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irinina [24]
2 years ago
10

Mr jacob has 4 white beans and 8 black beans what is thr frction of the black beans 1/3 4/8 8/4 2/3

Mathematics
2 answers:
Serggg [28]2 years ago
8 0

Explanation:

<u>We know that:</u>

  • White beans: 4
  • Black beans: 8
  • Total number of beans: 4 + 8 = 12

The fraction of the black beans is the number of black beans divided by the total number of beans.

Solution:

<u>Fraction of black beans: Black beans/Total beans</u>

  • => 8/4 + 8
  • => 8/12
  • => 2/3

<u>Hence, the fraction of black beans is 2/3.</u>

Yanka [14]2 years ago
3 0
If you can give me more information on this I could help you a bit more respond.
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assume that women's heights are normally distributed with a mean of 63.6 inches and a standard deviation of 2.5 inches. find the
drek231 [11]

Answer:

65.3658 inches

Step-by-step explanation:

Let X be the height of a woman randomly choosen. We know tha X have a mean of 63.6 inches and a standard deviation of 2.5 inches. For an x value, the related z-score is given by z = (x-63.6)/2.5. We are looking for a value x_{0} such that P(X < x_{0}) = 0.76, but, 0.76 = P(X < x_{0}) = P((X-63.6)/2.5 < (x_{0}-63.6)/2.5) = P(Z < (x_{0}-63.6)/2.5), i.e., (x_{0}-63.6)/2.5 is the 76th percentile of the standard normal distribution. So, (x_{0}-63.6)/2.5 = 0.7063, x_{0} =63.6+(2.5)(0.7063) = 65.3658. Therefore, the height of a woman who is at the 76th percentile is 65.3658 inches.

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3 years ago
A large truck and a small car have a head-on collision. Which scenario is true?
Nikolay [14]
The answer would be A
5 0
3 years ago
A survey of 500 high school students was taken to determine their favorite chocolate candy. Of the 500 students surveyed, 64 lik
Lyrx [107]

Answer:

466 student

Step-by-step explanation:

The number of students that like at most 2 kinds of these chocolate candies can be gotten from subtracting the number of students that like more than 2 candies from the total number of high school students.

Since 34 like all three kinds of chocolate candy, hence:

Number of students that like at most 2 kinds of these chocolate candies = 500 - 34 = 466

466 students like at most 2 kinds of these chocolate candies

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3 years ago
Need the answer for my hw
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3 years ago
Which system of equations has the same solution as the system below?
worty [1.4K]

Answer: Both A, and C

Step-by-step explanation:

The answer to the first system of equations (2x+2y=16) would be

x=3 and y=5 ( 3x-y=4 )

Which means we have to find out which of the other equations has an x value of 3, and a y value of 5.

If A is 2x+2y=16, then x=3 and y=5

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If B is x+y=16, then x=5 and y=11

         3x-y=4

If C is 2x+2y=16, then x=3 and y=5

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If D is 6x+6y=48 , then x=-2 and y=10

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Both A and C are equal to the first system of equations, which means they are both correct answers.

8 0
3 years ago
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