I NEED SOME HELP ON THIS QUESTION, IM HAVING DIFFICULTIES ON IT!!!

The distance between the van and Hartville is changing at a rate of 39.42 miles per hour.

This is because the van has traveled 126 miles due west at a rate of 30 miles per hour, meaning it is now 63 miles away from Hartville. If the van continues travelling due west at a rate of 30 miles per hour, then it will take another 2 hours to reach Hartville. Thus, the distance between the van and Hartville is changing at a rate of 63 miles divided by 2 hours, or 39.42 miles per hour.

The distance between the van and Hartville is changing as the van travels due west at a rate of 30 miles per hour. After travelling 126 miles, the van will be 63 miles away from Hartville. This means that the distance between the van and Hartville is decreasing at a rate of 63 miles divided by the amount of time it takes for the van to reach Hartville, which is 2 hours.

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To consider whether this statement is true or not

   ⇒ must determine the number of milliliters in a liter

        ⇒ 1 Liter = 1000 milliliter

To compare both containers, lets set both containers in terms of milliliters

By looking at the data

  ⇒ the 3000-milliliter container holds more than the2-liter container

Thus, the statement: A 2-liter container holds more than a 3,000-milliliter container

  ⇒ False

Answer: False

Hope that helps!

Answer:

False because 2 liters = 2,000 milliliters. Therefore that is not possible.

One significant change was the implementation of the New York State Tenement House Act of 1901, which required new tenement buildings to have adequate ventilation and light, indoor plumbing, and fire escapes.

During the late 19th and early 20th centuries, tenement housing in urban areas was characterized by overcrowding, poor sanitation, and inadequate ventilation.

These conditions led to high rates of disease and mortality among the working-class population that lived in them. To address these issues, the New York City Health Department instituted a series of reforms that required tenement buildings to meet certain design and construction standards.

It also mandated minimum room sizes and set limits on the number of people who could occupy a single room.

These changes helped to improve the living conditions in the worst tenements, reducing the spread of disease and improving the overall health of the city's working-class population.

While tenement housing remained a significant problem in urban areas for many years, the reforms instituted by the Health Department represented an important step towards improving the quality of life for those who lived in these buildings.

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Answer:

(b)

Step-by-step explanation:

1. In a group of cows and chickens, the number of legs was 14 more than twice the number of heads. The number of cows was:

(a) 5, (b) 7, (c) 10, (d) 12, (e) 14

Solution:

Let the number of cows be x and their legs be 4x.

Let the number of chicken be y and their legs be 2x.

Total number of legs = 4x + 2y.

Total number of heads = x + y.

The number of legs was 14 more than twice the number of heads.

Therefore, 2 × (x + y) + 14 = 4x + 2y.

or, 2x + 2y + 14 = 4x + 2y.

or, 2x + 14 = 4x [subtracting 2y from both sides].

or, 14 = 4x – 2x [subtracting 2x from both sides].

or, 14 = 2x.

or, x = 7 [dividing by 2 on both sides].

Therefore, the number of cows = 7.

Answer:

4

Step-by-step explanation:

When you add them the answer is 1.

Now our equation is X plus 4 minus 2 plus X so we will substitute X to our answer which would be

(1) plus 4 -2 plus (1)

1 plus 4 - 2 plus 1

equals to 4

Our answer is 4

We are given the probability that head will come up on tossing the coin, when a coin initially flipped is equally likely to be coin 1 or coin 2 as;P(head will come up) = 12 × 0.7 + 12 × 0.6 = 0.65Now, let’s understand this solution by breaking it down into different steps:

Step 1: Calculation of probability for coin 1Let p(H) and p(T) be the probabilities of the coin 1 being tossed head and tail respectively.Then, we have:p(H) = 0.7, since coin 1 has 70% chance of coming up as heads.p(T) = 0.3, since coin 1 has 30% chance of coming up as tails.Step 2: Calculation of probability for coin 2Similarly, let p(H) and p(T) be the probabilities of the coin 2 being tossed head and tail respectively.Then, we have:p(H) = 0.6, since coin 2 has 60% chance of coming up as heads.p(T) = 0.4, since coin 2 has 40% chance of coming up as tails.

Step 3: Calculation of probability of the head coming upTo find the probability that a head will come up on tossing the coin, we have to consider both the coins.So, the probability of the head coming up = P(head will come up) = 12 × 0.7 + 12 × 0.6 = 0.65Thus, the probability that head will come up on tossing the coin, when a coin initially flipped is equally likely to be coin 1 or coin 2 is 0.65.

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By answering the presented question, we may conclude that The expressions measurement "32-gallon" fish tank means that the fish tank can hold 32 gallons of water.

In mathematics, you can multiply, divide, add, or subtract. An expression is constructed as follows: Number, expression, and mathematical operator A mathematical expression is made up of numbers, variables, and functions (such as addition, subtraction, multiplication or division etc.) It is possible to contrast expressions and phrases. An expression or algebraic expression is any mathematical statement that has variables, integers, and an arithmetic operation between them. For example, the phrase 4m + 5 has the terms 4m and 5, as well as the provided expression's variable m, all separated by the arithmetic sign +.

The measurement "32-gallon" fish tank means that the fish tank can hold 32 gallons of water.

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The probability P[X² + Y² < 1] is equal to π/4.

To find the probability P[X² + Y² < 1], we need to consider the geometric interpretation of the inequality. The inequality X² + Y² < 1 represents the interior of the unit circle centered at (0,0) in the xy-plane.

Since X and Y are uniformly distributed random variables over [0,1), their joint distribution forms a square with side length 1. The area of this square is 1*1 = 1.

To find the probability of the event X² + Y² < 1, we need to determine the area of the region that satisfies this condition. This region is the interior of the unit circle.

The area of a unit circle with radius 1 is πr² = π(1)² = π.

Therefore, the probability P[X² + Y² < 1] is equal to the area of the unit circle divided by the total area of the square, which is π/1 = π.

Hence, the probability P[X² + Y² < 1] is equal to π/4, as π is the area of the unit circle and 4 is the area of the square.

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The geometric average return of RedStone Mines stock over the past four years is approximately (b) 9.94%.

To find the geometric average return of RedStone Mines stock over the past four years, we need to calculate the average return using the geometric mean formula. The geometric mean is used to find the average growth rate over multiple periods. To calculate the geometric average return, we multiply the individual returns and take the nth root, where n is the number of periods.

Given the returns of 7.5%, 15.3%, -9.2%, and 11.5%, we can calculate the geometric average return as follows:

(1 + 7.5%) * (1 + 15.3%) * (1 - 9.2%) * (1 + 11.5%)

Taking the fourth root of the above expression, we get:

Geometric average return = [(1 + 7.5%) * (1 + 15.3%) * (1 - 9.2%) * (1 + 11.5%)]\(^{\frac{1}{4}}\)  - 1 = 9.94

Evaluating, we find that the geometric average return is approximately 9.94%. Therefore, the correct answer is option b. 9.94%.

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Answer:

0.85x + 1.29y < 5

Step-by-step explanation:

0.85x of potatoes

1.29 y of grapes

0.85x+1.29y<5 is required equation

Inequality represents purchase of x pounds of potatoes for \($0.85\) per pound and y pounds of grapes for \(\$1.29\) per pound with  total cost was less than \(\$5\) is equal to \(0.85x + 1.29y < 5.\)

" Linear inequality is defined as the relation between variables with highest exponent one is related with sign of inequality >, < , ≤, ≥."

According to the question,

'x' pounds represents the weight of potatoes

'y' pounds  represents the weight of grapes

Cost of potatoes per pound = \(\$0.85\)

Cost of grapes per pound = \(\$1.29\)

Total cost used to purchase the items = \(\$5\)

Substitute the values to represents the relation of linear inequality,

\(0.85x + 1.29y < 5\)

Hence, linear inequality represents Dan purchase is \(0.85x + 1.29y < 5.\)

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Answer:

p = -30 + 20

Hope this helps!

Answer: 1.8 s

Step-by-step explanation:

Given

The height of the spring mass system above the table is given by

\(h(t)=6.85\cos (3.42t)+9\)

The mass is performing S.H.M with frequency \(\omega =3.42\)

and \(\omega T=2\pi\)

\(\therefore T=\dfrac{2\pi }{\omega}\)

time when mass returns to its original position

\(T=\dfrac{2\pi }{3.42}\\\\T=1.8\ s\)

The number of seconds, to the nearest tenth, will it take for the mass to return to its original position is 1.8 seconds.

Since the equation h(t)=6.85cos(3.42t)+9, where the height is in inches and the time, t, is in seconds

So here the time should be

\(= 2\pi \div 3.42\\\\= 2\times 3.14\div 3.42\)

= 1.8 seconds

Therefore, The number of seconds, to the nearest tenth, will it take for the mass to return to its original position is 1.8 seconds.

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A). Surface area of option1 is 256.85 in²

surface area of option 2 is 309.35 in²

surface area of option 3 is 223.1 in²

B) volume of option 1 is 249.8 in³

volume of option 2 is 249.8 in³

volume of option 3 is 249.8 in³

C). The volumes are thesame

D). I will choose container 3

The area occupied by a three-dimensional object by its outer surface is called the surface area.

A. The surface area of a cylinder is expressed as;

SA = 2πr(r+h)

for option 1

SA = 2 × 3.14 × 5( 5+3.18)

= 31.4 ( 8.18)

= 256.85 in²

For option 2

SA = 2 × 31.4 × 6( 6+2.21)

= 37.68( 8.21)

= 309.35 in²

for option 3

SA = 2 × 3.14 × 3 ( 8.84+3)

= 18.84 × 11.84

= 223.1 in²

B. For volume, the volume of the cylinder is expressed as;

V = πr²h

for first option

V = 3.14 × 5² × 3.18

V = 249.63 in³

For option2

V = 3.14 × 6² × 2.21

V = 249.8 in³

for option 3

V = 3.14 × 3² × 8.84

V = 249.8 in³

C. The cylinders have different surface areas but almost thesame volumes

D. I will advice the company to choose option 3 because it has the lowest surface area and the cost of producing the container will be lesser to others.

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The statement "The mean decreases as the degrees of freedom increase" is not true about chi-square distributions.

In fact, the mean of a chi-square distribution is equal to its degrees of freedom. It does not decrease as the degrees of freedom increase.

The mean remains constant regardless of the degrees of freedom. This is an important characteristic of chi-square distributions.

Regarding the other statements:

In summary, the statement that is not true about chi-square distributions is that the mean decreases as the degrees of freedom increase.

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a) if a price of $15.30 is chosen, the units needed to sell to break even is 167 units.

b) If advertising is increased to $1690.00, and the price is kept at $12.92,  the units needed to break even is 274 units.

The break even is the sales units or amount required to equate the total revenue with the total costs (variable and fixed costs).

At the break-even point, there is no profit or loss.

Variable cost per unit = $6.75

Fixed cost (advertising) = $1,427.00

Suggested retail price = $12.92

Chosen price = $15.30

Contribution margin per unit = $8.55 ($15.30 - $6.75)

a) if a price of $15.30 is chosen, the units needed to sell to break even = Fixed cost/Contribution margin per unit

= $1,427/$8.55

= 167 units

b) New fixed cost = $1,690

Contribution margin per unit = $6.17 ($12.92 - $6.75)

If advertising is increased to $1,690.00, and the price is kept at $12.92,  the units needed to break even = Fixed cost/Contribution margin per unit

= 274 ($1,690/$6.17)

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The same as in part (a), except for the fixed costs, which are now $1690.00. (1690 + 6.75) / 12.92 = 1250

(a) If a price of $15.30 is chosen, the number of units she needs to sell to break even is 522 (rounded up to the nearest whole number).

To break even, the total revenue must equal the total costs. The total revenue is equal to the number of units sold times the price per unit. The total costs are equal to the fixed costs, which are the advertising costs, plus the variable costs, which are the cost per unit.

The number of units she needs to sell to break even is:

(fixed costs + variable costs) / (price per unit)

Substituting the values gives:

(1427 + 6.75) / 15.30 = 522

(b) If advertising is increased to $1690.00, and the price is kept at $12.92, the number of units she needs to sell to break even is 1250 (rounded up to the nearest whole number).

The calculation is the same as in part (a), except for the fixed costs, which are now $1690.00.

(1690 + 6.75) / 12.92 = 1250

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The context that could be modeled by a linear function is "snow was falling at a rate of 2 inches per hour."

In mathematics, a function is a relation between a set of inputs and a set of possible outputs with the property that each input is related to exactly one output. In other words, a function takes an input and produces a corresponding output. It is often represented as a mathematical equation or a graph. Functions are used to model real-world phenomena and are an important tool in many areas of mathematics, science, and engineering.

Here,

A linear function describes a constant rate of change, and in this context, the rate of snowfall is constant at 2 inches per hour. The other contexts involve exponential or percentage change, which cannot be modeled by a linear function.

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The equation of the circle for a circular irrigation field with radius 12 and center at (7 , -10) is (x - 7)^2 + (y + 10)^2 = 144.

The general form of the equation of  circle is given by (x - h)^2 + (y - k)^2 = r^2, where (h , k) is the location of the center and r is the radius of the circle.

Given the radius and center of the circular irrigation field, substitute these values to the general form of the equation of the circle.

(x - h)^2 + (y - k)^2 = r^2

where (h , k) = (7 , -10)

r = 12

(x - 7)^2 + (y - -10)^2 = 12^2

(x - 7)^2 + (y + 10)^2 = 144

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Answer:

343

Step-by-step explanation:

Since you are multiplying exponents with the same bases, you can combine them (you just add the exponents up).

So 7^2*7^5*7^4/7^3*7^4*7^2

simplify

7^11/7^8 = 7^3 = 343

(when dividing exponents with the same base, you subtract the exponent).

Answer:

1,977,326,743 / 5,764,801 or 1,977,326,743 over 5,764,801

Step-by-step explanation:

7^1 is 7

7^2 is 7 x 7

7 x 7 = 49

7^3 is 7 x 7 x 7

7 x 7 x 7 = 343

7^4 iS 7 x 7 x 7 X 7

7 x 7 x 7 x 7 = 2,401

7^5 is 7 x 7 x 7 x 7 x 7

7 x 7 x 7 x 7 x 7 = 16,807

top row:

49 x 16,807 x 2,401 = 1,977,326,743

bottom row:

343 x 2,401 x 7 = 5,764,801

The Fraction:

1,977,326,743/5,764,801

i hope this helps

Answer:

Variable terms:

x and y

Constant terms:

7 and -9

Coefficient terms:

-5.6 and 24

Answer:

3/9

Step-by-step explanation:

3/9 = 0.33333333

0.333333

is a reeating decimal

Answer:

the coordinates are(5,2)

Ratio analysis can be made more meaningful in all the following ways except by focusing more on long-term solvency than on short-term solvency.

Ratio analysis is a mathematical technique for analyzing a company's financial documents, such as the balance sheet and income statement, to gather knowledge about its liquidity, operational effectiveness, and profitability. Fundamental equity research is built on ratio analysis.

In order to get insights into profitability, liquidity, operational effectiveness, and solvency, ratio analysis examines line-item data from a company's financial statements.

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The full question:

ratio analysis can be made more meaningful in all the following ways except by?

The function f is increasing on the interval (6, ∞).

The function f will be increasing in the intervals where f'(x) > 0.

To find these intervals, we can examine the sign of each factor of f'(x), which is (x + 1)²(x - 3)⁵(x - 6)⁴.

We can analyze the sign of f(x) by considering the factors individually:

(x+1)²: This factor is always positive since it is the square of a real number.

(x - 3)⁵: This factor is positive when x>3 and negative when x< 3.

(x - 6)⁴: This factor is positive when x>6 and  negative when x< 6.

We need to consider the overlapping regions of positivity for each factor.

When x>6, all three factors are positive, so  f ′ (x) is positive.

When 3<x<6: In this interval, the factor  (x+1)² is positive, but both (x−3)⁵ and (x−6)⁴ are negative.

Thus, f ′ (x) is negative.

When x<−1: In this interval,  (x+1)² is negative, while (x−3)⁵ and (x−6)⁴ are positive.

Hence, f ′ (x) is negative.

Therefore,  the function f(x) is increasing on the interval x>6.

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Answer:

3.6

Step-by-step explanation:

Hi there!

We are given this expression:

.6√36 (.6*√36)

And we want to find the value of it

.6 can be re-written as 0.6

In that case,

0.6*√36

First, simplify what's under the radical: √36, which is equal to 6 (6*6=36)

The expression then becomes:

0.6*6

Multiply those numbers together

0.6*6=3.6

Hope this helps!

Step-by-step explanation:

Apply Quotient of Powers:

\( \frac{ {9}^{9} }{ {9}^{3} } = {9}^{9 - 3} = 9 {}^{6} \)

The 2nd question is the first option

The 3rd question is the third option

Answer:

1st one: 9^6

2nd one: m^3

3rd one :a^3b^5

(im not entirely sure about the second one)

Answer:

there is nothing there

Step-by-step explanation:

Answer:

what's the question ?

.

.

.

The correct answer of the operation is option B: 4x^2 - 9.

To perform the operation (2x-3)(2x+3), we can use the FOIL method, which stands for First, Outer, Inner, Last. Let's go through the steps:

First: Multiply the first terms of each binomial.

(2x)(2x) = 4x^2

Outer: Multiply the outer terms of each binomial.

(2x)(3) = 6x

Inner: Multiply the inner terms of each binomial.

(-3)(2x) = -6x

Last: Multiply the last terms of each binomial.

(-3)(3) = -9

A binomial is a two-term algebraic expression that contains variable, coefficient, exponents and constant, a binomial is an expression that has two unlike terms connected through an addition or subtraction operator in between.  

Now, let's combine the like terms:

4x^2 + 6x - 6x - 9

Notice that the terms 6x and -6x cancel each other out.

Simplifying further, we have:

4x^2 - 9

The correct answer is option B: 4x^2 - 9.

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Answer:

2 miles

Step-by-step explanation:

1/6 × 12 = 2

You can work it as fractions to understand better

1 over 6 × 12 over 1. It's the same as 12÷6

Hello there. To solve this question, we have to remember some properties about solving equations for a variable.

Given the following equation:

We want to solve it for w.

First, notice we can group some factors

Subtract lh on both sides of the equation

Assuming l + h is not equal to zero, divide both sides of the equation by this factor

This is the answer to this question.