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VashaNatasha [74]
3 years ago
5

The sales tax on a surfboard is 12$ .what is the percent of sales tax

Mathematics
1 answer:
sashaice [31]3 years ago
8 0
It will be 12% because if you have 0.12 and you move the decimal 2 spots it will give you 12% try it when you have to turn a decimal into a percent.
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Jane brought x shirts for $20 each and y skirts for $25 each she spent $210 in all. which equation represents this situation 2
miv72 [106K]

Answer:

Part A

20x + 25y = 210 --> D.

Part B

If jane purchased exactly 4 shirts she must have purchased Exactly ___ skirts. (round to the nearest tenth)

20*4 + 25y = 210 --> y = 5.2

is it possible for jane to purchase exactly 4 shirts? ____(yes or no)

no, because she can't buy 5.2 skirts.

5 0
4 years ago
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"If the probability of an event is observed repeatedly during independent repetitions than the ratio of the observed to the tota
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Answer:

This is the Law of <u>large</u> Numbers.

Step-by-step explanation:

The Law of Large numbers states that as the sample size is increased the sample mean value gets closer to the population mean.

That is, as <em>n</em> → ∞ the value of \bar x → μ.

For instance, the theoretical probability of getting a Heads in a toss of a coin is, 0.50.

To check this perform an experiment whether the coin is tossed 20 times.

The probability of heads will be somewhere near 0.50.

Now toss the coins 50 times.

The probability of heads will be now closer to 0.50.

Now toss the coins 100 times.

The probability of heads will be approximately equal to 0.50.

Thus, as the number of tosses was increased the probability of getting a head is closer tot he theoretical probability.

Thus, the complete statement is:

This is the Law of <u>large</u> Numbers.

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3 years ago
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A teacher wants to find out the average number of weekly reading hours of her students. She noted the number of reading hours of
Studentka2010 [4]

A-Either the mean or median; both are 8

7 0
3 years ago
Brian’s grandmother offered to give him a gift of 50% of the amount of money he saved in one year. His grandmother gave him $60.
Mice21 [21]

Answer:

$120

Step-by-step explanation:

7 0
2 years ago
Help me please it’s to hard
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Answer:

r=56

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252= r * 4.5

r * 4.5 = 252

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45r = 2520

r = 56

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3 years ago
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