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MA_775_DIABLO [31]
3 years ago
8

Any number that is divisible by 3 is divisible by nine

Mathematics
2 answers:
vovangra [49]3 years ago
5 0
I think what you are trying to ask is what number is divisible by three and nine
   multiply 3 and 9 to get your answer
        = 27
  27 because it can be divided by 3 and = 9 and can be divided by 9 and = 3
<span />
marin [14]3 years ago
3 0
All numbers written only with the digit 9 are divisible by 9 For example: 9, 99, 999, 99999 Lets us take any number , for example 324 324 can be written as a sum of hundreds, tens and ones like this: 324 = 300 + 20 + 4 or 324 = 100 + 100 + 100 + 10 + 10 + 4 But 100 = 99 + 1 and 10 = 9 + 1 Then 324 = 99 + 99 + 99 + 3 + 9 + 9 + 2 + 4 = (99 + 99 + 99 + 9 + 9)+ (3 + 2 + 4) The sum in the first brackets is divisible by 9 because all the addends are divisible by 9. If the sum in the second brackets (3+2+4) is also divisible by 9 than the whole number 324 is divisible by 9. Because the sum 3 + 2 + 4 is divisible by 9, 324 is also divisible by 9
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Dr. Steve is working with a new radioactive substance in his lab. He currently has 64 grams of the substance and knows that it d
4vir4ik [10]
Remember that the general decay equation is:
y=A(1-r)^{x}
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A is the initial amount 
r is the the decay percent in decimal form

The first ting we are going to do is find r by dividing our <span>decay rate of 25% by 100%: </span>r= \frac{25}{100} =0.25.
We also know from our problem that y=64. Lets replace y and r in our formula:
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Now, to find the initial amount, we are going to solve our equation for A:
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The function f(x) is show on the graph. What is f(0)?
dexar [7]

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Which category would have the lowest conditional relative frequency?
lianna [129]
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Luba_88 [7]

<u>Answer</u>:

A. y = \frac{-2}{3}x + 3

<u>Explanation</u>:

slope: \frac{y2-y1}{x2-x1}

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equation: y - y1 = m( x - x1 )

                y - 1 = \frac{-2}{3}( x - 3 )

                y = \frac{-2}{3}x + 3

6 0
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