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hichkok12 [17]
3 years ago
6

To have batting averages over 0.500,how many hits in 45 times at bat would Raul and Karen need

Mathematics
2 answers:
Morgarella [4.7K]3 years ago
6 0
You would have to multiply 0.500(0.5) to 45 and you would get 22.5
shtirl [24]3 years ago
6 0

Answer:

They would need 23 hits at 45 times at bat.

Step-by-step explanation:

Let x be the number of hits.

We can set up the following inequality:  \frac{x}{45} >0.500

Now, multiplying both sides by 45 we get the solution:  

x > 22.5

To have individual batting averages over 0.500, Raul and Karen would each need 23 hits for every 45 times at bat.

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N
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If the question gives you another variable, just switch it out with n
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2 years ago
Which of the following is not a Pythagorean triple?
Ierofanga [76]

Answer:

  (7, 24, 26)

Step-by-step explanation:

A Pythagorean triple must have an odd number of even numbers. The triple (7, 24, 26) is not a Pythagorean triple.

_____

<em>Additional comment</em>

For an odd integer n, a triple can be formed as ...

  (n, (n²-1)/2, (n²+1)/2)

That is, the following will be Pythagorean triples.

  • (3, 4, 5)
  • (5, 12, 13)
  • (7, 24, 25)
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  • (11, 60, 61)

Another series involves even numbers and numbers separated by 2:

  (2n, n²-1, n²+1)

  • (8, 15, 17)
  • (12, 35, 37)
  • (16, 63, 65)

In this list, if n is not a multiple of 2, the triple will be a multiple of one from the odd-number series.

It is a good idea to remember a few of these, as they tend to show up in Algebra, Geometry, and Trigonometry problems.

8 0
2 years ago
Choose all of the equations that are equivalent to 8k = 20
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It’s definitely is A,D, and C
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2 years ago
Read 2 more answers
Jones assembles 200 relays in the same time that Smith assembles 180. When Jones has completed 300 relays, how many will Smith h
Finger [1]

Answer:

270

Step-by-step explanation:

Jones turns out 200 relays to Smith's 180. You set up that basic ratio and make a proportion out of it.

S/J = 180/200

Now you make your proportion

S/J = x/300

But the 2 ratios much remain the same.

180/200 = x / 300                  Multiply both sides by 300

180*300/200 = x                    Multiply the numerator together.

54000/200 = x                       Do the division

270 = x

Smith will have turned out 270 relays.

4 0
3 years ago
nick loaned 550 to his best friend. the friend agreed to pay it back the amount borrowed plus 12% interest. what was the total a
lina2011 [118]
$616 because 550 times .12(12% as decminal) is 66. $66 plus $550 is $616
3 0
3 years ago
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