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Inessa [10]
3 years ago
13

A baseball team played three consecutive home games. The first game was attended by 28,453 people. The second game was attended

by 30,678 people. The third game was attended by 24,234 people. Part A Explain how you can round to estimate the total number of people that attended the three games.
Mathematics
1 answer:
Anna35 [415]3 years ago
3 0

Answer:

add the amount for each day and multiply by 3

Step-by-step explanation:

28453+30678+24234/3

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The opposite of multiplication is division. The opposite of division is multiplication. The opposite of taking a square root is squaring

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Which number is a multile of both 12 and 24
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24 you could find the LCM (least common multiple) which is 24 because 12 + 12 = 24 and 24 is as it is.

Step-by-step explanation:

12, 24

24

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What are problem solving skills needed in math matrices?
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For solving varible's and for real life questions.
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Please help, i need it. I'll give brainliest!
3241004551 [841]

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umm for the second answer one password he could create could be "Lukey12" and maybe or maybe Julie15(its a girlie name) but still its better than nothing and for the first question he could make many passwords depending on his brain and the names he thinks of

Step-by-step explanation:

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2 years ago
Please help me with this math problem!! Will give brainliest!! :)
torisob [31]

Answer:

  m(x)=\begin{cases}-\dfrac{1}{3}(x+4)^2+3&\text{ for }x \le-1\\4\left(\dfrac{1}{2}\right)^x&\text{ for }-1 < x < 3\\-x+5&\text{ for }3\le x\end{cases}

Step-by-step explanation:

The domain is the set of x-values for which the function is applicable. The pieces of a piecewise-defined function are each defined on their own domain. Here, there are three different functions, each defined on a different domain.

From left to right, the function's domain can be divided into the sections ...

  • x ≤ -1
  • -1 < x < 3
  • 3 ≤ x
<h3>x ≤ -1</h3>

This section of the graph looks like a parabola that opens downward. Its vertex is (-4, 3), and it seems to have a scale factor less than 1.

For some scale factor 'a', the function in vertex form is ...

  y = a(x -h)² +k . . . . . . quadratic with vertex (h, k)

  y = a(x +4)² +3

We know the point (x, y) = (-1, 0) is on the curve, so we can use these values to find 'a':

  0 = a(-1 +4)² +3 = 9a +3

  a = -3/9 = -1/3

So, the left-section function is ...

  m(x) = -1/3(x +4)² +3

__

<h3>-1 < x < 3</h3>

The middle section of the graph has increasing slope, so might be a parabola or an exponential function. We note the average rate of change goes from -4 in the interval (-1, 0) to -2 in the interval (0, 1) to -1 in the interval (1, 2). The slope changing by a constant factor (1/2) in each unit interval is characteristic of an exponential function. That factor is the base of the exponent.

The actual values on the curve also decrease by a factor of 1/2 in each unit interval, which tells us the function has not been translated vertically. The y-intercept value of 4 at x=0 tells us the multiplier of the function:

  m(x) = 4(1/2)^x

__

<h3>3 ≤ x</h3>

The funciton in this domain is a straight line. It has a "rise" of -1 unit for each "run" of 1 unit, so its slope is -1. If we extend the line left to the y-axis, we see that it has a y-intercept of 5. Its equation is ...

  m(x) = -x +5

__

Putting the pieces together into one function description, we have ...

  m(x)=\begin{cases}-\dfrac{1}{3}(x+4)^2+3&\text{ for }x \le-1\\4\left(\dfrac{1}{2}\right)^x&\text{ for }-1 < x < 3\\-x+5&\text{ for }3\le x\end{cases}

_____

<em>Additional comment</em>

If the function in the middle section were quadratic, its average rate of change on adjacent equal intervals would form an <em>arithmetic</em> sequence. Because the sequence is <em>geometric</em>, we know it is an exponential function.

8 0
2 years ago
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