Use a trigonometric ratio to solve for y. Round to two decimals places as necessary giving brainliest to whoever gets the correct answer. Image is below

Answer:

In GeoGebra, m∠EAD = 120°. Both m∠ADC and m∠AEC are 90° because the tangent to a circle is perpendicular to the radius drawn from the point where the tangent touches the circle.

Step-by-step explanation:

plato :>

Answer:

6016920.57

Step-by-step explanation:

First, find (57)^3

= 185193

Then find (5.7)^2

= 32.49

Finally,

multiply both answers:

32.49 .  185193

= 6016920.57

Answer: 6016920.57

Step-by-step explanation:

(57)^3 = 185193

(5.7)^2 = 32.49

32.49 *  185193 = 6016920.57

The coordinate location of the point S' is (-1.5, 4).

The scale factor of the dilation is 0.25.

To find coordinate location of the point S' after a dilation using a scale factor of 0.5 , we can use the following formula:

S' = scale factor * S

where S' is the image of S and S is the preimage. The coordinate of S is (-3, 8)

Substituting the values, we get:

S' = 0.5 * (-3, 8)

S' = (-1.5, 4)

Thus, the  coordinate location of the point S' is (-1.5, 4).

PART 2

The scale factor of the dilation is given by:

scale factor = coordinate of image / coordinate of preimage

Let's pick one of the coordinates (you can use either x or y coordinate). We pick B:

scale factor = B'/B

scale factor = 1/4 = 0.25

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Answer: 70%

Step-by-step explanation:

make x=the percent of the discount.

$1,920 x=$1,344

           x =$1,344÷ $1,920

           x =0.7 or 70%

The probability of the student's name being drawn first is 1/3.

The probability that you and your two friends will be chosen, but your name will be drawn first is 1/3.The likelihood or chance of a specific event happening is referred to as probability. The probability of an event is represented by a number between 0 and 1, with 0 indicating that the event will never occur, and 1 indicating that the event will always occur.

Probability formula the probability of an event occurring is calculated by dividing the number of favorable outcomes by the total number of possible outcomes. Probability (P) = number of favorable outcomes/total number of possible outcomes.Probability of the scenario The total number of people who can be picked is three, with one of them being the student.

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To solve the quadratic function -3x² + 5x + 9 = 0, the formula that should be used is Option C: x = (-5 ± √133) / -6.

What is a quadratic function?

A polynomial function with one or more variables, where the largest exponent of the variable is two, is referred to as a quadratic function. It is also known as the polynomial of degree 2 since the greatest degree term in a quadratic function is of second degree.

The quadratic formula is used to solve quadratic equations in the form of ax² + bx + c = 0, where a, b, and c are constants.

To use the quadratic formula to solve the equation -3x² + 5x + 9 = 0, we need to identify the values of a, b, and c.

In this case, a = -3, b = 5, and c = 9.

Therefore, we can use these values to plug into the quadratic formula -

x = (-b ± √(b² - 4ac)) / 2a

So the answer that can be used to find the solutions to the equation using the quadratic formula is -

x = (-5 ± √(5² - 4 × (-3) × 9)) / 2 × (-3)

Solving this equation we get -

x = (-5 ± √(25 + 108)) / -6

x = (-5 ± √133) / -6

Therefore, the solution is obtained by the equation x = (-5 ± √133) / -6.

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Answer:

36

Step-by-step explanation:

(2 x 10)+(2 x 8) = 36

The total area is 36 cm squared.

There are 84 calories from alcohol in a margarita containing 12 grams of alcohol.

What is Algebraic expression ?

Algebraic expression can be defined as combination of variables and constants.

The formula to calculate the calories from alcohol in a drink is:

Calories from alcohol = (Grams of alcohol) x (7 calories per gram)

Therefore, to calculate the calories from alcohol in a margarita containing 12 grams of alcohol, we use this formula:

Calories from alcohol = 12 grams x 7 calories/gram = 84 calories

Therefore, there are 84 calories from alcohol in a margarita containing 12 grams of alcohol.

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Answer:80

Step-by-step explanation:

Area is multiple from 20 and 4 so the answer is 80

Answer: -46

Step-by-step explanation:

First f-g (since its in parenthesis)

  f(x)=3x^5+6x^2-5

-  g(x)=3x^5-5x^4-15

=          0  -5x^4 +6x^2 + 10

then, sub in 2 for x

(-5x^4 +6x^2 + 10); x=2

-5(2)^4 + 6(2)^2 + 10 = -46

*can only subtract terms with the same power

9 kilom-eters, is Bloomin-gton from Reag-an's house, measured in a str-aight line.

"A method to find a single unit value from a multiple unit value and to find a multiple unit value from a single unit value."

We always count the unit or amount value first and then calculate the more or less amount value.

For this reason, this procedure is called a unified procedure.

Many set values ​​are found by multiplying the set value by the number of sets.

A set value is obtained by dividing many set values ​​by the number of sets.

=29-20

=9 km

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The third quartile for the given conditions is 224.

Given that a  sample of nine participants is selected and their total cholesterol levels are measured as follows:

185 225 240 196 175 180 194 147 223

The third quartile is the median of the upper half of a data set.

We can calculate the third quartile by arranging the data in ascending order and finding the median of the upper half of the data.

Therefore, the data arranged in ascending order is:

147 175 180 185 194 196 223 225 240

Now, the upper half of the data is:

194 196 223 225 240

There are five data values in the upper half, so the median is the mean of the 3rd and 4th values in the ordered list:

Q3=(223+225)/2 = 448/2 = 224

Hence, the third quartile is 224.

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The amount of salt in the tank 10 minutes after the process begins is 9.6 pounds.

As per the given information,

a tank with a capacity of 100 gallons initially contains 50 gallons of water with 10 pounds of salt in solution. Freshwater enters at a rate of 2 gallons per minute and a well-stirred mixture is pumped out at the same rate. Compute the amount of salt (in pounds) in the tank 10 minutes after the process begins.

We know that

Amount of salt in the tank = Salt concentration x Volume of water

Amount of salt at t = 0 in the tank = 10 pounds

Volume of water at t = 0 in the tank = 50 gallons

Amount of salt at time t in the tank can be calculated by the following formula.

Amount of salt in the tank at time t = (Amount of salt at t = 0) - (Freshwater enters at rate × Salt concentration in the tank)

Now, let's calculate the amount of salt in the tank after 10 minutes.

Calculate the volume of water in the tank after 10 minutes

The rate of freshwater enters into the tank is 2 gallons per minute

So, the volume of water that entered the tank in 10 minutes = 2 × 10 = 20 gallons

Initial volume of water in the tank = 50 gallons

Volume of water in the tank after 10 minutes

= Initial volume + Freshwater enters - Freshwater pumped out

= 50 + 20 - 20

= 50 gallons

Calculate the salt concentration in the tank after 10 minutes.

Initially, the salt concentration = (Amount of salt at t = 0) / (Volume of water at t = 0) = 10/50 = 0.2 lbs/gallon

Now, the amount of salt at time t = 10 min = 10 - 2 × 0.2 = 9.6 lbs

So, the salt concentration after 10 minutes = 9.6 / 50 = 0.192 lbs/gallon

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The total earnings of the worker under the Halsey Premium Plan is ₹1500 and under the Rowan Plan is ₹2250. the worker is paid for the actual time taken for the job.

(i) Halsey Premium Plan (Rate 50%)Under the Halsey Premium Plan, for a given job, the worker is paid 50% of the standard time allotted for the job. The rate per hour is ₹75. The total earnings of the worker can be calculated as follows: Earnings = (Standard Time Allotted x Rate per Hour x 50%) = (40 hours x ₹75 x 50%) = ₹1500 (ii) Rowan PlanUnder the Rowan Plan, for a given job, the worker is paid for the actual time taken for the job. The rate per hour is ₹75. The total earnings of the worker can be calculated as follows: Earnings = (Actual Time Taken x Rate per Hour) = (30 hours x ₹75) = ₹2250In conclusion, the total earnings of the worker under the Halsey Premium Plan is ₹1500 and under the Rowan Plan is ₹2250.

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Answer:

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The proportion of the pool that will be filled when the first pump works for 2 hours and the second pump works for 3 hours is given as follows:

100%.

The fraction of the pool that will be filled when the first pump works for 2 hours and the second pump works for 3 hours is obtained applying the proportions in the context of the problem.

One pump can fill a swimming pool in 4 hours, hence the proportion filled in two hours is given as follows:

2/4 = 50%.

A second pump can fill the pool in 6 hours, hence the proportion filled in three hours is given as follows:

3/6 = 50%.

Then the total proportion is given as follows:

50 + 50 = 100%.

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With the equation solved, we obtain variable x=-3.

Equations are statements in mathematics containing the equals (=) sign flanked on either side by two algebraic expressions. The connection between the phrases displayed on the left and right sides is shown to be equal in this way. In all mathematical equations, LHS = RHS (left hand side = right hand side) is used. Solving the equations to get the value of an unknown variable that stands in for an unknown quantity.

Given equation: 4⁻²ˣ × 4ˣ=64

Let 4ˣ be y

y⁻² × y=64

Solving the equation, we get

y/y²=64

y=1/64

Putting the value of y, we get

4ˣ=1/64

4ˣ=4⁻³

Hence, value of x=-3.

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The statement "two proofs are required to establish the provable equivalence of two sentences of tfl" is false.

Only one proof is required to establish the provable equivalence of two sentences of TFL.

What is TFL? TFL (Truth-Functional Logic) is a form of propositional logic in which the only logical expressions are truth functions. Truth functions are built from a fixed set of truth-functional connectives or operators, each of which operates on one or more sentences to create a compound sentence. TFL's operators are all truth-functional; that is, the truth or falsity of a sentence depends solely on the truth or falsity of its atomic components and how they are combined by the operators.

Here are the five standard truth-functional operators in TFL:

Conjunction: AND (•)

Disjunction: OR (+)

Negation: NOT (~)

Conditional: IF...THEN (→)

Biconditional: IF AND ONLY IF (↔)

Proofs are used to demonstrate the validity of sentences in TFL. It is important to note that a sentence's validity is a property of the sentence itself, not the sentence's meaning. To demonstrate the validity of a sentence in TFL, proofs are created.In TFL, two sentences are provably equivalent if and only if they are logically equivalent. The provable equivalence of two sentences in TFL only requires one proof. Thus, the statement, "Two proofs are required to establish the provable equivalence of two sentences of TFL," is false.

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The linear function changes at a rate of [tex]5/4[/tex]. This implies that [tex]y[/tex] grows by [tex]5/4[/tex] units for every unit increase in [tex]x[/tex].

The graph of a linear function is a direct line. The following is the form of a linear function. a + bx = y = f(x). One independent variable one and dependent variable make up a linear function.

A linear relation on the reference system is represented by a linear function. As an illustration, the equation y = 3x – 2 depicts a linear function since it is a straight line in the coordinate plane. This function may be expressed as f(x) => 3x - 2 since y could be substituted with f(x).

slope = (change in y) / (change in x)

slope [tex]= (1 - (-4)) / (4 - 0)[/tex]

slope [tex]= 5 / 4[/tex]

Therefore, the rate of change of the function is [tex]5/4[/tex]. This means that for every [tex]1[/tex] unit increase in [tex]x[/tex], [tex]y[/tex] increases by [tex]5/4[/tex] units.

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Answer:

x = -60

Step-by-step explanation:

1/4x - 3 = 1/2x + 12

add three to both sides

1/4x = 1/2x + 15

subtract 1/2x from both sides

-1/4x = 15

divide by -1/4

x = -60

Answer:

11%

Step-by-step explanation:

find the price of the shirts before markup by dividing 10800 by 400

You get 27, which you will subtract 30 by, getting you 3.

Divide this number by 27

.11

3. x = 148°

4. x = 142°

5. x = 29.33°

6. x = -0.4 which is wrong data

Angles are geometric figures formed by two rays that share a common endpoint. This common endpoint is called the vertex of the angle.

3. Adjacent angles sum is 180°

So, x + 32° = 180°

x = 148°

4. Vertical opposite angles are equal,

So, x = 142°

5. Right angle, So, Adjacent angles sum is 90°

3x + 2x = 90°

5x = 90°

x = 29.33°

6. Vertical opposite angles are equal,

So, x - 2 = 6x

5x = -2

x = -0.4   which is wrong data

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The experimental probability of rolling a number less than 4 is:

P(less than 4) = 6/12 (in fraction)

P(less than 4) = 0.5 (in decimal)

P(less than 4) = 50% (in percentage)

Probability is the likelihood of a desired event happening.

Experimental probability is a probability that relies mainly on a series of experiments.

The numbers less than are 1, 2 and 3. Since six of the twelve outcome in the table are less than 4. Thus, the experimental probability of rolling a number less than 4 will be:

P(less than 4) = 6/12 (in fraction)

P(less than 4) = 0.5 (in decimal)

P(less than 4) = 50% (in percentage)

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Answer:

To find the area of the isosceles trapezoid, we can use the formula:

Area = ((upper base + lower base) / 2) x height

First, we need to find the height of the trapezoid. We can use the Pythagorean theorem to find the height, since the legs of the trapezoid form a right triangle with the height as the hypotenuse.

Using the Pythagorean theorem:

height^2 = leg^2 - ((lower base - upper base) / 2)^2

= 5^2 - ((16 - 8) / 2)^2

= 25 - 4^2

= 9

height = 3 cm

Now that we have the height, we can use the area formula:

Area = ((8 + 16) / 2) x 3

= 12 x 3

= 36 cm^2

Therefore, the area of the isosceles trapezoid is 36 square centimeters.

Bo would drive 893 miles on 38 gallons of fuel.The number of miles driven by Bo is directly proportional to the number of gallons of fuel he has used.

This means that if we know how many miles Bo has driven for a certain number of gallons of fuel, we can calculate how many miles he would drive with a different number of gallons of fuel. To calculate this, we need to first determine the ratio of miles driven per gallon of fuel used. To do this, we can use the data given in the problem: Bo has driven 188 miles on 8 gallons of fuel, and 799 miles on 34 gallons of fuel.

We can calculate the ratio of miles driven per gallon of fuel used by dividing the number of miles driven by the number of gallons used. In this case, the ratio is 188/8 = 23.5 miles per gallon. We can then use this ratio to calculate the number of miles Bo would drive on 38 gallons of fuel. To do this, we simply multiply the ratio by the number of gallons used, which in this case is 38. This gives us 38 x 23.5 = 893 miles.

Therefore, Bo would drive 893 miles on 38 gallons of fuel.

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Answer:

  9000 feet altitude

Step-by-step explanation:

Given that the y-value for this situation represents altitude in thousands of feet, you want to know what the y-value of the point of intersection represents.

The problem statement tells you the meaning of the y-value anywhere. It is "altitude in thousands of feet."

The point of intersection is (2, 9), where the x-value is time in minutes.

The y-value of 9 at the point of intersection represents an altitude of 9000 feet.

__

Additional comment

This  is an exercise in reading comprehension.

The volume of the cylinder is 6π (18.84) cubic inches.

What is volume in mensuration ?

In mensuration, volume is the measure of the amount of space occupied by a three-dimensional object or a region in space. It is a measure of the capacity of an object and is usually expressed in cubic units, such as cubic meters, cubic centimeters, or cubic inches.

To understand the concept of volume in more detail, we can visualize the cylinder as a three-dimensional object with circular bases and curved sides. The height of the cylinder represents the distance between the circular bases, and the radius represents the distance from the center of the circular bases to their edges. The volume of the cylinder represents the amount of space inside the cylinder, and can be thought of as the product of the area of the circular base and the height of the cylinder.

To find the volume of a cylinder, we use the formula:

V = πr²h

where V is the volume, r is the radius, and h is the height of the cylinder. Since the diameter of the cylinder is given as 2 inches, we can find the radius as:

radius = diameter / 2 = 2 / 2 = 1 inch

Now, we can substitute the values of the radius and height into the formula to find the volume:

V = π(1)²(6) = 6π

Therefore, the volume of the cylinder is 6π cubic inches.

In practical applications, the concept of volume is used in many areas, such as manufacturing, engineering, architecture, and physics. For example, the volume of a cylinder can be used to calculate the amount of liquid it can hold, the amount of material needed to fill it, or the amount of air it can displace.

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Madison will require 88 fabric squares, rounded up to the next integer, therefore option B is the correct solution.(d).

A circle's circumference is the distance around its outside boundary.

The following formula can be used to compute it.

C = 2πr

The diameter of the circle is equal to the perimeter of the circular mirror, which is 2r, where r is the radius.

Circumference = 2 x 3.14 x 14 cm = 87.92 cm

Madison will need to cover this area with 1 cm cloth squares.

The number of fabric squares required equals the perimeter / length of each square.

87.92 cm / 1 cm = 87.92 fabric squares required

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Answer:

The expression 6c + 4d - c - 7d can be simplified by combining like terms. 6c + 4d - c - 7d = (6c - c) + (4d - 7d) Simplifying further, we get: 6c + 4d - c - 7d = 5c - 3d So the simplified expression is 5c - 3d.

To simplify the expression 6c + 4d - c - 7d, we can first combine the like terms, which are the terms that have the same variable and the same exponent:

6c - c + 4d - 7d

Simplifying this expression further by combining the like terms, we get:

5c - 3d

Therefore, 6c + 4d - c - 7d simplifies to 5c - 3d.

a. q-p = 11-3 = 8, which is an even number. b. p+q = 3+11 = 14, which is an even number.

In mathematics, a prime number is a positive integer greater than 1 that has no positive integer divisors other than 1 and itself. In other words, a prime number is a number that can only be divided evenly by 1 and itself.

There are various methods for finding prime numbers, such as the Sieve of Eratosthenes, which is a simple algorithm for generating all prime numbers up to a given limit. However, as the numbers get larger, it becomes increasingly difficult to find prime numbers, and there is no known formula for generating all prime numbers.

a. One possible example is:

p = 3

q = 11

Here, q-p = 11-3 = 8, which is an even number. However, if we add 1 to it, we get 9, which is odd but not prime (since it is divisible by 3).

b. One possible example is:

p = 3

q = 11

Here, p+q = 3+11 = 14, which is an even number. However, if we add 1 to it, we get 15, which is odd but not prime (since it is divisible by 3 and 5).

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