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ruslelena [56]
3 years ago
8

» f(x) = (x+2)^2 -1​

Mathematics
1 answer:
faltersainse [42]3 years ago
6 0

Answer:

x= 1 thì f(x) = -11ep-by-step explanationábdkjakdkasd :

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2 3/16 as a decimal Express
mestny [16]
The answer is 2.1875
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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
The greatest amount of sap collected from any on tree is ? times as great as the least amount of sap collected from any one tree
prisoha [69]

Answer:

the greatest amount of sap collected from any one tree is two times as great as the least amount of sap collected from any one tree

Step-by-step explanation:

8 0
2 years ago
Can someone solve this math problem for me
Alex

Answer:

2x+60=4x-12

60+12=4x-2x

72=2x

x=72/2

x=36.. ans

Step-by-step explanation:

hope this help you

3 0
2 years ago
Factor 7x3y4−7x2y5 completely.
Anastasy [175]

Answer:

B

Step-by-step explanation:

when we factor completely, we take a look at what is the biggest common factor of 7x³y⁴ and 7x²y⁵. In this case it is 7x²y⁴.

7x³y⁴-7x²y⁵ = 7x²y⁴(x-y) which is B.

7 0
3 years ago
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