i need help!!!! does anyone know this..!!???

I Need Help!!!! Does Anyone Know This..!!???

Answers

Answer 1

The period of the frequency factor b that is given in the diagram above would be = 0.2 sec.

How to determine the period of the frequency factor b given above?

The frequency of a water wave is defined as the number of times the wave completes a cycle within a given period of time. While the period is the time it takes for the completion of a cycle.

The dot the represents the frequency factor b is the green dot on the wave table. Therefore the period as traced from the graph= 0.2 sec.

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Related Questions

What is the slope of the line that runs through points (-1,-7) and (2,5)?  Write the equation of that line.

Answers

Write slope intercept form general for the equation

y = mx + b

in this equation m = Y/X.

Y = y - y'

X = x - x'

then find m

m= (-7 -5)/ (-1 -2) = -12/-3 = 4

then equation becomes

y = 4x + b

b = y - 4x . Replace (x,y) = ( -1,-7)

b= -7 -4•(-1) = -3

Then finally eqaution of that line is

y = 4x -3

What should you substitute for x in the second equation (bottom equation) in order to solve the system by the substitution method?

What should you substitute for x in the second equation (bottom equation) in order to solve the system

Answers

We substitute -1+1/6y for x in the second equation (bottom equation) in order to solve the system by the substitution method.

The given system of equations are 2x-1/3y = -2...(1)

3x+y=1...(2)

We solve this system of equations by using substitution method.

Let us solve for x in equation to substitute it in equation (2).

2x=-2+1/3y

Divide both sides of equation by 2.

x=-1+1/6y

Now plug in the value of x in equation 2.

Hence, we substitute -1+1/6y for x in the second equation (bottom equation) in order to solve the system by the substitution method.

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Will give brainliest and thanks and please explain

Will give brainliest and thanks and please explain

Answers

Answer:

(65-5) / 2.5 = d

Step-by-step explanation:

100% sure

Answer:

d=65/2-5

26days

Step-by-step explanation:

pls help i dont get it​

pls help i dont get it

Answers

Answer:

Step-by-step explanation:

Answer: You can add 5. The question is asking you what can you do to make both sides equal 8. I am not a professional but I hope that helped.

Find the surface area of the regular pyramid

Find the surface area of the regular pyramid

Answers

24ft^2 I think this is right :)

-4(6x + 7) = -316 What is the answer?

Answers

Answer:

\(x=-\frac{43}{3}\)

Step-by-step explanation:

\(-4(6x+7)=-316 \\ \\ 6x+7=-79 \\ \\ 6x=-86 \\ \\ x=-\frac{43}{3}\)

Answer:

x=12

Step-by-step explanation:

hope this helps! -4(6x + 7) = -316=x=12

-4(6x + 7) = -316 What is the answer?

What’s the correct answer for this?

Whats the correct answer for this?

Answers

Answer:

167

Step-by-step explanation:

Find the critical value
χ2R
corresponding to a sample size of 5 and a confidence level of 99.0 percent

Answers

The critical value, given the sample size of 5 and the confidence level of 99. 0 percent would be 16. 812.

How to find the critical value ?

The critical values for the chi-squared (χ^2) distribution depend on the degree of freedom and the level of significance.

The degree of freedom for a chi-squared distribution typically equals the sample size minus 1 so the degrees of freedom here is:

= 5 - 1

= 4

The level of significance would be:

= 1 - 99. 0 %

= 0. 01

The critical value of the sample would therefore be found on a chi -squared distribution table for df = 4 and α = 0.01 to be 16. 812.

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A line includes the points (0, 3) and (-9, 4). What is its equation in slope-intercept form?​

Answers

Answer:

y = (-1/9)x + 3

Step-by-step explanation:

rise/run = -1/9

skee ball refer to exercise 4. make a histogram of the probability distribution. describe its shape.

Answers

Ten to fifty is the range of the scores. The most frequent result is a 10 with a right-skewing bias.

Probability histogram

The height of each bar must be equal to the probability, the width of each bar must be the same, and the bars must be centered on the amount of money gathered.

The distribution is skewed to the right because the highest bar in the histogram is to the left and there is a tail of lower bars to its right.

The most frequent score is 10 due to the fact that the top bar in the histogram is centered at 10.

The result is:

Ten to fifty is the range of the scores.

The most frequent result is a 10 with a right-skewing bias.

Ten to fifty is the range of the scores.

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skee ball refer to exercise 4. make a histogram of the probability distribution. describe its shape.

find the value of trigonometric ratio ​

find the value of trigonometric ratio

Answers

The angle at the left=180-90-59=31
So for this I use sin rule
28/sin90=X/sin31
x=28sin31/sin90
x=14.4(nearest tenth)

someone please help me answer this!!

someone please help me answer this!!

Answers

Answer:

5.5 x 10 ^ 0

Step-by-step explanation:

5.5x10^ he would be right

Question 2 The current report quantitatively analyzes three variables - load factors, revenue passenger mile, and available seat miles for American Airlines. The data retrieved for the analysis was extracted from the Bureau of Transportation Statistics, focusing on domestic flights from January 2006 to December 2012. The quantitative analysis focused on finding critical statistical values like mean, median, mode, standard deviation, variance, and minimum/maximum variables. Table 2: Summary Statistics of American Airlines (Domestic) Revenue Passenger Miles Mean 6,624,897 Median 6,522,230 Mode NONE Minimum 5,208,159 Maximum 8,277,155 Standard Dev 720,158.571 Variance 518,628,367,282.42 Load Factors Mean 82.934 Median 83.355 Mode 84.56 Minimum 74.91 Maximum 89.94 Standard Dev 3.972 Variance 15.762 Revenue Passenger Miles 9000000 8000000 7000000 6000000 5000000 4000000 3000000 2000000 1000000 0 0 10 American Airlines (Domestic) Performance 20 30 ● Revenue Passenger Miles 40 50 Load Factors Available Seat Miles 60 Mean 7,984,735 Median 7,753,372 Mode NONE Minimum 6,734,620 Maximum 9,424,489 Standard Dev 744,469.8849 Variance 554,235,409,510.06 70 80 Linear (Revenue Passenger Miles) 90 100 Figure 1: American Airlines (Domestic) Performance Write a report based on the given data. Please include additional tests such as hypothesis testing, skewness, z statistic, level of significance, and other necessary tests, as well as a discussion of the results obtained.​

Answers

The z-statistic test was conducted to determine the Deviation of RPM, ASM, and LF from the mean. The test indicates that RPM, ASM, and LF significantly deviate from the mean.

Report on the Analysis of American Airlines (Domestic) PerformanceThe quantitative analysis focused on three variables- load factors, revenue passenger miles, and available seat miles for American Airlines.

The Bureau of Transportation Statistics data for domestic flights from January 2006 to December 2012 was retrieved for the analysis. The quantitative analysis also focused on finding critical statistical values like mean, median, mode, standard deviation, variance, and minimum/maximum variables. The results of the data are summarized in Table 2. Revenue Passenger Miles (RPM) mean is 6,624,897, the median is 6,522,230, and mode is NONE. The minimum is 5,208,159 and the maximum is 8,277,155. The standard deviation is 720,158.571, and the variance is 518,628,367,282.42.

Load Factors (LF) mean is 82.934, the median is 83.355, and mode is 84.56. The minimum is 74.91, and the maximum is 89.94. The standard deviation is 3.972, and the variance is 15.762. The Available Seat Miles (ASM) mean is 7,984,735, the median is 7,753,372, and mode is NONE. The minimum is 6,734,620, and the maximum is 9,424,489. The standard deviation is 744,469.8849, and the variance is 554,235,409,510.06.Figure 1 above displays the performance of American Airlines (Domestic).

The mean RPM is 7,984,735, and the linear regression line is y = 50584x - 2.53E+8. The linear regression line indicates a positive relationship between RPM and year, with a coefficient of determination, R² = 0.6806. A coefficient of determination indicates the proportion of the variance in the dependent variable that is predictable from the independent variable. Therefore, 68.06% of the variance in RPM is predictable from the year. A one-way ANOVA analysis of variance test was conducted to determine the equality of means of three groups of variables; RPM, ASM, and LF. The null hypothesis is that the means of RPM, ASM, and LF are equal.

The alternative hypothesis is that the means of RPM, ASM, and LF are not equal. The level of significance is 0.05. The ANOVA results indicate that there is a significant difference in means of RPM, ASM, and LF (F = 17335.276, p < 0.05). Furthermore, a post-hoc Tukey's test was conducted to determine which variable means differ significantly. The test indicates that RPM, ASM, and LF means differ significantly.

The skewness test was conducted to determine the symmetry of the distribution of RPM, ASM, and LF. The test indicates that the distribution of RPM, ASM, and LF is not symmetrical (Skewness > 0).

Additionally, the z-statistic test was conducted to determine the deviation of RPM, ASM, and LF from the mean. The test indicates that RPM, ASM, and LF significantly deviate from the mean.

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The tables of ordered pairs represent some points on the graphs of two lines. What is the solution to the system of equations represented by the two lines? There are no zeroes on the chart. What do I do

Answers

To find the solution to the system of equations represented by the two lines based on the given tables of ordered pairs, you can follow these steps:

Examine the tables and identify a pattern or relationship between the x-values and y-values for each line.Determine the slope (rate of change) of each line by calculating the difference in y-values divided by the difference in x-values for any two points on the line.Once you have the slopes, compare them to see if they are equal or different.If the slopes are different, the lines intersect at a single point, which represents the solution to the system of equations.If the slopes are equal, the lines are parallel, and there is no solution to the system of equations.If the slopes are different, you can find the intersection point by solving the system of equations using either substitution, elimination, or another suitable method.

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3x+(8x-16) simplest form

Answers

Step-by-step explanation:

3x × 8x- 3x×16

24x -48x

-24x

A carton contains 5 1/2 cups of juice one servings is 3/4 of cup how many servings of juice are in carton

Answers

Answer:

7 1/3 servings

Step-by-step explanation:

0.75x=5.5

x=5.5÷0.75

x=7.33333

 -or-

7 1/3 servings

solve y/2 + 22 =38 for y

Answers

Answer:

y = 32

Step-by-step explanation:

\(\frac{y}{2}+22=38\\\frac{y}{2}=16\\y=32\)

Answer:

y=32

Step-by-step explanation:

y/2 + 22 =38

Subtract 22 from each side

y/2 + 22-22 =38-22

y/2 = 16

Multiply each side by 2

y/2 *2 =16*2

y = 32

A $5000 principal is invested in two accounts, one earning 1% interest and the another earning 6% interest. If the total interest for the year is $170, then how much is invested in each account?

Answers

Answer: in the 1% account we have $2600 and in the 6% account we have $2400.

Step-by-step explanation:

We have two amounts A and B such that:

Where A is the amount invested in the 1% earning interest account and B is the amount invested in the 6% earning interest account.

A + B = $5000,

If the interest is yearly, then we have that, after one year, the interest is:

A*(1%/100%) + B*(6%/100%) = $170

A*0.01 + B*0.06 = $170

So we have two equations:

A + B = $5000

A*0.01 + B*0.06 = $170

In the first equation we can isolate A and get:

A = $5000 - B

and replace it in the other equation:

($5000 - B)*0.01 + B*0.06 = $170

$50 + B*0.05 = $170

B*0.05 = $120

B = $120/0.05 = $2400

Then A = $5000 - $2400 = $2600.

I'll Give brainliest to whoever answers is correct

I'll Give brainliest to whoever answers is correct

Answers

Answer:

52

Step-by-step explanation:

RTQ is 52 because if PTR is a right angle, right angles equal 90 degrees. So if PTQ is 38 degrees, we subtract 38 from 90 to get RTQ. 90-38 equals 52.

Answer:

52 degrees

Step-by-step explanation:

right angle = 90

90-38=52

So RTQ = 52 degrees

3/4 of a number is greater than 3/16 of the same number by 81. What is 1/2 of the number?

Answers

Answer:

  72

Step-by-step explanation:

The given word description can be translated to math symbols this way, when x represents the number:

  3/4x -3/16x = 81

Multiplying by 16 gives ...

  12x -3x = 1296

  9x = 1296 . . . . . . simplify

We want to find the value of half the number, so we can divide this by 18 to get ...

  x/2 = 1296/18 = 72

Half the number is 72.

Sandip wants to paint two walls in his room. If the height of the room is 2.5 m and the width of both walls is 4 m, calculate the area that Sandip needs to paint? m2​

Answers

Sandip wants to paint two walls in his room. If the height of the room is 2.5 m and the width of both walls is 4 m. The area that Sandip needs to paint is 20m².

To find the the area that Sandip needs to paint.

What is rectangle?

A rectangle is a type of quadrilateral that has its parallel sides equal to each other and all the four vertices are equal to 90 degrees.

Given that:

The room is in rectangular shape so

Length=2.5m

Breadth=4m

Area of wall=length*breadth

=2.5×4

 =10m²

Thus, it is the area of one wall.

Therefore, area of 2 walls = 2×area of 1 wall

  =10×2

  =20m²

Therefore, the area that Sandip needs to paint is 20m².

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A becerage is made bye 3 parts of water 5 parts of fruit juice how many parts of water are mixed with 1 part off fruit juice

Answers

Answer:

  3/5

Step-by-step explanation:

The given ratio is ...

  water : juice = 3 : 5

Divide both numbers by 5 to see how much water is needed with 1 cup of juice.

  water : juice = (3/5) : 1

3/5 parts of water are mixed with 1 part of juice.

Heeelllllpppp due Monday I give I suck at math??

Heeelllllpppp due Monday I give I suck at math??

Answers

Answer:

13.125

Step-by-step explanation:

Since the triangles are congruent, you would get the equation 4z-7=11z-112.

Then, you would subtract 4z from each side, leaving behing -7=8z-112. Then, you would add 112 to each side, getting 105=8z. Divide both sides by 8, and your answer is z=13.125

helpppppppppppppppppppppppppppppp

helpppppppppppppppppppppppppppppp

Answers

Answer:

1) 90%

2)40%

3)75%

Step-by-step explanation:

the space between 2 lines are considered 10%. so let's take the first one for instance

1) as I said before, the space between 2 lines are considered 10%. So what you are going to use is the 10 times table (it will be a really helpful thing if you know all of the time table from 1 - 10) now what you do is count all the way from 0 till the blue thing ends. but If blue thing ends in the middle like in the picture number 3 then it's considered 5% since it's only halfway

I hope it was hopeful and that you understood

The radius of a circle is 19 cm. Find the area

Answers

Answer: 1134.11

A=3.14*r^2

Step-by-step explanation:

Answer:

a ≈ 1134.11 cm2

Step-by-step explanation:

The formula:

\(a=\pi r^{2}\)

\(a=\pi (19)^{2} =361\pi\)

\(a=1134.11cm^{2}\)

Hope this helps

se spherical coordinates to evaluate the triple integral where is the region bounded by the spheres and .

Answers

The value of the triple integral\(\int \int\int _{E } \frac{e^{-(x^2+y^2+z^2)}}{\sqrt{(x^2+y^2+z^2}}\sqrt{dV}\) by using spherical coordinates \(2\pi(e^{-1}-e^{-9})\).

Given that the triple integral is-

\(\int \int\int _{E } \frac{e^{-(x^2+y^2+z^2)}}{\sqrt{(x^2+y^2+z^2}}\sqrt{dV}\)

E is the region bounded by the spheres which are,

\(x^2+y^2+z^2=1\\\\x^2+y^2+z^2=9\)

In spherical coordinates we have,

x = r cosθ sin ∅

y = r sinθ sin∅

z = r cos∅

dV = r²sin∅ dr dθ d∅

E contains two spheres of radius 1 and 3 () respectively, the bounds will be like this,

1 ≤ r ≤ 3

0 ≤ θ ≤ 2π

0 ≤ ∅ ≤ π

Then

\(\int \int\int _{E } \frac{e^{-(x^2+y^2+z^2)}}{\sqrt{(x^2+y^2+z^2}}\sqrt{dV}\)

\(\int\int\int _{E} \frac{e^{-r^2}}{r}r^2Sin\phi drd\phi d\theta\\\\2\pi \int_{0}^{\pi} \int_1^3 re^{-r^2} dr d\phi\\\\2\pi \int_1^3 re^{-r^2} dr\\\\2\pi(e^{-1}-e^{-9})\)

The complete question is-

Use spherical coordinates to evaluate the triple integral ∭ee−(x2 y2 z2)x2 y2 z2−−−−−−−−−−√dv, where e is the region bounded by the spheres x2 y2 z2=1 and x2 y2 z2=9.

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Geometry B: Fill In the Blank

Geometry B: Fill In the Blank

Answers

Answer:

37.50 UNITS SQUARE.

Step-by-step explanation:

add 6 to 9 you get 15

multiply 15 by 5 you get 75

divide 75 by 2

37.5

I hope it helps bye

Geometry B: Fill In the Blank


What is the range of the exponential function shown below?
f(x)=11•(1/3)^x
A. y<0
B. y>0
C. All real numbers except 11
D. All real numbers

Answers

The range of the exponential function is B. y > 0.

The range of the exponential function f(x) = 11 × (1/3)ˣ can be determined by analyzing the behavior of the function as x approaches positive and negative infinity.

As x approaches positive infinity, (1/3) becomes smaller and smaller, tending towards zero.

f(x) approaches 11 × 0, which is equal to 0.

As a result, the function approaches 0 as x goes to infinity.

On the other hand, as x approaches negative infinity, (1/3)ˣ becomes larger and larger.

Since 1/3 is between 0 and 1, raising it to a negative power causes it to grow exponentially.

f(x) approaches infinity as x goes to negative infinity.

Combining these two behaviors, we can conclude that the range of the function f(x) = 11 × (1/3)ˣ is all positive real numbers, excluding zero.

In other words, the range is y > 0.

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Mary reduced the size of a painting to a
width of 5.4 in. What is the new height if it
was originally 46.5 in height and 32.7 in width?
Round to nearest tenth of an inch.

Answers

By finding the scale factor as a quotient of the two given widths, we will see that the new height is 7.7 in

How to get the new height?

We assume that the height and the width are reduced by the same scale factor.

Such that the scale factor is given by the quotient between the new width and the original width, so we have:

k = 5.4in/32.7in = 0.1651

Then the new height will be the original height times the above number, which gives:

H =  0.1651*46.5 in = 7.7 in

We conclude that the new height of the painting is 7.7 inches.

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Rachel has $56.00. if she buys 3 steaks at $8.99 each and 2 pounds of potatoes for $5.99 from the grocery store, how much money will Rachel have left?

Answers

Answer:

$23.04

Step-by-step explanation:

since each steak is $8.99 and she bought 3 you multiply by 3 then she bought 2 pounds of potatoes for 5.99 so you add that to the cost and then you will get $32.96.To find how much she has left you would subtract this value from $56 since thats the total amount of money she has and then you would get teh answer as 23.04

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