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3 years ago

In how many ways can 3 different novels, 2 different mathematics books, and 1 biology book be arranged on a bookshelf if:

Mathematics

1 answer:

Aleksandr-060686 [28]3 years ago

4 0

By the number amount of the books like 1 biology and 2 mathematic book and 3 different novels or my grade

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Which point represents the ordered pair (-2 1/4, 2/3)?

Burka [1]

Answer: c. Point S

Step-by-step explanation:

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3 years ago

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How much greater is the sum of the first 100 triangular numbers than the sum of the first 99 triangular numbers? Answer: It is b

sergiy2304 [10]

Answer:

First, a triangular number can be written as:

Tₙ = (n^2 + n)/2

where n is the number of our triangular number, n = 1 represents the first one, n = 2 represents the second one, etc.

The sum of the first 100 triangular numbers is:

S1 = (T₁ + T₂ + ... + T₉₉ + T₁₀₀)

The sum of the first 99 triangular numbers is:

S2 = (T₁ + T₂ + ... + T₉₉)

Then the difference will be:

D = S1 - S2 = (T₁ + T₂ + ... + T₉₉ + T₁₀₀) - (T₁ + T₂ + ... + T₉₉) = T₁₀₀

And we can find the value of T₁₀₀ if we use the equation for triangular numbers:

T₁₀₀ = (100^2 + 100)/2 = 5,050

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4 years ago

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Is 3 gallons greater than 10 quarts?

Aleksandr-060686 [28]

Yes because 4 quarts is a gallon, making 3 gallons 12 quarts which is larger than 10 quarts.

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4 years ago

Answer this question to get marked as brainliest!!!

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Answer:

Step-by-step explanation:

180 - 90 - 68

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Graph the inequality below on the number line

Daniel [21]

Answer:

Place a filled in dot on the 8 and make a line to the right.

Step-by-step explanation:

hope this helps you :)

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2 years ago