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ruslelena [56]
4 years ago
14

What is the branch of mathematics that uses variables and operations?

Mathematics
2 answers:
lara [203]4 years ago
8 0

Answer:

algebra, you can check on google as well

Grace [21]4 years ago
5 0

Answer:

Algebra

Step-by-step explanation:

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3 years ago
during a research experiment, it was found that the number of bacteria in a culture grew at a rate proportional to its size. At
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Answer:

10,600

Step-by-step explanation:

The bacteria grew in 2 hours by 800. Divide that and that it by 400 per hour.

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3 years ago
Find the first 5 terms in the sequence an = 2n - 1
JulsSmile [24]

Answer:

1, 3, 5, 7, 9

Step-by-step explanation:

a_n = 2n - 1

n = 1:

a_1 = 2(1) - 1 = 2 - 1 = 1

n = 2:

a_2 = 2(2) - 1 = 4 - 1 = 3

n = 3:

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n = 4:

a_4 = 2(4) - 1 = 8 - 1 = 7

n = 5:

a_5 = 2(5) - 1 = 10 - 1 = 9

Answer: 1, 3, 5, 7, 9

5 0
3 years ago
What is the area of the composite shape
svlad2 [7]
First, let’s find the area of the larger square. We know that the smaller square extend out 2ft and is2ft up. Well take these measures, and subtract the 2ft from the 12 ft at the top, and get 10ft, then add the 2ft to the left side, and find that it’s 6ft. We have these measures: 6ft 6ft 10ft 10ft for the larger rectangle. Let’s find the area. The are formula for a rectangle is Base(10ft) times height(6ft) . Thus 60ftsqrd. Next, let’s do the smaller rectangle. We do the same formula, 4 times 2, and get 8ftsqrd, add them together: 60ft + 8ft = 68ft!
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3 years ago
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