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3 years ago

5 scholars ran a marthon each one ran 1\5 of a mile how far did the students run in all

Mathematics

1 answer:

IrinaK [193]3 years ago

3 0

9514 1404 393

Answer:

1 mile

Step-by-step explanation:

5 × (1/5 mi) = 5/5 mi = 1 mi

The students ran 1 mile in all.

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Answer:

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Step-by-step explanation:

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2 years ago

A: x/4 +1 = -3 B: x+4 = -12 1) How can we get Equation B from Equation A?

Sveta_85 [38]

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3 years ago

Find the generating function for the sequence 1,1,1,2,3,4,5,6,....

marin [14]

Answer:

$P(x)=\dfrac{1}{1-x}+\dfrac{x^3}{(1-x)^2} \quad \text{for} \mid x \mid < 1$ [/tex]

Step-by-step explanation:

The generating function of a sequence is the power series whose coefficients are the elements of the sequence. For the sequence

$1,1,1,2,3,4,5,6,...$

the generating function would be

$P(x)=1+x+x^2+2x^3+3x^4+4x^5+5x^6+...\\$

we can multiply P(x) by x to get

$xP(x)=x+x^2+x^3+2x^4+3x^5+4x^6+...$

Note that

$P(x)-xP(x)=1+(2x^3-x^3)+(3x^4-2x^4)+(4x^5-3x^5)+(5x^6-4x^6)+...\\ \\=1+x^3+x^4+x^5+x^6+...=1+x^3(1+x+x^2+x^3+x^4+...)$

which for $\mid x \mid < 1$ can be rewritten as

$(1-x)P(x)=1+\dfrac{x^3}{(1-x)} \quad \Rightarrow \\\\P(x)=\dfrac{1}{(1-x)}+\dfrac{x^3}{(1-x)^2}$

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3 years ago

Choose the answer that shows 5^-15 rewrite using a positive exponent?

Mashcka [7]

Answer:

1/5^15

Step-by-step explanation:

You use the exponent rule:

a^-b = 1/a^b

7 0

3 years ago

Read 2 more answers

What is the volume of this cylinder?<br><br> ??

uysha [10]

Answer:

197.92

Step-by-step explanation:

pretty simple not hard bub

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3 years ago