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polet [3.4K]
3 years ago
5

In each of these situations light refracts, except for one. Identify the case in which light is NOT refracted.

Mathematics
2 answers:
ipn [44]3 years ago
8 0
B) ...............................

Eva8 [605]3 years ago
3 0
B) sunlight travels through space - there is nothing to bounce off of until it hits an atmophere
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Yes help pls giving brainlest
lesya [120]

Answer:

1 and 7/12 hours

Step-by-step explanation:

2 and 1/3 is the whole. You need to subtract 3/4. To bring both of these to the same denominator, multiply each fraction by the others denominator. That means 1/3 is now 4/12 and 3/4 is now 9/12. They can now be subtracted. 2 and 4/12 - 9/12 = 1 and 7/12.

5 0
3 years ago
Read 2 more answers
Sarah borrowed some money from her father at a simple interest rate of 5.5% to pay for her college tuition. At the end of the ye
gavmur [86]
\bf ~~~~~~ \textit{Simple Interest Earned Amount}
\\\\
A=P(1+rt)\qquad 
\begin{cases}
A=\textit{accumulated amount}\to &\$2555\\
P=\textit{original amount deposited}\\
r=rate\to 5.5\%\to \frac{5.5}{100}\to &0.055\\
t=years\to &1
\end{cases}
\\\\\\
2555=P[1+(0.055)(1)]\implies \cfrac{2555}{1+(0.055)(1)}=P
\\\\\\
\cfrac{2555}{1.055}=P\implies 2421.800947867 \approx P
4 0
3 years ago
47 + 15 .....................
Igoryamba

Answer:

62

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Find two consecutive even natural number whose product is 168
Oduvanchick [21]
2n(2n+2)=168\\
4n^2+4n-168=0\\
n^2+n-42=0\\
n^2+7n-6n-42=0\\
n(n+7)-6(n+7(=0\\
(n-6)(n+7)=0\\
n=6 \vee n=-7\\
-7\not \in \mayhbb{N}\\\\
2n=12\\
2n+2=14

These numbers are 12 and 14.
7 0
3 years ago
Maria would like to leave a tip (t) of at least 15% of her dinner bill (b). Which inequality best could be used to find the amou
mr_godi [17]
First let's define the variables of the problem:
 t: Tip
 b: dinner bill.
 We write the inequality based on the following proposition:
 "Maria would like to leave a tip (t) of at least 15% of her dinner bill (b)"
 We have then that the inequation is:
 t> = 0.15b
 Answer:
 An inequality best could be used to find the amount of the tip Maria would like to leave is:
 
t> = 0.15b
3 0
3 years ago
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