Simplify. Show your work. Please help!!

The following a probability model? what do we call the outcome No, the provided information is not sufficient to determine if it is a probability model. The outcome "red" is typically referred to as an event.

A probability model is a mathematical representation of a random experiment, where the sample space is defined, and probabilities are assigned to all possible outcomes. To determine if the given information is a probability model, we would need to know the complete list of possible outcomes, their corresponding probabilities, and ensure that the probabilities meet the necessary conditions (sum up to 1 and are non-negative).

Based on the limited information provided, we cannot determine if it is a probability model. The outcome "red" is called an event in the context of probability.

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Exponents, commonly referred to as powers, are symbols used in mathematics to denote repeated multiplication of the same integer. The base of an exponential expression is the multiplied number, and the exponent is the number of times the base has been multiplied by itself.

Given the expression B^2/ab^-3, we can simplify it by using the properties of exponents:

Remember that a^(-n) = 1/a^n. So, b^(-3) = 1/b^3.

Substitute this back into the expression: B^2/(a*(1/b^3)). Now, we can simplify the expression by multiplying B^2 by the reciprocal of the denominator (which is b^3/a): B^2 * (b^3/a).

Apply the properties of exponents and multiply the numerators and the denominators separately: (B^2 * b^3) / a.

Combine the exponents of 'b': B^(2+3) / a.

Finally, the simplified expression is B^5/a.

So, the equivalent expression for B^2/ab^-3 is B^5/a, assuming a≠0 and b≠0.

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Answer:

Degrees = Radians x 180/π

or

Degrees = 57.2958  x radians

Step-by-step explanation:

1 radian = 180/π degrees

1 radian = 57.2958 degrees

Multiply radians by this factor of 57.2958  to get the equivalent measure in degrees

π radians = 180°

2π radians = 360° which is the number of degrees in a circle

For anything greater than 2π radians you will have to subtract 360°

For example, 7 radians using the formula is 7 x (57.2958  ) ≈ 401.07°

But this still falls in the first quadrant, so relative to the x-axis it is
401.07 - 360 = 41.07°

Answer:

2.70×m=x

Step-by-step explanation:

2.70 times the mile

There are no points outside the control limits, since all of the weekly sample means are within the range of 4.7 to 5.3 degrees Celsius (the mean of 5 degrees Celsius plus or minus 0.3 degrees Celsius).

Answer:

A) 21/20

Step-by-step explanation:

Tangent = Opposite/Adjacent

The volume of a sphere with a radius of 7 cm (or diameter of 12 cm) is 904.32 cubic centimeters.

To find the volume of a sphere with a radius of 7 cm, we can use the formula:

V = (4/3) * π * r^3

where V represents the volume and r represents the radius. However, you mentioned that the diameter of the sphere is 12 cm, so we need to adjust the radius accordingly.

The diameter of a sphere is twice the radius, so the radius of this sphere is 12 cm / 2 = 6 cm. Now we can calculate the volume using the formula:

V = (4/3) * π * (6 cm)^3

V = (4/3) * 3.14 * (6 cm)^3

V = (4/3) * 3.14 * 216 cm^3

V = 904.32 cm^3

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A valid study is one that portrays the population being studied and measures what it is supposed to. It must use random sampling and produce expected results to be deemed a reliable source. However, such studies do not necessarily result in a causal relationship between the independent and dependent variables.

The primary goal of any study is to depict the population being investigated in an accurate and unbiased manner. This involves selecting an appropriate sample of the population to study. This is why a study must use random sampling, which means every member of the population has an equal chance of being selected. This helps avoid sample bias, which is when a sample is chosen in a way that it is not representative of the population, leading to incorrect or inaccurate conclusions.

A valid study must measure what it is supposed to, which means that the study should be designed to measure what it claims to measure. For instance, a study on the effects of sleep on memory should use measures that accurately assess memory and sleep. If the study is designed to assess memory but fails to do so, the results will be unreliable. Finally, a valid study verifies expected results.

This means that the study should produce results that are consistent with what is expected based on prior research or theory. However, this does not mean that a study necessarily results in a causal relationship between the independent and dependent variables. Rather, such a relationship can only be inferred if the study is well-designed and the results are properly analyzed and interpreted.

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Sorry, but this problem cannot be simplified.

It stays how it is.

Between 1 and 200, there are 66 numbers that are divisible by either 4 or 6.

To find the numbers between 1 and 200 that are divisible by 4 or 6, we need to determine the count of numbers divisible by 4 and the count of numbers divisible by 6, and then subtract the count of numbers divisible by both 4 and 6 (since they would be counted twice).

Divisibility by 4:

To find the count of numbers divisible by 4, we divide 200 by 4 and round down to the nearest whole number. So, 200 divided by 4 equals 50, meaning there are 50 numbers divisible by 4 between 1 and 200.

Divisibility by 6:

Similarly, to find the count of numbers divisible by 6, we divide 200 by 6 and round down. 200 divided by 6 equals approximately 33.33, so there are 33 numbers divisible by 6 between 1 and 200.

Numbers divisible by both 4 and 6:

To find the count of numbers divisible by both 4 and 6, we need to find the count of numbers divisible by their least common multiple, which is 12. We divide 200 by 12 and round down, resulting in approximately 16.67. Thus, there are 16 numbers divisible by both 4 and 6 between 1 and 200.

Finally, we add the count of numbers divisible by 4 and the count of numbers divisible by 6 and subtract the count of numbers divisible by both 4 and 6 to get the total count of numbers divisible by either 4 or 6. Therefore, there are 50 + 33 - 16 = 67 numbers between 1 and 200 that are divisible by either 4 or 6.

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The process of adding the matrix is explained blow.

Matrices are powerful tools used to analyze data and solve complex equations.

A 3x3 matrix, or E₁₃, is a matrix composed of 3 rows and 3 columns. It can be used to perform various operations, including adding two rows together.

(a) To answer the first question, a 3x3 matrix E₁₃ can add row 3 to row 1 by performing a row operation. This involves taking the second row and adding it to the first, thus adding the values on each row together.

(b) To answer the second question, a 3x3 matrix E₁₃ can add row 1 to row 3 and at the same time add row 3 to row 1 by performing a row exchange operation. This results in a 3x3 matrix where each value in the first row is equal to the corresponding value in the third row.

(c) To answer the third question, a 3x3 matrix E₁₃ can add row 1 to row 3 and then add row 3 to row 1 by performing two separate row operation and then taking the third row and adding it to the first, thus adding the values of each row together again.

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Answer:

does not clearly describe a word or phrase in a sentence

Step-by-step explanation:

Not sure that this is math but...

Answer:

The answer is B

Step-by-step explanation:

B) does not clearly describe a word or phrase in a sentence

Answer:

Area=14.28 Perimeter= 14.28

Step-by-step explanation:

Area of a circle = (3.14) * r^2

radius = diameter/2

radius = 4/2

r = 2

A = (3.14) * 2^2

A = (3.14) * 4

A = 12.57

since it's a half circle though, 12.57/2 = 6.29

the area of the rectangle is bh, 4*2 = 8

6.29 + 8 = 14.28

area = 14.28

perimeter of a circle, or circumference = 2(3.14)r

C = 2(3.14) * 2

C = 6.28 * 2

C = 12.57

but again, since it's a half circle, 12.57/2 = 6.29

perimeter of a rectangle = 2(l + w)

p = 2(4 + 2)

p = 2(6)

p = 12

but because the perimeter is what's on the outside, we don't count the side connecting to the circle, so it'd be 12 - 4 = 8

6.29 + 8 = 14.28

perimeter = 14.28

Answer:

1. -7/10

2.1/8

3. - 3 1/10

4. -10 1/4

Step-by-step explanation:

Answer:

van=18

bus=59

Step-by-step explanation:

Let v=van & b=bus

1v+6b=372

1v=372-6b

4v+12b=780

Lets divide by 4

1v+3b=195

then

1v=195-3b

substitute in first expression

372-6b=195-3b

simplify

177=3b

b=59

then substitute

1v=195-3(59)

1V=18

Answer:

van=18

bus=59

Step-by-step explanation:

Let v=van & b=bus

1v+6b=372

1v=372-6b

4v+12b=780

Lets divide by 4

1v+3b=195

then

1v=195-3b

substitute in first expression

372-6b=195-3b

simplify

177=3b

b=59

then substitute

1v=195-3(59)

1V=18

Answer:

145

Step-by-step explanation:

64 out of 73 were opposed.

Set up a ratio as number opposed over number surveyed :

64/73 = x/657

Cross multiply:

73x = 42048

Divide both sides by 73:

X = 576

576 are opposed, now subtract this from total people surveyed:

657 - 575 = 81

81 are not opposed.

Step-by-step explanation:

here you go i don't know if this will be helpful or not

Answer:

7 by 11

Step-by-step explanation:

Let's assume that the length of the rectangular patio is "l" meters and the width is "w" meters.

According to the problem statement, the perimeter of the patio is 36 meters, so we can set up the equation:

2l + 2w = 36

Simplifying this equation by dividing both sides by 2, we get:

l + w = 18

We also know that the area of the patio is 77 square meters, so we can set up another equation:

lw = 77

We now have two equations in two variables, and we can use them to solve for l and w.

From the first equation, we can solve for one variable in terms of the other:

w = 18 - l

Substituting this expression for w into the second equation, we get:

l(18 - l) = 77

Expanding the left-hand side, we get a quadratic equation:

18l - l^2 = 77

Rearranging and simplifying, we get:

l^2 - 18l + 77 = 0

This quadratic equation can be factored as:

(l - 7)(l - 11) = 0

Therefore, the solutions are l = 7 or l = 11.

If l = 7, then w = 18 - l = 11, and the dimensions of the patio are 7 meters by 11 meters.

If l = 11, then w = 18 - l = 7, and the dimensions of the patio are 11 meters by 7 meters.

Therefore, the dimensions of the patio are either 7 meters by 11 meters or 11 meters by 7 meters.

the two triangles are not similar.

Answer:

\(c+d=\langle-3,9\rangle\)

Step-by-step explanation:

We simply add the respective horizontal and vertical components:

\(c+d=\langle 6,2 \rangle+\langle-9,7\rangle=\langle6+(-9),2+7\rangle=\langle6-9,9\rangle=\langle-3,9\rangle\)

Step-by-step explanation:

inversely means

y = k/x

therefore

30 = k/4

120 = k

y = 120/10 = 12

FYI :

directly would mean

y = kx

The value of y will be 12 when x is equal to 10.

The relationship between two variables known as "inverse variation" occurs when the value of one variable increases while the value of the other variable decreases.

Given that, y varies inversely with x.

Here, y∝1/x

y=k/x

xy=k

When x is 4, y is equal to 30, we get

k=4×30

k=120

When x=10, we get

10y=120

y=12

Therefore, the value of y will be 12 when x is equal to 10.

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The volume of Ganymede is approximately 3.48 times the volume of the Moon, based on the given diameters of the two moons and the formula for the volume of a sphere.

The volume of a sphere is the amount of space occupied by the sphere in three-dimensional space. It can be calculated using the formula V = (4/3)πr³, where V is the volume of the sphere, r is the radius of the sphere, and π (pi) is a mathematical constant approximately equal to 3.14159. This formula states that the volume of a sphere is four-thirds of the product of pi and the cube of the sphere's radius.

In the given question,

The volume of a sphere can be calculated using the formula V = (4/3)πr³, where r is the radius of the sphere. Since we are given the diameters of the two moons, we can calculate their radii by dividing the diameters by 2. Therefore, the radius of Ganymede is 3,388/2 = 1,694 km, and the radius of the Moon is 1,245/2 = 622.5 km.

Now, we can calculate the volumes of the two moons:

V_Ganymede = (4/3)π(1694)³ ≈ 7.66 x 10^10 km³

V_Moon = (4/3)π(622.5)³ ≈ 2.2 x 10^10 km³

To find how many times larger Ganymede's volume is compared to the Moon's volume, we can divide the volume of Ganymede by the volume of the Moon:

V_Ganymede / V_Moon ≈ (7.66 x 10¹⁰) / (2.2 x 10¹⁰) ≈ 3.48

Therefore, the volume of Ganymede is approximately 3.48 times the volume of the Moon.

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Step-by-step explanation:

10x-6x+12=12x-24-8x

4x+12=4x-24

4x-4x≠-24-12

thus,it is erroneous

Answer:

Multiply the circle's area by the cylinder's length to obtain the volume. If the length is, for instance, 10 inches, then compute as follows: 113 x 10 = 1,130 cubic inches.

Answer:

ill help

Step-by-step explanation:

Answer:

Cassidy

6 V 19=26

Philip

3 x V 51=21

Jackie

2 x V 82=18

Antonio

2 v 56=14

I hope this is good enough:

Answer: C. Y = 5x + 5

Step-by-step explanation:

    We need to write, or decide on, the equation for the blue line as this line represents the trend line for this scatter plot. We will write this in slope-intercept form. See attached for a visual.

    First, we will find our slope. We will use \(\frac{rise}{run}\) for this since we have a graph with clear points. See attached, we count up [5] and then count to the right [1] for a slope of 5.

     -> Slope = 5

   Now, we will find our y-intercept. This is where the line intersects the y-axis. The line hits the y-axis at point (0, 5) giving us a y-intercept of 5.

     -> Y-intercept = 5

   Lastly, we will write our equation and decide on an answer.

y = mx + b

y = (5)x + (5)

Y = 5x + 5

             C. Y = 5x + 5

There is a 0.5% chance of obtaining a t-value greater than 2.485 or less than -2.485 in a t-distribution with 25 degrees of freedom, assuming a two-tailed test.

Assuming a two-tailed test, we need to find the value of t* such that the probability of being greater than t* or less than -t* is 0.01.

Using a t-distribution table or calculator with 25 degrees of freedom (since n-1=25 for a sample size of 26), we find that the value of t* is approximately 2.485.

Therefore, there is a 0.5% chance of obtaining a t-value greater than 2.485 or less than -2.485 in a t-distribution with 25 degrees of freedom, assuming a two-tailed test.

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Answer:

y=4x-9

Step-by-step explanation:

-9=y intercept

up 4 over 1

4/1=4

slope =4