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bezimeni [28]
3 years ago
15

The color of any object depends upon which colors are reflected and absorbed. True or False?

Mathematics
2 answers:
Colt1911 [192]3 years ago
7 0

Answer: False If you look at a white object through a glass of any color, it must appear to remain white.

Step-by-step explanation:

SSSSS [86.1K]3 years ago
6 0

Answer:

true

Step-by-step explanation:

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If 2 inches on a map represents 100 miles, how much does 3.5 inches
Sidana [21]

Answer:

175 miles

Step-by-step explanation:

3.5 has 2 miles in it so it has 100 then it has another 1 to make It 3 and half of 2 is ahh it's hard to explain but there's the anwser

4 0
3 years ago
Required information An article presents a new method for timing traffic signals in heavily traveled intersections. The effectiv
Natasha2012 [34]

Answer:

652.6-2.01\frac{311.7}{\sqrt{50}}=563.997    

652.6+2.01\frac{311.7}{\sqrt{50}}=741.203    

So on this case the 95% confidence interval would be given by (563.997;741.203)    

Step-by-step explanation:

Previous concepts

A confidence interval is "a range of values that’s likely to include a population value with a certain degree of confidence. It is often expressed a % whereby a population means lies between an upper and lower interval".

The margin of error is the range of values below and above the sample statistic in a confidence interval.

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

\bar X=652.6 represent the sample mean for the sample  

\mu population mean (variable of interest)

s=311.7 represent the sample standard deviation

n=50 represent the sample size  

Soltuion to the problem

The confidence interval for the mean is given by the following formula:

\bar X \pm t_{\alpha/2}\frac{s}{\sqrt{n}}   (1)

In order to calculate the critical value t_{\alpha/2} we need to find first the degrees of freedom, given by:

df=n-1=50-1=49

Since the Confidence is 0.95 or 95%, the value of \alpha=0.05 and \alpha/2 =0.025, and we can use excel, a calculator or a table to find the critical value. The excel command would be: "=-T.INV(0.025,49)".And we see that t_{\alpha/2}=2.01

Now we have everything in order to replace into formula (1):

652.6-2.01\frac{311.7}{\sqrt{50}}=563.997    

652.6+2.01\frac{311.7}{\sqrt{50}}=741.203    

So on this case the 95% confidence interval would be given by (563.997;741.203)    

6 0
3 years ago
Identify the following for the following graph:
julia-pushkina [17]

Answer:

X-Intercept = (1,0) and (3, 0)

Y-Intercept = (0, 6)

Vertex = (2, -2)

Maximum or Minimum = It is minimum, the vertex is the lowest number.

Axis of Symmetry = x = 2

Zeros = (1, 0) and (3, 0)

Domain = all real numbers

Range = y ≥ -2

8 0
3 years ago
1.3<br> Are there rectangles with the same perimeter? Explain your answer.
ira [324]
Yes because they have the same number of sides
3 0
3 years ago
Which function is negative for the interval [-1, 1]?
Finger [1]

Answer:

Graph number 2

Step-by-step explanation:

See attached image.

8 0
2 years ago
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