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Afina-wow [57]
3 years ago
5

What is the life expectancy of a circulating bill

Mathematics
1 answer:
Diano4ka-milaya [45]3 years ago
3 0

Answer:

The life expectancy of a circulating coin is 25 years. The life expectancy of a circulating dollar bill is only 1/20 as long.

Step-by-step explanation:


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Test scores are normally distributed with a mean of 100 and a standard deviation of 15. an​ individual's iq score is found to be
Mnenie [13.5K]
Z score=(data value-mean)/standard deviation
z=(90-100)/15=-0.6666666667
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Eight hours equals how many minutes
kvv77 [185]

480. 8 x 60 would equal 480

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Which graph represents a function? A coordinate plane shows 4 points with the following coordinates: (negative 3, 3), (negative
Jet001 [13]

The ordered pair that represents a function is:

⇒ (-3, 3), (-2, -2), (1, 1), (2, -2)

<u>What are Coordinates?</u>

A pair of numbers that describe the exact position of a point on a cartesian plane by using horizontal and vertical lines are called the coordinates.

The given points are;

(-3, 3), (-3, -3), (-1, 1), (1, 4)

(-3, 3), (-2, -2), (1, 1), (2, -2)

(-3, 3), (-3, -3), (1, -4), (1, 1)

(-4, 4), (-4, 1), (-2, 1), (2, 1)

Now, For an ordered pair to be a function, either of the following must be true:

Each x-value has exactly one corresponding y-value.

More than one x-values have the same corresponding y-values.

And, If any of the following conditions is true, then the ordered pair is not a function,

One x-value has multiple corresponding y-values.

More than one x-values have multiple corresponding y-values.

From the given options, only ordered pair  (-3, 3), (-2, -2), (1, 1), (2, -2) satisfies the condition to be a function.

Because none of its x-values have multiple corresponding y-values.

And, Other ordered pairs are either one-to-many or many-to-many.

So, The ordered pair that represents a function is:

⇒  (-3, 3), (-2, -2), (1, 1), (2, -2)

To learn more about ordered pairs visit:

brainly.com/question/19267542

#SPJ1

4 0
1 year ago
If x &gt; 0, which of the following is positive? <br> 1. -x<br> 2. x^2<br> 3. (-x)^3<br> 4. 1/-x
lapo4ka [179]

Answer:

x^2

Step-by-step explanation:

x > 0~\text{means that x is positive number.}

\text{Square of both negative and positive numbers are always positive.}\\\\\text{So,}~ x^2~\textbf{is positive.}

3 0
2 years ago
Christopher is deciding between two landscaping companies for his place of business.
Eddi Din [679]

Answer:

A=30t+200

B=50t+100

The number of hours,t, that would make the cost of each company the same is 5.

30(5)+200= A

  150+200=350

50(5)+100= B

  250+100=350

Step-by-step explanation:

3 0
3 years ago
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