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vodomira [7]
3 years ago
12

9. The Brightline train travels 204 miles in 3 hours, moving at a constant

Mathematics
1 answer:
Sphinxa [80]3 years ago
8 0
The answer is D
3/204= 0.01470588
I know that is how much of an hour it will take to travel an hour so multiply that by the miles
544* 0.01470588= 8
8 Hours
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(a) दिइएको चतुभुर्जको क्षेत्रफल पत्ता
My name is Ann [436]

Answer:

मैं वास्तव में अच्छा हूं

मैं धाराप्रवाह हिंदी बोलता हूं

5 0
3 years ago
How much will a one time investment of $1000 be when invested at 6% for 40 years and compounded annually. Round your answer to t
Vanyuwa [196]

The one time investment of $1000 would worth $10285.72  after 40 years at 6% rate of return

What is annual compounding?

Annual compounding means that the number of times interest is compounded annually is once, compared to semiannual compounding where the interest on the investment is calculated twice a year.

The worth of the investment after 40 years means its future value after having invested $1000 for 40 years using the below formula for future value of a single cash flow:

FV=PV*(1+r)^N

FV=future worth of investment=unknown

PV=initial investment=$1000

r=rate of return=6%

N=number of years of investment=40

FV=$1000*(1+6%)^40

FV=$1000*1.06^40

FV=$1000* 10.2857179371259

FV=$10285.72

Find out more about future value on :brainly.com/question/24703884

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3 0
2 years ago
Read 2 more answers
Solve the trigonometric equation<br> 3-3cosx=2 sin^2 x
Zina [86]
= 3 - 3cos x - 2(1- cos^2 x)
= 2cos^2 x - 3cos x + 1
=(cos x -1)(cosx - 1/2)
   now cos x = 1    or cos x= 1/2 
   draw a graph we get = + ve values
  hence .. 0 ,180,360 and 60,240, degrees in range x<2pi 
  
6 0
3 years ago
Two angles of a triangle are 28 ∘ and 81 ∘ . What is the measure of the third angle?
klasskru [66]

Answer: 71

Step-by-step explanation: A triangle adds up to 180 so you subtract 28 and 81 from 180 to get your answer

6 0
3 years ago
The probability that an individual has​ 20-20 vision is 0.19 0.19. in a class of 70 70 ​students, what is the mean and standard
Ipatiy [6.2K]

Formula to find mean and standard deviation is,

Means = np and standard deviation =\sqrt{n p (1-p)}.

Where n= sample size, p = probability.

According to the given problem, the probability that an individual has​ 20 vision is 0.19 in a class of 70 ​students. So,

p = 0.19 and n = 70.

Hence, the first step is to plug in these values in the above formula to get mean and standard deviation. Therefore,

Mean = np

= 70* 0.19

= 13.3

= 13.300 (Rounded to nearest thousandth.

Standard deviation = \sqrt{np(1-p)}

=\sqrt{70*0.19*(1-0.19)}

=\sqrt{13.3*0.81}

=√10.773

=3.282224855

= 3.282 (Rounded to nearest thousandth).

4 0
3 years ago
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