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Sveta_85 [38]
3 years ago
13

Explain why any number that is divisible by 9 is also divisible by 3.​

Mathematics
1 answer:
slamgirl [31]3 years ago
6 0
Since 3 x 3 = 9, 9 is divisible by 3. So, 3 would be a factor of any number divisible by 9
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Kyle has a bag of red, green, and blue marbles. He asks Linda to draw a marble without looking in the bag, record its color, and
pickupchik [31]

Answer: red marble 7 out of 20 : 7/20 : 0.35: 35%

Step-by-step explanation:

8 0
3 years ago
What is the y-intercept of the equation of the line that is perpendicular to the line y =
igor_vitrenko [27]

Answer:

y=-5/3x+20

Step-by-step explanation:

Let the equation of the required line be represented as \[y=mx+c\]

This line is perpendicular to the line \[y=\frac{3}{5}x+10\]

\[=>m*\frac{3}{5}=-1\]

\[=>m=\frac{-5}{3}\]

So the equation of the required line becomes \[y=\frac{-5}{3}x+c\]

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\[-5=\frac{-5}{3}*15+c\]

\[=>c=20\]

So the equation of the required line is \[y=\frac{-5}{3}x+20\]

Among the given options, option 4 is the correct one.

3 0
3 years ago
A person suspects a standard number cube is not so standard. Another person rolls this cube 100 times, and it lands on a six 42
Ksju [112]

Answer:

The chance of an average six-sided number cube landing one one number is 1/6, or approximately 16.67%. When rolling a number cube 100 times, the average number of times it lands on any specific number should be fairly close to 16.67.

A 6 being rolled 42 times and 33 times means that it is <em>very likely</em> not to be a standard number cube. Although we cannot know for certain, the chance of this happening is very low.

3 0
3 years ago
Which set of side lengths form a right triangle?
kotykmax [81]

Answer:

the answer is option A

PLEASE MARK ME AS BRAINLY

Step-by-step explanation:

6 0
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What are the total operating expenses? (This is line (c) on the income statement.)
snow_tiger [21]

Answer:

The answer to this question can be defined as follows:

Step-by-step explanation:

In this question some information is missing that's why we explain "operating expenses".  

The Operating costs are paid in the business transactions and include property taxes, materials, stock costs, marketing, salary, health coverage, and R&D investments.

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7 0
3 years ago
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