Jamal is buying lunch for his family. He buys 4 drinks that each cost $1.75 and 4 sandwiches that each cost $7.50. If the prices include tax and he also leaves a $7 tip, how much does he spend in all?

Answer:

2.0625

Step-by-step explanation:

8.25%=0.0825

0.0825*25=2.0625

Answer:

2.0625

Step-by-step explain

8.25% of 25 dollar  is $2.0625

The number of three-letter code can be formed using 12 Greek alphabets is 1320.

For the given question.

There are 12 Greek alphabet used for making the three-letter code with out repetition.

You have 12 symbols from which to choose for the first letter, 11 for the second (because you're already using one), and 10 for the third.

Using the permutation;

Number of code formed = 12×11×10

Number of code formed = 1320.

Thus, the number of three-letter code can be formed using 12 Greek alphabets is 1320.

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Answer:

0.593,0.55,0.5,0.19

Step-by-step explanation:

promotional strategies used by companies to draw clients and boost sales. For example, product promotions include free samples, whereas sales promotions include coupons and competitions.

Sales promotions are short-term incentives provided by businesses to entice clients to make a purchase or carry out a specific action, such redeeming a coupon or participating in a competition. On the other hand, product promotions use free samples to spread the word about and encourage people to try a new or existing product.

The coupons, contests, and free samples that Conley is looking for while preparing to go shopping after the Christmas holidays are all examples of promotional tools or marketing strategies used by companies to attract customers and boost sales. Samples are a particularly effective marketing tool as they allow customers to try products before purchasing them, increasing the likelihood of a sale. Conley's proactive approach to finding these promotional tools and taking advantage of them demonstrates her savvy consumer skills.

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Answer:

x^2 -12x+36

Step-by-step explanation:

(x - 6)^2

(x-6)(x-6)

FOIL

x^2 - 6x-6x+36

Combine like terms

x^2 -12x+36

Yes!

This does represent a function because all numbers in this table are real numbers.

Integers and whole numbers are apart of real numbers.

Therefore you do not have to state why this is not a function because it certainly is!

To determine a basis for the set spanned by the given vectors, we can perform row operations on the augmented matrix [v1 | v2 | v3 | v4 | v5 | v6] and identify the pivot columns.

Row-reducing the augmented matrix yields:

[1 3 1 5 2 2 | 0]

[2 6 3 11 7 0 | 0]

[3 9 5 17 12 0 | 0]

By performing row operations, we can simplify the matrix to its row-echelon form:

[1 3 1 5 2 2 | 0]

[0 0 1 1 3 0 | 0]

[0 0 0 0 0 0 | 0]

The pivot columns are the columns with leading 1's in the row-echelon form. In this case, the pivot columns are 1, 3, and 5.

Therefore, a basis for the set spanned by the given vectors is {v1, v3, v5}, which corresponds to the columns of the original matrix in the pivot columns. These three vectors are linearly independent and can span the entire space represented by the given vectors.

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Answer:

a = 14.4

Step-by-step explanation:

It's a right angled triangle. so it has to follow Pythagoras Theorem

according to it square of hypotenuse = sum of squares of other two sides

\(16 {}^{2} = {x}^{2} + 7 {}^{2} \\ 256 = x {}^{2} + 49 \\ 256 - 49 = x {}^{2} \\ 207 = x {}^{2} \\ x = \sqrt{207 } \\ x = 14.387 \\ x = 14.4\)

after rounding the decimal a= 14.4 in

Answer: 3500

Step-by-step explanation:

7 x 10 to the 5th power = 700000

2 x 10 squared = 200

700000/200 = 3500

Answer:

4201750

Step-by-step explanation:

7*10^5/2*10^2

7*10=70

2*10=20

70^5/20^2

70^5 =1680700000

20^2=400

1680700000/400=4201750

Answer:

P(t) = 258( 1 + 6%)^t

Step-by-step explanation:

Given that the  population of caribou in a forest grows at a rate of 6% every year. If there are currently 258 caribou, the function representing the number of caribou in the forest in t years will be

P(t) = 258( 1 + 6%)^t

Since it is increasing, it will be 1 + 6%

Where P(t) is the function representing the population after t years.

258 is the current or initial population.

Answer:

30<x+8 and 22<x

Step-by-step explanation:

subtract 8 from 30 to get 22

Answer

30<x+8 and 22<x

Answer:

21316

Step-by-step explanation:

sorry if im wrong i tried

Answer: 43

Step-by-step explanation:

Use PEMDAS: Parentheses, Exponents, Multiplication and Division, Addition and Subtraction.

4 × 3² - 3 + 5 × 2

Exponents

4 × 9 - 3 + 5 × 2

Multiplication

36 - 3 + 10

Addition

36 + 7

43

Hope this helped!

Answer:320

Step-by-step explanation:

Answer:

(a) \(Area = (\frac{x}{4})^2\)

Step-by-step explanation:

The question is incomplete. (See comment for complete question).

From the completed question, we have:

\(Total\ base\ length = x\)

\(n = 8\) --- number of pyramids

Required

An expression for the area of the base

The total base length of the pyramid represents the perimeter of the base.

And since the base is a square, then the following relationship exist.

\(Total\ base\ length = 4L\)

Where L represents the length of each side.

This gives

\(4L = x\)

Make L the subject

\(L = \frac{x}{4}\)

The area of the base is then calculated as:

\(Area = L^2\)

\(Area = (\frac{x}{4})^2\)

Answer:

A

Step-by-step explanation:

Answer:

C

Step-by-step explanation:

First, let us clarify what (11, 0) represent

(x, y) ---> (11, 0)

The values are as followed:

x = 11

y = 0

If the problem states that x is the number of days after the promotion started, then it will be 11 days.

When we assert that it has been 11 days, we rule answers A and D.

If the problem states that y is the number of free coffee samples that remain after 11 days (because x is included in this statement), then it will be 0 samples.

Therefore, the answer will be C. After 11 days of the promotion, there will be 0 samples that are left.

The trigonometry used to solve for x in the right triangle is

A. tangent

In mathematics, the tangent is a trigonometric function that relates the ratio of the length of the opposite side to the length of the adjacent side in a right triangle. It is commonly abbreviated as tan.

The tangent function is defined for all real numbers except for certain values where the adjacent side is zero, resulting in division by zero. It takes an angle (measured in radians or degrees) as its input and returns the ratio of the length of the opposite side to the length of the adjacent side.

In a right triangle, if one of the acute angles is θ, then the tangent of θ (tan θ) is defined as:

tan θ = opposite side / adjacent side

tan 53 = x / 15

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everything u need is in the picture

Answer:50

Step-by-step explanation:

80+2x=180

subtract 80 from both sides: 2x=100

divide both sides by 2: x=50

Using ANOVA rather than separate t-tests is generally recommended when comparing more than two treatment conditions because it provides greater statistical power, helps control for experiment-wise error rate, and can identify interactions between treatments.

What is a t-test?

A t-test is a statistical hypothesis test used to determine whether there is a significant difference between the means of two groups or samples. It is a parametric test that assumes the data is normally distributed and that the variances of the two groups are equal.

When comparing more than two treatment conditions, it's generally recommended to use analysis of variance (ANOVA) rather than separate t-tests for several reasons:

Reduced Type I error: When conducting multiple t-tests, the risk of Type I error (rejecting the null hypothesis when it's actually true) increases with each additional test conducted. ANOVA helps to reduce this risk by testing all treatments simultaneously, rather than testing each treatment separately.

Increased power: ANOVA is more powerful than t-tests when there are multiple treatment conditions because it uses all the available data to estimate treatment effects. This can help to identify differences between groups that may not be significant when comparing only two groups at a time.

Ability to detect interactions: ANOVA can also identify interactions between treatments, which t-tests cannot do. This is important because it allows you to test whether the effect of one treatment depends on the level of another treatment, which may be of interest in many experimental contexts.

Better control over experiment-wise error rate: ANOVA allows for better control over the overall error rate, meaning that it's easier to maintain a desired level of significance across all comparisons. In contrast, conducting multiple t-tests can result in an increased risk of committing at least one Type I error.

Hence, using ANOVA rather than separate t-tests is generally recommended when comparing more than two treatment conditions because it provides greater statistical power, helps control for experiment-wise error rate, and can identify interactions between treatments.

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Answer:

x = 6

Step-by-step explanation:

(3x + 20)° are vertical angles with (5x + 8)° meaning that they are the same

3x + 20 = 5x + 8

20 - 8 = 5x - 3x

12 = 2x

2x/2 = 12/2

x = 6

They function by balancing their budgets through a combination of these revenue streams, along with careful budgeting and expenditure management.

Comparing a state without an income tax to one with an income tax, the key differences lie in the tax burden placed on residents and businesses. In the absence of an income tax, individuals in the state without income tax enjoy the benefit of not having a portion of their businesses may find it more attractive to operate in such states due to lower tax obligations. However, these states often compensate for the lack of income tax by imposing higher sales or property taxes.

States without a state income tax, such as Texas, Florida, and Nevada, function by generating revenue from various alternative sources. Sales tax is a major contributor, with higher rates or broader coverage compared to states with an income tax.

Property taxes also play a significant role, as these states tend to rely on this form of taxation to fund local services and public education. Additionally, fees on specific services, licenses, or permits can contribute to the state's revenue stream.

Comparing such a state to one with an income tax, the key differences lie in the tax structure and the burden placed on residents and businesses. In states without an income tax, individuals benefit from not having a portion of their earnings withheld, resulting in potentially higher take-home pay. This can be appealing for professionals and high-income earners. For businesses, the absence of an income tax can make the state a more attractive location for investment and expansion.

However, the lack of an income tax in these states often means higher reliance on sales or property taxes, which can impact residents differently. Sales tax tends to be regressive, affecting lower-income individuals more significantly. Property taxes may be higher to compensate for the revenue lost from the absence of an income tax.

Additionally, the absence of an income tax can result in a greater dependence on other revenue sources, making the state's budget more susceptible to fluctuations in the economy.

Overall, states without a state income tax employ alternative revenue sources and careful budgeting to function. While they offer certain advantages, such as higher take-home pay and potential business incentives, they also impose higher sales or property taxes, potentially impacting residents differently and requiring careful management of their budgetary needs.

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Answer:

\(y = \frac{5}{2} x^{2}\)

Step-by-step explanation:

When you scale a parabola vertically, you multiply the \(x^{2}\) by what you are scaling it vertically by.

For example, say you have  \(y = 8x^{2}\). That means that  \(y = x^{2}\) was scaled vertically by a factor of 8.

I hope this helps!

Answer:

above sea level

Step-by-step explanation:

Answer:

k = - 4

Step-by-step explanation:

Given

y = 16 - x²

The point (k, 0 ) is a zero. To find the zero let y = 0, that is

16 - x² = 0 ( add x² to both sides )

16 = x² ( take the square root of both sides )

x = ± \(\sqrt{16}\) = ± 4

The zeros are x = - 4 and x = 4

Since (k, 0 ) is to the left of the origin, then k = - 4

Answer:

8(x + 6) = 144

Step-by-step explanation:

We can start building this equation by making everything equal to 144 since the problem is representing the total number of apples:

? = 144

Next, we don't know how many apples are in each basket, so we can represent it with a variable, x.

Since 6 apples are added to each basket we will simply add 6 to the "x" amount of apples in each basket:

x + 6 = 144

Lastly, according to the scenario, we have 8 baskets, each holding "x" amount of apples plus the extra 6 that was added, so it will be multiplied:

8(x + 6) = 144

The final answer is 4(2x + h) after simplifying the difference quotient f(x+h)-f(x)/h for the function f(x) = 4x² - 4.

To find the difference quotient f(x+h)-f(x)/h for the function

                                   f(x) = 4x² - 4,

we need to substitute the given values into the formula as shown below:

                     f(x+h)-f(x)/h=f((x + h)) - f(x)/h

Substitute

               f(x + h) = 4(x + h)² - 4

             and f(x) = 4x² - 4.

             f(x+h)-f(x)/h= [4(x + h)² - 4] - [4x² - 4]/h

Note: We must expand (x + h)² to simplify the formula.

           f(x+h)-f(x)/h= [4(x² + 2xh + h²) - 4] - [4x² - 4]/h

Now we can solve it step by step:

            f(x+h)-f(x)/h= [(4x² + 8xh + 4h²) - 4 - 4x² + 4]/h

Combine like terms.  

                         f(x+h)-f(x)/h= (8xh + 4h²)/h

Factor out 4h from the numerator.

                      f(x+h)-f(x)/h= (4h(2x + h))/h

Cancel the h in the numerator and denominator.

                           f(x+h)-f(x)/h= 4(2x + h)

The final answer is 4(2x + h) after simplifying the difference quotient f(x+h)-f(x)/h for the function f(x) = 4x² - 4.

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Answer:

A

Step-by-step explanation:

Because A option has two correct pairs like 9 is bigger than -3 the two options are same

Answer:

(0,5),(2,6) these are the coordinates of the line.

Step-by-step explanation:

I hope this helps.

Answer: 2

Step-by-step explanation: