plz help what’s the answer to this

Answer: 6

if i got this wrong pls let me know <33

Answer:

\(2\left(1+j\right)\)

Step-by-step explanation:

\(2+j\cdot \:2\\=2\cdot \:1+2j\\=2\left(1+j\right)\)

Answer:

195

Step-by-step explanation:

3 x 60 = 180

180 + 15

195

Answer:

90

2.5

Step-by-step explanation:

Based on the fact that Jessica and her best friend split the money and were able to get $16.32, the total amount that they found was $32.64

The fact that they split the money evenly means that they split it in half which each person getting the same amount.

This means that the total amount they found was twice the amount that Jessica and her best friend got.

The total amount found is therefore:

= Jessica's share + Best friend's share

= 16.32 + 16.32

= $32.64

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Each chart consists of a center line representing the average, an upper line indicating the maximum acceptable deviation upwards, and a lower line indicating the maximum acceptable deviation downwards. These components help analyze data and monitor process performance.Option B,E,F.

Each chart has the following three components:

1. B. A center line representing the average: This line is drawn to show the average value or mean of the data being analyzed. It provides a reference point to compare the data points above and below it.

2. E. An upper line representing the maximum acceptable variation upwards: This line is drawn to indicate the upper limit of acceptable variation or deviation from the average. It helps identify if the data points exceed the acceptable range.

3. F. A lower line representing the maximum acceptable variation downwards: This line is drawn to indicate the lower limit of acceptable variation or deviation from the average. It helps identify if the data points fall below the acceptable range.

These three components together create a control chart, which is a graphical representation used in statistical process control. Control charts help monitor and analyze data over time, allowing organizations to identify trends, detect abnormalities, and make data-driven decisions to improve processes and quality.

In summary, each chart consists of a center line representing the average, an upper line indicating the maximum acceptable deviation upwards, and a lower line indicating the maximum acceptable deviation downwards. These components help analyze data and monitor process performance.

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Since none of the 13 classmates had been given math homework between the original survey and Kelly's second survey, the sum of the values in the second data set is the same as the sum of the values in the original data set. Therefore, the change in the means can be determined without calculating the mean of either data set by considering the number of data points in each set.

Since both data sets have the same number of data points, the change in the means will be zero. This is because the mean is calculated by dividing the sum of the values by the number of data points, and since the sum of the values is the same in both data sets, the means will also be the same.

In other words, if the mean of the first data set is x, then the sum of the values in the first data set is 13x (since there are 13 classmates), and the sum of the values in the second data set is also 13x (since none of the values have changed). Therefore, the mean of the second data set will also be x, and the change in the means will be zero.

They sold 400 adult's tickets and 300 children's tickets.

Given:

So let's have a = adult tickets and c = child tickets. Here's what we know:

a + c = 700 (700 total tickets were sold)

2a + c = 1100 (the total proceeds equals $1100.00)

We can use substitution by subtracting a in the first equation:

c = 700 - a

Now that we have a value for a variable, we can plug it into the second equation:

2a + 700 - a = 1100

Simplify:

a + 700 = 1100

a = 1100 - 700

a = 400

Now that we know adults, we can find the children:

c = 700 - a

c = 700 - 400

c = 300

check:

2 * 400 + 300 = 1100

800 + 300 = 1100

1100 = 1100

Hence, They sold 400 adult's tickets and 300 children's tickets.

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Answer:

The rate of change in gasoline is 0.2$ per month.

Step-by-step explanation:

Given that Gas prices have increased steadily from $2.35 per gallon to $3.95 per gallon in 8 months.

Increase 'steadily' means the rate of change is the same throughout the 8 months.

let x represents the time in months, and y represents the gas price

so

at x₁ = 0, y₁ = 2.35

at x₂ = 8, y₂ = 3.95

Let us find the slope or rate of change using the formula

Rate of change = slope = m = [y₂ - y₁] / [x₂ - x₁]

                                              = [3.95 - 2.35] / [8 - 0]

                                               = 1.6 / 8

                                               = 0.2 $ per month

Therefore, the rate of change in gasoline is 0.2$ per month.

Without using a calculator, the trigonometric expressions simplify to:

1. sin^(-1)(sin(θ/6)) = θ/6

2. cos^(-1)(cos(5/4)) = 5/4

3. tan^(-1)(tan(5/6)) = 5/6.

To compute the trigonometric expressions without using a calculator, we can make use of the properties and relationships between trigonometric functions.

1. sin^(-1)(sin(θ/6)):

Since sin^(-1)(sin(x)) = x for -π/2 ≤ x ≤ π/2, we have sin^(-1)(sin(θ/6)) = θ/6.

2. cos^(-1)(cos(5/4)):

Similarly, cos^(-1)(cos(x)) = x for 0 ≤ x ≤ π. Therefore, cos^(-1)(cos(5/4)) = 5/4.

3. tan^(-1)(tan(5/6)):

tan^(-1)(tan(x)) = x for -π/2 < x < π/2. Thus, tan^(-1)(tan(5/6)) = 5/6.

Hence, without using a calculator, we find that:

sin^(-1)(sin(θ/6)) = θ/6,

cos^(-1)(cos(5/4)) = 5/4,

tan^(-1)(tan(5/6)) = 5/6.

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Answer:

Jacob and Bailey went to the playground and collected a total of 351 aluminum cans. Bailey, being a more enthusiastic collector, managed to gather twice as many cans as Jacob. This means that Bailey collected 2/3 of the total cans, while Jacob gathered only 1/3.

The fact that they found so many aluminum cans in the playground shows that recycling is important to the community. By collecting cans, they not only help to keep the environment clean, but also contribute to the conservation of natural resources. It's great to see young people like Jacob and Bailey taking initiative and working towards making the world a better place.
Let's break down the problem into steps:

1. Jacob and Bailey collected a total of 351 aluminum cans from the playground.
2. Bailey collected twice as many cans as Jacob.

Let's use variables to represent the number of cans collected:
- Let J = number of cans Jacob collected
- Let B = number of cans Bailey collected

From the given information, we can create two equations:
1. J + B = 351
2. B = 2J

Now, substitute the second equation into the first equation:
J + (2J) = 351

Combine the terms:
3J = 351

Divide by 3:
J = 117

Now we know that Jacob collected 117 aluminum cans. Since Bailey collected twice as many cans as Jacob, we can calculate the number of cans Bailey collected:

B = 2J = 2(117) = 234

So, Jacob collected 117 aluminum cans, and Bailey collected 234 aluminum cans from the playground.

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A. The algebraic expression that represents the total number of miles Leah runs each week is 5*M.

B. The algebraic expression that represents the total number of miles Leah runs in a year is 260*M.

Leah runs M miles everyday during the week except for Wednesday or Sunday.

We need to write the algebraic expression that represents the total number of miles Leah runs each week. Leah runs for 5 days in a week. The total number of miles run in a week is 5*M.

We need to write the algebraic expression that represents the total number of miles Leah runs in a year. Leah runs 5*M miles in a week. The total number of miles run in a year is (5*M)*52 = 260*M.

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Answer: Pretty sure the correct answer is C

Answer:

The answer is D

Step-by-step explanation:

x is going -infinity to the left and the other x is going infinity.

(-infinity, infinity)

The vertex rests at (0,-2) and continues to rise.

[-2, infinity)

Answer:

Step-by-step explanation:

THE CONSTANT RATE WILL BE 2.5 so that would =75%

Answer:

x27 + y.

Step-by-step explanation:

Binomial means having 2 terms so binomial of degree 27 is x^27 + y type.

For example,

x^27+y+2

If there are 2 degree terms of x, degree of the one having highest degree is taken.

For example,

In x^27+x^10

As highest degree is 27, this is a binomial of degree 27.

The linear equation doesn't have a solution.

The linear equation given is illustrated as: 4x-(2x-1) = x+5+x-6

This will be solved thus:

4x - 2x + 1 = x+5+x-6

4x - 2x + 1 = 2x - 1.

2x + 1 = 2x - 1

Collect like terms

2x - 2x = -1 - 1

0 = -2

This illustrates that the equation doesn't have a solution.

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Answer:

1 = A

2 = F

3 = I think maybe B

Step-by-step explanation:

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Answer:

Step-by-step explanation:

Answer:

3a

Step-by-step explanation:

Answer:

y = 1/3x + 1

Step-by-step explanation:

4-3/9-6

1/3.  slope = 1/3 = m

2. plug the values into the equation to find y-int. You can use whichever point is given to you

I'll use (6,3)

y = mx + b

3 = 1/3(6)+b

1/3(6)=2

3 = 2 + b

3. subtract 2 from both sides and you get b

b = 1

So, the equation of the line would be

y = 1/3x + 1

A p-value for correlation which is statistically significant implies the correlation is due to random chance. The correct solution to this is False.

A p-value for correlation which is statistically significant implies that it is unlikely that the observed correlation is due to random chance alone. In other words, it suggests that there is evidence to support the presence of a true correlation between the two variables being studied. The p-value is a measure of the strength of evidence against the null hypothesis (i.e., that there is no correlation between the two variables), and a smaller p-value indicates stronger evidence against the null hypothesis.

Interpretation of the intercept: The intercept in a linear regression model represents the value of the dependent variable when all independent variables are equal to zero. It is the value of the dependent variable when there is no effect of the independent variable(s) on it. For example, in a regression model predicting height based on age, the intercept would represent the expected height of a person at age zero (which is not a realistic scenario).

Interpretation of a residual: A residual is the difference between the actual observed value of the dependent variable and the predicted value of the dependent variable based on the regression model. It represents the part of the dependent variable that the model was not able to explain. A positive residual means that the actual value is greater than the predicted value, while a negative residual means that the actual value is smaller than the predicted value.

Interpretation of r-squared: R-squared is a measure of how much of the variation in the dependent variable is explained by the independent variable(s) in the regression model. It ranges from 0 to 1, with higher values indicating a better fit of the model to the data. Specifically, it represents the proportion of the total variation in the dependent variable that is explained by the independent variable(s) in the model. For example, if r-squared is 0.75, it means that 75% of the variability in the dependent variable is explained by the independent variable(s) in the model.

Interpretation of the slope: The slope in a linear regression model represents the change in the dependent variable that is associated with a one-unit increase in the independent variable, holding all other variables constant. It reflects the average change in the dependent variable for each unit change in the independent variable. For example, in a regression model predicting height based on age, the slope would represent the average change in height for each additional year of age.

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Answer:

\(\frac{3}{16}\) f - \(\frac{3}{2}\) g

Step-by-step explanation:

\(\frac{3}{8}\) ( \(\frac{1}{2}\) f - 4g )

multiplying each of the terms inside the parenthesis by \(\frac{3}{8}\)

\(\frac{3}{8}\) × \(\frac{1}{2}\) f

= \(\frac{3(1)}{8(2)}\) f

= \(\frac{3}{16}\) f

and

\(\frac{3}{8}\) × - 4g ( cancel 4 and 8 by 4 )

= \(\frac{3}{2}\) × - g

= - \(\frac{3}{2}\) g

combining the 2 products, gives

\(\frac{3}{16}\) f - \(\frac{3}{2}\) g

Answer:

\(\textsf{Orange partial product}=\dfrac{3}{16}\;f\)

\(\textsf{Pink partial product}=-\dfrac{3}{2} \;g\)

\(\textsf{Product}=\dfrac{3}{16}\;f-\dfrac{3}{2} \;g\)

Step-by-step explanation:

Given expression:

\(\dfrac{3}{8}\left(\dfrac{1}{2}f-4g\right)\)

Calculate the partial products then add these together to find the product of the given expression.

Orange partial product

\(\implies \dfrac{3}{8} \times \dfrac{1}{2}f\)

\(\implies \dfrac{3 \times 1}{8\times 2}\;f\)

\(\implies \dfrac{3}{16}\;f\)

Pink partial product

\(\implies \dfrac{3}{8} \times (-4g)\)

\(\implies \dfrac{3 \times -4}{8} \;g\)

\(\implies \dfrac{-12}{8} \;g\)

\(\implies -\dfrac{\diagup\!\!\!\!4 \times 3}{\diagup\!\!\!\!4 \times 2} \;g\)

\(\implies -\dfrac{3}{2} \;g\)

Product:

\(\implies \dfrac{3}{8}\left(\dfrac{1}{2}f-4g\right)=\dfrac{3}{16}\;f-\dfrac{3}{2} \;g\)

The tasks offered to require you to determine the series solution to a differential equation. For each issue, we must establish if the differential equation has a regular singular point for a given value of x, as well as the indicial equation, recurrence relation, and indicial equation roots. Consequently, if the bigger and smaller roots exist, we can obtain the series solution to the differential equation.

1. a) Regular singular point at x0=0

b) Indicial equation: r(r-1)+r=0, which simplifies to r^2=0. The roots are r1=r2=0.

c) y(x) = c0 + c1*x, where c0 and c1 are constants of integration.

d) N/A as the roots are equal.

2. a) Regular singular point at x0=0

b) Indicial equation: r(r-1)+r/9=0, which simplifies to r(r-1+1/9)=0. The roots are r1=0 and r2=1-1/3=2/3.

Recurrence relation: an=-(2n-1)/n(3n+1)an-1

c) y(x) = c0 + c1x^(2/3) - 1/21x^(8/3) + 2/495x^(14/3) - 26/25515x^(20/3) + ...

d) y(x) = c2x^0 + c3x^(-1/3) - 5/63x^(5/3) + 11/2079x^(11/3) - 301/54235*x^(17/3) + ...

3. a) Regular singular point at x0=0

b) Indicial equation: r(r-1)=0. The roots are r1=0 and r2=1.

Recurrence relation: an=-(1/2)an-1

c) y(x) = c0 + c1*x

d) y(x) = c2 + c3/x

4. a) Regular singular point at x0=0

b) Indicial equation: r(r-1)-1=0, which simplifies to r^2-r-1=0. The roots are r1=(1+sqrt(5))/2 and r2=(1-sqrt(5))/2.

Recurrence relation: an=-[2(n-1)+1-1]/(n(n+1)-1)(r1(n-1)+r2n)an-1

c) y(x) = c0 + c1exp(r1x) + c2exp(r2x)

d) y(x) = c3exp(r2x)

5. a) Regular singular point at x0=0

b) Indicial equation: r(r-1)+r+2=0, which simplifies to r^2=1. The roots are r1=1 and r2=-1.

Recurrence relation: for r1: an=-1/[(n+2)(n+1)]an-1, for r2: an=1/(n(n-1)+2n-6)an-1

c) y(x) = c0 + c1x - x^2/3 + 4/45x^4 - 2/945*x^6 + ...

d) y(x) = c2 + c3/x^2

6. a) Regular singular point at x0=0

b) Indicial equation: r(r-1)+(1-x)r=0, which simplifies to r^2-xr=0. The roots are r1=0 and r2=x.

Recurrence relation: an=-an-1/(n(1-x+n))

c) y(x) = c

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Each of the shapes below, The polygons are identified as:

A- Irregular polygon

B- Neither

C- Regular polygon

D- Regular polygon

E- Regular polygon

A polygon is a two-dimensional geometric shape that is defined as a closed figure with three or more straight sides and angles. Polygons can be convex or concave, depending on whether all of their interior angles are less than or greater than 180 degrees, respectively. Some common examples of polygons include triangles (3 sides), squares (4 sides), pentagons (5 sides), hexagons (6 sides), and octagons (8 sides). Polygons are frequently used in geometry, as they can be used to calculate areas, perimeters, and other properties of shapes.

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Answer:

f(-5)

Step-by-step explanation:

f(x) = -x -5

f(0)=0-5=-5

f(1)=-1-5=-6

f(-5)=5-5=0

Answer:

doing the test rn so im pretty sure its A on edge

Step-by-step explanation:

Answer:

9 hours

Step-by-step explanation:

ok so you first translate it into proper form

the proper form is 16 + 6h = 70            h is for hours

so minus 16 from both sides

16 + 6h = 70

-16         -16

now its 6x = 54

so now divide both sides by 6

6x/6 = 54/6

so its now x = 9

so she checked it out for 9 hours.

The volume of the spherical beaker is 1436.76 cubic centimeters

In order to determine the volume the spherical beaker, you need the formula for the volume of a sphere.

The volume of sphere is given by the formula:

Volume of sphere = 4/3 πr³

where r is the radius of the sphere

Since the spherical beaker that measure 14 centimeters in diameter. The radius of the beaker will be:

radius = 14/2 = 7 cm

Volume of the spherical beaker =  4/3 × π × 7³

Volume of the spherical beaker = 1436.76 cubic centimeters

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The rate of change of the circle diameter with respect to the radius is a constant value of 2.

The diameter of a circle is twice the radius, so we can write:

Diameter = 2 * Radius

To find the rate of change of the diameter with respect to the radius, we can take the derivative of both sides of this equation with respect to the radius:

diameter/d(radius) = d(2 * radius)/d(radius)

The derivative of 2*radius with respect to radius is simply 2, so we can simplify the equation:

diameter/d(radius) = 2

Therefore, the rate of change of the circle diameter with respect to the radius is a constant value of 2. This means that if we increase the radius by a small amount, the diameter will increase by twice that amount. Conversely, if we decrease the radius by a small amount, the diameter will decrease by twice that amount.

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Step-by-step explanation:

To find the Highest Common Factor (H.C.F.) of 567 and 255 using Euclid's division lemma, we can follow these steps:

Step 1: Apply Euclid's division lemma:

Divide the larger number, 567, by the smaller number, 255, and find the remainder.

567 ÷ 255 = 2 remainder 57

Step 2: Apply Euclid's division lemma again:

Now, divide the previous divisor, 255, by the remainder, 57, and find the new remainder.

255 ÷ 57 = 4 remainder 27

Step 3: Repeat the process:

Next, divide the previous divisor, 57, by the remainder, 27, and find the new remainder.

57 ÷ 27 = 2 remainder 3

Step 4: Continue until we obtain a remainder of 0:

Now, divide the previous divisor, 27, by the remainder, 3, and find the new remainder.

27 ÷ 3 = 9 remainder 0

Since we have obtained a remainder of 0, the process ends here.

Step 5: The H.C.F. is the last non-zero remainder:

The H.C.F. of 567 and 255 is the last non-zero remainder obtained in the previous step, which is 3.

Therefore, the H.C.F. of 567 and 255 is 3.

Answer:

Hey there!

The second box weighs (3/4)(3.5), which is 2 and 5/8. Option B is correct.

Let me know if this helps :)