3 years ago

According to the Associative Property, which expression is equal to (25)(9)(4x)?

Mathematics

1 answer:

timofeeve [1]3 years ago

3 0

Answer:

(25x9x4)(x)

Step-by-step explanation:

They both equal 900x

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what is the equation in point-slope form of the line that passes through the point (4, "-7)" and has a slope of "-1/4"

Leona [35]

Answer:

y+7=-1/4(x-4) i think

Step-by-step explanation:

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3 years ago

1. What is the domainof the relation {(3,4), (1,2), (-3, -5), (0, -8)}?

Marizza181 [45]

Wouldn’t it be D. since the domain is x. (x,y)

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Step-by-step explanation:

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3 years ago

Use geometric series to find the fraction of 0.8967898989

Sliva [168]

I'm guessing the repeating part is 89 at the end, so that

$x=0.8967\overline89\implies10^4x=8967.\overline{89}$

Then

$10^4x=8967+\displaystyle89\sum_{i=1}^\infty\frac1{100^i}$

$10^4x=8967+89\left(\dfrac1{1-\frac1{100}}-1\right)$

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$x=\dfrac{8967}{10^4}+\dfrac{89}{99\cdot10^4}$

$x=\dfrac{443911}{495000}$

###

An arguably quicker way without using geometric series:

$10^4x=8967.\overline{89}$

$10^6x=896789.\overline{89}$

$10^6x-10^4x=887822$

$x=\dfrac{887822}{10^6-10^4}=\dfrac{443911}{495000}$

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4 years ago

Each of the letters of the word ALABAMA are written on a piece of paper and then

Kruka [31]

Answer:

3/7

Step-by-step explanation:

There are 7 letters in ALABAMA. And there are 4 A's in ALABAMA. So if you're trying to not get an A then you would subtract 4 from 7. Which you would get 3/7 of the letters in ALABAMA are not A.

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