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GarryVolchara [31]
2 years ago
14

Convert the decimal below to a fraction in simplest form.0.645

Mathematics
2 answers:
Julli [10]2 years ago
5 0

Answer:

129/200

Step-by-step explanation:

Naya [18.7K]2 years ago
3 0

Step-by-step explanation:

Not in simpilest form: 645/1000

form 2 (final form): 129/200

All  you do is convert the decimal to its fraction and then divide it by the easiest number, which was 5 in this case.

Cheers!

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Evaluate 10x2y-2 for x = -1 and y = -2.
Rzqust [24]

Answer:

38

Step-by-step explanation:

hope it helps u

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3 years ago
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Suppose an airline accepted 12 reservations for a commuter plane with 10seats. They know that 7 reservations went to regular com
kvv77 [185]

Answer:

<h2>See the explanation.</h2>

Step-by-step explanation:

(a)

7 persons will show up for sure, hence there is not any kind of probability here.

The other 5 persons have 50% chance to show up.

The flight will be overbooked, if either 4 will come or 5 will come.

From the total 5 persons, 4 can be chosen in ^5C_4 = 5 ways.

The probability that any four among the 5 will come is 5\times(\frac{50}{100} )^{5} = 5\times(\frac{1}{2} )^{5} = \frac{5}{32}.

The probability that all of the 5 passengers will come is \frac{1}{32}.

Hence, the required probability is \frac{5}{32} + \frac{1}{32} = \frac{6}{32} = \frac{3}{16}.

(b)

The probability that there will be exactly 10 passengers on the flight is ^5C_3\times (\frac{1}{2} )^5 = \frac{20}{2} \times\frac{1}{32} = \frac{10}{32} = \frac{5}{16}.

The probability that there will be no empty seats in the plane is \frac{3}{16} + \frac{5}{16} = \frac{1}{2}.

Hence, probability of having empty seats is 1 - \frac{1}{2} = \frac{1}{2}.

6 0
3 years ago
Solve: 3/4x+4=22 answer?
MariettaO [177]

Answer:

x=24

Step-by-step explanation:

8 0
2 years ago
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Equation 2(4x − 11) = 10.
dedylja [7]
Since you didn't provide instructions, I am going to assune you are being asked to solve for x. To do this, just distribute and simplify.

2(4x-11)=10
Distribute the 2 to the expression (4x-11)
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Add 22 on both sides
8x=32
Divide by 8 on both sides
x=4

~I hope this helps!~
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3 years ago
If using the method of completing the square to solve the quadratic equation
goblinko [34]

Answer:

Step-by-step explanation:

3 0
3 years ago
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