Solving dimensions I need help with one question 26 points!!

Answer:

2/7.

Step-by-step explanation:

Using order of operations (PEMDAS):

0.9 (3 / 2.25 - 1/8( 1 2/3 + 1/9)) - 4/7 / 0.8

= 0.9 (3 / 2.25 - 1/8( 5/3 + 1/9)) - 4/7 / 0.8

= 0.9 (3 / 2.25 - 1/8( 16/9) - 4/7 / 0.8

= 0.9 (3 / 2.25 - 2/9) - 4/7 / 0.8

=  0.9 (12/9 -  2/9) - 4/7 / 0.8

=  0.9 * 10/9 - 5/7

=  1 - 5/7

=  2/7.

Answer:

2/7 =0.2857

Step-by-step explanation:

0.9(300/225-1/8(1x3+2/3+1/9))-4/7/0.8

0.9(4/3-1/8(1x3+2/3+1/9))-4/7/0.8

0.9(4/3-1/8(3+2/3+1/9))-4/7/0.8

0.9(4/3-1/8(5/3+1/9))-4/7/0.8

0.9(4/3-1/8(15/9+1/9))-4/7/0.8

0.9(4/3-1/8x(15+1/9))-4/7/0.8

0.9(4/3-1/8x(16/9))-4/7/0.8

0.9(4/3-1x16/8x9))4/7/0.8

0.9(4.3-16/72)-4/7/0.8

0.9(4/3-2/9)-4/7/0.8

0.9(12/9-2/9)-4/7/0.8

0.9x(12-9/9)-4/7/0.8

0.9x(10/9)-4/7/0.8

9/10x(10/9)-4/7/0.8

1-4/7/0.8

1-4/7x0.8

1-4.56

1-40/56

1-5/7

7/7-5/7

7-5/7

2/7 = 0.2857

Answer:

You have $160 in total :D

The total amount of money he had is $130 and this can be determined by using arithmetic operations.

Given :

The following steps can be used to determine the total amount of money he had:

Step 1 - He had initially $13.

= 13

Step 2 - His mom gave him $10. Add 10 in the above expression.

= 13 + 10

= 23

Step 3 - His Aunt, Uncle, and Grandma gave him $100. So, add 100 in the above expression.

= 23 + 100

= 123

Step 4 - He also had $7. So, add 7 in the above expression.

= 123 + 7

= $130

The total amount of money he had is $130.

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The height of the cliff is approximately 269 feet.

We will be using the tangent function to find the height of the cliff.
Draw a right triangle with the rowboat at one corner, the cliff's base as the adjacent side, and the cliff's height as the opposite side.

The angle of elevation (73.8 degrees) is between the rowboat and the cliff's base.
We are given the adjacent side (75 feet) and we need to find the opposite side (height of the cliff).

To do this, we will use the tangent function:
tan(angle) = opposite side / adjacent side
Plug in the given values:
tan(73.8) = height / 75
Solve for the height:
height = tan(73.8) * 75
Calculate the value:
height ≈ 269.4 feet
Round the height to the nearest foot:
height ≈ 269 feet.

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Answer:

The price per pound of apples is greater than $1.

Step-by-step explanation:

Three coworkers decided to buy fruit to share at lunchtime. Antonii spent $1.47 on bananas. Laura spent $2.88 on apples. Suzanne spent $2.85 on oranges.   If Laura bought 2.1 pounds of apples, is the price per pound of apples greater than or less than $1? how can you tell?

To find the price of apples per pound, we need to divide the total amount paid by Laura ($2.88) with the total pounds of apples (2.1 pounds) bought.

Price of apples per pound = $2.88/2.1

price of apples per pound= $1.37142857

Since the price of apples per pound is $1.37, therefore, the price per pound of apples is greater than $1.

We can simply tell that the price per pound of apples is greater than $1 because 2.88 is greater than 2.1. So when we will divide 2.88 by 2.1, then we will get a number greater than 1.

(hope this helps can i plz have brainlist :D hehe)

The cost of one pound of apple is $1.37.

The unitary method is a technique for solving a problem by first finding the value of a single unit, and then finding the necessary value by multiplying the single unit value.

Given that, Laura spent $2.88 on apples.

If Laura bought 2.1 pounds of apples

Cost of 1 pound apple =2.88/2.1

= $1.37

1.37>1

Therefore, the cost of one pound of apple is $1.37.

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"Your question is incomplete, probably the complete question/missing part is:"

Three coworkers decided to buy fruit to share at lunch time. Antoni spent $1.47 on bananas. Laura spent $2.88 on apples. Suzanne spent $2.85 on oranges. If Laura bought 2.1 pounds of apples, is the price per pound of apples greater than or less than $1 ? how can you tell?

There are 9 choices for the first digit (1-9), 9 choices for the second (0 and the remaining 8), and then 8, 7, 6, 5, and 4 choices for the subsequent digits. So, there are 9*9*8*7*6*5*4 = 326592 different 7-digit license plates.

To solve this problem, we will use the counting principle. The first digit cannot be 0, so there are 9 possible choices for the first digit (1-9). For the second digit, we can use 0 or any of the remaining 8 digits, making 9 choices. For the third digit, we have 8 choices left, as we cannot repeat any digit. Similarly, we have 7, 6, 5, and 4 choices for the next digits.

Using the counting principle, we multiply the number of choices for each digit:
9 (first digit) * 9 (second digit) * 8 * 7 * 6 * 5 * 4 = 326592

There are 326592 different 7-digit license plates that can be made under the given conditions.

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Answer:

25% i believe

Step-by-step explanation:

40 is 1/4 (or 25%) of 160

Answer:

The answer is 20%.

Step-by-step explanation:

Answer:

20%

Step-by-step explanation:

To write the decimal as a percent, we multiply it by 100

0.20 = 0.20 × 100 = 20%

Hence, 0.20 is the same as 20%.

a) To get the maximum volume of the box, we should cut squares with side length of 5.66cm from each corner of the cardboard.

b) The area of each square is 31.96 square cm.

Let's denote the side length of the square that needs to be removed from each corner as "x"

The length of the cardboard box, after removing the squares from each corner, will be

L = 119cm - 2x

Similarly, the width of the cardboard box will be

W = 24cm - 2x

And the height of the cardboard box will be

H = x

To maximize the volume of the box, we need to find the value of "x" that maximizes the expression for the volume of the box, which is given by

V = LWH

Substituting the expressions for L, W, and H in terms of x, we get

V = (119cm - 2x)(24cm - 2x)(x)

Expanding this expression gives

V = 4x^3 - 286x^2 + 2856x

To find the value of "x" that maximizes this expression, we can take the derivative of V with respect to x and set it equal to zero

dV/dx = 12x^2 - 572x + 2856 = 0

Solving for x gives

x = (572 ± sqrt(572^2 - 4(12)(2856)))/(2(12))

x ≈ 5.66cm (ignoring the negative root)

Therefore, to get the maximum volume of the box, we should cut squares with side length of 5.66cm from each corner of the cardboard.

The area of each square is x^2 = 5.66^2 = 31.96 square cm.

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The amount of storage required to represent a simple graph with n vertices and m edges can vary depending on the chosen representation. Here's the storage requirement for each representation:

a) Adjacency lists:

In an adjacency list representation, we typically use an array of size n to store the vertices, and for each vertex, we maintain a linked list or an array to store its adjacent vertices. The space complexity of this representation is O(n + m), where n is the number of vertices and m is the number of edges.

Each vertex requires constant space, and each edge is represented by a link or entry in the adjacency list.

b) Adjacency matrix:

In an adjacency matrix representation, we use a 2D matrix of size n x n to represent the graph. Each entry (i, j) in the matrix represents whether there is an edge between vertices i and j. The space complexity of this representation is O(n^2), as we need to store n^2 entries for the complete matrix. However, if the graph is sparse (few edges compared to vertices), the space complexity can be reduced to O(n + m) by only storing the entries corresponding to the existing edges.

c) Incidence matrix:

In an incidence matrix representation, we use a 2D matrix of size n x m, where n is the number of vertices and m is the number of edges. Each entry (i, j) in the matrix represents whether vertex i is incident to edge j. The space complexity of this representation is O(n * m), as we need to store n * m entries for the matrix.

Similar to the adjacency matrix, if the graph is sparse, the space complexity can be reduced to O(n + m) by storing only the entries corresponding to the existing edges.

In summary:

a) Adjacency lists: O(n + m)

b) Adjacency matrix: O(n^2) or O(n + m) for sparse graphs

c) Incidence matrix: O(n * m) or O(n + m) for sparse graphs

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Answer: 3.5 integers can be in decimals too. and any number counts as an integer except for 0

Answer:

3

Step-by-step explanation:

Find the number in the whole number place 3 and look one place to the right for the rounding digit on the right side of the decimal point 4. Round up if this number is greater than or equal to 5 and round down if it is less than 5.

For using completing the square, first make sure that the coefficient of x² is 1, if it's not 1, then you need to make it 1, by dividing both sides of the equation by the coefficient whatever it is. So, jere the coefficient of x² is 1, so now we need to develop a whole square on both sides, for which,we will add the square of half of coefficient of x on both sides, so adding (-16/2)² = (-8)² = 64 on both sides, we will be having :

\({:\implies \quad \sf x^{2}-16x+64=-21+64}\)

Which suits the B) option

Hence, Option B) is correct

Answer:

A quadrilateral.

Step-by-step explanation:

The shape has 4 sides, so it is a quadrilateral.

Answer:

dart

Step-by-step explanation:

The length

�

a is approximately 0 units. The measure of angle

�

B is approximately 0 degrees. The measure of angle

�

C is approximately 180 degrees.

In a triangle, the sum of the measures of the three angles is always 180 degrees. Since angle

�

C is given as 0 degrees, the sum of angles

�

A and

�

B must be 180 degrees. We can set up the equation

�

+

�

=

180

A+B=180 and solve for angle

�

B.

Since angle

�

B is not given in the problem, we cannot determine its measure. The value of angle

�

B can be any number between 0 and 180 degrees. Therefore, we cannot provide an exact measure for angle

�

B without additional information.

Regarding the length

�

a, it is given as 0 units. A triangle with a side length of 0 units is degenerate and does not form a closed shape. In other words, it cannot exist as a triangle in a Euclidean plane. Therefore, we cannot provide a meaningful calculation or explanation for the length

�

a in this case.

In this scenario, the length

�

a is 0 units, angle

�

B can be any value between 0 and 180 degrees, and angle

�

C is 0 degrees. However, it is important to note that a triangle with a side length of 0 units is not a valid triangle in Euclidean geometry.

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The Matlab & Simulink model consists of a Clock block to generate a time signal, a Gain block to multiply the time signal by 2, and a Differential Equation block to solve the given differential equation. The Scope block is used to visualize the behavior of the variable x over time.

To construct a Matlab & Simulink model for the given mathematical model, we can use Simulink's Differential Equation block and a Clock and Gain block. Here's a step-by-step guide:

1. Open Simulink in Matlab.

2. Drag and drop a Clock block from the Simulink Library Browser into the model.

3. Drag and drop a Gain block from the Simulink Library Browser into the model.

4. Double-click on the Gain block and set the Gain value to 2.

5. Drag and drop a Differential Equation block from the Simulink Library Browser into the model.

6. Double-click on the Differential Equation block and enter the equation `d²x + 3 + 4*x + 6 = 5*cos(2*t)`.

7. Connect the output of the Clock block to the input of the Gain block, and the output of the Gain block to the input of the Differential Equation block.

8. Connect the output of the Differential Equation block to a Scope block from the Simulink Library Browser.

9. Run the simulation.

The Scope block will show the behavior of the value of x over time according to the given mathematical model.

In conclusion, The Clock block provides the independent variable t, and the Differential Equation block evaluates the given equation to compute the value of x. The simulation shows the dynamic response of x as influenced by the equation and the time signal.

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The probability that you and your friends are on time for the movie when choosing a line uniformly at random depends on the number of people in your group and the probability of each person being on time.

To calculate the probability that you and your friends are on time for the movie when choosing a line uniformly at random, we need to make some assumptions.

Let's assume that there are only two lines to choose from, and that the probability of being on time for the movie is the same for both lines. Also, let's assume that your group consists of n people.

The probability that all n people in your group are on time for the movie is p^n, where p is the probability of one person being on time. This assumes that each person's arrival time is independent of the others.

Now, let's consider the probability that at least one person in your group is late. This can happen in several ways:

- One person is late: p*(1-p)^(n-1)

- Two people are late: p^2*(1-p)^(n-2)

- Three people are late: p^3*(1-p)^(n-3)

- ...

- All n people are late: (1-p)^n

The probability of at least one person being late is the sum of these probabilities:

P(at least one person is late) = p*(1-p)^(n-1) + p^2*(1-p)^(n-2) + ... + (1-p)^n

Therefore, the probability that everyone in your group is on time for the movie when choosing a line uniformly at random is:

P(everyone is on time) = 1 - P(at least one person is late)

We can use this formula to calculate the exact probability for any given value of n and p.

It can be calculated using the formula P(everyone is on time) = 1 - P(at least one person is late), where P(at least one person is late) is the sum of the probabilities of each possible number of people being late.

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Answer:

A :-) Given -

perimeter = 65 inches

Side ‘a’ = 2x

Side ‘b’ = 3 1 by 4x + 1

Solution -

Perimeter = 65

= a + b = 65

= 2x + 3 1 by 4x + 1 = 65

( 3 1 by 4 = 4 x 3 + 1 = 12 + 1 by 4

= 13 by 4 )

= 2x + 13 by 4x + 1 = 65

= 2x + 13 by 4x = 65 - 1

= 2x + 13 by 4x = 64

= 15 by 4 x = 64

= x = 64 x 4 by 15

= x = 256 by 15

= x = 17.06

.:. The value of x = 17.06.

Answer:

Places in binary coding

1 - 2 - 4 - 8 - 16 - 32 - 64 - 128 - 256 - 512 - 1024 - 2048

2483 - 2048 = 435      there is 1 in the 2048 position

435 - 256 = 179    there is 1 in the 256 position

179 - 128 = 51        there is 1 in the 128 position

51 - 32 = 19         there is 1 in the 32 position

19 - 16 = 3           there is 1 in the 16 position

3 - 2 = 1            there is 1 in the 2 position

1 - 1 = 0             there is 1 in the 1 position

10011011 0011     would be the binary result

Check:

2048 + 0 + 0 + 256 + 128 + 0 + 32 + 16 + 0 + 0 + 2 + 1 = 2483

so the sign is made up a rectangular 17x8 piece, and then we cut out a whole with a radius of 2.2 cm, so if we put it on the sidewalk, the sign will end up looking like the one in the picture below.

so if we just get the whole area of the rectangle and then subtract the area of the circle, in effect making a hole in it, what's leftover is their difference.

\(\stackrel{\textit{\LARGE Areas}}{\stackrel{rectangle}{(17)(8)}~~ - ~~\stackrel{circle}{\pi (2.2)^2}} \implies 136-4.84\pi ~~ \approx ~~ \text{\LARGE 121}~cm^2\)

Answer:

A:   -1 + 2 log4^x

C: log4 (1/4) + log4 x^2

Step-by-step explanation:

Apply logarithm properties:

log4 (1/4x^2)  =  log4 (1/4) + log4 x^2

Evaluate: log4 (1/4)

log4 (1/4) = -1

Substitute the value back:

-1 + lg4 x^2

Apply logarithm properties:

-1 + 2 log4 ^x

Draw a conclusion:

The expressions equivalent to: log4 (1/4x^2) are:

Answer Choices: A, and C

A= -1 + 2 log4^x

C=  log4 (1/4) + log4 x^2

Hope this helps!

Answer:

Hello! I Have the Correct Answer to This Question, 8,568 ways

Hope This Helps!

Explination:

C(18, 5) = 18!/((18 - 5)! 5!)

C(18, 5) = 18!/(13! 5!)

C(18, 5) = 14*15*16*17*18/(2*3*4*5)

C(18, 5) = 8,568 ways

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