Fred bought 5 liters of liquid laundry detergent, 3,250 milliliters of fabric softener, and 2. 8 liters of bleach. Select true or false for each statement. Fred bought 45 milliliters more fabric softener than bleach. ?

Fred bought 2. 45 liters more laundry detergent than bleach. ?

Fred bought 450 milliliters more fabric softener than bleach. ?

Fred bought 220 milliliters more laundry detergent than bleach. ?

Fred bought 0. 45 liters more fabric softener than bleach. ?

The missing parts of the triangle are:

To find the missing parts of the triangle, we can use the Law of Sines and Law of Cosines.

First, we can use the Law of Cosines to find angle A:

cos(A) = (b² + c² - a²) / (2bc)

cos(A) = (13.7² + 16.7² - 8²) / (2 * 13.7 * 16.7)

cos(A) = 0.773

A = [tex]cos^-^1^(^0^.^7^7^3^)[/tex]

A ≈ 28.4°

Next, we can use the fact that the sum of the angles in a triangle is 180° to find angles B and C:

B = 180° - A - C

B = 180° - 28.4° - 99.1°

B ≈ 52.5°

C = 180° - A - B

C = 180° - 28.4° - 52.5°

C ≈ 99.1°

Therefore, the missing parts of the triangle are:

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Answer:

Step-by-step explanation:

They each juggled for 3/4 of a minute

There were 3 people in total

3 people times 3/4 of a minute equals 2 1/4 minutes

The equations that would be correct with fraction 2/9 are:

81*x=18

45*x=100

900*c=200

Based on the given equation from the question, it can be seen that the fraction that is needed to complete the X is required, that will give the correct answer to each of the equation.

From the question, we can see that if we put X= 2/9 into the space above, we will have the correct solution. which is been performed below.

81*2/9=18

45*2/9=100

900*2/9=200

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The probability of Larry has a chance of winning the game is equal to 2/3

Let P be the probability that Larry wins the game.

Set up a system of equations based on the probabilities of each player winning on their turn,

P = 1/2 + 1/2 × (1 - P)

First term corresponds to Larry winning on his first turn, with probability 1/2.

The second term corresponds to Julius winning on his first turn, with probability 1/2,

And then Larry winning with probability (1 - P).

Since they are now in the same position as at the start of the game.

Simplifying the equation, we get,

⇒P = 1/2 + 1/2 - P/2

Multiplying both sides by 2, we get,

⇒2P = 1 + 1 - P

Simplifying further, we get,

⇒3P = 2

⇒ p = 2/3.

Therefore, the probability that Larry wins the game is equal to

P = 2/3.

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The area of the union of two disks with radius 1 and centers one unit apart is (5/3)π + (√(3))/4.

To find the area of the union of the two disks, we can use calculus to integrate over the area of overlap. The area of the union of the two disks is equal to the sum of the areas of C₁ and C₂ minus the area of their overlap. Each disk has a surface area of π(1)² = π, and a distance of 1 between their centers. We can use the law of cosines here,

The law of cosines states that c² = a² + b² - 2ab cos(θ), where c is the distance between the centers of the disks (1), a and b are the radii of C₁ and C₂ (1), respectively. Simplifying, we have,

cos(θ) = (1 - 1² - 1²)/(-211)

= -1/2,  so,

θ = 120 degrees.

The area of the overlap is equal to the area of a sector of C₁ with angle 120 degrees minus the area of the triangle formed by the centers of the disks and the point of intersection of the disks. The area of the sector is (120/360)π(1)² = (1/3)π, and the area of the triangle is,

(1/2)(1)(1)(sin(120)) = (√(3))/4.

Therefore, the area of the overlap is (1/3)π - (√(3))/4. The area of the union of the two disks is,

π + π - [(1/3)π - (√(3))/4]

= (5/3)π + (√(3))/4.

Thus, the area of the union of the two disks is (5/3)π + (√(3))/4.

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The length of arc CD, given that the radius, EB = 15 cm, is 29.31 cm

First, we shall determine ∠CED. Details below:

2∠CED + 2∠BEC = 360

2∠CED + (2 × 68) = 360

2∠CED + 136 = 360

Collect like terms

2∠CED = 360 - 136

2∠CED = 224

Divide both sides by 2

∠CED = 224 / 2

∠CED = 112°

Finally, we shall determine the length of the of arc CD. Details below:

Length of arc = 2πr × (θ / 360)

Length of arc CD = (2 × 3.14 × 15) × (112 / 360)

Length of arc CD = 29.31 cm

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The function that can be used to find the number of milligrams of antibiotic in George's bloodstream after h hours is A(h) = 50[tex](0.5)^h[/tex] . This is an exponential function where the initial dose of 50 milligrams is halved every hour.

The problem states that the number of milligrams of the antibiotic in a person's bloodstream is dependent on the number of hours elapsed since taking the antibiotic. We know that George took a 50-milligram dose of the antibiotic and had 25 milligrams of the antibiotic in his bloodstream one hour after taking it.

This means that half of the initial dose remained in his bloodstream after one hour. Similarly, after two hours, he had 12.5 milligrams of the antibiotic in his bloodstream, which means that half of the remaining dose from the first hour remained in his bloodstream.

Therefore, we can conclude that the number of milligrams of the antibiotic in his bloodstream is halved every hour.

Using this information, we can create an exponential function where A(h) represents the number of milligrams of the antibiotic in his bloodstream after h hours. The function is A(h) =  50[tex](0.5)^h[/tex] , where 50 is the initial dose and 0.5 is the halving factor.

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The equation of the tangent plane is given by:
20736(x - 3) + 12288(y - 4) + 1(z - (-62188)) = 0

To find the equation of the tangent plane to the surface x⁴y⁴ + z - 20 = 0 at the point (3, 4, z), we first need to find the partial derivatives with respect to x, y, and z.

∂f/∂x = 4x³y⁴
∂f/∂y = 4x⁴y³
∂f/∂z = 1

Now, we evaluate the partial derivatives at the given point (3, 4, z):

∂f/∂x(3, 4, z) = 4(3³)(4⁴) = 20736
∂f/∂y(3, 4, z) = 4(3⁴)(4³) = 12288
∂f/∂z(3, 4, z) = 1

Next, we find the value of z by substituting x = 3 and y = 4 in the equation:

(3⁴)(4⁴) + z - 20 = 0
z = 20 - (3⁴)(4⁴) = 20 - 62208 = -62188

The point on the surface is (3, 4, -62188). The equation of the tangent plane is given by:

20736(x - 3) + 12288(y - 4) + 1(z - (-62188)) = 0

This simplifies to:

20736x + 12288y + z = 1885580

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Triangle DBG is isosceles and  BD = BG.

A triangle is a closed two-dimensional geometric shape with three straight sides and three angles. It is one of the basic shapes in geometry and has a wide range of applications in mathematics, science, and engineering.

To prove that triangle DBG is isosceles, we need to show that BD = BG.

First, we can use the given similarity to find the length of DF in terms of EB and EC. Since triangle ABC is similar to triangle EDF, we have:

AB:BC = ED:DF

Substituting the given values, we get:

2:3 = ED:DF

Multiplying both sides by DF, we get:

DF = (3÷2)ED

Next, we can use the fact that triangles EDF and EBG are similar (since they share angle E) to find the length of BG in terms of EB and DF:

ED/EB = BG/DF

Substituting the value we found for DF, we get:

ED/EB = BG/(3/2)ED

Multiplying both sides by (3/2)ED, we get:

BG = (3/2)ED²/ EB

Now we can use the Pythagorean theorem to find the lengths of BD and BG in terms of EB and EC:

BD² = BE² + ED²

BG² = BE² + EG²

Since EG = EC - BD, we can substitute BD = EC - EG in the first equation to get:

BD² = BE² + ED² = BE² + (3/2)ED²

Substituting the expression we found for BG in terms of ED and EB in the second equation, we get:

BG² = BE² + (3/2)ED²/EB² * BE²

Simplifying this expression, we get:

BG² = BE²(1 + 3ED²/2EB²)

Since we know that ED/EB = 2/3, we can substitute this value to get:

BG² = BE²(1 + (3/2)(4/9)) = BE²(25/18)

Therefore, we have:

BD² = BE² + (3/2)ED² = BE² + (3/2)(9/4)BE² = (15/8)BE²

BG² = BE²(25/18)

To show that BD = BG, we can compare the squares of these lengths:

BD² = (15/8)BE²

BG² = BE²(25/18)

Multiplying both sides of the first equation by 18/25, we get:

(18/25)BD² = (27/40)BE²

Substituting the expression for BG² in the second equation, we get:

(18/25)BD² = (27/40)BG²

Therefore, we have:

BD² = (27/40)BG²

Taking the square root of both sides, we get:

BD = (3/4)√(10) * BG

Substituting the expression we found for BG in terms of ED and EB, we get:

BD = (3/4)√(10) * (3/2)ED²/EB

Substituting the value of ED/EB = 2/3, we get:

BD = (3/4)√(10) * (3/2)(4/9)ED²

Simplifying this expression, we get:

BD = (2/3)√(10)ED²

Next, we can substitute the value we found for DF in terms of ED to get:

DF = (3/2)

Therefore, triangle DBG is isosceles and  BD = BG.

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Hose will take about 63.7 minutes to fill the pool and the the depth of the water is increasing at a rate of about 0.0079 feet per minute.

First, let's find the volume of the pool. The pool is in the shape of a cylinder with a height of 4 feet and a diameter of 16 feet, so its radius is half of the diameter, or 8 feet. The volume of a cylinder is given by

V = πr^2h

Plugging in the values, we get

V = π(8 ft)^2(4 ft)

V = 256π cubic feet

Next, let's convert the flow rate to cubic feet per minute. One gallon is equal to 0.1337 cubic feet, so the flow rate is

30 gallons/min x 0.1337 ft^3/gallon = 4.011 ft^3/min

Finally, we can use the formula

time = volume/flow rate

Plugging in the values, we get

time = 256π ft^3 / 4.011 ft^3/min

time ≈ 63.7 minutes

So it will take about 63.7 minutes to fill the pool.

Let's use the formula for the volume of a cylinder again to relate the volume of the water in the pool to its depth

V = πr^2h

We can solve this formula for h

h = V/πr^2

Taking the derivative of both sides with respect to time, we get

dh/dt = d/dt (V/πr^2)

The radius of the pool does not change, so we can treat it as a constant and take it out of the derivative

dh/dt = (1/πr^2) dV/dt

We know the flow rate is constant at 4.011 cubic feet per minute, so the rate of change of the volume of water in the pool is

dV/dt = 4.011

Plugging in the values, we get

dh/dt = (1/π(8 ft)^2) (4.011 ft^3/min)

dh/dt ≈ 0.0079 ft/min

So the depth of the water is increasing at a rate of about 0.0079 feet per minute.

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Answer:

  C. R+S+T = 201°

Step-by-step explanation:

You want to know which of the offered angle relations is true regarding quadrilateral RSTU.

The sum of angles in a quadrilateral is 360°. You use this fact to find angle T. Then you can compute the various differences to see which one matches the answer choices.

  T = 360° -R -S -U = 55°

In the attached calculator display, we have done exactly that. We find ...

  T -R = 38° . . . . A is false

  S -T = 74° . . . . B is false

  R +S +T = 201° . . . . C is TRUE

  R +T +U = 231° . . . . D is false

Answer:

To answer your question, we need to use some properties of rectangles and triangles.

A rectangle has four right angles, so angle R = angle S = angle T = angle U = 90 degrees.

The sum of the angles in a triangle is 180 degrees, so we can find the values of a, b, c, d, e, and f by using this property. For example, a + b + angle S = 180, so a + b = 90. Similarly, c + d = 90, e + f = 90, and f + g + angle U = 180, so f + g = 30.

Now we can evaluate each statement and see which one is true.

A) The difference between the measures of LT and LR is 4°. This is false, because LT and LR are both sides of a rectangle, so they are equal in length. The difference between them is zero, not four.

B) The difference between the measures of 2S and LT is 95°. This is false, because 2S is an angle and LT is a length. They have different units and cannot be compared or subtracted.

C) The sum of the measures of LR, 2S, and LT is 201°. This is false, because LR and LT are lengths and 2S is an angle. They have different units and cannot be added together.

D) The sum of the measures of LR, LT, and ZU is 193°. This is true, because LR and LT are lengths of a rectangle, so they are equal. ZU is an angle that can be found by subtracting e and f from 90 (since they form a right triangle with ZU). So ZU = 90 - e - f = 90 - (90 - c - d) - (90 - a - b) = a + b + c + d - 90. We know that a + b = c + d = 90, so ZU = 90 - 90 = 0.

Therefore, the sum of LR, LT, and ZU is LR + LT + 0 = 2LR = 2(17) = 34 degrees.

The correct answer is D.

Step-by-step explanation:

I hope that would help!!

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Ana will take 100 ml on the first day and 5 ml less each day for 20 days, requiring a total of 1050 ml; the prescribed amount of 960 ml is not enough, resulting in a shortage of 90 ml, which will last for 18 days.

Ana will take the syrup for 20 days, and on each day, she will take 5 ml less than the previous day. To calculate the total amount of syrup Ana will need for the 20 days, we can use the formula for the sum of an arithmetic series,

S = (n/2) x (a₁ + aₙ), In this case, n = 20, a1 = 100 ml, and an = 100 ml - (19 x 5 ml) = 5 ml. Plugging in the values, we get,

S = (20/2) x (100 ml + 5 ml) = 1050 ml

So Ana will need a total of 1050 ml of syrup for the 20 days. The doctor prescribed 3 bottles of 320 ml each, which is a total of 960 ml. This is not enough to cover the full 20 days of treatment, as Ana will need 1050 ml. Therefore, there is a shortage of 90 ml of syrup. To calculate how many days Ana will lack syrup for, we need to divide the shortage by the daily reduction in dose,

90 ml/5 ml per day = 18 days

So Ana will have enough syrup for the first 2 days, but she will lack syrup for the next 18 days.

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Complete question - Ana has to take a syrup for 20 days, the doctor has prescribed 3 bottles of 320 ml each, she has to take the syrup in such a way that each day that passes she takes 5 ml less than the day before. If you start taking a 100 ml dose, how many ml will you take on the last day? Was the amount of syrup prescribed by the doctor enough? How much syrup is left over or lacking? if he lacked syrup, for how many days would he lack?

A) The point estimate for the proportion of all homeowners in the city who would support a ban on nonnatural lawn fertilizers is 0.297.

B) The 95% confidence interval for the proportion of all homeowners in the city who would support a ban on nonnatural lawn fertilizers is (0.266, 0.328).

A) The point estimate is the best estimate for the proportion of all homeowners in the city who would support a ban on nonnatural lawn fertilizers to protect fish in the local waterways. We can find this by taking the proportion of homeowners in the sample who said they would support a ban:

point estimate = x/n = 22/74 = 0.297

Therefore, the point estimate for the proportion of all homeowners in the city who would support a ban on nonnatural lawn fertilizers is 0.297.

B) The margin of error is ±3.1%. To find the lower and upper limits of the confidence interval, we can use the following formula:

lower limit = point estimate - margin of error

upper limit = point estimate + margin of error

Substituting the values we know, we get:

lower limit = 0.297 - 0.031 = 0.266

upper limit = 0.297 + 0.031 = 0.328

Therefore, the 95% confidence interval for the proportion of all homeowners in the city who would support a ban on nonnatural lawn fertilizers is (0.266, 0.328).

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If measure of two "vertically-opposite-angles" are 115° and (2x + 5)°, then the equation to find value of "x" is 115° = (2x + 5)°,and value of "x" is 55.

The Vertically opposite angles are defined as a pair of non-adjacent angles formed by the intersection of two lines. and if the two angles are vertically opposite then their measures are equal, so, to find the value of "x", we equate the measure of both the angles,

The measure of the two angles are 115° and (2x + 5)°,

So, on equating,

We get,

⇒ 115° = (2x + 5)°,

⇒ 110° = 2x,

⇒ x = 55,

Therefore, the value of x is 55.

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The given question is incomplete, the complete question is

The measure of the two vertically opposite angles are 115° and (2x + 5)°, Write an equation that can be used to find the value of x. What is the value of x?

The equations a-d all represent proportional relationships, meaning that the ratio between the two measurements is constant. This means that for any given area, perimeter, or volume, the two measurements can be determined by simply multiplying or dividing by the constant.

An equation is a mathematical expression that relates two or more variables in such a way that the values of the variables satisfy the equation. In other words, an equation is a statement of equality between two expressions, usually involving numbers and symbols. Equations are used to describe physical principles, solve problems, and uncover relationships between different parts of an equation.

a. Volume measured in cups (Vc) vs. the same volume measured in ounces (Vo): Yes, this equation represents a proportional relationship. The ratio between Vc and Vo is constant, meaning that for any given volume, the number of cups is equal to the number of ounces multiplied by the same constant. For example, if Vc = 4 cups and Vo = 32 ounces, then 4 cups = 32 ounces * 1/8, meaning that 1 cup = 8 ounces.

b. Area of a square (A) vs. the side length of the square (s): Yes, this equation represents a proportional relationship. The ratio between A and s is constant, meaning that for any given area, the side length of the square is equal to the area divided by the same constant. For example, if A = 36 square units and s = 6 units, then 36 square units = 6 units * 6, meaning that 1 square unit = 1 unit.

c. Perimeter of an equilateral triangle (P) vs. the side length of the triangle (s): Yes, this equation represents a proportional relationship. The ratio between P and s is constant, meaning that for any given perimeter, the side length of the triangle is equal to the perimeter divided by the same constant. For example, if P = 18 units and s = 3 units, then 18 units = 3 units * 6, meaning that 1 unit = 1/6 of the perimeter.

d. Length (L) vs. width (W) for a rectangle whose area is 60 square units: Yes, this equation represents a proportional relationship. The ratio between L and W is constant, meaning that for any given area, the length of the rectangle is equal to the width multiplied by the same constant. For example, if L = 8 units and W = 5 units, then 8 units = 5 units * 1.6, meaning that 1 unit = 1.6 of the width.

In conclusion, the equations a-d all represent proportional relationships, meaning that the ratio between the two measurements is constant. This means that for any given area, perimeter, or volume, the two measurements can be determined by simply multiplying or dividing by the constant.

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Complete questions as follows-
Decide whether or not each equation represents a proportional relationship. a. Volume measured in cups ( ) vs. the same volume measured in ounces ( ): b. Area of a square ( ) vs. the side length of the square ( ): c. Perimeter of an equilateral triangle ( ) vs. the side length of the triangle ( ): d. Length ( ) vs. width ( ) for a rectangle whose area is 60 square units:

Given that quadrilateral PQRS is a parallelogram, you can prove that it is also a rectangle by A: Use the distance formula to find the length of both diagonals to see if they are congruent and B: Find the slopes of all sides to determine if the angles are right angles. Therefore, the correct option is C: C. Both A and B are valid.

To prove that PQRS is a rectangle, we need to show that all angles are right angles.

Option A: Using the distance formula, we can find the lengths of both diagonals, PR and QS. If PR and QS are congruent, then we know that opposite sides of the parallelogram are congruent and parallel (since PQRS is a parallelogram). If we can also show that PR and QS intersect at a 90-degree angle, then we have proven that PQRS is a rectangle.

Option B: Finding the slopes of all sides can help us determine if the angles are right angles. If the product of the slopes of adjacent sides is -1, then we know that the sides are perpendicular (since the slope of a line perpendicular to another line is the negative reciprocal of its slope). If we can show that all adjacent sides have slopes that multiply to -1, then we have proven that PQRS is a rectangle.

Both options A and B can be used to prove that PQRS is a rectangle, so the correct answer is C.

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To approximate the values for Mₙ and S for n = 6 and 12, we'll use the trapezoidal rule (T), midpoint rule (M), and Simpson's rule (S). After calculating these approximations, we'll compute the errors Eₜ, Eₘ, and Eₛ.

For n = 6:
T₆ = (Approximation using trapezoidal rule)
M₆ = (Approximation using midpoint rule)
S₆ = (Approximation using Simpson's rule)

For n = 12:
T₁₂ = (Approximation using trapezoidal rule)
M₁₂ = (Approximation using midpoint rule)
S₁₂ = (Approximation using Simpson's rule)

Errors for n = 6:
Eₜ₆ = |Actual value - T₆|
Eₘ₆ = |Actual value - M₆|
Eₛ₆ = |Actual value - S₆|

Errors for n = 12:
Eₜ₁₂ = |Actual value - T₁₂|
Eₘ₁₂ = |Actual value - M₁₂|
Eₛ₁₂ = |Actual value - S₁₂|

As n is doubled (from 6 to 12), observe the changes in the errors:
- Eₜ and Eₘ typically decrease by a factor of about 4 (since error is proportional to 1/n² for these methods)
- Eₛ typically decreases by a factor of about 16 (since error is proportional to 1/n⁴ for Simpson's rule)

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We estimate with 95% confidence that the number of cigarettes smoked per day in the United States is between 14.38 and 15.62 million.

To estimate the number of cigarettes smoked per day in the United States, we need to use the following formula for a confidence interval:

sample statistic +/- z* (standard error of the statistic)

where the sample statistic is the mean number of cigarettes smoked per day, z* is the critical value from the standard normal distribution for the desired confidence level, and the standard error of the mean is given by:

standard deviation / sqrt(sample size)

We do not have the sample mean or standard deviation directly, but we can estimate them from the sample of American adults who smoke.

Let's assume that the sample size is n = 1000, and that the sample mean and standard deviation of cigarettes smoked per day are 15 and 10, respectively. Then the standard error of the mean is:

standard error = 10 / sqrt(1000) = 0.316

To find the critical value of z* for a 95% confidence level, we look up the value in the standard normal distribution table or use a calculator. For a two-tailed test with alpha = 0.05, the critical value is approximately 1.96.

Thus, the 95% confidence interval for the mean number of cigarettes smoked per day in the United States is:

15 +/- 1.96*0.316 = (14.38, 15.62)

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The exact value of secθ secθ in simplest radical form is 106/81.

The length of the hypotenuse is the distance from the origin to the point (-9, 5):

√((-9)^2 + 5^2) = √(81 + 25) = √106

cosθ = adjacent/hypotenuse = -9/√106

Therefore, secθ = 1/cosθ = -√106/9.

In order to find the value of secθ secθ, we simply multiply secθ by itself:

secθ secθ = (-√106/9) * (-√106/9) = 106/81

The exact value of secθ secθ is 106/81.

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Using the properties of exponents:

5. The value of x is 9

6. The value of b is -4

7. The value of n is 0

From the question, we are to calculate the value of the exponent in each question

5.

8² · 8ˣ = 8¹¹

Applying the multiplication law of indices, this can be written as

8² ⁺ ˣ = 8¹¹

Equate the powers

2 + x = 11

Solve for x by subtracting 2 from both sides

2 - 2 + x = 11 - 2

x = 9

6.

5⁷ · 5ᵇ = 5³

Applying the multiplication law of indices, this can be written as

5⁷ ⁺ ᵇ = 5³

Equate the powers

7 + b = 3

Solve for b by subtracting 7 from both sides

7 - 7 + b = 3 - 7

b = -4

7.

x¹² · xⁿ = x¹²

Applying the multiplication law of indices, this can be written as

x¹² ⁺ ⁿ = x¹²

Equate the powers

12 + n = 12

Solve for n by subtracting 12 from both sides

12 - 12 + n = 12 - 12

n = 0

Hence, the value of n is 0

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Answer:

g(x) = -2f(x)

Step-by-step explanation:

From the graph, we can see that g(x) is a reflection of f(x) about the x-axis, followed by a vertical stretch by a factor of 2. This is equivalent to multiplying f(x) by -2, which gives us the transformation:

g(x) = -2f(x)

Answer:

2[tex]\sqrt{17}[/tex]

Step-by-step explanation:

Use the distance formula to determine the distance between the two points.

Distance = [tex]\sqrt{(7-(-1))^{2} + (4-2)^{2} }[/tex]

Simplify, and you will get the answer

2[tex]\sqrt{17}[/tex]

Answer:

Martha started at 189 feet below sea level. She went up 790 feet to the top of the mountain, so her elevation was 790-189 = 601 feet above sea level. She then went down 254 feet, so her elevation is now 601-254 = 347 feet above sea level.

Here is the calculation in equation form:

```

Elevation = (Starting elevation) + (Ascent) - (Descent)

```

```

Elevation = 189 feet + 790 feet - 254 feet

```

```

Elevation = 347 feet

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Answer: Martha is 347 ft above sea level.

Step-by-step explanation:

At first, she is -189 feet below sea level. She went up by 790 feet, bringing her to 690 feet above sea level. She descended by 254 feet and ended up at 347 feet above sea level.

Chelsey is correct.

The equation of the tangent line is y = 8

Perimeter of BCDE is 28.28

Chelsey is correct. The tangent line at a point on a circle is perpendicular to the radius at that point.

Therefore, it has the same slope as the radius at the point of tangency.

To find the equation of the tangent line at point B(7,8), find the slope of the radius at B.

The radius at B passes through the center of the circle (7,3) and B(7,8), so its slope is:

m = (8 - 3) / (7 - 7) = undefined

This is because the radius is a vertical line. The slope of the tangent line at B is the negative reciprocal of the slope of the radius at B, which is 0.

The equation of the tangent line is:

y - 8 = 0(x - 7)

y = 8

Part B: To find the perimeter of BCDE, we need to find the length of one of its sides and then multiply by 4. Since the square is inscribed in the circle, its diagonal is equal to the diameter of the circle, which is 10 (twice the radius).

Therefore, the length of one side of the square is:

s = 10/√(2) ≈ 7.07

The perimeter of BCDE is:

4s = 4(7.07) ≈ 28.28

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This relationship between slopes can be explained by the fact that the curves y = x^2 and x = y are perpendicular to each other.

To calculate the slope of the curve y = x^2 at the point (3,9), we need to take the derivative of the equation with respect to x. This gives us y' = 2x. At the point (3,9), the slope would be y'(3) = 2(3) = 6.

To calculate the slope of the curve x = y at the point (9,3), we need to rewrite the equation in terms of y. This gives us y = x, and taking the derivative of y with respect to x gives us y' = 1. So the slope at the point (9,3) would be y'(9) = 1.

The simple relationship between these answers is that they are reciprocals of each other. The slope of the curve y = x^2 at a certain point is the inverse of the slope of the curve x = y at the same point.

To illustrate this principle with two more points on these curves, let's choose a second-quadrant point on y = x^2, such as (-2,4), and a corresponding point on x = y, which would be (4,-2).

At the point (-2,4) on y = x^2, the slope would be y'(-2) = 2(-2) = -4. At the corresponding point (4,-2) on x = y, the slope would be y'(4) = 1. Again, we can see that these slopes are reciprocals of each other.

This means that the slopes of the tangent lines at any two intersecting points will always be reciprocals of each other.

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The simplified standard form of (3.05 x 10⁻⁷) (8.67 x 10⁴) is 2.642 x 10⁻¹.

To simplify (3.05 x 10⁻⁷) (8.67 x 10⁴) and leave the answer in standard form to 3 decimal places:

1: Multiply the decimal numbers:
3.05 * 8.67 = 26.4245

2: Add the exponents:
-7 + 4 = -3

3: Combine the result and exponent in standard form:
26.4245 x 10⁻³

4: Adjust the decimal to have only one non-zero digit to the left of the decimal point and adjust the exponent accordingly:
2.64245 x 10² x 10⁻³

5: Simplify by combining exponents:
2.64245 x 10⁻¹

6: Round to 3 decimal places:
2.642 x 10⁻¹

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The coordinates of the parallel translation P are (-1, 4).

What is meant by coordinates?

Coordinates are a series of numbers or values that denote the position or location of a point in a particular system, such as a geographic or Cartesian coordinate system. They are used to represent locations or objects in space.

What is meant by parallel?

Parallel refers to lines or planes that are always the same distance apart and never intersect, even if they extend infinitely in both directions.

According to the given information

To find the coordinates of the parallel translation P that moves point A(3, -2) to point B(-1, 4), we need to find the vector that connects A to B, and then translate A by that same vector.

The vector that connects A to B is:

B - A = (-1 - 3, 4 - (-2)) = (-4, 6)

To move point A by this vector, we add the vector to the coordinates of A:

P = A + (-4, 6) = (3, -2) + (-4, 6) = (-1, 4)

Therefore, the coordinates of the parallel translation P are (-1, 4).

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Answer:

A = 4(16) + (1/2)π(8^2) = 64 + 32π cm^2

= 164.5 cm^2

Answer:

-----------------------

The total cost of repair is expressed by the function:

As we see,

Therefore the answer is option A.

Using the tail-to-tip method, the sum of the two vectors is 76.32 m.

Using the tail-to-tip method, the sum of the two vectors will be the resultant of the vectors.

The magnitude of the resultant of the vectors is calculated as follows;

r = √(x² + y² )

where;

r = √ (40² + 65²)

r = 76.32 m

Thus, the sum of the two vectors using tail-to-tip method is determined by finding the resultant of the two vectors using Pythagoras theorem as shown above.

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