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Helga [31]
3 years ago
8

the average rainfall in Clearview is 38 inches . this year 29.777 inches fell . How much less rain fell this year than falls in

average year
Mathematics
1 answer:
dexar [7]3 years ago
6 0
38 (average) - 29.777 (this year) = 8.223 inches less this year than the average year.
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Y=x^2-4x+5 to factored form
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Answer:

(2+i)(2-i)

Step-by-step explanation:

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A homeowner is installing a swimming pool in his backyard. he want its length to be 4 feet longer than its width. then he wants
marishachu [46]
1. You have that:

 - The homeowner<span> want the length of the swimming pool to be 4 feet longer than its width.</span> 
 - He wants to surround it with a concrete walkway 3 feet wide.
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 2. Therefore, the tota area is:

 At=L2xW2

 L2 is the lenght of the walkway (L2=L1+3+3⇒L2=(W1+4+6)⇒L2=W1+10).
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 3. The area of the walkway is:

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 A2=300 ft²

 4. Therefore, you have that the width of the swimming pool is:

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2 years ago
What the slope of the graph is
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Step-by-step explanation:

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Read 2 more answers
Rationalize the denominator of square root of negative 49 over open parentheses 7 minus 2 i close parentheses minus open parenth
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The answer is the option d, which is: d) \frac{-77+21i}{130}

The explanation for this problem is shown below:

1. Smplify the denominator and rewrite the numerator in this form:

\frac{7i}{7-2i-4-9i} \\\frac{7i}{3-11i}

2. Multiply the denominator and the numerator by the conjugated (3+11i) and simplify the expression, as following:

\frac{7i(3+11i)}{(3-11i)(3+11i)} \\ \frac{21i+77i^{2}}{121+9}  \\ \frac{-77+21i}{130}

3. As you can see, you obtain the expression shown in the option mentioned above.

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3 years ago
Anybody know where the fractions go?
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