to determine the number of license plates?</h3>

The given parameters are:

Characters = 6 i.e. 3 letters and 3 digits

Letters = 3 different letters

Digits = 3 different digits

There are 10 different digits and 26 different letters.

Since each character is different from the other, then we have:

Digits = 10, 9 and 8

Characters = 26, 25 and 24

The number of license plates is then calculated as:

n = 10 * 9 * 8 * 26 * 25 * 24

Evaluate the product

n = 11232000

Hence, the number of license plates is 11232000

Read more about permutation at:

brainly.com/question/11732255

#SPJ1

3 0
1 year ago
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