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barxatty [35]
2 years ago
12

Blake tossed a coin 80 times.The coin landed on heads 60 times what is the experimental probability that Blake will toss heads?

show work. Need Help!!!
Mathematics
1 answer:
daser333 [38]2 years ago
6 0
3/4 I think

P.S. please vote this as the best answer :)
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Shira has 20 books on her bookshelf. Of those 15 are about horses, the rest are nature books. What fraction of Shiras books are
givi [52]

Answer:

1/4

Step-by-step explanation:

15 out of the 20 books are horses. 5 of those are nature. 5/20 is the fraction, but can be simplified to 1/4

6 0
3 years ago
Please help me with my math problems
natulia [17]

Answer:

is it subtraction or addition?

Step-by-step explanation:

7 0
2 years ago
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The ages of three siblings are consecutive integers. The sum of their ages is 42. Calculate their ages. *
stealth61 [152]

Answer:

13, 14, 15

Step-by-step explanation:

Let x = age of one of the siblings

Since the age of the siblings are consecutive integers, the age of the next sibling would be x + 1 and the age of the third sibling would be x + 2

x +( x +1) + (x +2) = 42

3x + 3 = 42

collect like terms and solve for x

x = 13

The age of the first sibling is 13

The age of the second sibling is x + 1 = 13 + 1 = 14

The age of the third sibling is x + 2 = 13 + 2 = 15

8 0
2 years ago
If the volume of the pyramid shown is 216 in 3, what is the area of its base?
Juliette [100K]

Answer:

Step-by-step explanation:

volume =1/3×base area×height

216=1/3× A×6

base area=216/2=108 in²

7 0
3 years ago
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Let f(x) and g(x) be polynomials as shown below. Which of the following is true about f(x) and g(x)? f(x) and g(x) are not close
Mrrafil [7]

Answer:

  f(x) and g(x) are closed under multiplication because when multiplied, the result will be a polynomial.

Step-by-step explanation:

The set of all polynomials is <em>closed</em> under addition, subtraction, and <em>multiplication</em>, because performing any of these operations on a pair of polynomials will give a polynomial result.

__

<em>Comment on the question</em>

The wording is a bit strange, because f(x) and g(x) are elements of a set (of polynomials), so cannot be said to be "closed." "Closed" is a property of a set with respect to some function, it is not a property of an element of the set.

6 0
2 years ago
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