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3 years ago

Is the sequence 5, 9, 15, an arithmetic sequence? Explain.

Mathematics

1 answer:

igor_vitrenko [27]3 years ago

6 0

Answer:

Step-by-step explanation:

An arithmetic sequence has a common difference between adjacent terms. Here, the differences are ...

9 -5 = 4
15 -9 = 6

The differences are different, not common, so this is NOT an arithmetic sequence.

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miv72 [106K]

Answer:

Step-by-step explanation:

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3 years ago

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The area of a parallelogram on the map is 5cm*2. What is the area of the actual parallelogram? Explain why you can find the area

tatiyna

Step-by-step explanation:

Area=5×50m

=250m²/25000cm²

since they gave us the area of a parallelogram on a map and a scale there's no need to know the dimensions.

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2 years ago

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2 years ago

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The mean of 5 numbers is ten I add one now the mean is 11 which number did I add?

Leno4ka [110]

Answer:

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Step-by-step explanation:

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2 years ago

A healthy human heart beats about 1,533,000 times a year. A sparrow's heart beats about 241,776,000 times in a year. About how m

Galina-37 [17]

Answer:

About 158 times

Step-by-step explanation:

Represent the rate of human heart with H and sparrow's heart with S

$H = 1,533,000\ times$

$S = 241,776,000\ times$

Required

Determine how many times faster is S than H

To do this, we simply divide S by H i.e.

$Number = \frac{S}{H}$

$Number = \frac{241,776,000}{1,533,000}$

$Number = 157.714285714$

$Number = 158$ --- approximated

Hence, the sparrow's heart beats about 158 times faster than the human hearts

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2 years ago