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olchik [2.2K]
3 years ago
12

An amusement park contend the tickets sales over the weekend and found that 51,368 tickets were sold what was the number of tick

ets sold rounded to the nearest hundred
Mathematics
1 answer:
GuDViN [60]3 years ago
3 0
Hi there!

When you round something, is usually the number under 4 (rounded down) or 5 and up (rounded up). This can be done to tens, hundreds, thousands, etc.

Here, look at the hundreths place. The number is under 4, so we round down, right? Not quite. The full number is 368. The number is closer to 400 than 300. So, we round up to 400.

The number you would write is 51,400.

If you found this especially helpful, I'd appreciate if you'd vote me Brainliest for your answer. I want to be able to assist more users one-on-one! :)
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Answer:

5/2

Step-by-step explanation:

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For the answer to the question above, I'll provide a solution to my answer below.
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8 0
3 years ago
A rectangular container measuring 20 inches long by 16 inches wide by 12 inches tall is filled to its brim with water. If 850 cu
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The new height of the water is = 9.34 inches (approx)

Step-by-step explanation:

Given, a rectangular container measuring 20 inches long by 16 inches wide by 12 inches tall is filled to its brim with water.

Let the new height of water level be x inches.

The volume of the container = (20×16×12) cubic inches

                                               =3840  cubic inches

According to the problem,

3840 - (20×16×x) = 850

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5 0
3 years ago
Work out the formula of the nth term in the following quadratic sequence:<br> 19, 15, 9, 1...
Butoxors [25]

In a quadratic sequence we'll get a linear first difference and a constant second difference.  Let's verify that.

n          1   2   3   4

f(n)       19  15  9   1

1st diff   -4  -6  -8

2nd diff     2   2

We see that we got a constant second difference.  We could just extend that and work back up to get more values.

n          1   2   3   4       5    6      7

f(n)       19  15  9   1      -9   -21   -35

1st diff   -4  -6  -8   -10  -12   -14

2nd diff     2   2    2     2    2

That's just an aside; we're after the general formula.  We have

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f(n) = an²  + bn + c

We get three equations in three unknowns,

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That's a 3x3 linear system; it's easy to solve directly.  Subtracting pairs,

4 = -3a - b

6 = -5a - b

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-2 = 2a

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b = -3a -4 = -1

c = 19-a-b = 21

Answer: f(n) = -n² - n + 21

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f(3) = -9 - 3 + 21 = 9, good

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Let's check our extended table, how about

f(7)= -49 - 7 + 21 = -35, good

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