A sequence starts with: 234375, 46875, 9375, 1875...

Find the next 4 terms.

The given two-way Frequency table, there are 33 left-handed students who are not in the music program.

The number of left-handed students who are not in the music program, we need to examine the data presented in the two-way frequency table.

From the table, we can see that the number of left-handed students in the music program is 15, and the total number of left-handed students is 48.

the number of left-handed students not in the music program, we subtract the number of left-handed students in the music program from the total number of left-handed students.

Number of left-handed students not in the music program = Total number of left-handed students - Number of left-handed students in the music program

Number of left-handed students not in the music program = 48 - 15

Calculating this, we find that the number of left-handed students not in the music program is 33.

Therefore, there are 33 left-handed students who are not in the music program, based on the data provided in the two-way frequency table.

In conclusion, based on the given two-way frequency table, there are 33 left-handed students who are not in the music program.

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The area of the acute triangle can be found by the formula: area of acute triangle = (1/2) × b × h.

According to Pythagoras theorem the triangle is termed as acutely angled if the square of its longest side is less than the sum of the squares of two other smaller sides. Let a, b, and c are the length of sides of a triangle, where side "a" is the longest, then the given triangle is acutely angled if and only if a^2 < b^2 + c^2.

The area of the acute triangle can be calculated by the formula:

         area of acute triangle = (1/2) × b × h

         b = base, and

         h = height

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Answer:

53.13

Step-by-step explanation:

i just looked it up to back up my answer?

Answer:i can see what you write?

Step-by-step explanation: send it again

the y-intercept would be (0, -7) because that’s where it crosses on the y axis

Answer:

3 1/5

Step-by-step explanation:

you divide 16 by 5 (which is 3 with one left over)

3 is your whole number and because there is one left over, that becomes your new neumerator, and the denominator always says the same

The percentage interest rate added to the account at the end of the year is 1.3%

Tax is the compulsory levy paid by citizens to the government for buying goods and services.

Amount Samia invest = £3,000

Amount of interest = x

Rate of tax = 20%

Amount of tax = £7.80

So,

20% of x = £7.80

0.2x = £7.80

x = £7.80/0.2

x = £39

Percentage of interest rate:

x% of £3000 = £39

x% × 3000 = 39

x% = 39/3000

x% = 0.013

x% = 1.3%

Hence, 1.3% is the percentage of Samia investment added to the account.

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Answer:

y-1=-3(x+2)

Step-by-step explanation:

A mathematical expression is neither true nor false; it is evaluated rather than being assigned a truth value.

A mathematical expression, by itself, is not considered true or false because it does not make a specific claim or statement. An expression is a combination of numbers, variables, and mathematical operations, such as addition, subtraction, multiplication, and division. It represents a computation or evaluation, but it does not assert any truth value.

For example, the expression "2 + 3" is simply a calculation that evaluates to the value 5. It does not make a claim or statement that can be determined as true or false. Similarly, expressions like "\(x^2 + 4\)" or "sin(θ) + cos(θ)" represent mathematical computations but do not have a truth value.

To determine the truth value of a mathematical statement, you need an equation or inequality that makes a specific claim or relationship between mathematical expressions. For instance, the equation "2 + 3 = 5" is a mathematical statement that can be determined as true, while the inequality "x > 5" depends on the value of x and can be evaluated as true or false.

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The given equations of planes are: 15x - 3y + 12z = 2  & 2y = 10x - 8z

To determine whether these planes are parallel, perpendicular or neither, we need to compare the normal vectors of the planes. The normal vector of a plane is given by the coefficients of x, y and z in the equation of the plane.

The normal vector of the first plane (1) is [15, -3, 12] and the normal vector of the second plane (2) is [10, 2, -8/2] = [10, 2, -4].

Now, to check if the planes are parallel or perpendicular, we can take the dot product of the normal vectors. If the dot product is 0, then the planes are perpendicular, and if it is non-zero, then the planes are parallel.

The dot product of the normal vectors of the given planes is:

[15, -3, 12] · [10, 2, -4] = (15)(10) + (-3)(2) + (12)(-4) = 0

Since the dot product is zero, the planes are perpendicular to each other.

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Answer:

\(2x - 12 \\ \\ = 2(x - 6)\)

# Bora 7#

Answer:

the answer is -24

Step-by-step explanation:

2x (-12) = 2 times -12, which is -24

1) a. mean =  4.164 b. standard deviation = 0.7792
2) a. mean =  $20.82 b. standard deviation = $3.896

To calculate the mean of the number of hours, we multiply each possible value by its probability and then add them up,

Mean = (1)(0.229) + (2)(0.113) + (3)(0.114) + (4)(0.076) + (5)(0.052) + (6)(0.027) + (7)(0.031) + (8)(0.358) = 4.164

Therefore, the mean number of hours that cars are parked is approximately 4.164.

To calculate the standard deviation of the number of hours, we use the formula,

SD = sqrt[(1/n) * sum(p(x)*(x - mean)^2)]

where n is the sample size, p(x) is the probability of each possible value, mean is the mean of the distribution, and x is each possible value.

Plugging in the values,

SD = sqrt[(1/8) * ((1-4.164)^20.229 + (2-4.164)^20.113 + (3-4.164)^20.114 + (4-4.164)^20.076 + (5-4.164)^20.052 + (6-4.164)^20.027 + (7-4.164)^20.031 + (8-4.164)^20.358)]

SD = sqrt[(1/8) * (2.4212)]

SD = 0.7792

To calculate the mean and standard deviation of the revenue generated per car, we simply multiply the mean and standard deviation of the number of hours by the cost per hour:

Mean revenue per car = 4.164 * $5 = $20.82

Standard deviation of revenue per car = 0.7792 * $5 = $3.896

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Answer:

10

Step-by-step explanation:

Answer:

0=0

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

4(3y−6)=−3(8−4y)

(4)(3y)+(4)(−6)=(−3)(8)+(−3)(−4y)(Distribute)

12y+−24=−24+12y

12y−24=12y−24

Step 2: Subtract 12y from both sides.

12y−24−12y=12y−24−12y

−24=−24

Step 3: Add 24 to both sides.

−24+24=−24+24

Answer:

All real numbers

Step-by-step explanation:

So we have the equation:

\(4(3y-6)=-3(8-4y)\)

First, distribute the left side:

\(12y-24=-3(8-4y)\)

Now, distribute the right:

\(12y-24=-24+12y\)

Subtract 12y from both sides. Both sides cancel:

\(-24=-24\)

This statement is true.

In other words, our solution is all real numbers.

And we're done!

Answer:

the second option is correct sorry if i’m wrong

Step-by-step explanation:

Answer:

The answer is B. The Commutative Property of Addition

Step-by-step explanation:

I really don't know to be honest

Answer:

Step-by-step explanation:

Answer:

What image?

Step-by-step explanation:

Thanks? :)

a) The minimum value of the function f(x) = xcos(x) in the range 0 ≤ x ≤ 5 is approximately -4.92, and it occurs at x ≈ 3.38.

b) The maximum value of the function f(x) = xcos(x) in the range 0 ≤ x ≤ 5 is approximately 4.92, and it occurs at x ≈ 1.57 and x ≈ 4.71.

To find the minimum and maximum values of the function f(x) = xcos(x) in the specified range, we need to evaluate the function at critical points and endpoints.

a) To find the minimum, we look for the critical points where the derivative of f(x) is equal to zero. Taking the derivative of f(x) with respect to x, we get f'(x) = cos(x) - xsin(x). Solving cos(x) - xsin(x) = 0 is not straightforward, but we can use numerical methods or a graphing calculator to find that the minimum value of f(x) in the range 0 ≤ x ≤ 5 is approximately -4.92, and it occurs at x ≈ 3.38.

b) To find the maximum, we also look for critical points and evaluate f(x) at the endpoints of the range. The critical points are the same as in part a, and we can find that f(0) ≈ 0, f(5) ≈ 4.92, and f(1.57) ≈ f(4.71) ≈ 4.92. Thus, the maximum value of f(x) in the range 0 ≤ x ≤ 5 is approximately 4.92, and it occurs at x ≈ 1.57 and x ≈ 4.71.

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answer:

x=74 y=27

steps:

triangle in the middle is

180-126 = 54

180-85 = 95

180-149 = 31

126=2x+1+31

126=2x+32

2x=94

x=74

126+2y=180

2y=54

y=27

The logarithm of 10 to base 10 is 1

The given parameters are:

Base = 10

Number = 10

So, the expression is:

\(\log_{10}10\)

As a general rule;

\(\log_{a}a = 1\)

The above means that;

When the base and the number are the same, the logarithm is 1

So, we have:

\(\log_{10}10 = 1\)

Hence, the logarithmic value is 1

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1. The area of the scale drawing of the park is 146,880 square inches (Option J).

2. The perimeter of the park is 126 feet (Option D).

3. The length of the south side of the park is 40% of the length of the north side (Option F).

1. To find the area of the scale drawing of the park, we need to calculate the area of the trapezium. The formula for the area of a trapezium is (base1 + base2) * height / 2.

Using the scale, the lengths of the bases (parallel sides) in feet would be:

Base1 = 28 inches * 1.5 feet/inch = 42 feet

Base2 = 40 inches * 1.5 feet/inch = 60 feet

Plugging in the values into the formula, we have:

Area = (42 + 60) * 16 / 2 = 1020 square feet

Since the answer options are in square inches, we need to convert the area back to square inches:

Area = 1020 square feet * 144 square inches/square foot = 146880 square inches

Therefore, the area of the scale drawing of the park is 146880 square inches.

2. The perimeter of the park can be calculated by summing up the lengths of all sides.

The lengths of the sides in feet would be:

Side1 = 28 inches * 1.5 feet/inch = 42 feet

Side2 = 40 inches * 1.5 feet/inch = 60 feet

Side3 = 16 inches * 1.5 feet/inch = 24 feet

Adding up all sides, we have:

Perimeter = Side1 + Side2 + Side3 = 42 feet + 60 feet + 24 feet = 126 feet

Therefore, the perimeter of the park is 126 feet.

3. To find the percentage length of the south side compared to the north side, we can calculate:

Percentage = (South Side Length / North Side Length) * 100

Using the scale, the length of the south side in feet would be:

South Side Length = 16 inches * 1.5 feet/inch = 24 feet

The length of the north side is already given as 40 inches * 1.5 feet/inch = 60 feet.

Plugging in the values, we have:

Percentage = (24 feet / 60 feet) * 100 = 40%

Therefore, the length of the south side of the park is 40% of the length of the north side.

Complete Question:

Mikea, an intern with the Parks and Recreation Department, is developing a proposal for the new trapezoidal Springdale Park. The figure below shows her scale drawing of the proposed park with 3 side lengths and the radius of the merry-go-round given in inches. In Mikea's scale drawing, 1 inch represents 1.5 feet.

1. What is the area, in square inches, of the scale drawing of the park? 448 544 H. 640 672 K. 1.088

2. Mikea's proposal includes installing a fence on the perimeter of the park. What is the perimeter, in feet, of the park? A. 84 B. 88 C. 104 D. 126 E 156

3. The length of the south side of the park is what percent of the length of the north side? F. 112% G. 1245 H. 142 J. 1754 K. 250%

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The probability that less than 2 of the 5 are 65 years or older is 70.32%

To calculate the probability that less than 2 out of 5 randomly selected persons from the population of Arizona are 65 years or older, we need to calculate the probabilities of selecting 0 and 1 persons who are 65 years or older and then sum them.

The probability of selecting 0 persons who are 65 years or older can be calculated using the binomial probability formula:

P(X = k) = C(n, k) * p^k * (1 - p)^(n - k)

Where:

P(X = k) is the probability of selecting k persons who are 65 years or older,

C(n, k) is the number of combinations of selecting k items from a set of n items,

p is the probability of selecting a person who is 65 years or older,

(1 - p) is the probability of selecting a person who is not 65 years or older,

n is the total number of trials (sample size).

Using this formula, we can calculate the probability of selecting 0 persons who are 65 years or older:

P(X = 0) = C(5, 0) * 0.14^0 * (1 - 0.14)^(5 - 0)

Similarly, we can calculate the probability of selecting 1 person who is 65 years or older:

P(X = 1) = C(5, 1) * 0.14^1 * (1 - 0.14)^(5 - 1)

Finally, we can sum these probabilities to get the probability of less than 2 persons who are 65 years or older:

P(X < 2) = P(X = 0) + P(X = 1)

Calculating these probabilities:

P(X = 0) = C(5, 0) * 0.14^0 * (1 - 0.14)^(5 - 0) = 1 * 1 * 0.86^5 = 0.2968 (approximately)

P(X = 1) = C(5, 1) * 0.14^1 * (1 - 0.14)^(5 - 1) = 5 * 0.14 * 0.86^4 = 0.4064 (approximately)

P(X < 2) = P(X = 0) + P(X = 1) = 0.2968 + 0.4064 = 0.7032 (approximately)

Therefore, the probability that less than 2 out of 5 randomly selected persons from the population of Arizona are 65 years or older is approximately 0.7032 or 70.32%.

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Answer:

Arithmetic

Step-by-step explanation:

It is adding by 5

Answer:

B. arithmetic

Step-by-step explanation:

it is in arithmetic sequence as we can see the common difference (d) = 9 - 4 = 5

and so all the other terms are greater by 5

Hope it will help :)

Answer:

It will be graph 1

Hope this helps you

Ahmad has been given a list of bands and asked to place a vote.

His vote must have the names of his favorite, second favorite, and third favorite bands from the list. Therefore, he needs to choose three bands out of the list of bands. Let's say there are n bands in the list.Therefore, the number of different votes that are possible is equal to the number of ways Ahmad can choose three bands out of n.

We can calculate this using the combination formula:

n C₃ = (n!)/(3!(n - 3)!)

where n! means n factorial,

or n × (n - 1) × (n - 2)  × 3 × 2 × 1.

For example, if there are 5 bands in the list, then the number of different votes possible would be:

5C₃ = (5!)/(3! × 2!) = (5 × 4 × 3)/(3 × 2 × 1) = 10

there are 10 different votes that are possible when there are 5 bands in the list.In general, if there are n bands in the list, then the number of different votes that are possible is:

n C₃ = (n!)/(3!(n - 3)!)I hope that helps!

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Solving problems involving normal proportions requires careful attention to detail, as well as a good understanding of statistical concepts such as standardization and probability.

When solving a problem where you want to find normal proportions, you can follow the following steps:

Define the problem: Clearly define the problem you are trying to solve, including any relevant details such as the population, sample size, and the variable of interest.

Check assumptions: Check if the conditions for using normal distributions are met. The data should be continuous, the sample size should be large enough, and the distribution should be approximately normal.

Calculate the sample mean and standard deviation: If you are working with a sample, calculate the sample mean and standard deviation.

Standardize the data: Convert the data into standard normal distribution, by subtracting the mean from each observation and dividing by the standard deviation.

Determine the probability: Once the data has been standardized, you can use a standard normal distribution table or a calculator to determine the probability of the variable falling within a certain range or above/below a certain value.

Interpret the results: After determining the probability, interpret the results in the context of the problem. For example, you might conclude that there is a 95% chance that a randomly selected observation falls within a certain range, or that the variable of interest is higher than a certain value in 5% of cases.

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Answer:

(- 2, - 8 ) , (6, 0 )

Step-by-step explanation:

y + 18 = x(x - 3) ← distribute

y + 18 = x² - 3x → (1)

x = y + 6 → (2)

Substitute x = y + 6  into (1)

y + 18 =(y + 6)² - 3(y + 6) ← expand parenthesis using FOIL

y + 18 = y² + 12y + 36 - 3y - 18

y + 18 = y² + 9y + 18 ( subtract y + 18 from both sides )

0 = y² + 8y = y(y + 8)

Equate each factor to zero and solve for y

y = 0

y + 8 = 0 ⇒ y = - 8

Substitute these values into (2) and evaluate for x

y = 0 : x = 0 + 6 = 6 ⇒ (6, 0 )

y = - 8 : x = - 8 + 6 = - 2 ⇒ (- 2, - 8 )

Using conversion of fractions to decimal and divisibility rules, it is found that:

16. Garrett sold the most magazines.

17. The digit 8 makes the number divisible by 9.

A fraction is converted to decimal dividing the numerator by the denominator of the fraction.

Hence, for item 16, the decimal amounts sold by each are given as follows:

Hence:

Garrett sold the most magazines.

A number is divisible by 9 if the sum of it's digits is a multiple of 9.

For the number given, the sum of the digits is:

3 + 4 + 3 + x = 10 + x.

With x = 8, the sum is of 18, which is a multiple of 9, as 9 x 2 = 18, hence:

The digit 8 makes the number divisible by 9.

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The given initial value problem's exact solution: y(t) = 1, and thus y(1) = 1. The Euler approximation of y(1) using a step-size h = 0.5 i: y(1) ≈ 1. Given the initial value problem:

y' = ty ' (0)

 = 0

We are to determine the exact solution y(t) and compute y(1), and also find the Euler approximation of y on the interval [0, 1] using a step-size h = 0.5 (half step size).

(a) The given initial value problem is a first-order linear differential equation, whose standard form is:

y' + P(t)y = Q(t), where P(t) = 0 and Q(t) = 0. Thus, the integrating factor is:

I(t) = e^∫ P(t)dt

      = e^∫ 0 dt

      = 1.

The exact solution y(t) is obtained by multiplying both sides of the differential equation by the integrating factor,

I(t) = 1, and integrating:

y' + P(t)y = Q(t) becomes

y' + 0y = 0, which implies

y' = 0.

Hence, y(t) = Ce^0 = C, where C is a constant determined using the initial condition y(0) = 1. Therefore, we have:

C = y(0) = 1.

Hence, the initial value problem's exact solution is y(t) = 1, and thus y(1) = 1.

(b) Euler Approximation of y using step-size h = 0.5We have h = Δt = 0.5, t0 = 0, tn = 1. The number of steps, n, is given by:

n = (tn - t0)/h

n = (1 - 0)/0.5

n = 2.

Therefore, we have two grid points:

t0 = 0, and

t1 = 0 + 0.5

  = 0.5

For the Euler approximation of y on [0, 1], we use the formula:

yi+1 = yi + h * f(ti, yi), for i = 0, 1, 2, ..., n - 1, where

f(ti, yi) = tiyi

= (0)(yi)

= 0, for i = 0, 1, 2, ..., n - 1.

Hence, we have:

y0 = y(0) = 1, and

y1 = y0 + h * f(t0, y0)

= y0 + h * 0

= 1 + 0

= 1

Therefore, the Euler approximation of y(1) using a step-size h = 0.5 is: y(1) ≈ y1 = 1. Therefore, y(1) ≈ 1. The exact solution of the given initial value problem is: y(t) = 1, and thus y(1) = 1. The Euler approximation of y(1) using a step-size h = 0.5 is: y(1) ≈ 1.

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