3 years ago

Answer two questions about systems A and B

Mathematics

2 answers:

galben [10]3 years ago

8 0

Answer:

There is no question.

Step-by-step explanation:

Lunna [17]3 years ago

7 0

Step-by-step explanation:

I dont see any questions

Can you send a picture to see if I can help

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elena-s [515]

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3 years ago

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algol [13]

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3 years ago

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If 10a+10b=35, what is the average (arithmetic mean) of a and b?

worty [1.4K]

Answer:

1.75

Step-by-step explanation:

If a and b are two numbers, then their arithmetic mean is

$\dfrac{a+b}{2}$

Given:

$10a+10b=35$

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$a+b=3.5$

Now, divide it by 2:

$\dfrac{a+b}{2}=\dfrac{3.5}{2}\\ \\\dfrac{a+b}{2}=1.75$

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3 years ago

Find the greatest common factor!<br> Please help with these 2 questions

Aleksandr-060686 [28]

Hello!

The greatest common factor (GCF) is self explanatory. We find the factors of each number, and find the largest ones that are in common

12: 1,12,2,6,3,4

33:1,33,3,11,

As you can see, the greatest number these two have in common is 3.

Now for the next set.

45: 1,45,3,15,5,9

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As you can see, our GCF is 5.

Therefore, our answers are below.

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3 years ago

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MaRussiya [10]

Maybe D ??

Step by step explanation

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