3 years ago

Find the Least Common Multiple of 9 and 20.

Mathematics

1 answer:

Dmitriy789 [7]3 years ago

8 0

180, because 9 and 20 don’t have any common multiple (both numbers couldn’t be simplified)

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A restaurant makes cornbread. For each batch of cornbread

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Answer:

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4 years ago

Complete the following sentence and determine the property being described:

lesya [120]

Answer:

B. equal to; Reflexive Property

Step-by-step explanation:

Any quantity is equal to itself

An example would be

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3 years ago

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Question

Cerrena [4.2K]

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Step-by-step explanation: Cost (C) = fixed cost + (cost per pencil x number of pencils)

Since:

Fixed cost: $2000

Cost per pencil : $0.05

Replacing with the values given:

C(x) = 2000+ 0.05 x

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Feel free to ask for more if needed or if you did not understand something.

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2 years ago

Which list shows the students in order from the greatest amount of time to the least amount of tme used?

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Step-by-step explanation:

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3 years ago

Find the sum of the geometric series if: n = 8, r = 3, a = 1.

Evgen [1.6K]

Answer:

$\huge\boxed{S_8=3,280}$

Step-by-step explanation:

The formula:

$S_n=\dfrac{a_1(1-r^n)}{1-r}$

Substitute:

$n=8;\ r=3;\ a_1=1\\\\S_8=\dfrac{1\cdot(1-3^8)}{1-3}=\dfrac{1-6,561}{-2}=\dfrac{6,560}{2}=3,280$

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3 years ago