On a sample tray, 6 out of 20 cake samples are chocolate.

What is the probability that a randomly selected piece of cake will be chocolate?

Answer:

1. subtract by 12 on both sides

2. Divide both sides by -8

Step-by-step explanation:

Answer:triangle RPT is congruent to triangle RSQ

Step-by-step explanation:

Since angle p is congruent to angle S and segment pq is congruent to segment rq , and segment ts is congruent to segment rs, we can conclude that those 2 triangles are congruent because of side angle side

Answer:

The main flaw of this  proof is that it did not take into consideration the fact a 4 cent postage must be made with a 4 cent stamp  and a 3 cent postage  must be made with a 3 cent stamp but only looked at allocating the stamps based on the total amount of postage

Step-by-step explanation:

From the question we are told that

   The  proof is

Every postage stamp of three cents or more can be formed using just 3 cent and 4 cent stamps.  

 Basic Step : We can form postage of 3 cents with a single 3 cent stamp and we can form postage of 4 cents using a single four cents tamp

Inductive Step: Assume that we can form postage of j cents for all non negative integers j with j <= k using just 3 cent and 4-cent stamps. We can then form postage of k+1 cents by replacing one 3 cent stamp with a 4-cent or two 4-cent stamps with three 3-cent stamps

  FLAW IDENTIFICATION

Looking the inductive step, the statement ''by replacing one 3 cent stamp with a 4-cent or two 4-cent stamps with three 3-cent stamps '' means that it is possible to use a 3-cent stamp for postage that requires a 4 -cent stamp  and this is not correct according the statement in the basic step

Generally the main flaw of this  proof is that it did not take into  consideration the fact a 4 cent postage must be made with a 4 cent stamp  and a 3 cent postage  must be made with a 3 cent stamp but only looked at allocating the stamps based on the total amount of postage

The equations that are true are:

2 + 5 = 19 - 12

5 - 4 - 3 - 2 - 1 = 30 - 34 - 1

Here we have some equations, the equations are only true if we have the exact same number in both sides of the equation.

The first one is:

2 + 5 = 19 - 12

If we simplify both sides we get:

2 + 5 = 7

19 - 12 = 7

Then the equation becomes:

2 + 5 = 19 - 12

7 = 7

This is true.

The next equation is:

5 - 4 - 3 - 2 - 1 = 30 - 34 - 1

If we simplify both sides we get:

5 - (4 + 3 + 2 + 1) = 30 - 35

5 - 10 = 30 - 35

-5 = -5

This is true.

The last equation is:

2x + 5 - 4x = 3x - 2 - 5x + 16

Here we have a variable, so we need to solve this for x.

2x -4x + 5 = 3x - 5x + 16 - 2

-2x + 5 = -2x + 14

-2x + 5 + 2x = 14

5 = 14

This equation is false, because 5 is different than 14.

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Answer:

51 shirts

Step-by-step explanation:

17% of 300 were sold to teachers

=17/100 x 300

=51

The monthly cell phone bill when shared data equals zero is given as follows:

$26.

The slope-intercept representation of a linear function is given by the equation presented as follows:

y = mx + b

The coefficients of the function and their meaning are described as follows:

The intercept of the line in this problem is given as follows:

b = 26.

Hence $26 is the monthly cell phone bill when shared data equals zero.

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Answer:

Explanation:

Given:

To find:

The volume of the square pyramid

The volume(V) of a square pyramid can be determined using the below formula;

where a = length of the side of the square base = 4 in

h = height of the pryramid = 7 in

So if we substitute the above values into the formula and solve for V, we'll have;

So the volume of the square pyramid is 37.3 in^3

The height of the dome can be calculated using trigonometry and the Pythagorean theorem.

The function, f(x), describes the height of a dome on top of a building, where f(x) is the height from the base of the dome and x is the horizontal distance from where the dome meets the building.

A dome is an architectural feature that is frequently found on buildings.

A dome is a curved or hemispherical roof that covers a circular or polygonal structure.

Domes have been a popular building feature since ancient times.

Domes can be seen on a variety of buildings, including government buildings, temples, palaces, and churches.

In mathematics, a function is a rule that links a set of inputs to a set of outputs.

A function can be thought of as a machine that takes inputs and generates outputs.

A function can be thought of as a process that generates a result from an input value.

The height of the dome on top of a building can be represented by a function called f(x), where f(x) is the height of the dome above the base of the building and x is the horizontal distance from the base of the dome to the point where the dome meets the building.

The height of the dome can be measured using a variety of methods.

One common method is to use a laser rangefinder.

This device emits a laser beam that is reflected off the surface of the dome.

The distance between the rangefinder and the dome can be measured using the laser beam.

The height of the dome can be calculated using the Pythagorean theorem.

The height of the dome can also be calculated using trigonometry.

This method requires the use of the sine, cosine, and tangent functions.

The height of the dome can be calculated using the sine function, which relates the opposite side of a right triangle to the hypotenuse.

The cosine function relates the adjacent side of a right triangle to the hypotenuse.

The tangent function relates the opposite side of a right triangle to the adjacent side.

The height of the dome can also be measured using a surveyor's transit.

This device is used to measure angles and distances.

The transit is placed on the ground and aimed at the top of the dome.

The angle between the transit and the ground is measured.

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The area of the rectangular figure with two semicircles on the opposite side is  36.56 sq cm.

The circumference of a circle is the distance around the circle which is 2πr.

The diameter of a circle is the largest chord that passes through the center of a circle it is 2r.

Given, A rectangle with two semicircles on two opposite sides.

The length of the rectangle is 6cm and the width of the rectangle is 4cm.

The two given semicircles have a diameter of 4cm seems obvious.

∴ The area of the total figure is an area of the rectangle added to the area of 2 semicircles which makes up to a circle with a radius 2 cm.

∴ (4×6) + π(2)² sq cm.

= 24 + 4π sq cm.

= 24 + 12.56 sq cm.

= 36.56 sq cm.

The area which is not taken up in the rectangle and two circle questions are

(area of the rectangle - 2 times the area of a circle).

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Answer:

Boi what?

Step-by-step explanation:

This is not a proper question. You need to include more information

Answer: 18.69

Step-by-step explanation: just dont matter honeslty

Answer:

18.69

Step-by-step explanation:

the answer is D

The figure can be divided into a rectangle and 2 triangles

Step-by-step explanation:

7! = 5040 ways

The measure of the angles in triangle ARST are: 28 degrees, 28 degrees, 124 degrees, 124 degrees. The measure of the angles in triangle ANSP are: 28 degrees, 51 degrees, 101 degrees, 129 degrees.

An angle is a geοmetric figure fοrmed by twο rays οr lines with a cοmmοn endpοint, called the vertex. Angles are typically measured in degrees οr radians and are used tο describe the amοunt οf turn οr rοtatiοn between twο intersecting lines οr οbjects. Angles can be acute (less than 90 degrees), right (exactly 90 degrees), οbtuse (greater than 90 degrees), straight (exactly 180 degrees), οr reflex (greater than 180 degrees).

Here,

To find the measure of the angles in each triangle, we need to solve for the value of x in both equations.

For the first equation, we can simplify it as follows:

x + 14 = 2x

Subtracting x from both sides, we get:

14 = x

For the second equation, we can simplify it as follows:

3x + 9 = 2x + 23

Subtracting 2x and 9 from both sides, we get:

x = 14

Now that we know x = 14, we can find the measure of the angles in each triangle.

In triangle ARST, we have:

angle A = x + 14

= 14 + 14

= 28 degrees

angle R = 2x

= 2(14)

= 28 degrees

angle S = 180 - (angle A + angle R)

= 180 - (28 + 28)

= 124 degrees

angle T = 180 - (angle A + angle R)

= 180 - (28 + 28)

= 124 degrees

In triangle ANSP, we have:

angle A = x + 14

= 14 + 14

= 28 degrees

angle N = 3x + 9

= 3(14) + 9

= 51 degrees

angle S = 180 - (angle A + angle N)

= 180 - (28 + 51)

= 101 degrees

angle P = 180 - (angle N)

= 180 - 51 = 129 degrees

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The tuxedo was rented for 4 days.

Let's start by assigning variables to the unknowns. Let "x" be the number of additional days rented, and "d" be the total number of days rented (including the first day).

From the given information, we know that the flat fee for the rental is $150, so the cost of the additional days is the total cost minus the flat fee, which is $300 - $150 = $150. We also know that the cost for each additional day is $50. Therefore, we can set up the equation:

$150 + $50x = $300

Subtracting $150 from both sides, we get:

$50x = $150

Dividing both sides by $50, we get:

x = 3

So the tuxedo was rented for 3 additional days, making the total number of days rented:

d = 1 + 3 = 4

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If two random variables are uncorrelated, they are independent and the covariance of X and Y is 0.

Probability is a measure of the likelihood of an event occurring.

In this case, we are given that P(X = -1) = 1/3, P(X = 0) = 1/3, and P(X = 1) = 1/3.

We are also given a second random variable Y, which is defined in terms of X. Y takes on the value of 1 when X = 0, and 0 otherwise. The probability distribution of Y is the set of probabilities associated with each possible value of Y. In this case, Y can only take on the values 0 or 1, so

=> P(Y = 0) = P(X = -1) + P(X = 1) = 2/3 and P(Y = 1) = P(X = 0) = 1/3.

The joint distribution of X and Y is the set of probabilities associated with each possible combination of X and Y. In this case, there are three possible combinations: (X = -1, Y = 0), (X = 0, Y = 1), and (X = 1, Y = 0). The joint probabilities are simply the products of the marginal probabilities of X and Y.

=> P(X = 0, Y = 1) = P(X = 0) * P(Y = 1) = (1/3) * (1/3) = 1/9.

Finally, we can calculate the covariance of X and Y, which is a measure of how much the two variables vary together. The formula for covariance is:

=> Cov(X,Y) = E[XY] - E[X]E[Y].

Using the joint distribution we calculated earlier, we can find

=> E[XY] = (-1)(2/9) + (0)(1/3) + (1)(2/9) = 0

and

=> E[X] = (-1)(1/3) + (0)(1/3) + (1)(1/3) = 0.

We can also find

=> E[Y] = (0)(2/3) + (1)(1/3) = 1/3.

Therefore,

=> Cov(X,Y) = 0 - (0)*(1/3) = 0.

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The domain and range of the function respectively are:

domain : x >= 0

range: w(x) <= 4

What are the domain and range?

The domain of a function is the set of values that we are allowed to plug into our function. This set is the x values in a function such as f(x). The range of a function is the set of values that the function assumes.

f(x) = \(x^{1/2}\)

= √x ,   x >= 0

so, domain : x >= 0

\(w(x) = -(3x)^{1/2} - 4\)

= √-3x - 4,

w(x)max = w(0) = 4

range: w(x) <= 4

Hence, the domain and range of the function respectively are:

domain : x >= 0

range: w(x) <= 4

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Answer:

Step-by-step explanation:

1840 for each

940$ one piece of tv yeah

The amount (present value at age 60) that Sandro would neet in his retirement savings account in order to have a monthly income of $1,500 until he is 90 years old, compounded at 4.5% monthly is $296,041.74.

The present value is computed using an online fiance calculator that discounts the future withdrawals (monthly income) for a 360-months period.

End of withdrawal period = 90 years old

Beginning of withdrawal period = 60 years old

The number of years between 60 and 90 = 30 years

N (# of periods) = 360 months (30 years x 12)

I/Y (Interest per year) = 4.5%

PMT (Periodic Payment) = $-1,500

FV (Future Value) = $0

Results:

Present Value (PV) = $296,041.74

Sum of all periodic payments = $540,000 ($1,500 x 360 months)

Total Interest = $243,958.26

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Answer:

0

Step-by-step explanation:

By definition, if it is on the y-axis the x-coordinate is 0

Answer:

rectangular prism and adding up those areas gives the surface area or total surface area of the prism. For example, if the length of one side of the cube 4 units then the area of one its face is 4 × 4 = 16 square units.

Step-by-step explanation:

k-12

Answer:

Step-by-step explanation:

If the picture has a length of 3x+5 and a width of 5x-2.

Remember that the area of a rectangle is represented by the following equation;

If the frame around it has a width of x:

Then, the expression for the area including the frame:

The correct expanded form using Laws of exponents is:

Two-thirds times two-thirds times two-thirds times two-thirds

Some of the laws of exponents are:

1) When multiplying like bases, keep the base the same and add the exponents.

2) When raising a base with a power to another power, keep the base the same and multiply the exponents.

3) When dividing like bases, keep the base the same and subtract the denominator exponent from the numerator exponent.

Now, we want to solve the expression given as: (²/₃)⁴

When we expend this, we arrive at:

²/₃ × ²/₃ × ²/₃ × ²/₃

This among the options is Option A which is:

Two-thirds times two-thirds times two-thirds times two-thirds

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Answer: they are stilling your money

Step-by-step explanation:

The null hypothesis in the given question is 'the mean annual consumption of high fructose corn syrup by a person in the United States is 48.8 pounds' and the alternative hypothesis in the given question is 'the population standard deviation is 3.6 pounds.'

Population mean = 48.8 pounds

Sample size = 120

Sample mean = 49.5 pounds

Population standard deviation = 3.6

α = 0.05

The standardized statistic z is:

z = (Sample mean - Population mean) x (√n / standard deviation)

z = (49.5 - 48.8) x (√120/3.6)

z = 2.13

The standardized statistic P is:

P = 2 - 2 x Φ(z)

P = 2 - 2 x 0.983

P = 0.034

Since, the result we get is statistically significant. We reject the null hypothesis.

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Answer: 4

This problem requires basic division. If the restaurant divided 4/5 kg of butter with 1/5 kg on each dish, you would need to compute 4/5 divided by 1/5.

4/5 ÷ 1/5

Using the "KFC" method, or Keep, Change, Flip, you would keep the first number (in this case, 4/5), change the division sign, and flip the fraction to 5/1, or 5. We now have this:

4/5 x 5

To compute this equation, you must multiply the numerators of both of the numbers together. In this case, you would compute (4x5)/5, resulting with 20/5, or 4.

You can check this answer by re-multiplying the numbers together. 1/5 kg of butter per dish, multiplied by the total amount of dishes, 4, you would result in the original 4/5 kg of butter.

Hope this helps!

The statements that are true regarding the expression with the exponents -1, -3, and 1 are;

An exponent is a quantity or power to which a value, expression or number is to be raised.

The specified expression can be presented as follows;

8⁻¹ × 8⁻³ × 8

Therefore; 8⁻¹ × 8⁻³ × 8 = 8⁽⁻¹ ⁺ ⁻³ ⁺ ¹⁾ = 8⁻³ = 1/8³

1/8³ = 1/512

Similarly, we get; 8⁷ × 8⁻¹⁰ = 8⁽⁷ ⁻ ¹⁰⁾ = 8⁻³ = 1/8³

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Answer:

Oslo

Berlin

Glasgow

London

Nice

Answer:

44

Step-by-step explanation:

The sum of the series \(\sum_{k=1}^4\) (2k²−4) is 44.

The series is: \(\sum_{k=1}^4\) (2k²−4)

Let's find the value of each term for k=1, k=2, k=3, and k=4, and then add them up:

For k=1:

2(1)² - 4 = 2(1) - 4 = 2 - 4 = -2

For k=2:

2(2)² - 4 = 2(4) - 4 = 8 - 4 = 4

For k=3:

2(3)² - 4 = 2(9) - 4 = 18 - 4 = 14

For k=4:

2(4)² - 4 = 2(16) - 4 = 32 - 4 = 28

Now, let's add all the terms:

-2 + 4 + 14 + 28 = 44

So, the sum of the series \(\sum_{k=1}^4\) (2k²−4) is 44.

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