Jackie contributed a batch of baklava to the school bazaar. There are 12 pieces in a batch, and each piece sells for $1.50. If all the baklava is sold, what will Jackie's total contribution to the school be?

The problem describes a situation with 16 girls who are four more than twice the number of boys. By setting up and solving the simple algebra equation 2x + 4 = 16, we find there are 6 boys in the club.

This is a word problem which can be solved using simple algebra. Given that there are 16 girls in the club and the number of girls is four more than twice the number of boys, we can set up the equation:

2x + 4 = 16

Where x stands for the number of boys. Solving this equation, we subtract 4 from both sides to get: 2x = 12. Dividing both sides by 2, we find that there are x = 6 boys in the club.

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Answer:

Step-by-step explanation:

First of all the answer.

[tex]\lim_{n \to -\infty}2^x= 1/ \lim_{n \to \infty}1/2^x = 0[/tex]

[tex]\lim_{n \to -\infty} 1-2^x = 1[/tex]

This approaches 0/1 = 0

The graph is included to show that this is the answer I get.

Answer:

23%

Step-by-step explanation:

156 / 678 * 100 = 23%

The correct answer is 23%

Final answer:

Joshua brought about 23% of his LEGOs to Emily's house, which is calculated by dividing 156 (the number of LEGOs he brought) by 678 (the total number he owns) and then multiplying by 100.

Explanation:

To find what percentage of LEGOs Joshua brought to Emily's house, you divide the number of LEGOs Joshua brought by the total number of LEGOs he owns and then multiply the result by 100.

The formula to find the percentage is:

(Number of items of interest ÷ Total number of items) × 100 = Percentage

So in this case, it would be:

(156 ÷ 678) × 100

First, you perform the division:

156 ÷ 678 = 0.23 (rounded to two decimal places)

Then multiply by 100 to find the percentage:

0.23 × 100 = 23%

Therefore, Joshua brought about 23% of his LEGOs to Emily's house.

Answer:

20 students

Step-by-step explanation:

The percentage of students scoring a B or A = 38 + 25 = 63%

We need to evaluate 63% of the 32 students who did the test

(63/100)*32 = 20.16

Therefore, approximately 20 students earned a B or higher

Answer:

20

Step-by-step explanation:

The percentage of students gaining an A or B = 38 + 25 = 63%

Calculate 63% of the 32 students

63% = [tex]\frac{63}{100}[/tex] = 0.63, hence

0.63 × 32 ≈ 20

Answer:

option c

Step-by-step explanation:

The object reaches -200 degrees C at 15 hrs, coldest temperature it ever achieved

Answer:

The correct option is C.

Step-by-step explanation:

It is given that the temperature of the material in degrees Celsius, y, can be modeled by the following graph, where x represents the time, in hours.

From the given graph it is clear that  

1. The y-intercept is 40, so the initial temperature is 40 degree Celsius.

2.The vertex of the upward parabola is at (15,-200), so material's temperature reaches a minimum -200 degrees Celsius at 15 hours.

3. The material return to its initial temperature after 30 hours because the temperature is 40 degree Celsius at x=30.

Therefore the correct option is C.

Answer:

20.8%

Step-by-step explanation:

5/24= defective

^divide, and multiply by 100 to get percent

:)

The required percentage of defective parts is 20.8%.

The percentage is the ratio of the composition of matter to the overall composition of matter multiplied by 100.

Here,

After a group of 24 parts was tested. 5 were found defective.
The required percentage of the defective parts is given as,
= 5 / 24 × 100%
= 0.208 × 100%
= 20.8%

Thus, the required percentage of defective parts is 20.8%.

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Answer:

i)

Find the attached

ii)

The mathematical model that best fits the data is;

y = 7.19 + 12.8 ln x

Step-by-step explanation:

i)

A scatter-plot can easily be constructed using applications such as Ms. Excel and Stat-Crunch.

In Ms. Excel we first enter the data in any two adjacent columns. Next, highlight the data, then click the insert ribbon and select the scatter-plot option.

Excel returns a scatter-plot chart as shown in the attachment below.

ii)

After obtaining the scatter-plot, we shall need to add a trend line in order to determine the mathematical model that best fits the data given.

Click anywhere inside the chart, then select the design tab under chart tools. Click on the Add Chart element in the upper left corner of the excel workbook and select more trend-line options. This feature will enable us to fit any trend-line to our data.

Select any trend line option ensuring you check the boxes; Display Equation on chart and Display R-squared value on chart.

Find the attached for the various trend-lines.

The mathematical model that best fits the data is;

y = 7.19 + 12.8 ln x

Since it has the largest R-squared value of 0.9905

[tex]\rm y = 7.19 + 12.8\ ln\ x[/tex], in this function, the scatter points follow this function. Then the correct option is C.

The function is an expression, rule, or law that defines the relationship between one variable to another variable. Functions are ubiquitous in mathematics and are essential for formulating physical relationships.

Construct a scatterplot and identify the mathematical model that best fits the data.

Assume that the model is to be used only for the scope of the given data and consider only linear, quadratic, logarithmic, exponential, and power models.

Use a calculator or computer to obtain the regression equation of the model that best fits the data.

You may need to fit several models and compare the values of R2.

A.  [tex]\rm y = 7.82x + 0.844[/tex], in this function, the scatter points do not follow this function.

B.  [tex]\rm y = 6.81 e^{0.316x}[/tex], in this function, the scatter points do not follow this function.

C.  [tex]\rm y = 7.19 + 12.8\ ln\ x[/tex], in this function, the scatter points follow this function. Because the best fits.

D.  [tex]\rm y = 4.40 + 5.00x[/tex], in this function, the scatter points do not follow this function.

The graph is shown.

More about the function link is given below.

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Answer:

acceleration

Step-by-step explanation:

In a speed-time graph, the speed data is on the Y-axis and the time is represented on the X-axis.

A slope is the variation of Y-values over the variation of the X-values between to points.

So, the slope of a speed-time graph would be the variation of the speed over the variation of time.

Let's say your units are m/s for the speed and s for the time.

The slope units would then be calculated by dividing m/s by s... (m/s) / s....

That would give you m/s², which is an acceleration unit.

Answer:

california by 205.2

Step-by-step explanation:

3.8 times 107=406.6-California

1.9 times 106=201.4-Nebraska

205.2

Answer: The Population of California is larger than the population of Nebraska by 20 times

Step-by-step explanation:

Given

Population of California , [tex]P_C=3.8\times 10^{7}[/tex]

and population of Nebraska, [tex]P_N=1.9\times 10^{6}[/tex]

From above data it is clear that the population of California is larger than the population of Nebraska

And Ratio, [tex]\frac{P_C}{P_N}=\frac{3.8\times 10^{7}}{1.9\times 10^{6}}=\frac{38}{1.9}=20[/tex]

Thus the population of California is larger than the population of Nebraska by 20 times

Answer:

  Those line segments are parallel and all the same length.

Step-by-step explanation:

Translation modifies the coordinates of each point the same way, moving the point some distance in some direction. Hence the line segments connecting original to image points will all have the same length and direction.

_____

Comment on the question

The question is pretty open-ended. If it is multiple choice, perhaps there is a choice that more or less expresses the idea above. Otherwise, it is hard to tell what the question is driving at.

Answer:

B

Step-by-step explanation:

You could take these images (if you can visualize it)

And paste it into SM paint, and then reflect it.

But, if you look closely, A is just the notes higher, but not reflected, or changed in any other way.

C the second note is lower in the reflection. The notes shouldn't change in a reflection. Just the order.

To determine the number of small boxes and large boxes shipped, we can set up a system of equations and solve for the variables. In this case, we have two equations based on the total weight and the total number of boxes. By using the elimination method, we can find that 10 small boxes and 12 large boxes were shipped.

To solve this problem, we can set up a system of equations. Let's denote the number of small boxes as x and the number of large boxes as y. We can then write two equations based on the information given:

45x + 75y = 1350 (equation 1)   (since the total weight is 1350 pounds)

x + y = 22 (equation 2)   (since the total number of boxes is 22)

We can solve this system of equations by either substitution or elimination method. Let's use the elimination method. Multiply equation 2 by 45 to make the coefficients of x in both equations equal:

45x + 45y = 990 (equation 3)

Now, subtract equation 3 from equation 1:

45x + 75y - (45x + 45y) = 1350 - 990

30y = 360

y = 12

Substitute the value of y back into equation 2:

x + 12 = 22

x = 10

Therefore, the number of small boxes shipped is 10 and the number of large boxes shipped is 12.

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Pam shipped 10 small boxes and 12 large boxes of paper.

Let's denote:

- x : Number of small boxes of paper.

- y : Number of large boxes of paper.

1. Total number of boxes shipped:

x + y = 22

2. Total weight of the shipment:

[tex]\[ 45x + 75y = 1350 \][/tex]

Now, let's solve these equations step-by-step.

Solve for  x + y = 22

From equation (1):

[tex]\[ x + y = 22 \]\[ y = 22 - x \][/tex]

Substitute  y = 22 - x  into equation (2)

Substitute  y = 22 - x  into equation (2):

[tex]\[ 45x + 75(22 - x) = 1350 \][/tex]

Expand and simplify:

[tex]\[ 45x + 1650 - 75x = 1350 \]\[ -30x + 1650 = 1350 \][/tex]

Solve for x

Subtract 1650 from both sides:

[tex]\[ -30x = 1350 - 1650 \]\[ -30x = -300 \][/tex]

Divide both sides by -30:

[tex]\[ x = \frac{-300}{-30} \]\[ x = 10 \][/tex]

Find y

Now that we have ( x = 10 ), substitute back into ( y = 22 - x ):

[tex]\[ y = 22 - 10 \]\[ y = 12 \][/tex]

- Number of small boxes: 10

- Number of large boxes: 12

Check the total weight:

[tex]\[ 45 \times 10 + 75 \times 12 = 450 + 900 = 1350 \text{ pounds} \][/tex]

This matches the given total weight of 1350 pounds, confirming that our solution is correct.

Answer:

The Experimental Probability of the spinner stopping on Section A is 1/3.

Step-by-step explanation:

Number of time spinner landed on section A = 4

Number of time spinner landed on section B = 5

Number of time spinner landed on section C = 2

Number of time spinner landed on section D = 1

Total Number of spins = 12

[tex]Probability=\frac{Number\:of\;Favorable\:outcome}{Number\:of\:total\;outcome}=\frac{4}{12}=\frac{1}{3}[/tex]

Therefore, The Experimental Probability of the spinner stopping on Section A is 1/3.

The answer is:

The correct option is:

D) [tex](3^{2})^{6}=3^{12}[/tex]

To solve the problem, we need to remember the power of a power property, it's defined by the following way:

[tex](a^{m})^{n}=a^{m*n}[/tex]

When we have a power of a power, we must keep the base and then, the new exponent will be the product between the two original exponents.

So, we are given the expression:

[tex](3^{2})^{6}[/tex]

Then, calculating we have:

[tex](3^{2})^{6}=3^{2*6}=3^{12}[/tex]

Hence, we have that the correct option is:

D) [tex](3^{2})^{6}=3^{12}[/tex]

Answer:

The correct answer is option D).  3^12

Step-by-step explanation:

Points to remember

Identities

(xᵃ)ᵇ = xᵃᵇ

xᵃ * xᵇ = x⁽ᵃ ⁺ ᵇ⁾

xᵃ/xᵇ = x⁽ᵃ ⁻ ᵇ⁾

It is given that (3^2)^6

To find the correct option

(3^2)^6 can be written as, (3²)⁶

By using above identities,  

(3²)⁶ = 3⁽² ˣ ⁶⁾

 = 3¹²

Therefore the correct answer is option D).  3^12

Answer:

c

Step-by-step explanation:

commission is basically 3 percent of what he sells he gets, sooooo 3 percent of 3800 is 114 (3800 × .03 because change the percent to decimal) and add it to his pay :)

Answer:

D

Step-by-step explanation:

Answer:

the answer is C 0.75 to 1.0

Over the intervals 0.25 to 0.5, 0.5 to 0.75, and 0.75 to 1.0, the exponential and linear functions are approximately equal.

To determine over which interval the exponential and linear functions are approximately the same, we first need to define the functions. Let's denote the exponential function as [tex]\( f(x) = e^x \)[/tex] and the linear function as ( g(x) = mx + c ), where ( m ) is the slope and ( c ) is the y-intercept.

Given the intervals, we'll first need to calculate the values of the exponential function at the endpoints of each interval and then find the linear function that best approximates those values. We'll choose the linear function with the same value at the starting point of each interval and approximate the slope ( m ) based on the difference in the exponential function values at the endpoints of the interval.

Let's start with each interval:

1. Interval from 0.25 to 0.5:

  - Endpoint 1:[tex]\( f(0.25) = e^{0.25} \approx 1.284 \)[/tex]

  - Endpoint 2: [tex]\( f(0.5) = e^{0.5} \approx 1.649 \)[/tex]

  - Approximating a linear function starting at ( f(0.25) ):

  [tex]- \( m = \frac{f(0.5) - f(0.25)}{0.5 - 0.25} = \frac{1.649 - 1.284}{0.5 - 0.25} \approx 0.73 \)[/tex]

[tex]- \( c = f(0.25) \approx 1.284 \)[/tex]

    - So, the linear function is [tex]\( g(x) \approx 0.73x + 1.284 \)[/tex]

2. Interval from 0.5 to 0.75:

  - Endpoint 1:[tex]\( f(0.5) = e^{0.5} \approx 1.649 \)[/tex]

  - Endpoint 2: [tex]\( f(0.75) = e^{0.75} \approx 2.117 \)[/tex]

  - Approximating a linear function starting at ( f(0.5) ):

  [tex]- \( m = \frac{f(0.75) - f(0.5)}{0.75 - 0.5} = \frac{2.117 - 1.649}{0.75 - 0.5} \approx 0.934 \)[/tex]

 [tex]- \( c = f(0.5) \approx 1.649 \)[/tex]

    - So, the linear function is [tex]\( g(x) \approx 0.934x + 1.649 \)[/tex]

3. Interval from 0.75 to 1.0:

  - Endpoint 1: [tex]\( f(0.75) = e^{0.75} \approx 2.117 \)[/tex]

  - Endpoint 2: [tex]\( f(1.0) = e^{1.0} \approx 2.718 \)[/tex]

  - Approximating a linear function starting at ( f(0.75) ):

 [tex]- \( m = \frac{f(1.0) - f(0.75)}{1.0 - 0.75} = \frac{2.718 - 2.117}{1.0 - 0.75} \approx 1.202 \)[/tex]

 [tex]- \( c = f(0.75) \approx 2.117 \)[/tex]

    - So, the linear function is [tex]\( g(x) \approx 1.202x + 2.117 \)[/tex]

4. Interval from 1.25 to 1.5:

  - Endpoint 1:[tex]\( f(1.25) = e^{1.25} \approx 3.490 \)[/tex]

  - Endpoint 2: [tex]\( f(1.5) = e^{1.5} \approx 4.482 \)[/tex]

  - Approximating a linear function starting at ( f(1.25) ):

   [tex]- \( m = \frac{f(1.5) - f(1.25)}{1.5 - 1.25} = \frac{4.482 - 3.490}{1.5 - 1.25} \approx 3.946 \)[/tex]

    - [tex]\( c = f(1.25) \approx 3.490 \)[/tex]

    - So, the linear function is[tex]\( g(x) \approx 3.946x + 3.490 \)[/tex]

Now, we can compare each linear approximation to the exponential function within its respective interval:

1. For the interval from 0.25 to 0.5, the linear function [tex]( g(x) \approx 0.73x + 1.284 \)[/tex] is approximately equal to the exponential function [tex]\( f(x) = e^x \).[/tex]

2. For the interval from 0.5 to 0.75, the linear function[tex]\( g(x) \approx 0.934x + 1.649 \)[/tex] is approximately equal to the exponential function [tex]\( f(x) = e^x \).[/tex]

3. For the interval from 0.75 to 1.0, the linear function [tex]\( g(x) \approx 1.202x + 2.117 \)[/tex] is approximately equal to the exponential function [tex]\( f(x) = e^x \).[/tex]

4. For the interval from 1.25 to 1.5, the linear function [tex]\( g(x) \approx 3.946x + 3.490 \)[/tex] is not approximately equal to the exponential function [tex]\( f(x) = e^x \).[/tex]

So, the exponential and linear functions are approximately the same over the intervals from 0.25 to 0.5, 0.5 to 0.75, and 0.75 to 1.0.

Answer:

7,909 ft²

Step-by-step explanation:

If the diameter is 250 ft, that must mean the radius is 125 ft. For this problem, use the formula for area of a sector.

[tex]\frac{58}{360} \pi 125^{2}[/tex]

Answer:

≈ 7,909 ft^2

Step-by-step explanation:

Answer:

  33 ft

Step-by-step explanation:

The distance of interest is apparently not the straight-line distance from the top of the vertical ladder to the ground (20 ft), but the length of the arc the top of the ladder makes as it rotates. That arc length (s) is given by ...

  s = r·θ . . . . . where θ is the angle in radians subtended by the arc

Here, the radius is 20 ft, and the angle is the supplement of 85°, or 95° = (95/180)π radians.

  s ≈ (20 ft)·(1.65806 radians) ≈ 33.16 ft ≈ 33 ft

Answer: 76 child tickets were sold that day.

Step-by-step explanation:

You need to set up a system of equations.

Let be "c" the number of child tickets sold that Wednesday and "a" the number of adult tickets sold that Wednesday.

Then:

[tex]\left \{ {{a+c=173} \atop {9.40a+5.70c=1345.0}} \right.[/tex]

Using the Method of Elimination, you can multiply the first equation by -9.40, then add both equations and finally solve for "c":

[tex]\left \{ {{-9.40a-9.40c=-1626.2} \atop {9.40a+5.70=1345.0}} \right.\\..................................\\-3.7c=-281.2\\\\c=\frac{-281.2}{-3.7}\\\\c=76[/tex]

Answer:

B

Step-by-step explanation:

If we imagine this is on a clock, then point P is at the 9-o'clock position.  When we rotate it 90 degrees clockwise, that's a quarter rotation, so P' will be at the 12-o'clock position.  So the coordinates of P' will be (0, 5).

Answer:

20 centimeters

Step-by-step explanation:

27 / x = 12

x = 2.25 times

width would be 45 / 2.25 = 20 centimeters

Answer:

1/7

Step-by-step explanation:

Answer:

i think it would be 1/7 also

Step-by-step explanation:

Answer:

The minimun portion of inches that can be measured with the ruler is 1/16''.

Step-by-step explanation:

The precision , what is the minimun measurement that can be aprecciated by the ruler can be determined counting the number of disivion within 2 units.  To this ruler we can count 16 division bwtween one unit and asecutive one.

Answer:

360,000

Step-by-step explanation:

The exclamation point is factorial:

9! = 9×8×7×6×5×4×3×2×1 = 362880

5! = 5×4×3×2×1 = 120

4! = 4×3×2×1 = 24

362880 - 120× 24 = 360000

Answer:

What do I love to do?

What brings me joy?

What am I naturally good at?

Answer is all of the above - last choice

Answer:

Step-by-step explanation:

If we change those mixed fractions to improper we will have a much easier time with them:

[tex]\frac{\frac{10}{3} }{\frac{13}{5} }[/tex]

Now that looks horrible.  The rule for dividing fractions by fractions is a simple one, thankfully.  Bring the bottom fraction up next to the top fraction, then flip it upside down and change the sign to multiplication:

[tex]\frac{10}{3}[/tex]×[tex]\frac{5}{13}[/tex]

Multiply straight across the top and straight across the bottom to get

[tex]\frac{50}{39}[/tex]

Depending upon what your teacher calls "simplest form", this form may be the simplest, or the mixed fraction may be the simplest.  The mixed fraction equivalent to this improper is

[tex]1\frac{11}{39}[/tex]

Answer:

fraction is 2/4

Step-by-step explanation:

Answer:

20 %

Step-by-step explanation:

10000/200000

The percentage of the company she owns is equivalent to 5%.

In mathematics →

Given is that if Ruth contributed $10,000 toward the total group investment of $200,000 for the purchase of a seafood restaurant.

Assume that the percentage of the company she owns is equivalent to [x] percent. So, we can write -

10000 = [x]% 0f 200000

10000 = [x]/100 × 200000

10000 = [x] × 2000

[x] = (10000/2000)

[x] = 5%

Therefore, the percentage of the company she owns is equivalent to 5%.

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Answer:

A) 3x

Step-by-step explanation:

The total of all the volumes is ...

(x -1) + (x) + (x +1) = (1+1+1)x +(-1+1) = 3x+0 = 3x . . . . . matches choice A

Answer:

  D. 4 jump ropes, 3 people, 15 friends

Step-by-step explanation:

In order to answer the question how many friends could play, you need to be able to determine the smaller of ...

You can find the first of these numbers using the values of answer A, but if the number of Franklin's friends is smaller than 12, then you need to know that in order to properly answer the question. Hence, we believe you need to know ...