3 years ago

Find the LCM of k2 + 3k + 2 and 2k2 + 14k + 20.

Mathematics

1 answer:

Archy [21]3 years ago

5 0

Answer:

2(k+1)(k+2)(k+5)

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Identifying the coefficients and constant of a quadratic function

patriot [66]

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3 years ago

Which pairs of angles in the figure below are vertical angles? Check all that apply.

erica [24]

I think it’s all of them.

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The number 1 is an example of an element in the set of natural numbers. true or false

dangina [55]

Your answer is True!

Some other examples of an element in the set of natural numbers are 2, 3, 4, 5, etc.

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~sofia

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2 years ago

A copy machine makes 28 copies per minute. How many copies does it make in 3 minutes and 45 seconds?

lina2011 [118]

Convert minutes and seconds to minutes:
$\text{3 mins 45 seconds} \longrightarrow 3 \dfrac{3}{4} \text{mins}$

FInd 3 3/4 mins:
$\text{1 min} \longrightarrow 28 \text{ copies}$

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$3 \dfrac{3}{4} \text{ min} \longrightarrow 28 \times \dfrac{15}{4} \text{ copies}$

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Answer: It can make 105 copies.

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3 years ago

a car moves 35 miles per hour travels a distance of 51.3 feet each second. about how far does a car travel in 7.1 seconds ?

Sergio039 [100]

If you would like to know about how far does a car travel in 7.1 seconds, you can calculate this using the following steps:

51.3 feet ... 1 second
x feet = ? ... 7.1 seconds

51.3 * 7.1 = x * 1
x = 51.3 * 7.1
x = 364.23 feet

The correct result would be 364.23 feet in 7.1 seconds.

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3 years ago