2 years ago

In the middle of a test Please answer!

Mathematics

1 answer:

vaieri [72.5K]2 years ago

4 0

Answer:

umm... there is no problem

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Use Gauss's approach to find the following sums (do not use formulas). 1+3+5+7+...999

muminat

$S=1+3+5+\cdots+995+997+999$
$S=999+997+995+\cdots+5+3+1$
$\implies 2S=(1+999)+(3+997)+(5+995)+\cdots+(995+5)+(997+3)+(999+1)$

$2S=\underbrace{1000+1000+\cdots+1000+1000}_{500\text{ times}}$

(We are adding 500 instances of 1000 because that's how many odd numbers there are between 1 and 1000, inclusive.)

$2S=500\times1000=500000$
$\implies S=250000$

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3 years ago

What is 10 to the negative 8 power

raketka [301]

Answer:

0.000000001

Hope This Helps! Have A Nice Day!!

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2 years ago

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MA_775_DIABLO [31]

Answer:

36 is your least common denominator. Hope this helps

Step-by-step explanation:

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2 years ago

A rectangular shelf with an area equal to x^2-16x+60 square units could have which possible dimensions for length and width

kenny6666 [7]

Answer:

Step-by-step explanation:

x²-16x+60

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so dimensions are x-6 and x-10.

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2 years ago

15x + 10x^2=30<br> tìm x

ArbitrLikvidat [17]

Answer:

How to solve your problem

Step-by-step explanation:

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