50 p o i n t s H U R R Y

Answer:

Step-by-step explanation:

2(80*3)+2(3*200)+2(80*200)=33680cm

Answer:

Step-by-step explanation:

7) a - 4b -c = -20  -------------(I)

3c = -6   ------------------(II)

2a +5c = -22  ---------------(III)

3c = -6    {Divide both sides by 3}

c = -6/3

c = -2

Plugin c = -2 in equation (III)

2a + 5c = -22

2a + 5*(-2) = -22

2a - 10 = -22

 2a     =  -22 + 10

     2a = -12

       a = -12/2

       a = -6

Plugin a = -6 and c = -2 in equation (I)

a - 4b -c = -20

-6 - 4b -(-2) = -20

-6 - 4b + 2 = -20

    -4b - 4 = -20

         -4b = -20 + 4

         -4b = -16

            b = -16/4

            b= -4

8) b = 2a - 9 -----------(I)

3a - 3c = 21 -------------(II)

c = a -5b- 22

-a + 5b + c = -22 -----------(III)

Multiply equation (III) by 3 and then add to equation(II)

(III)*3  -3a + 15b + 3c = -66

(II)       3a + 0b  - 3c  = 21   {Now add}

                  15b          = -45   {Divide both sides by 15}

                             b = -45/15

                              b = -3

Plugin b = -3 in equation (I)  

b = 2a - 9

-3 = 2a - 9    {Add 9 to both sides}

-3 +9 = 2a

2a = 6     {Divide both sides by 2}

 a = 6/2

 a = 3

Plugin a = 3 in equation(II)

3a - 3c = 21

3*3 - 3c = 21

9 - 3c = 21        {subtract 9 from both sides}

   -3c = 21 - 9

    -3c = 12  {Divide both sides by 2}

       c = 12/-3

c = -4

Answer:

3000

Step-by-step explanation:

Answer:

the answer is 3000

Step-by-step explanation:

5000 -2000=3000

Answer:

-14

Step-by-step explanation:

-2(z+11)=6

-2z-22=6

-2z=28

z=-14

represent the days as a variable

days= x

remeber that 80c is the same as $0.80

write an equation that models this situation

solve the equation for x

according to this, after 31.875 days he will have enoght for the hat

Answer:

32 days

Step-by-step explanation:

25.50 / (.80 /day)=  31.875  days <===  so after 32 days he will have enough    

Dependent variable: Rate of failure among the students

Independent variable: Strict teaching practices

Purpose of research: This research can be classified as explanatory. The goal of the research is to understand the impact of strict teaching practices on the rate of failure among students. By examining the relationship between the independent variable (strict teaching practices) and the dependent variable (rate of failure), the research aims to explain the factors influencing student failure rates.

Use of research: This research can be classified as applied. The study is conducted by the education department with the intention of addressing a practical issue related to teaching practices. The findings of the research can be used to inform and improve teaching methods and strategies, potentially reducing the rate of failure among students.

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The equation of the circle with center (3, -4) and a radius of 6 units is (x - 3)^2 + (y + 4)^2 = 36.

The equation of a circle with center (h, k) and radius r is:

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

Substituting the values given, we get:

(x - 3)^2 + (y + 4)^2 = 6^2

Expanding and simplifying, we get the final equation of the circle:

(x - 3)^2 + (y + 4)^2 = 36

Therefore, the equation of the circle with center (3, -4) and a radius of 6 units is (x - 3)^2 + (y + 4)^2 = 36.

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The value of an excel formula that will square this number is,

⇒ N²

We have to given that;

A number is stored in cell a1.

Hence, We can formulate;

Type = N² into the empty cell, in which N is a cell reference that contains the numeric value you want to square.

And, We also get;

To display the square of the value in cell A1 into cell B1,

We can type = A1² into cell B1.

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The no-arbitrage price today of a 5-year $1,000 US Treasury note with a 2% coupon rate and a 4.25% yield to maturity is approximately $908.44, closest to option B: $900.53.

To determine the no-arbitrage price of a 5-year $1,000 US Treasury note with a coupon rate of 2% and a yield to maturity (YTM) of 4.25%, we can use the present value of the future cash flows.First, let's calculate the annual coupon payment. The coupon rate is 2% of the face value, so the coupon payment is ($1,000 * 2%) = $20 per year.The yield to maturity of 4.25% is the discount rate we'll use to calculate the present value of the cash flows. Since the coupon payments occur annually, we need to discount them at this rate for five years.

Using the present value formula for an annuity, we can calculate the present value of the coupon payments:PV = C * (1 - (1 + r)^-n) / r,

where PV is the present value, C is the coupon payment, r is the discount rate, and n is the number of periods.

Plugging in the values:PV = $20 * (1 - (1 + 0.0425)^-5) / 0.0425 = $85.6427.

Next, we need to calculate the present value of the face value ($1,000) at the end of 5 years:PV = $1,000 / (1 + 0.0425)^5 = $822.7967.

Finally, we sum up the present values of the coupon payments and the face value:No-arbitrage price = $85.6427 + $822.7967 = $908.4394.

Rounding to the penny, the no-arbitrage price is $908.44, which is closest to option B: $900.53.

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Inverse distance weighting is a useful tool for estimating values at unsampled locations in geostatistics. Another advantage of inverse distance weighting is that it allows for the incorporation of multiple variables into the estimation process.

Inverse distance weighting is a method used in geostatistics to estimate values at unsampled locations based on values at surrounding sample locations. It works by assigning weights to the sample points based on their proximity to the unsampled point. The closer a sample point is to the unsampled point, the higher its weight. The weights are then used to calculate a weighted average of the sample values, which is used as the estimate for the unsampled location.
The benefit of inverse distance weighting over a simple average is that it takes into account the spatial variability of the data. A simple average treats all sample points equally, regardless of their distance from the unsampled point. This can lead to inaccurate estimates if there is a high degree of spatial variability in the data. In contrast, inverse distance weighting gives more weight to sample points that are closer to the unsampled point, which is likely to provide a more accurate estimate.
Another advantage of inverse distance weighting is that it allows for the incorporation of multiple variables into the estimation process. For example, if there are two variables of interest (e.g., temperature and precipitation), inverse distance weighting can be used to estimate values for both variables simultaneously. This is not possible with a simple average.
Overall, inverse distance weighting is a useful tool for estimating values at unsampled locations in geostatistics. Its ability to account for spatial variability and incorporate multiple variables makes it a powerful technique for analyzing spatial data.

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Therefore, Horatio can buy approximately 11.83 gallons of gas. However, since he cannot buy a fractional part of a gallon, the actual number of gallons he can buy is either 11 or 12 gallons.

An equation is a mathematical statement that shows the equality between two expressions. Equations are used to solve problems and find solutions to mathematical or real-world problems. They typically involve variables, which are symbols that represent unknown values, and constants, which are known values that are used in the equation. Equations can take many forms, but they generally follow the pattern: expression = expression. Equations are an important tool in mathematics, science, and engineering, and they can be used to model and analyze many different types of systems and processes.

Here,

Horatio has $230, but he wishes to save $160 and spend $24.95 on an oil change. So the amount of money he has left to spend on gas is:

$230 - $160 - $24.95 = $45.05

To find out how many gallons of gas Horatio can buy with $45.05, we can divide the amount of money by the price per gallon:

$45.05 ÷ $3.81/gallon ≈ 11.83 gallons

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Answer:

D} Use the Multilevel List icon.

Step-by-step explanation:

i just took a quiz that had this question and this was the right answer. Hope this helped!

Answer:

D

Step-by-step explanation:

The committee can best catalog the data so it can be used to make meaningful changes by using a database management system (DBMS).

A database management system (DBMS) is a system that enables users to create, read, update, and delete data in a database. The DBMS is a tool that handles all data-related tasks. Organizations employ a DBMS to keep data organized and easy to access and manage.

DBMS provides a set of computerized tools for managing all types of data. A DBMS allows end-users to extract and analyze data from a database.

The committee can use a database management system to ensure that data is organized and easily retrievable. They can employ a DBMS to streamline data entry and report production for high-quality output.

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Answer:

option c is correct

hope it helps

The information that is not sufficient to prove that a parallelogram is a square is the measurement of its angles alone. Additional information about the lengths of its sides is needed to confirm if a parallelogram is indeed a square.

To determine whether a parallelogram is a square, we need to consider both the angles and the side lengths. A parallelogram has opposite sides that are parallel and equal in length, and opposite angles that are congruent. While a square is a special type of parallelogram with four equal sides and four right angles, simply knowing that the angles of a parallelogram are equal is not enough to establish it as a square.

To confirm that a parallelogram is a square, we must also ensure that all four sides are of equal length. In a square, all angles are right angles, and all sides are congruent. Therefore, if we have information about the side lengths of a parallelogram and can verify that they are equal, along with the knowledge that the angles are right angles, then we can conclude that the parallelogram is indeed a square.

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Answer:

slope = \(\frac{5}{4}\)

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

y = \(\frac{5}{4}\) x - \(\frac{7}{4}\) ← is in slope- intercept form

with slope m = \(\frac{5}{4}\)

The probability that you select a greater proportion of orange peanut M&M's than of orange M&M's milk chocolate candies is 0.7881

We have to use the available data to solve this problem

We have The probability 1 = P1 = 20%

= 0.20

We have the probability 2 = p2 = 23%

= 0.23

The difference between p1 - p2

0.20 - 0.23

= - 0.03

n1 = 240

n2 = 240

\(\sqrt{\frac{p1 (1-p1)}{n1} +\frac{p2(1-p2)}{n2} } \\\\\sqrt{\frac{0.20 (1-0.20)}{240} +\frac{0.23(1-0.23)}{240} }\)

= 0.0375

Then Z value = -0.03 / 0.0375

= -0.80

We have to find the p value

The p value = 1 - p(z ≤ -0.80)

= 1 - 2119

= 0.7881

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Answer:

C, $12

Step-by-step explanation:

Every hour worked the employee earns $12. This is a fixed rate and the answer is shown in the 1st slot of the table -- 1 hour = $12

Answer:

12 dollars per hour

Step-by-step explanation:

For each hour worked, we make 12 dollars as show in the first column, 1 hour is 12 dollars

We can check using the last colum

48 dollars / 4 hours = 12 dollars per hour

The sample space of outcomes of the given experiment is {r3, r5, s3, s5, t3, t5}

One spinner has three same-sized sectors labeled = r, s and t

A second spinner has two same-sized sectors labeled = 3 and 5

Given that the each spinner is spun once

The sample space is defined as the set of all possible outcomes of the random experiments. Usually the sample space of the random experiment is represented by the letter S.

Here,

The sample spaces are

= {r3, r5, s3, s5, t3, t5}

The total number of outcomes = 6

Therefore, the sample space is {r3, r5, s3, s5, t3, t5}

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Answer:

A) 843.75 ft³

B) 15.625ft³

C) 54 boxes

Step-by-step explanation:

A) To find the volume of a rectangular prism (the cargo hold is a rectangular prism), you multiply the length, the width and the depth:

Volume = length x width x depth

Volume = 15 x 7.5 x 7.5

Volume = 843.75 ft³ (ft³ or cubic feet is the unit for volume in feet)

B) The volume of a cube (the boxes are cube-shaped) is also found by multiplying the length, the width and the depth:

Volume = length x width x depth

Volume = 2.5 x 2.5 x 2.5

Volume = 15.625ft³

C) To find the amount of boxes that can fit, we see how many times the volume of one box goes into the volume of the cargo hold. Divide the volume of the cargo hold by the volume of the box:

843.75 ÷ 15.625 = 54

Hope this helps, let me know if you want some things explained. : )

Answer:

A.) 10c:1

B.) 20c:$1

c.) 80cm:1.2m ( i Belive)

Step-by-step explanation:

1.) 80/8= 10 8/8=1

2.) 90/4.5= 20 4.5/4.5=1

3/) cannot be simplified

The largest value y can contain after the code runs when x is initialized to 10 instead of 3, is 30.

When x is initialized to 10, the for loop runs for i = 0 to 9. In each iteration, the value of y is updated by adding x to it. Since x is constant and equal to 10, the value of y increases by 10 in each iteration. After the loop completes all 10 iterations, the value of y would be 10 + 10 + 10 + ... + 10 (10 times). This can be calculated as 10 * 10 = 100.

However, since y is a shared variable and subject to concurrent execution, the code does not guarantee sequential updates of y. There can be race conditions where multiple threads try to update y simultaneously. To avoid this, we need to ensure atomicity in updating the value of y.

Assuming atomic updates, the final value of y would be 30. This is because y starts with an initial value of 0, and in each iteration, it is updated by adding x (which is 10 in this case). So, the final value of y can be calculated as 10 + 10 + 10 = 30.

In summary, when x is initialized to 10 instead of 3, the largest value y can contain after the code runs are 30.

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Answer:

The answer is -3.1d+3.2h-18

Step-by-step explanation:

btw, you can use math-way for free answers

Answer:

  x = -1

Step-by-step explanation:

You want the solution to √(2x +27) -4 = 1.

In general, a radical equation is solved by isolating the radical, then raising the equation to a power that makes the radical disappear. Here, that means we will want to square both sides of the equation after we add 4.

  \(\sqrt{2x+27}-4=1\\\\\sqrt{2x+27}=5\qquad\text{add 4}\\\\2x+27=25\qquad\text{square both sides}\\\\2x=-2\qquad\text{subtract 27}\\\\\boxed{x=-1}\qquad\text{divide by 2}\)

The value of x that makes this true is -1.

<95141404393>

Step-by-step explanation:

volume of sphere=4/3πr³

Answer:

V = 4188.79 in^3

Step-by-step explanation:

The volume of a sphere is V = (4/3)(pi)(10 in)^3, or (using a calculator):

V = 4188.79 in^3

Answer:

C. 12x

Each box has 12 envelopes.

The number of total envelopes will be the number of envelopes in a box multiplied by the number of boxes. The number of boxes is unknown, so it is replaced by the variable. This gives us 12x

3(-2x + 4) = -6x - 12 is the equation that has no solutions.

In mathematics, an identity is an equation that is true for all values of the variable(s) in the equation. An identity can be thought of as a special type of equation that does not have a specific solution, since every value of the variable(s) makes the equation true.

The equation that would have no solution is:

10x + 3 = 3 + 10x

This equation can be simplified as follows:

10x + 3 = 3 + 10x

10x - 10x + 3 = 3

0x + 3 = 3

3 = 3

We end up with a true statement, 3 = 3. However, this does not provide any information about the value of x. In fact, we can see that the equation 10x + 3 = 3 + 10x is true for all values of x. Therefore, this equation has no solution, since it does not restrict the value of x in any way.

The other three equations have a solution. For example, in the equation -8+16x = 16x - 8, we can simplify and solve for x as follows:

-8+16x = 16x - 8

-8 + 8 + 16x = 16x

16x = 16x

We end up with an identity, 16x = 16x, which is true for all values of x. Therefore, this equation has infinitely many solutions, since any value of x will make the equation true.

3(-2x + 4) = -6x - 12

-6x + 12 = -6x - 12

-6x + 6x  = - 12 - 12

0  = -24

0  ≠ -24

Therefore, 3(-2x + 4) = -6x - 12 is the equation that has no solutions.

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Complete question:

Which of the following equations would have no solution?

The argument "All cats are mammals. I am a mammal. Therefore, I am a cat" is fallacious and can be shown as such using set theory and a Venn diagram.

Let's represent the sets using a Venn diagram:

   -------------

   |    Mammals   |

   -------------

       /       \

      /         \

     /           \

----          ----

| Cats |        | You |

----          ----

In the Venn diagram, the circle labeled "Mammals" represents the set of all mammals, and the circle labeled "Cats" represents the set of all cats. The region where the circles overlap represents the set of mammals that are also cats.

According to the argument, "All cats are mammals," which means that the set of cats is entirely contained within the set of mammals. This relationship is correctly represented in the Venn diagram.

The argument also states, "I am a mammal," which means that you are part of the set of mammals. In the Venn diagram, your position would be within the circle labeled "Mammals" but outside the circle labeled "Cats."

The fallacy occurs when the argument concludes, "Therefore, I am a cat." This conclusion is not valid because being a mammal does not automatically make you a cat. The Venn diagram clearly shows that there is a region within the set of mammals that is not within the set of cats.

To summarize, the fallacy in the argument arises from incorrectly inferring that being a mammal automatically implies being a cat. The Venn diagram visually demonstrates that being a mammal is a broader category that encompasses various animals, including cats, but being a mammal alone does not make one a cat.

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