stock x has a beta of 0.7 and stock y has a beta of 1.3. the standard deviation of each stock's returns is 20%. the stocks' returns are independent of each other, i.e., the correlation coefficient, r, between them is zero. portfolio p consists of 50% x and 50% y. given this information, which of the following statements is correct?

Answer:

Z

Step-by-step explanation:

the answer is z! x should increase by 2 every time y increases by 1

Answer:

Z.

Step-by-step explanation:

Vinegar (on the left)

Cleaner (On Bottom)

X is horizontal line

Y is vertical line.

To solve, just use what is given, lawson uses 1 cup of vinegar (up 1) for 2 cups of cleaner (run (move 2 to the right) 2)

Rise over run.

Answer:

the value of what you lose when you choose from two or more alternatives

Step-by-step explanation:

There are 2.25 distinct 2-colored necklaces of length 4, up to rotation. Since we cannot have a fractional number of necklaces, we round up to get a final answer of 3.

A necklace is made by stringing together beads in a circular shape. A 2-colored necklace is a necklace where each bead is painted either black or white. How many distinct 2-colored necklaces of length 4 are there? Two colorings are considered identical if they can be obtained from each other by rotation.Let's draw a table to keep track of our count:Each row in the table represents one way to color the necklace, and each column represents a distinct necklace.

For example, the first row represents a necklace where all the beads are black, and each column represents a distinct rotation of that necklace.We start by counting the necklaces where all the beads are the same color. There are 2 of these. We then count the necklaces where there are 2 beads of each color. There are 3 of these.Next, we count the necklaces where there are 3 beads of one color and 1 bead of the other color. There are 2 of these, as we can start with a black or white bead and then rotate.

Finally, we count the necklaces where there are 2 beads of one color and 2 beads of the other color. There are 2 of these, as we can start with a black or white bead and then rotate. Thus, there are a total of 2 + 3 + 2 + 2 = 9 distinct 2-colored necklaces of length 4, up to rotation.  Answer: 9There is a better algebraic way to do this without finding all cases: Using Burnside's lemma. Burnside's lemma states that the number of distinct necklaces (up to rotation) is equal to the average number of necklaces fixed by a rotation of the necklace group. The necklace group is the group of all rotations of the necklace.

The average number of necklaces fixed by a rotation is the sum of the number of necklaces fixed by each rotation, divided by the number of rotations.For a necklace of length 4, there are 4 rotations: no rotation (identity), 1/4 turn, 1/2 turn, and 3/4 turn. Let's count the number of necklaces fixed by each rotation:Identity: All necklaces are fixed by the identity rotation. There are 2^4 = 16 necklaces in total.1/4 turn: A necklace is fixed by a 1/4 turn rotation if and only if all beads are the same color or if they alternate black-white-black-white.

There are 2 necklaces of the first type and 2 necklaces of the second type.1/2 turn: A necklace is fixed by a 1/2 turn rotation if and only if it is made up of two pairs of opposite colored beads. There are 3 such necklaces.3/4 turn: A necklace is fixed by a 3/4 turn rotation if and only if it alternates white-black-white-black or black-white-black-white. There are 2 necklaces of this type.The total number of necklaces fixed by all rotations is 2 + 2 + 3 + 2 = 9, which is the same as our previous count. Dividing by the number of rotations (4), we get 9/4 = 2.25.

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if the family gives up two nights in the hotel, they could afford d) 5 meals

The family has a budget of $800 for meals and hotel accommodations. If they could afford eight nights in a hotel without buying any meals, we can determine the cost of one night at the hotel. To do this, we can divide the total budget by the number of nights:

$800 / 8 nights = $100 per night

Now, let's consider the scenario where the family gives up two nights in the hotel. This would free up $200 from their budget ($100 per night x 2 nights). We can then use this amount to determine how many meals the family can afford by dividing the available funds by the cost of one meal:

$200 / $40 per meal = 5 meals

Therefore, if the family gives up two nights in the hotel, they could afford 5 meals. The correct answer is d. 5.

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The equation which is used to find the number of chocolates candy in the jar is given by 18 + 24 + 19 + n = 82 , the number of chocolate candy in the jar is equal to 21.

Number of strawberry candy in the jar = 18

Number of cherry candy in the jar = 24

Number of lime flavored candies = 19

Let 'n' be the number of chocolate candy in the jar

Total number of candy in the jar = 82

Equation used to represent the given condition is :

18 + 24 + 19 + n = 82

⇒ 61 + n = 82

⇒ n = 82 - 61

⇒ n = 21

Therefore, the equation required to represent the number of chocolate candy is 18 + 24 + 19 + n = 82 and the value of n is equal to 21.

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Answer:

x^2, 10-x , 1.5x -5  

Step-by-step explanation:

9514 1404 393

Answer:

  4. m = 3, n = 7

  5. a) 2.0272; b) 72.4; c) 372

Step-by-step explanation:

4. 56 = 8×7 = 2^3 × 7

Comparing to 2^m × n, we see that m=3, n=7.

__

5. It's all about scale factors. One way to work this problem is to write all of the numbers in terms of the numbers of the original "given."

a) 0.724 × 2.8 = (724×10^-3) × (28×10^-1) = 20272×10^-4

  0.724 × 2.8 = 2.0272

__

b) 202.72 ÷ 2.8 = (20272×10^-2) ÷ (28×10^-1) = 724×10^(-2-(-1)) = 72.4

  202.72 ÷ 2.8 = 72.4

__

c) 20272 ÷ 56 = (20272 ÷ 28) ÷ 2 = 724 ÷ 2 = 362

  20272 ÷ 56 = 372

We may build up a proportion and solve for the scale model radius of Neptune using the ratio between the radii of the two planets and the known scale model radius of the Earth. The scale model of Neptune that is produced has a radius of around 9.7 cm.

We may take advantage of the fact that the ratio between the two planets' radii and the ratio between their respective scale model radii is the same. Let's name the Neptune scale model radius "r" Then, we may set up the ratio shown below:

Neptune's radius is equal to the product of Earth's radius and its scale model.

With the provided values, we may simplify and obtain:

24620 km / 6370 km equals 2.5 cm / r

We obtain the following when solving for "r":

r = (24620 km * 2.5 cm) / (6370 km)

r ≈ 9.7 cm

Therefore, a scale model of Neptune would have to be drawn with a radius of approximately 9.7 cm.

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Answer:

ask yourself

Step-by-step explanation:

Answer:

160.00° Degrees

Step-by-step explanation:

To find the answer, we have to use the interior angle formula which is

(n-2)*180, where n is the number of sides. This formula gives us the sum of all interior angles in a polygon having ‘n’ sides.

For a polygon with 18 equal sides, first finding the sum of all interior angles of the polygon:-

=(n-2)*180= (18–2)*180=16*180=2880 degree.

We found the sum of all interior angles of 18 sided polygon and it is 2880 degrees.

The polygon we are considering has all sides equal, which means it is a regular polygon. So we can conclude that all of its interior angles are equal.

Sum of all eighteen angles=2880, One angle=2880/18=160 degrees.

Thus, we concluded that the interior angle of the regular eighteen sided polygon

is 160 degrees

Answer:

the smaller number is 18 and the larger number is 24

put the whole thing after f = in the first equation

so

x^2 means x squared

so

u = 2 (4x - 4x^2) + 14

so

u = 8x - 8x^2 + 14

The equation that can be formed from the given set of numbers

1) (3 + 4) * 6 + 7 = 24

2) 3 + 4 * (6 + 7) = 24

3) 3 + 4 + 6 + 7 = 20, so (3 + 4 + 6 + 7) * 1 = 24

4) 3 * 4 * 6 * 7 = 168, so 168 / 7 = 24

Mathematical Operations :

The mathematical “operation” refers to calculating a value using operands and a math operator. The symbol of the math operator has predefined rules to be applied to the given operands or numbers.

Mathematical Equations :

An equation is a mathematical statement that proves two mathematical expressions are equal in algebra, and this is how it is most commonly used.

BODMAS

According to the BODMAS rule, mathematical equations containing numerous operators must be resolved in the order of BODMAS, starting from the left.

Keep in mind that the order in which you perform the operations will affect the result. Parentheses are used to indicate the order in which operations should be performed.

In the first example above, the operation inside the parentheses (3 + 4) is done first, and then that result is multiplied by 6 and added to 7.

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The distance between Cardwell and Claremont if they are 4.5 inches apart on the map will be 150 miles.

Dilation is the process of increasing the size of an item without affecting its form. Depending on the scale factor, the object's size can be raised or lowered. There is no effect of dilation on the angle.

If a road map has a scale of 3 inches to 100 miles.

Then the scale factor is given as,

Sclar factor = 100 / 3

Sclar factor = 33.33 miles per inch

Then the distance between Cardwell and Claremont if they are 4.5 inches apart on the map will be given as,

Distance = 33.33 x 4.5

Distance = 150 miles

The distance between Cardwell and Claremont if they are 4.5 inches apart on the map will be 150 miles.

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An increase in the rate of inflation will increase the nominal interest rate while lowering the real interest rate.

When the rate of inflation rises, it affects both the nominal and real interest rates. The nominal interest rate is the stated or observed interest rate, while the real interest rate is adjusted for inflation and represents the purchasing power of the interest earned or paid. Inflation erodes the purchasing power of money over time.

As inflation increases, lenders and investors demand higher nominal interest rates to compensate for the expected loss in purchasing power. However, while the nominal interest rate rises, the real interest rate, which takes inflation into account, decreases because the purchasing power of the interest earned or paid is reduced.

In summary, an increase in the rate of inflation will result in an increase in the nominal interest rate but a decrease in the real interest rate due to the erosion of purchasing power caused by inflation.

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The numbe of trees that are less than 12 m tall or atleast 28 m tall using from the histagram is 5

A histogram is a graph that shows the frequency of numerical data using rectangles.

In mathematics, "or" means addition.

From the question, to find the number of trees that are less than 12 m tall or atleast 28 m tall, we use the formula below.

Formula:

Where:

From the diagram,

Substitute these values into equation 1

Hence, the numbe of trees is 5.

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Answer:

The answer to 6^4 is 1296

Step-by-step explanation:

2x2x2x2 = 16 (you have to multiply the 2 four times because you have a little four on top of the two)

3x3x3x3 = 81 (you have to multiply the 3 four times because you have a little four on top of the three)

16x81 = 1296 (6^4 = 6x6x6x6 = 1296)

Answer:

Substitution

Step-by-step explanation:

Subtitue x=3 into the second equation

y=2(3)+1

y=6+1

y=7

There ought to be infinitely many solutions.

How many solutions can a system of 3 linear equations with 5 variables have?

There are infinitely many solutions. Assuming the 3 linear equations are linearly independent you have 2 free variables that can be chosen freely and depending on those two values you can find the 3 remaining variables as function of those two so for any choice of those two variables you can find a solution. If the equations are not linearly independent you have effectively only 1 or two equations so you can pick 4 or 3 variables freely and then the remaining variable or variables are function of these.

How do you solve a system of equations with 3 variables?
Simultaneous equations. Easy, if they are all linear. Possibly difficult otherwise. Basically pick 1 variable and 1 equation to rearrange so that variable is expressed in terms if the other 2. Then simplify. Now you have 2 equations in 2 variables. Repeat with the remaining 2 variables. When you have solved for the last variable, you can then substitute to solve for the second last. Then backtrack to the original substitution and solve that. General advice that works even for nonlinear equations.

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a) The length of the real-life plane in centimeters is 8000 cm.

b) The scale of the model is 1:2000.

To find the length of the real-life plane in centimeters, we multiply its length in meters by 100 (since there are 100 cm in a meter). So, 80 m x 100 cm/m = 8000 cm.

To find the scale of the model, we divide the length of the real-life plane by the length of the model. So,

which can be expressed as the ratio 1:2000. This means that one unit on the model represents 2000 units in real life.

(The ratio of the length of the real-life plane to the length of the model is 8000:4, which can be simplified to 2000:1)

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The missing numbers are 14 and 17. there are 50 steps taken to reach the last pebble on this part of the path.

What is the missing number?

Missing numbers are the numbers that have been missed in the given series of a number with similar differences among them.

let's take a look at pebbles along each part of the path, there is 1 number of addition to each pebble number to go on next pebble.

i.e. 12, 13, 14, 15, 16, 17

so, the missing numbers are 14 and 17.

now, as given Hansel and Gretel used a pebble to mark every 10 steps as they walked along the path. How many steps have they taken when they get to the last pebble on this part of the path?

so, to go on next pebble there are 10 steps to walk.

therefore, from starting pebble  number 12 to last pebble number 17, there are 50 steps ( difference between two pebbles is 10 steps).

hence, the missing numbers are 14 and 17. there are 50 steps taken to reach the last pebble on this part of the path.

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Answer:

3ft

Step-by-step explanation:

To find the missing side, we must use the sides we know. 25ft - 22ft = 3ft.

Hope this helps!

Sine function relates side lengths of a right triangle to an acute angle.

In a right triangle, the side lengths are related to the acute angles through the trigonometric functions. The side opposite the acute angle is related to the angle through the sine function, the side adjacent to the acute angle is related to the angle through the cosine function, and the hypotenuse is related to the angle through the tangent function.

More specifically, if θ is an acute angle in a right triangle and a and b are the lengths of the side opposite and adjacent to the angle respectively, and c is the length of the hypotenuse, we have:

sin(θ) = a/c

cos(θ) = b/c

tan(θ) = a/b

Thus, we can use these functions to find the length of any side of the right triangle if we know the measure of one of the acute angles and the length of one of the other sides.

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Answer:

m<-5

Step-by-step explanation:

Answer:

In inequality form: m<-5 ; In interval notation: negative infinity, -5

Step-by-step explanation:

The function which represents the cost to drive a car from this agency miles x a day is :

C(x) = 15, if 0 ≤ x ≤ 200

      = 15 + 0.05x, if x > 200

Given that,

A car rental agency charges $15 a day for driving a car 200 miles or less.

The function can be written as,

C(x) = 15 if 0 ≤ x ≤ 200

If a car is driven over 200 miles, the renter must pay $0.05 for each mile over 200 driven.

C(x) = 15 + 0.05x, if x > 200

Hence the correct option is D.

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Answer:

1. 14:1

2. 4:1

3. 1:4

Step-by-step explanation:

Order is super important for ratios. So like the first question says

1. Students to counselors

that means to put the number first for students and second for counselors, like this:

28:2 they said you could use the word "to" also, so you could write

28 to 2

also. Buuut, usually its important to simplify or reduce. So like they said you can use a colon, ":" or the word "to", when you math with ratios you write them like a fraction:

28:2 or 28 to 2

is the same as

28/2

which boils down to 14/1

Ithink this is the best answer for question 1.

1. 14:1

Likewise for the other two problems.

Fill in the the number and then simplify.

2. LunchLadies:Principals

= 4:1

(already simplified)

3. Teachers:BusDrivers

5:20

Is better as 1:4

Answer:

x = 11

Step-by-step explanation:

15 + 22 + 16 + x + x = 75

53 + 2x = 75

2x = 22

x = 11

Answer:

the sum of < triangle= 180degrees

one of them is a right < which is 90 degrees. so we can make equation:

X+y+90=180

X+y=180-90

X+y=90

Answer:

90°. Hope the picture will help you

The minimum number of accepting states required in the NFA is three: States A, C, and D. These states represent the possible scenarios of having zero, one, or two '1's in the binary string.

To construct an NFA that recognizes all binary strings with at most two '1's, we can use a combination of states and transitions. Let's analyze the possibilities: If the string has no '1's, then it can be recognized by a single state, let's call it State A. If the string has one '1', it can be recognized by two states: one for the initial '0's, let's call it State B, and one for the '1', let's call it State C. We can transition from State B to State C upon encountering a '1'. If the string has two '1's, it can be recognized by three states: State B, State C, and another state, let's call it State D. We can transition from State C to State D upon encountering the second '1'.

Therefore, the minimum number of accepting states required in the NFA is three: States A, C, and D. These states represent the possible scenarios of having zero, one, or two '1's in the binary string.

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