100POINTS! SHOW WORK OR I REPORT

Answer:

23

Step-by-step explanation:

Assume the digits are

1, 4 or 2,3

The number can be 14, 41, 23, 32

Test each one:

14 + 9 = 23 does not work

41 + 9 = 50 does not work

23 + 9 = 32 works

32 + 9 = 41 does not work

Answer:

2/3 feet.

Step-by-step explanation:

The formula for finding the area of a triangle is  A = (B x H)/2. Or, area is equal to base times height, all divided by two. In your case, we don't know the base. If we substitute in values, we get 2/5 = (B x 6/5)/2.

Next, we have to multiply both sides by two, to cancel the "/2." That results in 4/5 = B x 6/5. Then, to isolate the variable, we have to divide both sides by 6/5. 4/5 ÷ 6/5 is 4/5 x 5/6. The fives cancel out, and we are left with 4/6.

Finally, we simplify! 4/6 simplifies to 2/3.

Answer:

2.5

Step-by-step explanation:

8.125/3.25 = 3.25x/3.25

2.5=x

x=2.5

Answer:

Can you redo it's a little too much

Answer:

Bro thats a lot of questions

Step-by-step explanation:

Answer:

i believe the answer is 13,250

Step-by-step explanation:

all i did was divide the 5400/0.40 because i thiink its correct, maybe not

The employer contribute to her retirement plan is $2120.

Many American firms provide 401(k) plans, which are retirement savings plans with favourable tax treatment for the saver. It bears a section number from the United States Internal Revenue Code (IRC).

When a worker enrols in a 401(k), they consent to have a portion of each paycheck put directly into an investing account. A portion or the entire contribution may be matched by the employer. The employee has a variety of investing alternatives, most often mutual funds.

Given:

Jayne contributes $5,300

Now, the contribution of $0.40 for each dollar

So, employer contribute to her retirement plan

= 5300 x 0.40

= $2120

Hence, The employer contribute to her retirement plan is $2120.

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Answer:

x = -6

Step-by-step explanation:

-2x - 4 = 2 - x

-x - 4 = 2

-x = 6

x = -6

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

Answer:

Center: (1,3)

Radius: 6

Step-by-step explanation:

Hi there!

\(x^2-2x + y^2 - 6y = 26\)

Typically, the equation of a circle would be in the form \((x-h)^2+(y-k)^2=r^2\) where \((h,k)\) is the center and \(r\) is the radius.

To get the given equation \(x^2-2x + y^2 - 6y = 26\) into this form, we must complete the square for both x and y.

1) Complete the square for x

Let's take a look at this part of the equation:

\(x^2-2x\)

To complete the square, we must add to the expression the square of half of 2. That would be 1² = 1:

\(x^2-2x+1\)

Great! Now, let's add this to our original equation:

\(x^2-2x+1+y^2-6y = 26\)

We cannot randomly add a 1 to just one side, so we must do the same to the right side of the equation:

\(x^2-2x+1+y^2-6y = 26+1\\x^2-2x+1+y^2-6y = 27\)

Complete the square:

\((x-1)^2+y^2-6y = 27\)

2) Complete the square for y

Let's take a look at this part of the equation \((x-1)^2+y^2-6y = 27\):

\(y^2-6y\)

To complete the square, we must add to the expression the square of half of 6. That would be 3² = 9:

\(y^2-6y+9\)

Great! Now, back to our original equation:

\((x-1)^2+y^2-6y+9= 27\)

Remember to add 9 on the other side as well:

\((x-1)^2+y^2-6y+9= 27+9\\(x-1)^2+y^2-6y+9= 36\)

Complete the square:

\((x-1)^2+(y-3)^2= 36\)

3) Determine the center and the radius

\((x-1)^2+(y-3)^2= 36\)

\((x-h)^2+(y-k)^2=r^2\)

Now, we can see that (1,3) is in the place of (h,k). 36 is also in the place of r², making 6 the radius.

I hope this helps!

Answer:

\(\sqrt{g^2+f^2-c}\)

\(g=-1,f=-3,c=-26\)

so, the Center of the equation is \((1,3)\)

\(\sqrt{(-1)^2+(-3)^2-(-26})\)

\(=\sqrt{1+9+26}\)

\(=\sqrt{36}\)

\(=6\)

OAmalOHopeO

Answer:

Nope

Step-by-step explanation:

It's a exponent, x^2 means x*x so it's actually a function

The total surface area of the prism is determined as  216 cm².

The surface area of the prism is calculated by applying the following formula.

The area of the two triangular faces is calculated as follows;

Area of the two triangles = 2 (¹/₂ x base x height )

Area of the two triangles = 2 (¹/₂ x 6 cm x 4 cm )

Area of the two triangles = 24 cm²

The area of rectangular faces is calculated as follows;

A = ( 5 cm x 12 cm ) + (5 cm x 12 cm ) + ( 6 cm x 12 cm )

A = 192 cm²

The total surface area of the prism is calculated as follows;

Area = 24 cm² + 192 cm²

Area = 216 cm²

The sketch of the triangular prism is in the image attached.

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The total principal and interest payment that Nelson will have to pay after 2 months is $4665.50.

To calculate the total principal and interest payment, we need to determine the interest amount and add it to the principal.

First, let's find the interest amount:

Interest = Principal x Interest Rate x Time

Given:

Principal = $4650

Interest Rate = 2% per year

Time = 2 months

Since the interest rate is given on an annual basis, we need to convert the time from months to years. There are 12 months in a year, so 2 months is equivalent to 2/12 = 1/6 years.

Interest = $4650 x 0.02 x (1/6) = $15.50

Now, we can calculate the total principal and interest payment:

Total Payment = Principal + Interest

Total Payment = $4650 + $15.50 = $4665.50

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Answer:

$20

Step-by-step explanation:

Divide the costs by the number of guests.

1. Number of Guests: 15

Cost: $20 per person

2. Number of Guests: 20

Cost: $20 per person

3. Number of Guests: 35

Cost: $20 per person

4. Number of Guests: 75

Cost: $20

Answer:

48pi cm squred

Step-by-step explanation:

first find area of the circle which is pi x r^2

pi x 3^2 = 9pi

Since there are two circles...

9pi x 2 = 18pi

Then find the area of the rectangle that is wrapped around the circle by finding the circumference of the circle and then multiplying that with the height of the cylinder

circumference of the circle = 2 x pi x r

2 x pi x 3 = 6pi

6pi x 5 = 30pi

Therefore the surface area is

48pi cm squred

Hope this helps!

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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a) Hungary had the lowest total medal count at 491

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b) It's a tie between China and the Soviet Union with 10 games per country.

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c) The mode is 27 since it is the most frequent value in the "total games" column. The mode is not necessarily the largest or smallest value. It's simply the value that shows up the most. It is possible to have more than one mode, but in this case 27 shows up the most times and no other value ties it. The value 27 shows up three times with the countries Italy, Sweden, and the United States

------------------------------------------------------------------------------

d) The range is 875. To find the range, subtract the largest value (max) and the smallest value (min). So we have range = max - min = 1022 - 147 = 875.

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e) Answer: 4

List of countries that got more silver than bronze = {China, Great Britain, Soviet Union, United States}

------------------------------------------------------------------------------

f)

List of countries that got more gold, silver, and bronze compared to Great Britain

{Germany, Soviet Union}

So only two other countries fit the criteria

------------------------------------------------------------------------------

g)

Answer: The Soviet Union had the most medals per game (around 112 medals per game)

Work Shown:

For each row, divide the total medal count (in column F) by the number of games (in column B)

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h)

The country is likely not large enough to participate in enough games, especially when compared to larger countries. They may be specialized in just one or two events, or one or two categories of events.

------------------------------------------------------------------------------

i)

Answer: Gold Medal (vs Soviet Union)

The United States has a total medal count of 2520. The closest competitor is the Soviet Union at 1122

To compare which category (gold, silver, bronze) the US did better at, we'll divide each corresponding medal count for the two countries. We'll have the Soviet Union's count as the numerator and the US as the denominator.

Gold = 440/1022 = 0.4305

Silver = 357/794 = 0.4496

Bronze = 325/704 = 0.4616

The lowest result is one where the US performed best at. The gold percentage is 43.05% meaning the Soviet Union's gold count is roughly 43.05% of the US gold count

------------------------------------------------------------------------------

j)

Answer: Hungary, Italy, Sweden

Explanation:

You'll subtract the min and max for each row to get the range for each country. Sort the ranges from smallest to largest to see the top three countries that have the smallest range.

For example, Australia's highest medal count is at 187 (bronze) and lowest medal count at 147 (gold) so the range here is 187-147  = 40.

The various answers for each of the sections are answered below;

A) Looking at the table on the seventh column, we see that the lowest number of overall medals is 491 and it is gotten by the country Hungary.

B) Looking at the third column of the table, the least number of games a country participated is 10 and there are two countries with that number namely China and the Soviet Union.

C) Mode simply means the most frequently occurring number or event. In this case, under the third column, the most occurring number is 27 games.  

D) Formula for range is;

Range = Highest value - Least Value

Under the Gold Medal Column, highest value is 1022 and least value is 147. Thus;

Range = 1022 - 147

Range = 875.

E) Comparing the Silver and Gold gotten by each country, we can see that the countries that got more silver than bronze medals are; China, Great Britain, Soviet Union, United States. This is a total of 4 Countries.

F) Looking at the table, the only countries that got more gold, silver, and bronze respectively than Great Britain are Germany and Soviet Union.

G) For each country, to get their medals per game rate, we will just divide their medal total by the number of games in which they participated. Thus;

 Australia = 497/26 ≈ 19  

China = 543/10 ≈ 54

France = 713/28 ≈ 25

Germany = 937/24 ≈ 39

Great Britain = 847/28 ≈ 30

Hungary = 491/26 ≈ 19

Italy = 577/27 ≈ 21

Soviet Union = 1122/10 ≈ 112

Sweden = 494/27 ≈ 18

United States = 2520/27≈ 93

Country with most medals per game is Soviet Union with approximately 112 medals per game

H)  Two reasons why a country like Jamaica that is very good in athletics does not feature on the table is because;

- The country is not big enough to participate in many events

- The number of medals in Athletics is nowhere near the total for other events in the Olympic games.

I) The medal category in which the united states far outperformed its closest competitor is in the Gold medal category because the united states had a gold medal count of 2520 while the soviet union had 440 and thus the difference between both Gold medal counts will produce the highest range.

J) The 3 countries had the most evenly distributed number of Gold, Silver and bronze medals are;

Italy with a range of 13

Hungary with a range of 14

Great Britain with a range of 23

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Step-by-step explanation:

\(f(g(x) = 4(2x + 2) - 1 \\ 4(2(5) + 2) - 1 \\ 4(12) - 1 \\ 48 - 1 = 47\)

Answer:

see below

Step-by-step explanation:   6  13  8  09

area = π r²    is the equation to calculate the area of the pool   r = radius

I don't no if the 1.11 ft is the diameter of the radius, so I will use the 1.11 ft as the diameter

diameter = 2×radius

diameter / 2 = radius

area = π (d/2)²   = T (d/2)²              d = diameter      π  = T      

        = 3.14(1.11 / 2)²              

        = 3.14 × (0.555)²

        = 0.9677 ft²    which seems like a small pool!

Answer: 38  think

Step-by-step explanation:

Answer:

ok so

Step-by-step explanation:

874÷23=38

yw:)

Answer:

you could do 2,029 divided by 2 which would give you 1,014.5.

Step-by-step explanation:

The solution to the above equation is exactly one solution. The solution set is (-1, 4)

An equation is an expression that shows the relationship between two or more numbers and variables.

An independent variable is a variable that does not depends on other variable while a dependent variable is a variable that depends on other variable.

Given the equations:

x + y = 3   (1)

and:

x - y = -5   (2)

From both equations:

x = -1, y = 4

The solution to the above equation is exactly one solution. The solution set is (-1, 4)

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A one-to-one correspondence between the set of all positive integers and the set of all rational numbers exists.

By definition, any rational number can be expressed as a fraction a/b, where a and b are integers and b is nonzero. Since any positive integer can be expressed as the fraction a/1, each positive integer can be associated with a rational number a/1.

Thus, there is a one-to-one correspondence between the set of all positive integers and the set of all rational numbers. Furthermore, since any rational number a/b can be expressed as the product of a and b, it can also be associated with the product of two positive integers a and b.

Thus, there is also a one-to-one correspondence between the set of all rational numbers and the set of all positive integers.

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Answer:

she had more than me

Step-by-step explanation:

Answer: $79.50

Step-by-step explanation:

Add together $130 and $125.50 to find out how much she deposited.

$130+125.50=$255.50

Now subtract the amount that was deposited from the total amount in her account.

$335−$255.50=$79.50

Answer:

12100

Step-by-step explanation:

I = PRT

plug in the numbers and don't forget you need to add the first number again

I = 11000 × .10 × 1           + 11000

We can conclude that when multiplying two fractions, the resulting fraction is always less the fraction multiplied together.

Fractions are written as a ratio of two integers a/b. Given the product of the fractions below;

3/4. * 2/9

Multiply the numerator and denominator

3/4. * 2/9 = (3*2)/(4*9)

3/4. * 2/9 = 6/36

3/4. * 2/9 = 1/6

This shows that the product will not be greater than any of the two fractions since the value of 1/6 is less than 3/4 and 2/9. So we can conclude that when multiplying two fractions, the resulting fraction is always less the fraction multiplied together.

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hello

to solve for x, we have to simplify this equation

step one

collect like terms

step two

cross multipy both sides

step three

divide both sides by the coefficient of x

from the calculation above, the value of x is equal to 9

Answer:

Answer:

a). Number of students per teacher= 22 students

b). Number of students per tutor=11 tutors

c). Number of tutors it needs for 132 students =12 tutors

Step-by-step explanation:

An arts Academy requires that;

6 teachers for every 132 students

4 tutors for every 44 students

a). Number of students per teacher

6 teachers for 132 students, meaning for every teacher there are (132/6)=22 students

b). Number of students per tutor

4 tutors for every 44 students, meaning for every tutor there are (44/4)=11

students

c). Number of tutors it needs for 132 students

If for every 11 students they need i tutor, therefor for 132 students they will need= (132/11)=12 tutors

Step-by-step explanation:

The top left graph represents the weight of the radioactive isotope over time.

An exponential function has the definition presented according to the equation as follows:

\(y = ab^x\)

In which the parameters are given as follows:

The parameter values for the function in this problem are given as follows:

a = 96, b = 0.5.

Hence the function is given as follows:

\(y = 96(0.5)^x\)

Two points on the graph of the function are given as follows:

(1,48) and (2, 24).

Hence the top left graph represents the weight of the radioactive isotope over time.

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Answer:

Graph W

Step-by-step explanation:

The given information describes a radioactive decay process, where the weight of the isotope decreases by half at regular intervals. This type of decay is characteristic of exponential decay.

Based on the description, the graph that represents the weight of the radioactive isotope over time would be a decreasing exponential curve, where the y-axis represents the weight of the isotope (in grams), and the x-axis represents time (in hours).

The initial weight of the isotope is 96 grams, and after each subsequent hour, the weight becomes half of what it was in the previous hour. Therefore, the correct graph would start at 96 grams (the initial weight when x = 0) and then decrease by half every hour. It would be a curve that gets closer and closer to zero but never quite reaches it.

Initial weight: 96 grams

After 1 hour: 96 / 2 = 48 grams

After 2 hours: 48 / 2 = 24 grams

After 3 hours: 24 / 2 = 12 grams

After 4 hours: 12 / 2 = 6 grams

After 5 hours: 6 / 2 = 3 grams

So, the points on the graph would be:

Therefore, the graph that represents the weight of the radioactive isotope over time is Graph W.

Answer:

  4 hours

Step-by-step explanation:

For three visits, the electrician earned $40 × 3 = $120 in "per-visit" charges. For working x hours, he earned 20x in "per-hour" charges. The total of these came to 50x:

  120 +20x = 50x

  120 = 30x . . . . . . . . subtract 20x

  4 = x . . . . . . . . . . . . . divide by 30

The electrician worked 4 hours that day.

Given:

The original plan for a stage x feet long and x feet wide had to be made smaller to fit the space.

The stage needs to be 6 feet narrower and 4 feet shorter than her original plan.

To find:

The area

Explanation:

According to the problem,

The length of the smaller stage becomes,

The width of the smaller stage becomes,

So, the area becomes,

Final answer:

The correct option is A.

The area of the smaller stage is,

The book value of a $3,500 computer after 2 years is $2380

How to calculate book value

The book value is gotten by subtracting the product of the initial value and MACRS rate from the initial value.

The book value after 2 years = 3500 - (32% of 3500)

The book value after 2 years = 3500 - (0.32 * 3500) = 2380

The book value of a $3,500 computer after 2 years is $2380

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