Mario was visiting the carnival when he noticed a few number relationships.He made then into brainteasers for you.
a. If three-tenths of the visitors were adults and there were 100 visitors, how many visitors were adults?
b. Five-eighths of the prizes at the Giant Spin were dolls. If there were 64 prizes, how many prizes were NOT dolls?
Answers
Answer: a) 30 and b) 24.
Step-by-step explanation:
Since we have given that
a) Number of visitors = 100
According to question, we get that If three-tenths of the visitors were adults.
So, number of adults would be
b) Number of prizes = 64
According to question, Five-eighths of the prizes at the Giant Spin were dolls.
So, Number of prizes are not dolls is given by
Hence, a) 30 and b) 24.
B. 5/8 x64/1 =40 dolls
therefore 64-40=24 were not dolls
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The graph of the function f(x) = −3x2 − 3x + 6 is shown. Which statements describe the graph? Check all that apply.-The vertex is the maximum value. -The axis of symmetry is x = -1/2 -The domain is all real numbers. -The range is all real numbers. -The x-intercepts are at (−2, 0) and (1,0). -The function is decreasing from (−∞, 6.75)
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Step-by-step explanation: The number of students and their scores on the geometry test, The bar is the grades for a certain amount of people; bottom, and the scores; bars.
Answers
so each dice has numbers
1,2,3,4,5,6
the eve numbers are
2,4,6
odd are others
1,3,5
so 1/2 are odd
therefor 1/2 of 60 is how many times it would get even
1/2 of 60=1/2 times 60=30
No not good predicition
my prediction would be 30 tiemes
Your Question:
John is about to roll a six-sided, fair number cube 60 times. He wants to predict how many times the cube will land on an even number. He makes a prediction of 20 times. Is it a good prediction? What would your prediction be based on theoretical probability?
My answer:
each dice has these 6 numbers
1,2,3,4,5,6
the even out of all of the numbers are
2,4,6
The others are odd (obviously)
1,3,5
So 1/2 are odd.
1/2 of 60 is the number of times it would get even numbers,
1/2 of 60=1/2 times 60=30
My prediction was 30!
→Jessie←
Answers
also x times 1/x=1 since x/x=1
also x times 1=x
72=r90
divide both sides by 90
72/90=r
0.8=r
r=0.8
Answers
Answer:
27
Step-by-step explanation:
126+27+27=180
Answer: The Answer is 27 (A)
Step-by-step explanation:
Answers
Answer:
a) YES. Repeating decimal
b) YES. Repeating decimal
c) NO. Decimal neither terminates nor repeats
d) YES. Terminating decimal
Step-by-step explanation:
Any rational number can be written as a fraction, that is, a division of integers.
a) The number has a repetitive period of 54. It can be expressed as a fraction because its decimal are repeating forever
b) The number 0.16666... (expressed as a repeating 6) can also be converted to a fraction because it's a repeating decimal
c) The number 0.5473... cannot be expressed as a fraction because the ellipsis (...) means the decimals continue with no limit and no pattern can be found (no repetitive decimal)
d) The number 0.378 can be easily expressed as a fraction because it has a finite number of decimals (no ellipsis) or a terminating decimal
Answers
Yes, that may be possible.
-- When that number is rounded to the nearest hundred millionth,
it becomes 5.05249344 .
-- When that number is rounded to the nearest ten millionth,
it becomes 5.0524934 .
-- When that number is rounded to the nearest millionth,
it becomes 5.052493 .
-- When that number is rounded to the nearest hundred thousandth,
it becomes 5.05249 .
-- When that number is rounded to the nearest ten thousandth,
it becomes 5.0525 .
-- When that number is rounded to the nearest thousandth,
it becomes 5.052 .
-- When that number is rounded to the nearest hundredth,
it becomes 5.05 .
-- When that number is rounded to the nearest tenth,
it becomes 5.1 .
-- When that number is rounded to the nearest whole number,
it becomes 5 .