3 years ago

Hey, I have some algebra questions, I need to complete for tomorrow. One of them is: Simplify 4a + 12a.

Mathematics

1 answer:

Nimfa-mama [501]3 years ago

3 0

Answer:

16a

Step-by-step explanation:

4a+12a=16a since they are the same variables.

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An oblique cylinder has a radius of 9 centimeters and a volume of 486 cubic centimeters. Use Cavalieri’s Principle to calculate

igor_vitrenko [27]

Cavalieri's Principle states that the volume of an oblique cylinder is equal to the product of the area of the base and the height. Mathematically, this can be expressed as,
volume = Bh
V = (πD²/4)h
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486 cm³ =((π)(9 cm)²/4) x h
The value of h from the generated equation is equal to 7.64 cm. Thus, the height of the oblique cylinder is approximately 7.64 cm.

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3 years ago

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3 years ago

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snow_tiger [21]

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Step-by-step explanation:

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3 years ago

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Which of the following choices is the simple formula for the nth term of the following arithmetic sequence?

VladimirAG [237]

First, we start off with the nth term formula for an arithmetic sequence, which is
$a_{n} =a_{1}+(n-1)d$

plug in the sequence numbers where they belong

$a_{n}=5+(n-1)*(-4)
$
$a_{n}=5+(-4n+4)$
$a_{n}=5-4n+4$
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And this is the final answer
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3 years ago

Hey, I have some algebra questions, I need to complete for tomorrow. One of them is: Simplify 4a + 12a. ​

Hey, I have some algebra questions, I need to complete for tomorrow. One of them is: Simplify 4a + 12a.