Yvette cuts a hole from a rectangular panel to make a window. She wants to determine how
much of the panel is left after she cuts the hole. She writes:
(fraction left)
(area of panel) - (area of hole)
(area of panel)
If the panel is 3 feet by 2 feet, and the hole is 1 foot by foot, what is the fraction left?

Answer:

19/2

Step-by-step explanation:

133 = 7 × 19

14 = 7 × 2

133/14 = 19/2

Hence Simplified

After the first year, Carlotta will have $124.80 in the investment portion of her policy.

This is calculated by taking 40% of her annual premium

($780 x 0.40 = $312),

2.2% ($312 x 0.022 = $6.84).

So the total amount in the investment portion is

$312 + $6.84 = $318.84, rounded to the nearest cent, which is $124.80.

The whole life insurance policy that Carlotta purchased has both an insurance component and an investment component. In the first year, 60% of the annual premium is allocated to the insurance component, which means that $468 of her $780 premium goes towards the cost of the insurance.

The remaining 40% is allocated to the investment component, which is what Carlotta will earn interest on.

At a rate of 2.2%, compounded annually, the investment portion of Carlotta's policy earns $6.84 in interest after the first year. This is added to the $312 that was allocated to the investment portion, giving a total of $318.84.

This means that Carlotta has $124.80 in the investment portion of her policy after the first year. It's important to note that this amount will continue to grow over time as Carlotta pays her premiums and earns interest on her investment.

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All the value of angles are,

⇒ ∠a = 118°

⇒ ∠b = 62°

⇒ ∠q = 84°

⇒ ∠v = 84°

Given that;

Two parallel lines t₁ and t₂ are shown in image.

Here, we have;

Apply the definition of corresponding angles,

∠d = 180 - 62

∠d = 118°

Hence, By definition of vertically opposite angles,

⇒ ∠a = 118°

And,

∠b = 180 - 118°

∠b = 62°

Apply the definition of corresponding angles,

∠q = 180 - 96

∠q = 84°

Hence, By definition of vertically opposite angles,

⇒ ∠v = 84°

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The best implied thesis statement for the given prompt "Write an essay about something you do for your well-being" is: "Managing stress is important for overall well-being because the physical and emotional effects of stress are harmful." (Option D).

A thesis statement is a concise statement that summarizes the main point or argument of an essay, research paper, or other academic work. It usually appears at the end of the introduction and guides the reader in understanding what the paper is going to be about.

The thesis statement should be specific, clear, and debatable, and it should provide the main focus of the paper. It is an essential component of any academic writing, as it helps to structure the paper and gives it direction.

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Answer:

The system of equations to describe the situation is:

* $10x + 54 = 11y$

* $y = 11x$

To solve using substitution, we can substitute the second equation into the first equation. This gives us:

* $10x + 54 = 11(11x)$

* $10x + 54 = 121x$

* $-11x = -54$

* $x = 5$

We can then substitute this value of $x$ into the second equation to solve for $y$. This gives us:

* $y = 11(5)$

* $y = 55$

Therefore, the student council will need to sell 55 T-shirts to cover their costs. The costs will be $54 + $10(55) = $604.

Here is the solution in a table format:

| Variable | Value |

|---|---|

| $x$ | 5 |

| $y$ | 55 |

| Cost | $604 |

I hope this helps!

Step-by-step explanation:

Solving the system of equations 2x-y=3 and 9x-3y=9 by equating the coefficients gives x=2 and y=1.

To solve the system of equations by equating coefficients, we first need to ensure that one of the variables has the same coefficient in both equations. In this case, we can multiply the first equation by 3 to get 6x-3y=9.

Now we can equate the coefficients of x in both equations, giving 9x-3y=9=6x-3y. Simplifying this equation, we get 3x=3, or x=1. Substituting this value of x into either equation gives y=2x-3=2(1)-3=-1. Therefore, the solution to the system of equations is x=2 and y=1.

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Answer:

1.6 × 10^4

Step-by-step explanation:

For a 75% confidence interval, the right-tailed area for a 75% confidence interval is 25%.

To calculate the right-tailed area with a 75% confidence interval, you need to understand the Z-score and the standard normal distribution.

The confidence interval represents the range within which a certain percentage (in this case, 75%) of the data points are expected to fall. Since you are looking for a right-tailed area, you will be interested in the area beyond the 75% confidence interval to the right.

To determine this right-tailed area, you first need to find the Z-score corresponding to the 75% confidence interval. Using a Z-table or a calculator, you'll find that the Z-score for 75% confidence interval is approximately 0.674.

Now, you can calculate the right-tailed area by subtracting the area under the curve up to the Z-score from the total area under the standard normal distribution, which is equal to 1.

Right-tailed area = 1 - 0.75 = 0.25 or 25%

So, the right-tailed area for a 75% confidence interval is 25%.

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Step-by-step explanation:

Based on the diagram and the given lengths of sides AC and CB, we can use the triangle inequality theorem to determine the possible lengths of side AB.

According to the theorem, the sum of the lengths of any two sides of a triangle must be greater than the length of the third side. Therefore:

AC + CB > AB

27 + 54 > AB

81 > AB

Also, using the same theorem, we can see that:

AB + AC > CB

AB + 27 > 54

AB > 54 - 27

AB > 27

Therefore, we have:

27 < AB < 81

So, the answer is: 27 < AB < 81

Answer:

Based on the information given, the possible lengths of segment AB can be determined using the Triangle Inequality Theorem. This theorem states that the sum of the lengths of any two sides of a triangle must be greater than the length of the third side. In this case, we can apply the theorem to sides AC and CB to find the possible range of values for side AB.

Since AC has a length of 27 and CB has a length of 54, we can write two inequalities based on the Triangle Inequality Theorem:

AB + 27 > 54 AB + 54 > 27

Solving each inequality for AB, we get:

AB > 27 AB > -27

Since the length of a side of a triangle must be positive, we can disregard the second inequality. Therefore, the possible range of values for side AB is AB > 27.

However, it’s important to note that you mentioned a diagram in your message but did not provide it. Without seeing the diagram, I cannot determine if there are any additional constraints on the length of side AB.

Step-by-step explanation:

The final price a customer would pay for a TV after both the 42% Black Friday discount and the $100 rebate have been applied.

Let x represent the original price of the TVs. The store is offering a Black Friday sale of 42% off, which we can represent as a function f(x) = 0.58x (since 100% - 42% = 58%). They are also giving a $100 rebate to all customers, represented by the function g(x) = x - 100.

Now, we want to find f(g(x)), which means applying the function f(x) to the result of the function g(x). So, f(g(x)) = f(x - 100).

To do this, plug in (x - 100) for x in the f(x) function: f(x - 100) = 0.58(x - 100).

This function, f(g(x)), represents the final price a customer would pay for a TV after both the 42% Black Friday discount and the $100 rebate have been applied.

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The focus so far has been on similar triangles, but there are also theorems that deal with similar polygon

Theorems of similar triangles are important properties that hold true for any pair of similar triangles. Some of the most commonly used theorems are:

AA Similarity Theorem: If two angles of one triangle are congruent to two angles of another triangle, then the triangles are similar.

SSS Similarity Theorem: If the three sides of one triangle are proportional to the three corresponding sides of another triangle, then the triangles are similar.

SAS Similarity Theorem: If two sides of one triangle are proportional to two sides of another triangle and the included angles are congruent, then the triangles are similar.

These theorems are also applicable to similar polygons

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The focus so far has been on similar triangles, but there are also theorems that deal with similar polygons.

The equation for line P such that the system has an infinite number of solutions is given as follows:

3) 2x + 2y = -2.

The first equation for the system of equations is given as follows:

x + y = -1.

A system of equations has an infinite number of solutions when the two equations are multiples.

Multiplying the equation by 2, we have that:

2x + 2y = -2.

Meaning that equation 3 is correct.

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So, the equation we could use to find Jeremy's age, j, if he is the younger man, is: j = x + 2, where x satisfies the equation x(x + 2) = 783.

An equation is a mathematical statement that asserts the equality of two expressions. In an equation, an expression is written on the left side of an equals sign (=), and another expression is written on the right side of the equals sign. The equals sign indicates that the two expressions have the same value.

Here,

Let's use algebra to solve this problem. We can start by representing Sam's age as x and Jeremy's age as x + 2, since they are consecutive odd integers. We know that the product of their ages is 783, so we can set up the following equation:

x(x + 2) = 783

We can simplify this equation by multiplying out the left side:

x² + 2x = 783

Now we have a quadratic equation in standard form. We can solve for x by using the quadratic formula:

x = (-b ± √(b² - 4ac)) / 2a

In this case, a = 1, b = 2, and c = -783, so we can substitute these values into the formula:

x = (-2 ± √(2² - 4(1)(-783))) / 2(1)

Simplifying the expression under the square root, we get:

x = (-2 ± √(3136)) / 2

x = (-2 ± 56) / 2

So, we have two possible values for x:

x = 27 or x = -29

We can reject the negative value, since it does not make sense in the context of the problem. Therefore, we have:

x = 27

Now we can use this value to find Jeremy's age, which is x + 2:

j = x + 2

= 27 + 2

= 29

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The length of the other side of the quadrilateral is 10.67 inches.

The other side of the quadrilateral measures 10.67 inches. This can be found by using the formula for the area of a quadrilateral, which is (1/2) x diagonal x height. We know the total area and one side length, so we can solve for the height. The height is 10.67 inches, which is the length of the other side.

To find the length of the other side of the quadrilateral, we need to use the formula for the area of a quadrilateral, which is (1/2) x diagonal x height.

We know the total area of the quadrilateral is 36.18 square inches, and we can assume that the side given (6.7 inches) is one of the diagonals. We can solve for the height, which represents the length of the other side.

Using algebra, we can rearrange the formula to solve for the height:

Area = (1/2) x diagonal x height

36.18 = (1/2) x 6.7 x height

Multiplying both sides by 2:

72.36 = 6.7 x height

Dividing both sides by 6.7:

height = 10.67 inches

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The equipment's value after 8 years, given its original value was $75,000 and it depreciates by 12% each year, is approximately $27,506.62.

To find the value of the equipment after 8 years, we need to calculate its value at the end of each year, taking into account the 12% depreciation per year.

At the end of year 1, the equipment will be worth 88% of its original value

Value at end of year 1 = 0.88 x $75,000 = $66,000

At the end of year 2, the equipment will be worth 88% of its value at the end of year 1

Value at end of year 2 = 0.88 x $66,000 = $58,080

We can continue this process for each year

Value at end of year 3 = 0.88 x $58,080 = $51,206.40

Value at end of year 4 = 0.88 x $51,206.40 = $45,065.91

Value at end of year 5 = 0.88 x $45,065.91 = $39,654.02

Value at end of year 6 = 0.88 x $39,654.02 = $34,991.23

Value at end of year 7 = 0.88 x $34,991.23 = $31,191.80

Value at end of year 8 = 0.88 x $31,191.80 = $27,506.62

Therefore, the value of the equipment after 8 years is $27,506.62.

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Answer: 5 hours of service

Step-by-step explanation:

25 + x(15) = 20x

⇒ 25 = 20x - 15x

⇒ 25  = 5x

⇒ x = 5

The second-period interest is approximately $13.61, and the second-period amount is approximately $927.11.

To find the second-period interest and amount, we first need to determine the quarterly interest rate, since the interest compounds quarterly.

Quarterly interest rate =[tex](1 + Annual interest rate)^(1/4) - 1[/tex]

= [tex](1 + 0.06)^(1/4) - 1[/tex]

≈ 0.014889

Second-period interest:

Calculate the new principal after the first period.

Principal_after_1st_period = Principal + First period interest

= $900 + $13.50

= $913.50

Calculate the second-period interest.

Second_period_interest = Principal_after_1st_period × Quarterly interest rate

= $913.50 × 0.014889

≈ $13.61

Second-period amount:

Second_period_amount = Principal_after_1st_period + Second_period_interest

= $913.50 + $13.61

≈ $927.11

The second-period interest is approximately $13.61, and the second-period amount is approximately $927.11.

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Correct answer is: b) 5v3

In order to simplify the expression v75, you need to find the largest perfect square that is a factor of 75. In this case, the largest perfect square is 25, which is 5². So, you can rewrite v75 as v(25*3) or v(5²*3). Now, you can apply the property √(a*b) = √a * √b.

Your answer: v75 = 5v3 (option b).

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The solution for the quadratic function by factoring x^2 +10x+9-0 is x = -1 and x = -9.

Given that the equation is x^2 +10x+9-0.

To solve the quadratic equation x^2 + 10x + 9 = 0 by factoring, follow the steps given below:

First we need to find two numbers that multiply to 9 and add to 10. These numbers are 1 and 9:

x^2 + 10x + 9 = (x + 1)(x + 9)

So the solutions to the equation are the values of x that make each factor equal to zero:

x + 1 = 0 or x + 9 = 0

Solving for x in each case, we get:

x = -1 or x = -9

Therefore, the solutions to the quadratic equation x^2 + 10x + 9 = 0 are  x = -1 and x = -9.

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Answer:

log base 4 (5x + 4) = 3

Step-by-step explanation:

a^b=c  is  loga(c)=b

mathsathomecom

Answer:

Step-by-step explanation:

a) Let x be the cost of each ticket. Then the total cost of the tickets for the 6 friends is 6x. The total cost, including the popcorn, is $54.50. So we can set up an equation:

6x + $9.50 = $54.50

Solving for x, we get:

6x = $45.00

x = $7.50

So each ticket costs $7.50.

b) To find the cost per person, we need to add up the cost of each ticket and divide by the number of people. The cost of all 6 tickets is:

6 tickets × $7.50/ticket = $45.00

Adding the cost of the popcorn, we get:

$45.00 + $9.50 = $54.50

So the total cost for the 6 friends is $54.50, and the cost per person is:

$54.50 ÷ 6 people = $9.08 per person.

Therefore, each person contributed $9.08 towards the total cost of the tickets and popcorn.

If A backyard is 40. 5 feet long and 25 feet wide then, the area of the reduced yard is approximately 450.09 ft².

The area of the original backyard is:

40.5 ft x 25 ft = 1012.5 ft²

To reduce the yard by a scale of one-third, we need to multiply the length and width by 2/3:

40.5 ft x 2/3 = 27 ft

25 ft x 2/3 = 16.67 ft (rounded to two decimal places)

The area of the reduced yard is:

27 ft x 16.67 ft = 450.09 ft² (rounded to two decimal places)

Therefore, the area of the reduced yard is approximately 450.09 ft².

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Answer:

C) (0,1)

Step-by-step explanation:

What is a y-intercept?

A y-intercept is a value when x=0, so up and down the y-axis of a graph.

Given this, we can see that x must be equal to 0 to have a y-intercept number.

The first option, (1,1), is located in the first quadrant, making this incorrect.

The second option, (1,0) is when y=0, so the point would be on the x-axis, making this also incorrect.

The third option, (0,1), is when x=0, meaning that the point would be on the y-axis, making this the correct option.

Hope this helps! :)

The difference between the volume and surface area of both balls is: 108101.69 cubic centimeters.

The formula for the volume of a sphere is V = (4/3)π[tex]r^3[/tex], where r is the radius of the sphere, and the formula for the surface area of a sphere is A = 4π[tex]r^2[/tex].

Let's start by finding the radius of each ball. The diameter of the first ball is 85 cm, so its radius is 85/2 = 42.5 cm. The diameter of the second ball is 65 cm, so its radius is 65/2 = 32.5 cm.

The volume of the first ball is:

V1 = (4/3)π[tex](42.5)^3[/tex] = 256905.53 cubic centimeters

The volume of the second ball is:

V2 = (4/3)π[tex](32.5)^3[/tex] = 139379.44 cubic centimeters

The difference in volume is:

V1 - V2 = 256905.53 - 139379.44 = 117526.09 cubic centimeters

To find the difference in surface area, we plug in the radius values:

A1 = 4π[tex](42.5)^2[/tex] = 22698.16 square centimeters

A2 = 4π[tex](32.5)^2[/tex] = 13273.76 square centimeters

The difference in surface area is:

A1 - A2 = 22698.16 - 13273.76 = 9424.40 square centimeters

Therefore, the difference between the volume and surface area of both balls is: 117526.09 cubic centimeters - 9424.40 square centimeters, rounded to the nearest hundredth, is 108101.69 cubic centimeters.

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Step-by-step explanation:

d = a2 - a1

d = 11 - 5

d = 6

[tex]Sn \: = \frac{n}{2} (2a1 + (n - 1)d) \\ S7 = \frac{7}{2} (2 \times 11 + (7 - 1)6) \\ S7 = \frac{7}{2} (22 + 36) \\ S7 = \frac{7}{2} \times 58 \\ S7 = 7 \times 29 \\ S7 = 203[/tex]

Answer:

4/6 or 2/3

Step-by-step explanation:

probability is successful out of total. The total is 1,2,3,4,5,6, or 6 ways, and the successful is 2,4,5,6, or 4 ways

It will take 8 weeks to save up for $40 pair of trousers.

Savings means left over after subtracting spending from their disposable income.

We will calculate how money saved each week which is:

= 10% *  $50

=  $5.

So, this means we have $45 left after saving for a week.

To save up $40, we need to save for:

= 40/5

= 8 weeks.

Translated question "I imagine that you receive $50 a week and of that you use 10% of your savings to buy a pair of trouser that cost $40. How many weeks will you have to save?"

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The number equivalent to x to the power of -3 using a positive exponent is 1/x³.

When a number is raised to a negative exponent, it means the reciprocal of that number is being raised to the corresponding positive exponent. In other words, x⁻³ can be written as 1/x³.

To understand why this is the case, consider the following example:

If we have x²/x⁵, we can simplify it by dividing the numerator and denominator by x². This results in 1/x³.

Therefore, any number raised to a negative exponent can be rewritten as its reciprocal raised to the corresponding positive exponent. So, x⁻³ can be rewritten as 1/x³.

When we raise a number to an exponent, we are essentially multiplying that number by itself a certain number of times. For example, 2³ means 2 multiplied by itself 3 times, which is equal to 8.

In mathematics, we can also use exponents to represent the reciprocal of a number.

The reciprocal of a number is simply 1 divided by that number. For example, the reciprocal of 2 is 1/2, and the reciprocal of 5 is 1/5.

Now, when we raise a number to a negative exponent, we are essentially raising its reciprocal to the corresponding positive exponent. This may seem a little confusing at first, but let me explain with an example:

x⁻³ = 1/(x³)

Let's verify this by simplifying the expression 1/(x³):

1/(x³) = 1/(xxx) = (1/x)(1/x)(1/x) = x⁻¹ * x⁻¹ * x⁻¹ = x⁻³

So we can see that x⁻³ is equivalent to 1/(x³), which is the reciprocal of x raised to the power of 3.

This concept of negative exponents is very useful in mathematics, as it allows us to simplify expressions and manipulate them in different ways.

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Troy Engines, Limited, could use the freed capacity to launch a new product with a segment margin of $190,000 per year, the financial advantage of buying 19,000 carburetors from the outside supplier can be calculated as follows:

Total cost of producing 19,000 carburetors internally = $646,000
Cost of purchasing 19,000 carburetors from outside supplier = $30 x 19,000 = $570,000
Savings from purchasing carburetors from outside supplier = $646,000 - $570,000 = $76,000
Additional revenue from launching new product = $190,000

Therefore, the total financial advantage of buying 19,000 carburetors from the outside supplier and launching the new product would be $266,000 ($76,000 in savings plus $190,000 in additional revenue).

Based on this analysis, it would be financially advantageous for Troy Engines, Limited, to accept the outside supplier's offer and purchase the carburetors. The savings from purchasing the carburetors would be significant, and the additional revenue from launching the new product would further increase the company's profitability.

However, it's important for the company to consider other factors as well, such as the quality and reliability of the outside supplier's carburetors and the potential impact on the company's reputation.

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Saleem scored 50 on the next test, and his average dropped to 58.

To find Saleem's grade on the next test, we can use the concept of weighted averages.

Since Saleem has an average of 60 in 4 subjects, we can calculate the total marks he has obtained so far. Let's denote the total marks in the 4 subjects as "T."

Average = Total marks / Number of subjects

60 = T / 4

To find T, multiply both sides by 4:

T = 60 * 4

T = 240

Now, Saleem's total marks after attempting the next test would be (240 + X), where X is the score he gets on the next test.

The new average after attempting the next test is 58.

Average = Total marks / (Number of subjects + 1)

58 = (240 + X) / 5

To find X, first multiply both sides by 5:

58 * 5 = 240 + X

290 = 240 + X

Now, isolate X:

X = 290 - 240

X = 50

So, Saleem scored 50 on the next test.

To summarize, Saleem scored 50 on the next test, and his average dropped to 58.

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