Please help meee !!!!!!

Answer:

The answer is C and please give me brainliet And a like!

Where the above parameters are given,  Shamika's total after the discount is $56.25. (Option D)

According to the table, if the total purchases are less than $50, the discount is 25%.

Shamika bought 3 skirts at $25 each, so her total purchase amount is 3 * $25 = $75.

Since $75 is less than $50, she qualifies for a 25% discount.

To calculate the discount, we multiply the total purchase amount by the discount rate  -

Discount = 25% of $75 = (25/100) * $75 = $18.75

To find her total after the discount, we subtract the discount from the total purchase amount  -

Total after discount = Total purchase amount - Discount

Total after discount = $75 - $18.75 = $56.25

Therefore, Shamika's total after the discount is $56.25. (Option D)

Learn more about discount  at:

https://brainly.com/question/12965533

#SPJ2

To find ln(x³y) in terms of u and v, we can use the properties of logarithms. ln(x³y) can be rewritten as ln(x³) + ln(y), and using the property ln(a^b) = bˣ ln(a), we have 3ln(x) + ln(y) = 3u + v.

To find ln(x³y) in terms of u and v, we can use the properties of logarithms. ln(x³y) can be rewritten as ln(x³) + ln(y), and using the property ln(a^b) = bˣ ln(a), we have 3ln(x) + ln(y) = 3u + v.

The domain of the function f(x) = ln(x-3) is x > 3, since the natural logarithm is undefined for non-positive values. The x-intercept occurs when f(x) = 0, so ln(x-3) = 0, which implies x - 3 = 1. Solving for x gives x = 4 as the x-intercept.

There are no vertical asymptotes for the function f(x) = ln(x-3) since the natural logarithm is defined for all positive values. However, the graph approaches negative infinity as x approaches 3 from the right, indicating a vertical asymptote at x = 3.

To sketch the graph of f(x) = ln(x-3), we start with the x-intercept at (4, 0). We can plot a few more points by choosing values of x greater than 4 and evaluating f(x) using a calculator.

As x approaches 3 from the right, the graph approaches the vertical asymptote at x = 3. The graph will have a horizontal shape, increasing slowly as x increases. Remember to label the axes and indicate the asymptote on the graph.

Learn more about terms

brainly.com/question/28730971

#SPJ11

Answer:the answer is 8n hope that helps!

Answer:

100

Step-by-step explanation:

1/4 of 100 is 25. 25-3=22, which is at least 2.

Answer:
21 tables

Step-by-step explanation:

First, let’s simplify the ratio by dividing both sides by 11.

Once we’ve done that, we're left with a ratio of 3 tables for every 7 chairs.

Because 49 is divisible by 7, we will divide seven and get a quotient of 7.

All that’s left is to multiply 7 by 3, and get our final answer of 21 tables sold.

Option (a) 1/50 The average of the 50 samples of x can be calculated as the sum of the values of x divided by the number of samples, which is 50 in this case.

Since x has a mean of 1, we know that the sum of the values of x is 50 times 1, which is 50. The variance of x is 4, which means that the standard deviation of x is 2. This means that the standard error of the mean of x, which is the standard deviation of the sample mean, is 2 divided by the square root of 50, which is approximately 0.283. Therefore, the 95% confidence interval for the mean of the 50 samples of x is [1 - 1.96(0.283), 1 + 1.96(0.283)] = [0.44, 1.56]. Since none of the answer choices fall within this interval, we cannot determine the correct answer without additional information.

To know more about variable visit :

https://brainly.com/question/29583350

#SPJ11

well, since the y-intercept is at -5, or namely when the line hits the y-axis is at -5, that's when x = 0, so the point is really (0 , -5), and we also know another point on the line, that is (-1 ,6), to get the equation of any straight line, we simply need two points off of it, so let's use those two

\(\stackrel{y-intercept}{(\stackrel{x_1}{0}~,~\stackrel{y_1}{-5})}\qquad (\stackrel{x_2}{-1}~,~\stackrel{y_2}{6}) \\\\\\ \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{6}-\stackrel{y1}{(-5)}}}{\underset{run} {\underset{x_2}{-1}-\underset{x_1}{0}}} \implies \cfrac{6 +5}{-1} \implies \cfrac{ 11 }{ -1 } \implies - 11\)

\(\begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{(-5)}=\stackrel{m}{- 11}(x-\stackrel{x_1}{0}) \implies y +5 = - 11 ( x -0) \\\\\\ y+5=-11x\implies {\Large \begin{array}{llll} y=-11x-5 \end{array}}\)

Answer:

it is easy it is 3833

Step-by-step explanation:

The money saved by Raj from the given conditions is $950.

Given that, Raj, Devi and Miko have managed their savings well.

The ratio is defined as the comparison of two quantities of the same units that indicates how much of one quantity is present in the other quantity.

The ratio of Devi to Miko's savings is 3:11.

So, Devi's saving is 3x and Devi to Miko's savings is 11x.

The sum of Raj and Devi's savings is $1181. Raj and Miko's savings sum up to $1797.

Let y be the Raj's saving.

Now, y+3x=1181 --------(I) and y+11x=1797 --------(II)

From equation (I), y=1181-3x

Substitute y=1181-3x, in equation (II), we get

1181-3x+11x=1797

⇒ 8x=1797-1181

⇒ 8x=616

⇒ x=616/8

⇒ x=77

So, y=1181-3x=1181-231

=$950

Hence, the money saved by Raj from the given conditions is $950.

To learn more about the ratio visit:

brainly.com/question/13419413.

#SPJ2

Answer:

We accept H₀, with CI = 90 %, porcentage of O blood type in college students does not differ from the world population porcentage

Step-by-step explanation:

The test is a proportion  two-tail test ( note: differs)

p₀ = 45 %      or  p₀ = 0,45

n = 1000

p =  47 %        or  p  = 0,47

Test Hypothesis

Null hypothesis                                H₀                   p  =  p₀

Alternative hypothesis                    Hₐ                   p  ≠ p₀

CI  we assume 90 %  then  α = 10 %    α  =  0,1    α/2  = 0,05

z score  from z-table   z(c) = 1,64

To calculate z(s) = ( p - p₀ ) / √ p₀q₀/ n

z(s)  = ( 0,47  -  0,45 )/ √( 0,45)*(0,55)/1000

z(s)  =  0,02/√( 0,2475)/1000

z(s)  =  0,02/0,01573

z(s) = 1,2714

Now we compare z(s) and z(c)

z(s) < z(c)      1,2714 < 1,64

Then z(s) is in the acceptance region we accept H₀

When Meera purchases 400 beads for $80.00, the unit rate is $0.2 per bead.

The unit rate is the denominator of a ratio of two different units. For instance, kilometer/hour, meter/sec, mile/hour, salary/month, and so on. Arithmetic is the most fundamental and ancient branch of mathematics, and it is widely used in everyday life.

When expressed as a fraction, a unit rate has a denominator of one unit. To write a rate as a unit rate, divide the rate's numerator and denominator by the rate's denominator.

Since Meera purchases 400 beads for $80.00, the unit rate will be:

= Price / Number of beads

= $80 / 400

= $0.2 per bead.

Learn more about unit rate:

https://brainly.com/question/19493296

#SPJ1

Answer:1/30

Step-by-step explanation:

green: 3/10

purple don't replace: 1/9

3/10*1/9=1/30

the coordinates of the child after 30 seconds are (0,-1). A carousel is a rotating platform that can be found in amusement parks or other recreational areas. When a child enters a carousel, the position of the child changes as the carousel revolves.

To determine the position of a child on a carousel, it is necessary to consider the speed and direction of the rotation, as well as the starting point of the child.

If a carousel takes one minute to revolve once around and the child enters at the point (0,1) on the due north position,

after 30 seconds the child will have rotated 30/60 = 1/2 of the way around the carousel.

Since the carousel revolves counterclockwise, the child's new position can be found by rotating the starting position (0,1) by 1/2 of a full revolution,

which is equal to 180 degrees.

The rotation can be performed using trigonometric functions, such as sine and cosine. The coordinates of the child after 30 seconds would be (-sin(180), cos(180)) = (0,-1).

This means that the child would be located on the due south position, which is the opposite direction from their starting position on the due north position.

Learn more about coordinates   here brainly.com/question/27749090

#SPJ4

Answer:

The coordinates of the image of segment CV after the dilation are:

C' = (9/2, 3)

V' = (3/2, -9)

Step-by-step explanation:

To perform a dilation with center of dilation at the origin and scale factor 3/2, we need to multiply the coordinates of each point by 3/2. The coordinates of point C(3, 2) become:

C' = (3 * 3/2, 2 * 3/2) = (9/2, 3)

Similarly, the coordinates of point V(1, -6) become:

V' = (1 * 3/2, -6 * 3/2) = (3/2, -9)

Therefore, the image of segment CV with endpoints C(3, 2) and V(1, -6) after the dilation with center of dilation at the origin and scale factor 3/2 is a segment with endpoints C'(9/2, 3) and V'(3/2, -9).

Sigma factors are necessary in the initiation phase of transcription. This phase requires a complex called RNA polymerase to locate the DNA's start site and begin the synthesis of a new RNA strand.

RNA polymerase recognizes promoters, which are DNA sequences adjacent to the transcription start sites that define the start site for RNA synthesis. Sigma factors are subunits of RNA polymerase that help it recognize promoters.Sigma factors regulate the initiation of RNA synthesis by RNA polymerase.

The sigma factor is a DNA-binding protein that recognizes specific promoter sequences and recruits RNA polymerase to the DNA molecule at the appropriate location. When the sigma factor binds to a promoter, RNA polymerase becomes anchored and initiates transcription. There are several sigma factors, each of which recognizes a different promoter sequence.

They are required for transcription of different sets of genes in response to environmental cues or other cellular stimuli.It is worth noting that the promoter sequence that sigma factors bind to can vary in terms of its similarity to the consensus sequence recognized by the sigma factor.

Sigma factors can also recognize alternative promoter sequences that bind to the RNA polymerase core enzyme with lower affinity than the consensus sequence. In general, a promoter with a perfect match to the consensus sequence is more effective than one with a non-perfect match in initiating transcription.

To learn more about Sigma factors, visit

brainly.com/question/30518693

#SPJ11

Answer:

18

Step-by-step explanation:

product of prime factors

9=3^2

18=2*3^2

LCM of 9 and 18 = 2*3^2

=18

Answer:

The ratio of 2 times x minus three to 5

Step-by-step explanation:

Fractions can be represented as ratios: for instance, X/Y can be represented as x : y

When the magnitude of f′′ is small on a given δ-interval with center a, the slopes of the tangent lines change slowly as x increases over the δ-interval.

The magnitude of f′′ is small on a given δ-interval with center a. In this case, the slopes of the tangent lines are changing slowly as x increases over the δ-interval.

This can be explained by understanding that the second derivative, f′′, represents the rate of change of the first derivative, f′, which in turn represents the slope of the tangent lines to the function, f.

A small magnitude of f′′ means that the curvature of the function is minimal, and therefore, the change in the slopes of the tangent lines is minimal as well.

When the second derivative is small, the function behaves more like a straight line within the δ-interval, so the slopes of the tangent lines do not change much. This implies that the function is relatively stable and has less curvature in that interval.

You can learn more about slopes at: brainly.com/question/3605446

#SPJ11

Answer:

srat

Step-by-step explanation:hehe i really dont know

Answer:

0.5

Step-by-step explanation:

The square root of x can be rewritten as \(x^{0.5}\).

Therefore f(x) can now be written as

f(x)=4\(x^{0.5}\), and so the power of the function is 0.5

Answer:

I hope this is what you're looking for. Good luck.

Step-by-step explanation:

The area of the part of the plane 5x + 3y + z = 15 that lies in the first octant is 15x^3/6 + 45x^2y/2.

Area is a measure of the size of a surface or the amount of space it takes up. It can be measured in square units such as square feet, square meters, or acres. Area is used to describe the size of a two-dimensional object or shape, and is often used when discussing the size of a plot of land, a room, or other geographical area.

The first octant is defined as the area in the three-dimensional Cartesian coordinate system where all the coordinates are positive. In this case, the equation 5x + 3y + z = 15 can be rearranged to solve for z: z = 15 - 5x - 3y. This new equation can then be used to find the area of the plane that lies in the first octant by integrating the equation over the area of the octant.

To solve for the area, we must first find the boundaries of the octant. Since all coordinates must be positive, the boundaries of the octant are x = 0, y = 0, and z = 0. The area of the plane that lies in the first octant is then computed using the triple integral:

Area = ∫∫∫ 0 0 0 15-5x-3y dzdydx

= ∫∫ 0 0 (15x + 45y)dydx

= ∫ 0 (15x^2/2 + 45xy)dx

= 15x^3/6 + 45x^2y/2

Therefore, the area of the part of the plane 5x + 3y + z = 15 that lies in the first octant is 15x^3/6 + 45x^2y/2.

To know more about area click-
https://brainly.com/question/25292087
#SPJ4

To approximate the solution and maximize the given objective function we need to find the steepest ascent direction and iteratively update the values of x₁ and x₂ to approach the maximum value of z.

The method of steepest ascent involves finding the direction that leads to the maximum increase in the objective function and updating the values of the decision variables accordingly. In this case, we aim to maximize the objective function z = -(x₁ - 3)² - (x₂ - 2)².

To find the steepest ascent direction, we can take the gradient of the objective function with respect to x₁ and x₂. The gradient represents the direction of the steepest increase in the objective function. In this case, the gradient is given by (∂z/∂x₁, ∂z/∂x₂) = (-2(x₁ - 3), -2(x₂ - 2)).

Starting with initial values for x₁ and x₂, we can update their values iteratively by adding a fraction of the gradient to each variable. The fraction determines the step size or learning rate and should be chosen carefully to ensure convergence to the maximum value of z.

By repeatedly updating the values of x₁ and x₂ in the direction of steepest ascent, we can approach the solution that maximizes the objective function z. The process continues until convergence is achieved or a predefined stopping criterion is met.

Learn more about fraction here:

https://brainly.com/question/10354322

#SPJ11

Interpreting the results: We are 90% confident that the true population mean driving distance to work falls within the range of 20.2 miles plus or minus 4.091 miles.

To construct a confidence interval for the population mean μ, we can use the formula:

Confidence interval = sample mean ± margin of error

where the margin of error is given by:

Margin of error = t * (standard deviation / √n)

In this case, the sample mean is 20.2 miles, the standard deviation is 7.1 miles, and the sample size is 12. We need to find the appropriate value of t for a 90% confidence level with (n-1) degrees of freedom.

The degrees of freedom for a sample size of 12 is (n-1) = 12-1 = 11.

Using a t-table or calculator, the t-value for a 90% confidence level and 11 degrees of freedom is approximately 1.796.

Substituting the values into the formula, we have:

Margin of error = 1.796 * (7.1 / √12)

Calculating this value, we find the margin of error to be approximately 4.091 miles.

Therefore, the 90% confidence interval for the population mean μ is:

20.2 ± 4.091

Interpreting the results: We are 90% confident that the true population mean driving distance to work falls within the range of 20.2 miles plus or minus 4.091 miles.

To know more about Population related question visit:

https://brainly.com/question/15889243

#SPJ11

Answer:

1. To make a bell curve (a normal distribution) with a mean of 41 and a standard deviation of 5, we can use the following values on the x-axis:

x = 21, 26, 31, 36, 41, 46, 51, 56, 61

These values are symmetric around the mean of 41, and each value is one standard deviation away from the mean.

On the y-axis, we can mark the percentage of people in each interval, which is calculated using the area under the curve. The total area under the curve is 100%.

2. To find the percentage of people who were below 31 years old, we need to calculate the area under the curve to the left of x = 31. Using a standard normal distribution table or calculator, we can find this area to be approximately 0.0228, or 2.28%.

So, about 2.28% of people were below 31 years old.

3. To find the percentage of people who were above 31 years old, we can subtract the percentage of people below 31 years old from 100%.

100% - 2.28% = 97.72%

So, about 97.72% of people were above 31 years old.

4. To find the percentage of people between 41 and 46 years old, we need to calculate the area under the curve between x = 41 and x = 46. Using a standard normal distribution table or calculator, we can find this area to be approximately 0.3413, or 34.13%.

So, about 34.13% of people were between 41 and 46 years old.

5. To find the percentage of people older than Kip (who is 38 years old), we need to calculate the area under the curve to the right of x = 38. Using a standard normal distribution table or calculator, we can find this area to be approximately 0.6306, or 63.06%.

So, about 63.06% of people were older than Kip.

Step-by-step explanation:

Algebraic expressions can be represented with words and vice versa.

The statement that can represent 5x - 4 is: 4 less than the product of 5 and a number

The expression is given as: 5x - 4

By analysis, we have:

Hence, a statement that can represent the expression 5x - 4 is: 4 less than the product of 5 and a number

Read more about expressions at:

https://brainly.com/question/12354223

The appropriate hypotheses to determine if the distribution of grades would differ for all students under these two treatments are:

In hypothesis testing, we have a null hypothesis (H0) and an alternative hypothesis (Ha). The null hypothesis represents the assumption of no effect or no difference, while the alternative hypothesis represents the claim we are trying to gather evidence for.

In this scenario, the null hypothesis (H0) states that there is no difference in the distribution of grades for all students who use a small or large index card. It suggests that the size of the index card does not have any association with the grades.

Learn more about hypothesis on

https://brainly.com/question/11555274

#SPJ1

Answer:

x = 4

y = 5

Step-by-step explanation:

4x = x + 12

^(subtract x from both sides)^

3x = 12

^(divide both sides by 3)^

x = 4

3y = 15

(divide both sides by 3)

y = 5

Answer:

x=-1

Step-by-step explanation:

Answer:

x=-1

Step-by-step explanation:

Move Constant to the right

carculate the difference

Answer:

>

Step-by-step explanation:

-59 is bigger than -60. If you think about it on a number line, it is bigger.

By the way, can you follow me on Brainly?

Thanks!

Answer:

-59 > -60

Step-by-step explanation:

in negatives, the less the number is, the more it is.(kind of confusing)