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Olenka [21]
3 years ago
10

Help ! and please explain it (: ​

Mathematics
1 answer:
BigorU [14]3 years ago
6 0

Answer:

Step-by-step explanation:

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Are the following lines parallel perpendicular or neither: x=6 and x=12
suter [353]

Answer:

Not Parallel

Step-by-step explanation:

I think so sorry If I'm wrong

5 0
4 years ago
Select the true statement plzzzz need help ASAPPPPP
xxMikexx [17]

Answer:

Correct choice is B

Step-by-step explanation:

All three functions are increasing when x is increasing. You can find values of each function when x is "enough large". For example, at x=100,

1. linear function: y=10\cdot 100=1,000.

2. exponential function: y=5^{100}\approx 0.8\cdot 10^{70}.

3. quadratic function: y=4\cdot 100^2+5\cdot 100=40,500.

As you can see,  when x approaches positive infinity, the exponential function will exceed both the linear and the quadratic functions.

Also you can use graphical method to get from the attached diagrams result. When x approaches positive infinity, the exponential function will exceed both the linear and the quadratic functions.

Correct choice is B.

5 0
4 years ago
1/6 (12x - 30) + 4x (needs to be simplified) ​
VikaD [51]

Answer:

= 12x/6-30/6+4x

= (12x-30+24x)/6

= (36x-30)/6

= 6x-5

7 0
3 years ago
Read 2 more answers
800+150? please tell me
Sedbober [7]

Answer:

800 + 150 = 950

Step-by-step explanation:

The answer is 950 because if you have $800 and your mom gives you $150 more. You will have a total of $950.

7 0
3 years ago
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Suppose the heights of 18-year-old men are approximately normally distributed, with mean 65 inches and standard deviation 4 inch
Serhud [2]

Answer:

Step-by-step explanation:

<u>a)</u>

  • Given that ; X ~ N ( µ = 65 , σ = 4 )
  • P ( 64 < X < 66 )

From application of normal distribution ;

  • Z = ( X - µ ) / σ, Z = ( 64 - 65 ) / 4,  Z = -0.25
  • Z = ( 66 - 65 ) / 4,  Z = 0.25

Hence, P ( -0.25 < Z < 0.25 ) = P ( 64 < X < 66 ) = P ( Z < 0.25 ) - P ( Z < -0.25 ) P ( 64 < X < 66 ) = 0.5987 - 0.4013

  • P ( 64 < X < 66 ) = 0.1974

b) X ~ N ( µ = 65 , σ = 4 )

  • P ( 64 < X < 66 )

From normal distribution application ;

  • Z = ( X - µ ) / ( σ / √(n)), plugging in the values,
  • Z = ( 64 - 65 ) / ( 4 / √(12)) = Z = -0.866
  • Z = ( 66 - 65 ) / ( 4 / √(12)) = Z = 0.866

P ( -0.87 < Z < 0.87 )

  • P ( 64 < X < 66 ) = P ( Z < 0.87 ) - P ( Z < -0.87 )
  • P ( 64 < X < 66 ) = 0.8068 - 0.1932
  • P ( 64 < X < 66 ) = 0.6135

c) From the values gotten for (a) and (b), it is indicative that the probability in part (b) is much higher because the standard deviation is smaller for the x distribution.

4 0
3 years ago
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