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Anna11 [10]
3 years ago
12

Simplify . 16x3y2/36xy2z3

Mathematics
1 answer:
dezoksy [38]3 years ago
3 0

\frac{16 {x}^{3} {y}^{2}  }{36x {y}^{2} {z}^{3}  }  =  \frac{4 {x}^{2} }{9 {z}^{3} }  \\   \frac{ {x}^{a} }{ {x}^{b} }  =  {x}^{a - b} \\  {x}^{ - a}   =  \frac{1}{ {x}^{a} }

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zhuklara [117]
145 blue paint are needed to make 28 pints of green paint
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Members of a high school club sold hamburgers at a baseball game to raise money. They sold 278 hamburgers. If the buns come in p
Mariulka [41]
The answer, at least what I got, is 17.375 . They'd have to open an eighteenth package because the extra .375 is not in the original package, so I would go with B . 
5 0
4 years ago
Read 2 more answers
A teacher randomly chooses a two-person leadership team from a group of four qualified students. Three of the students, Sandra,
nata0808 [166]

Answer:

What is P(A), the probability that the first student is a girl? (3/4)

What is P(A), the probability that the first student is a girl? (3/4)What is P(B), the probability that the second student is a girl? (3/4)

What is P(A), the probability that the first student is a girl? (3/4)What is P(B), the probability that the second student is a girl? (3/4)What is P(A and B), the probability that the first student is a girl and the second student is a girl? (1/2)

The probability that the first student is a girl is (3/4), likewise for the 2nd 3rd and 4th it's still (3/4). The order you pick them doesn't matter.

However, once you're looking at P(A and B) then you're fixing the first position and saying if the first student is a girl what's the probability of the second student being a girl.

3 0
3 years ago
What is 119 times 31%
andrezito [222]

Answer:

61.69?

Step-by-step explanation:

Are you asking what 31% of 119 is? If so, then the answer would be 61.69.

Because (119)0.31=61.69

(To make a percent, you take a decimal out of 1, and multiply. 0.31 would be 31, because we would multiply it by 100, becuase you can only get to 100%. Then you woukd do the opposite, reverse it by dividing by 100. Which then, you would get 0.31)

Hope that helped.

4 0
3 years ago
Supervisor a earns a flat rate of $25 per hour, while supervisor b earns $20 per hour for the first 30 hours and then 50% more f
mixas84 [53]
Let same number of hours = x, 
since the salary earned is also the same, then
Salary of supervisor A = $25x
Salary of supervisor B = $20(30)+$30(x-30)
Equating
25x=600+30(x-30)
30x-25x=900-600
5x=300
x=60 hours
Check:
Salary of supervisor A = 25*60=1500
Salary of supervisor B =  20*30+30*(60-30)=600+900=1500, ok.
5 0
4 years ago
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