Help asap Thank you in advance

Answer:

Well the absolute vaule will allways be postive. Therefore the answer being 2.  I Think.  

Step-by-step explanation:

Answer:

$223.45

Step-by-step explanation:

premium fuel: 4.59 x 545

= 2501.55

regular fuel: 4.18 x 545

=2278.1

2501.55-2278.1 = 223.45

Answer:

Step-by-step explanation:

Answer:

b : ( 3, 0, -1 )

Step-by-step explanation:

you need to sub the range into the equation to find their domains

To plot the set {-2.5, -1.5, -1.0, 1.0} on the number line, you would start at zero and mark each of the numbers given on the line. So, starting at zero, you would first mark -2.5 to the left, then -1.5 to the left of that, then -1.0 to the left of that, and finally 1.0 to the right of zero. Your number line should now have 5 marks on it: 1.0, 0, -1.0, -1.5, and -2.5. I

To plot the set {-2.5, -1.5, -1.0, 1.0} on the number line, follow these steps:

1. Draw a horizontal line to represent the number line.
2. Mark the integers on the number line with equal spaces between them (e.g., -3, -2, -1, 0, 1, 2, 3).
3. Locate and mark the positions of each number in the set on the number line:
  - For -2.5, mark a point halfway between -2 and -3.
  - For -1.5, mark a point halfway between -1 and -2.
  - For -1.0, mark a point directly on -1.
  - For 1.0, mark a point directly on 1.
4. Label each point with its corresponding value from the set.

Now you have successfully plotted the set {-2.5, -1.5, -1.0, 1.0} on the number line!

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Given data are: Payment of $150 at the end of each of the next 3 years,Payment of $250 at the end of Year 4,Payment of $400 at the end of Year 5,Payment of $500 at the end of Year 6,Rate of interest = 8% annually

Hence, the Present Value of the investment is $382.20

Present value and future value of investment Formula used: PV = Pmt/(1+r)^n,

FV = Pmt((1+r)^n-1)/r

Let's find the Present Value of the Investment: Given, n = 3 years

Pmt = $150

Rate = 8% annually

PV = 150/(1+8%)³

PV = $382.20

Let's find the Future Value of the Investment: Given, n1 = 3 years

Pmt1 = $150

Rate = 8% annually

n2 = 1 year

Pmt2 = $250

n3 = 1 year

Pmt3 = $400

n4 = 1 year

Pmt4 = $500

FV = (150((1+8%)³-1)/8%)+((250+400+500)(1+8%)³)

FV = $1579.51

Hence, the Future Value of the investment is $1579.51.

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Step-by-step explanation:

So

Total money = 20

Entrance fee = 1.75

Food = 2.50

Ride = 1.05

Amount spend = 1.75 + 2.05 = 3.8

Left for rides = 20 - 3.8 = 16.2

So rides = 16.2 ÷ 1.05 = 15

I think atleast 15 rides

The probability that the student who will be called upon to answer the question will be from Kenilworth is 0.2 or 1/5.

The probability that the student who will be called upon to answer the question will be from Kenilworth can be calculated as follows:

There are a total of 40 students in the class.

Out of these students, there are 3 girls from Kenilworth and 5 boys from Kenilworth.

Hence, the total number of students from Kenilworth is: 3 + 5 = 8

So, the probability that a student from Kenilworth will be called upon to answer the question is:

8/40 = 1/5

= 0.2

Therefore, the probability that the student who will be called upon to answer the question will be from Kenilworth is 0.2 or 1/5.

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Answer:

P = 22 cm

Step-by-step explanation:

the perimeter (P) is the sum of the 6 sides of the figure

starting with the base and counting clockwise

P = 7 + 4 + 3 + 2 + 4 + 2 = 22 cm

1. The quotient in lowest terms of the given rational division is (x+2)/(3x-9).

2. The values of r is A. x=-2 and B. x=0.

Factor is a quantity which when multiplied by another quantity, produces a given product. Factors are used to simplify and solve equations, as well as in other areas of mathematics. Factors can be numbers, variables, and expressions.

To find the lowest terms, we must divide the numerator and denominator by the same number. The largest common factor of the numerator and denominator is 3. Dividing both the numerator and denominator by 3, we get (x+2)/(3x-9) = (x+2)/(x-3).

The values of r that must be excluded from the domains of the expressions are x=0 and x=3. x=0 must be excluded because it will create a zero in the denominator which is not allowed. x=3 must also be excluded because it will create a zero in the numerator, and thus make the entire expression equal to 0. Thus, the correct answer is A. x=-2 and B. x=0.

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Answer:

7.9km

Step-by-step explanation:

(a)See attached for the diagram representing this situation.

(b)

In Triangle ABC

\(\text{Using Law of Sines}\\\dfrac{\sin A}{a}=\dfrac{\sin C}{c} \\\dfrac{\sin A}{5.2}=\dfrac{\sin 58^\circ}{6.8} \\\sin A=5.2 \times \dfrac{\sin 58^\circ}{6.8}\\A=\arcsin (5.2 \times \dfrac{\sin 58^\circ}{6.8})\\A=40.43^\circ\)

Next, we determine the value of Angle B.

\(\angle A+\angle B+\angle C=180^\circ\\40.43+58+\angle B=180^\circ\\\angle B=180^\circ-(40.43+58)\\\angle B=81.57^\circ\)

Finally, we find b.

\(\text{Using Law of SInes}\\\dfrac{b}{\sin B}=\dfrac{c}{\sin C} \\\dfrac{b}{\sin 81.57^\circ}=\dfrac{6.8}{\sin 58^\circ} \\b=\dfrac{6.8}{\sin 58^\circ} \times \sin 81.57^\circ\\b=7.9km $ (to the nearest tenth of a kilometer)\)

The distance between the small plane and the observation tower is 7.9km.

To find the number of different phone numbers that can be created with exactly three 8s, we need to consider the possible positions of the 8s within the number.

Let's break it down step by step:

1. Determine the total number of positions in the phone number:
  - Phone numbers typically have 10 digits (0-9).
  - Since we can start the number with 0, we have 11 possible positions (including the first digit).

2. Choose the positions for the three 8s:
  - We need to select 3 positions out of the 11 available positions.
  - This can be calculated using combinations. The number of combinations of selecting 3 positions out of 11 is denoted as "11 choose 3" or C(11,3).
  - The formula for combinations is: C(n, r) = n! / (r! * (n-r)!), where n is the total number of positions and r is the number of positions we need to choose.
  - Substituting the values, C(11,3) = 11! / (3! * (11-3)!)

3. Calculate the number of phone numbers:
  - Once we have the number of combinations, we need to calculate the number of phone numbers that can be created.
  - For each of the selected positions for the 8s, we have 10 choices (0-9) for the remaining digits.
  - So, the total number of phone numbers that can be created is the product of the number of combinations and the number of choices for each position: C(11,3) * 10^8

Let's calculate the number of different phone numbers:

C(11,3) = 11! / (3! * 8!) = (11 * 10 * 9) / (3 * 2 * 1) = 165

Number of phone numbers = C(11,3) * 10^8 = 165 * 10^8 = 1,650,000,000

Therefore, under the given conditions, there are 1,650,000,000 different phone numbers that can be created with exactly three 8s.

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Answer:

Alex has 3x dollars and an extra 15 dollars in his coat pocket. He buys a new Nike shoe for 84 dollars. How much money did Alex spend that was not in his pocket.

Step-by-step explanation:

Answer:

Part A: Word problem

Maria went to the store and purchased some books for her book club. Each book cost $3, and she also bought some bookmarks at $15 each. Maria's total purchase, including tax, amounted to $84. If Maria bought x books, write an equation to represent the situation.

Part B: Solution

To solve the equation 3x + 15 = 84, we need to isolate the variable x on one side of the equation.

Step 1: Subtract 15 from both sides of the equation to eliminate the constant term on the left side:

3x + 15 - 15 = 84 - 15

3x = 69

Step 2: Divide both sides of the equation by 3 to isolate x:

3x/3 = 69/3

x = 23

So, the solution to the equation is x = 23.

Part C: Explanation

In the given equation 3x + 15 = 84, the variable x represents the number of books Maria purchased. The equation states that the cost of x books at $3 each, represented by 3x, plus the cost of $15 for bookmarks, totals to $84. Thus, the value of x represents the number of books Maria bought in this scenario. In the solution, x = 23, it means Maria purchased 23 books for her book club.

Step-by-step explanation:

Answer:

119 is the value of x when y = 7

Step-by-step explanation:

Since y varies inversely with x, we can use the following equation to model this:

y = k/x, where

Step 1:  Find k by plugging in values:

Before we can find the value of x when y = k, we'll first need to find k, the constant of proportionality.  We can find k by plugging in 49 for y and 17 for x:

Plugging in the values in the inverse variation equation gives us:

49 = k/17

Solve for k by multiplying both sides by 17:

(49 = k / 17) * 17

833 = k

Thus, the constant of proportionality (k) is 833.

Step 2:  Find x when y = k by plugging in 7 for y and 833 for k in the inverse variation equation:

Plugging in the values in the inverse variation gives us:

7 = 833/x

Multiplying both sides by x gives us:

(7 = 833/x) * x

7x = 833

Dividing both sides by 7 gives us:

(7x = 833) / 7

x = 119

Thus, 119 is the value of x when y = 7.

b. P(N ∪ Q) = P(multiples of 3 οr factors οf 12) = {1, 2, 3, 4, 6, 8, 9, 10, 12}

c. P(U) = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}

d. P(U) = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}

e. P(N) = P(multiples of 3) = {3, 6, 9, 12}

Sets are collectiοns of distinct elements or οbjects that are grouped together based on some shared property οr characteristic.

b. P(N ∩ Q) = P(multiples of 3 and factοrs of 12) = {3, 6, 12}

P(U) = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}

P(N ∪ Q) = P(multiples οf 3 or factοrs of 12) = {1, 2, 3, 4, 6, 8, 9, 10, 12}

c. P(U) = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}

d. P(U) = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}

e. P(N) = P(multiples of 3) = {3, 6, 9, 12}

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Answer:

\(\frac{2}{325}\)

Step-by-step explanation:

Assuming you mean simplify \(\frac{4*10^{0} }{6.5*10^{2} }\), first you need to simplify the numerator.

Simplifying the numerator:

\(4*10^{0}=4*1=4\)

This simplifies to 4 because any expression raised to the 0 power is 1.

Simplifying the denominator:

\(6.5*10^{2} =6.5*100=650\)

Dividing the numerator by the denominator:

\(\frac{4}{650} =\frac{2}{325}\)

Using the data in the stem- and -leaf plot, mean value of given data is 4.59 feet means that a typical throw of the ball results in 4.59 feet.

Mean or arithmetic mean is the ratio of sum of all the observation to the number of observations in a data set. It is given by the formula,

                                  \(Mean = \frac{sum of observations}{number of observations}\)

The stem-and-leaf plot displays the distances that a heavy ball was thrown in feet.

The data are given below:

2.0, 2.1, 3.3, 3.1, 3.1, 5.4, 5.1, 5.3, 4.5, 4.0, 8.6, 8.2.

Number of data = 12.

\(Mean = \frac{sum of observations}{number of observations}\)

         = \(\frac{2.0+2.1+3.3+3.1+3.1+5.4+5.1+5.3+4.5+4.0+8.6+8.2}{12}\)

         =\(\frac{54.7}{12}\)

         = 4.59 feet.

Hence, using the data in the stem- and -leaf plot, mean value of given data is 4.59 feet means that a typical throw of the ball results in 4.59 feet.

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Answer:4.59 feet; The value means that a typical throw of the ball results in 4.59 feet.

Step-by-step explanation:

i did in class want it to help yall ik how hard school can be

Answer:

1/3

Step-by-step explanation:

4/12 = 4x1/4x3 = 1/3 (simplify)

So the experimental probability is 1/3.

The rate at which body cover distance is given by speed.

The formual for the speed is,

For the given question, distance is d=34 miles and time is t=4/5 hours.

Substitute the value in the formula to obtain the speed of Camden.

So the speed at which camden cover distance is 85/2 miles per hour.

Answer:

180

Step-by-step explanation:

Well, I'm not sure but maybe??

Statistics help present data precisely and draw meaningful conclusions. While presenting data, one should be aware of using adequate statistical measures.

Readers are generally interested in knowing the variability within the sample, descriptive data should be precisely summarized with SD. The use of SEM should be limited to computing CI which measures the precision of population estimate. Journals can avoid such errors by requiring authors to adhere to their guidelines.

Studying the entire population is time and resource-intensive and not always feasible; therefore studies are often done on the sample, and data are summarized using descriptive statistics. These findings are further generalized to the larger, unobserved population using inferential statistics.

For example, to understand the cholesterol levels of the population, the cholesterol levels of the study sample, drawn from the same population are measured.

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Answer:

The answer is 2 times

Step-by-step explanation:

Well, the line y equals to negative 1 is a horizontal line that crosses through the y axis.

So, if we were to draw that line in how many times is that line intersecting or coming into contact with our graph well it's happening in these two places right here (shown in attached photo) so that would intersect two times.

Thus, The answer is 2 times

-TheUnknownScientist 72

The probability that an irs auditor will catch only 2 income tax returns with illegitimate deduc-tions = 0.24

Let us assume that X be the number of returns containing illegitimate deductions in the sample.

Here, X has a hypergeometric distribution.

We need to find the probability that an IRS auditor will catch only 2 income tax returns with illegitimate deduc-tions.

Here, N = 15, r = 9, n = 5

So, P (X = 2) = (⁹C₂ × ⁶C₃) / (¹⁵C₅)

We know that the combination formula:

⁹C₂ = 9! / (2! × 7!)

     = 36

⁶C₃ = 6! / (3! × 3!)

     = 20

¹⁵C₅ = 15! / (5! 10!)

      = 3003

P (X = 2) = (⁹C₂ × ⁶C₃) / (¹⁵C₅)

              = (36 × 20) / (3003)

              = 0.24

Therefore, the required probability is: 0.24

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Answer:

$4871.25

Step-by-step explanation:

You know that the dirt bike has been "marked down," so to find the percentage of the original cost, subtract 0.12 from 1 to get 0.88. Then, define x as the original cost, and set up an equation:

0.88x = 4286.70

You know that 4286.70 is 88% of the original cost, so 0.88 times the original cost will equal the marked down cost. Now, divide both sides by 0.88 to get the answer:

x = 4871.25

Answer:

x=3/4, x=0.75

Step-by-step explanation:

Answer:

Step-by-step explanation:

You want the area of the figure composed of a triangle and a semicircle.

The area of the triangle is ...

  A = 1/2bh

  A = 1/2(8 in)(6 in) = 24 in²

The area of the semicircle is ...

  A = 1/2πr²

The radius is half the diameter, so this is ...

  A = 1/2(3.14)(3 in)² = 14.13 in²

The area of the figure is the sum of the areas of the triangle and semicircle:

  Figure = triangle + semicircle

  Figure = 24 in² +14.13 in² = 38.13 in²

The area of the figure is about 38.13 square inches.

__

Additional comment

Using the "pi button" for π, we get about 38.1372 square inches for the total area.

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Answer:

143

Step-by-step explanation:

11x13=143

Answer: 143

Step-by-step explanation: L * W =A so, 11 multiplied by 13 gives you 143

Answer:

A

Step-by-step explanation:

The explicit formula for a geometric sequence is

f(n) = f(1) \((r)^{n-1}\)

where f(1) is the first term and r the common ratio

Here f(1) = 64 and r = \(\frac{f(2)}{f(1)}\) = \(\frac{16}{64}\) = \(\frac{1}{4}\) , then

f(n) = 64 \((\frac{1}{4}) ^{n-1}\) → A