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Dafna11 [192]
3 years ago
9

What is the probability that, after making two rolls with a fair (six-sided) die, you find that one or both of the rolls is grea

ter than or equal to 4?
Mathematics
1 answer:
Andreyy893 years ago
5 0
There are 36 total possibilities when one rolls a six sided die. 
<span><span>(1,1)(1,2)(1,3)(1,4)(1,5)(1,6)</span><span>(2,1)(2,2)(2,3)(2,4)(2,5)(2,6)</span><span>(3,1)(3,2)(3,3)(3,4)(3,5)(3,6)</span><span>(4,1)(4,2)(4,3)(4,4)(4,5)(4,6)</span><span>(5,1)(5,2)(5,3)(5,4)(5,5)(5,6)</span><span>(6,1)(6,2)(6,3)(6,4)(6,5)<span>(6,6).
Out of these possibilities there are 3 that make 4.4 that make make 5. 5 that make 6. 6 that make 7. 5 that make 8. 4 that make 9. 3 that make 10. 2 that make 11 and 1 that makes 12. Now add the combinations 3+4+5+6+5+4+3+2+1. The answer would be 33. </span></span></span>
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On monday marco practiced the piano for 7/10 hour. On Tuesday he practiced for 1 1/4 hours each day write a question that involv
Fantom [35]

Step-by-step explanation:

Since we have given that

Number of hour Marco practiced the piano on Monday is given by

\frac{7}{10}

Number of hours Marco practiced the piano on Tuesday is given by

1\frac{1}{4}=\frac{5}{4}\ hours

1) For Adding :

Total number of hours he practiced on both Monday and Tuesday will be

\frac{7}{10}+\frac{5}{4}\\\\=\frac{14+25}{20}\\\\=\frac{39}{20}\ hours

2) For Subtraction,

Number of hour he practiced more on Tuesday than on Monday will be

\frac{5}{4}-\frac{7}{10}\\\\=\frac{25-14}{20}\\\\=\frac{9}{20}\ hours


4 0
3 years ago
Read 2 more answers
Write an expression that shows how to usethe halving and doubling strategy to find 8 x 50
faust18 [17]
Double of 50 is 100, so 28*100=2800, now half of the answer is 2800/2=1400
3 0
3 years ago
Answer fast whoever get it right gets BRAINLIEST!!!
dlinn [17]
Is it d=8/3????......
5 0
2 years ago
Evaluate each expression for the given value of the variable.<br> x + 2x - x - 1; x = 2
MaRussiya [10]

x + 2x - x - 1

  • Substitute 2 for x into the expression.

(2) + 2(2) - (2) - 1

  • Multiply 2 * 2 first.

(2) + (4) - (2) - 1

  • Solve from left to right.
  • (2 + 4) - 2 - 1 = 6 - 2 - 1

6 - 2 - 1

  • Solve from left to right.
  • (6 - 2) - 1 = 4 - 1

4 - 1 = 3

<h3>Your answer is 3.</h3>
6 0
3 years ago
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A painter is hired to paint the interior walls of a large warehouse. The function f(x)=20,000−40x models the area in square feet
Leto [7]

Insert x = 100 and x = 200 in the function

f(100) = 20,000 - 40*100

= 20,000 - 4000

= 16,000


f(2)) = 20,000 - 8,000 = 12,000

So its choice C  ,  All reals between 12,000 and 16,000 inclusive.

4 0
3 years ago
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