HELP HELP I don’t know how to do thissssss

The statement which is not true is |a| > b option (A) |a| > b is correct after applying the concept of the number line.

It is defined as the representation of the numbers on a straight line that goes infinitely on both sides.

It is given that:

The number line is shown in the picture,

From the number line, we can draw a conclusion that:

The true statements are:

- |b| < b

|a| > a

|a| < |b|

The false statement:

|a| > b

It should be:

|a| < b

Thus, the statement which is not true is |a| > b option (A) |a| > b is correct after applying the concept of the number line.

Learn more about the number line here:

brainly.com/question/13189025

#SPJ1

The coordinates of the center is (32, 40.5).

length of the radius of the circle is 73 units.

The coordinates of the center is solved using the formula for midpoints expressed as

Midpoint x-coordinate = (x₁ + x₂) / 2

Midpoint y-coordinate = (y₁ + y₂) / 2

Plugging in the values:

x₁ = 8 and y₁ = 13

x₂ = 56 and y₂ =68

Midpoint x-coordinate

= (8 + 56) /2

= 64/2

= 32

Midpoint y-coordinate

= (13 + 68) /2

= 81/ 2

= 40.5

distance formula will be used to find the length of the radius of the circle

d = √[(x₂ - x₁)² + (y₂ - y₁)²]

Plugging in the values:

= √[(56 - 8)² + (68 - 13)²]

= √(48² + 55²)

= √(2304 + 3025)

= √5329

= 73

Learn more about circle at

https://brainly.com/question/24375372

#SPJ1

Answer:

plugg in x values into the given functions.

it's option A

The perimeter of the shaded region is 40 mm. It is calculated by adding twice the length (2L) to twice the width (2w) of the figure.

To find the perimeter of the shaded region, we need to determine the lengths of the sides of the shaded region. From the given information, we know that the length (L) of the figure is 14 mm and the width (w) is 6 mm.

The shaded region consists of two lengths and two widths of the figure. Therefore, the perimeter of the shaded region is given by:

Perimeter = 2L + 2w

Substituting the values, we have:

Perimeter = 2(14 mm) + 2(6 mm)

Perimeter = 28 mm + 12 mm

Perimeter = 40 mm

Therefore, the perimeter of the shaded region is 40 mm.

Learn more about ”Perimeter” here:

brainly.com/question/7486523

#SPJ11

Answer:

y intercept is (0,3)

the slope is 2

slope intercept form: y= -6x+24

Step-by-step explanation:

The 95% confidence interval for the mean tip percentage is (3.49, 4.22)

Confidence interval is the two-sided limit consisting of the lower limit and the upper limit and the value between the two limits is the parameter value.

For this question, we have given a graph of the data, so we only need to see the data and interpret that to answer the question.

First, since confidence interval is 95% so we must see 2.5% limit for two side or equal to 0.025.

For the lower limit, see upper value of dot plot then see separate lowest 0.025 of data is 3.491 or 3.49.

For the upper limit, see lower value of dot plot then see separate highest 0.025 of data is 4.224 or 4.22.

Thus, the 95% confidence interval is (3.49, 4.22) for the mean tip percentage.

Your question is incomplete, but most probably your full question was (image attached)

Learn more about confidence interval here:

brainly.com/question/24131141

#SPJ4

A 120-by-5 matrix named "grades" has been created to represent the exam grades of 120 students across 5 units. The matrix contains randomly generated marks in column 1 and corresponding grades in column 2, with scores ranging from 0 to 100.

To create the matrix "grades" with dimensions 120-by-5, random data generation techniques can be employed. The first column represents the marks obtained by each student, while the second column stores the corresponding grades. The scores range from 0 to 100, indicating the full range of possible marks in the exams.

To generate random data, MATLAB offers several functions such as "rand" or "randi". In this case, the "randi" function can be utilized to generate random integers within the desired range. By using a loop to iterate through each row of the matrix, random marks can be assigned to each student.

Additionally, the grades can be assigned based on the marks obtained using appropriate thresholds. These thresholds can be predefined, or a grading scheme can be designed to determine the grades based on the marks.

By following these steps, the matrix "grades" can be populated with random exam scores and corresponding grades for 120 students across 5 units.

To learn more about matrix visit:

brainly.com/question/29000721

#SPJ11

MATLAB DATA CREATION Create a 120-by-5 matrix of elements for 120 student exam grades for 5 units to be stores as matrix grades. This part is random data generation. So, you are expected to be innovative in your data creation. The exams are scored on a single scale of 0 to 100. Use column 1 for marks and column 2 for grades.

Answer:

Step-by-step explanation:

                  Statements                            Reasons

1). FGH is a rectangle                  1). Given

2). EFGH is a parallelogram       2). a. All rectangles are parallelogram

3). EF ≅ b. GH                            3). Opposite sides of a parallelogram are

                                                        equal in measure

4). EH ≅ EH                                 4). c. Reflexive property

5). ∠FEH and ∠GHE are the      5). d. Property of a rectangle

    right angles        

6). ∠FEH ≅ e. ∠GHE                  6). Right angle theorem

7). ΔFEH ≅ ΔGHE                       7). f. SAS postulate of congruence

8). FH ≅ GE                                 8). g. CPCTC (corresponding parts of

                                                          congruent triangles are congruent)

The general solution of the equation \(\(x = p(t) x g(t)\)\) can be represented as the sum of a particular solution \(\(x_p\)\) and the general solution \(\(x_c\)\) of the corresponding homogeneous equation. This implies that any solution of the original equation can be expressed as the sum of these two components, and the sum satisfies the equation.

In order to demonstrate this, we establish two key points. Firstly, we show that any solution of the original equation can be written as the sum of a particular solution \(\(x_p\)\)  and a solution of the homogeneous equation. By subtracting \(\(x_p\)\) from the original equation, we define a new variable\(\(y\)\) that satisfies the homogeneous equation. Therefore, any solution \(\(x\)\) can be expressed as \(\(x = x_p + y\)\), with \(\(x_p\)\) as a particular solution and \(\(y\)\) as a solution of the homogeneous equation.

Secondly, we establish that the sum of a particular solution \(\(x_p\)\) and a solution of the homogeneous equation \(\(x_c\)\) satisfies the original equation. By substituting \(\(x = x_p + x_c\)\) into the equation \(\(x = p(t) x g(t)\),\) we distribute \(\(p(t) g(t)\)\) and observe that \(\(x_p\)\) satisfies the equation. Furthermore, we can rewrite the equation as \(\(x_c = p(t) x_c g(t)\)\). Ultimately, after substituting these expressions back into the equation, we find that \(\(x_p + x_c\)\) is equivalent to \(\(x_p + x_c\)\).

Consequently, we have successfully shown that the general solution of \(\(x = p(t) x g(t)\)\) is the sum of a particular solution \(\(x_p\)\)and the general solution \(\(x_c\)\)of the corresponding homogeneous equation.

Learn more about homogeneous equation here: https://brainly.com/question/30624850

#SPJ11

Answer:

see below

Step-by-step explanation:

1. a = 18, 2. n = -19, 3. x = -17, 4. v = -6, 5. a = 9, 6. x = -2, 7. k = -4,  8. m = -19

9. n = 3, 10.  a = -7, 11. n = -5, 12. n = -6, 13. x = -1/3, 14. m = 2/3 15. m = -9.8

16. n = 7.9, 17. x = 0, 18. b = 2, 19. v = -8, 20. b = -4, 21. n = 3, 22. p = 3.3

Answer:

45

Step-by-step explanation:

The total amount of oranges and apples in the box are 54.

54/(1+5)

54/6

= 9

Oranges to apples is in the ratio 1:5

1×9 : 5×9

9 : 45

The number of oranges in the box are 9.

The number of apples in the box are 45.

Answer:

45 apples and 9 oranges

Step-by-step explanation:

Total = 54

Ratio = 1:5

Total Parts = 1+5 = 6

Oranges:

=> \(\frac{1}{6} * 54\)

=> 1*9

=> 9 oranges

Apples:

=> \(\frac{5}{6} * 54\)

=> 5*9

=> 45 apples

A stone arch can be twice as wide as a stone lintel because an arch distributes the weight of the structure vertically down its curve to the columns (piers) on either side while a lintel distributes the weight horizontally along the length of the stone.

A stone arch can be twice as wide as a stone lintel because an arch distributes the weight of the structure vertically down its curve to the columns (piers) on either side while a lintel distributes the weight horizontally along the length of the stone.

It requires only a small fraction of the arch's width to support itself while a lintel requires the full width of the structure that it spans. Thus, a stone arch can span a larger gap than a stone lintel and be twice as wide while using the same material.

For example, the Roman Colosseum uses an arch to span the entrances and exits while the walls supporting the upper levels use a series of stone lintels to support the structure.

Moreover, the arc prevents the need for a central support structure, which would be in the way of any events taking place in the structure. The technology of arches made them fundamental to ancient Roman architecture. For example, the arches were used to construct aqueducts, which provided a steady supply of water to the city of Rome.

Learn more about stone arch here https://brainly.com/question/11371014

#SPJ11

Answer: yes

Step-by-step explanation:

12    3

4     1

to get to 3 from 12 you divide by 4 and to get from 4 to 1 you also divided by 4

Answer:

The coordinates of the center of the circle is (-1,-0.5)

Step-by-step explanation:

The coordinates of the center are only the midpoint coordinates of the endpoint

Mathematically, that will be;

(x,y) = (x1 + x2)/2, (y1 + y2)/2

= (-4+2)/2, (4-3)/2

= (-2/2),(-1/2)

= (-1, -0.5)

The inflection points of the given function are at x = 0 only. The answer is D.

To find the inflection points of the given function, we need to find the second derivative of the function and set it equal to zero.

y = 5x^4 - x^5

y' = 20x^3 - 5x^4

y'' = 60x^2 - 20x^3

Setting y'' = 0, we get:

60x^2 - 20x^3 = 0

20x^2(3 - x) = 0

x = 0 or x = 3

Now, we need to determine whether these values of x correspond to inflection points. To do this, we can examine the sign of the second derivative in the intervals around each value of x.

For x < 0, y'' is positive (since both terms are positive), so there is a local minimum at x = -3.

For 0 < x < 3, y'' is negative (since 60x^2 < 20x^3), so there is a point of inflection at x = 0.

For x > 3, y'' is positive (since both terms are positive), so there is a local minimum at x = 3.

Therefore, the inflection points of the given function are at x = 0 only. The answer is D.

Learn more about inflection

brainly.com/question/1289846

#SPJ11

(REMEMBER: Final label is ft.)

Hallway = (1/2 in. (width) x (2 in. (length) + 3 in. (length)) x 6 ft. (actual size)

Hallway = (1/2 in. (width) x 5 in. (length)) x 6 ft. (actual size)

Hallway = 5/2 in. (area) x 6 ft. (actual size)

Hallway = 15 ft^2 (final answer)

Kitchen = (3 in. (width) x 3 in. (length)) x 6 ft. (actual size)

Kitchen = 9 in. (area) x 6 ft. (actual size)

Kitchen = 54 ft^2 (final answer)

Answer:

Sorry

Step-by-step explanation:

The value of x is 4√6. The value of y is 4√2.

What are similar triangles?

If two triangles have the same ratio of corresponding sides and an equal pair of corresponding angles, they are similar. When two or more figures have the same shape but differ in size, they are referred to as similar figures.

Consider △ABC:

Height = AC = x, Hypoteneous = BC = 4+8 = 12.

Consider △ADC:

Height = DC = 8, Base = AD = y, Hypoteneous =  AC = x

Consider △ABD:

Height = AD = y, Base = 4.

The triangle ABC is similar to ADC, and ABC is similar to ABD. Since all have one right angle and one angle is common.

The ratio of the corresponding sides of similar triangles is constant.

Consider △ABC and △ADC:

AC/DC = BC/AC

x/8 = 12/x

x² = 12×8

x = 4√6.

Since ABC is similar to ADC and ABC is similar to ABD. Then ADC is similar to ABD.

Consider △ADC and △ABD:

DC/AD = AD/BD

8/y = y/4

y² = 4×8

y = 4√2

To learn more about similar triangles, click on the below link:

https://brainly.com/question/16364919

#SPJ1

Answer:

z = 9/8

Step-by-step explanation:

10 −3(z−2) = 5z + 7

10 - 3z + 6 = 5z + 7

-3z + 16 = 5z + 7

-3z - 5z = 7-16

-8z = -9

z = 9/8

Control charts are used to monitor and identify when a process is out of control. There are several situations that indicate an out-of-control process, and these can be recognized on a control chart. Here are five such situations:

A point falls outside the control limits: If a data point falls above the upper control limit or below the lower control limit, it indicates that the process is out of control. This suggests that there may be a significant change or variation in the process.

Nonrandom patterns: Nonrandom patterns in the data points on a control chart, such as a consistent upward or downward trend, cycles, or oscillations, suggest that the process is not stable. These patterns indicate the presence of special causes of variation.

Runs and streaks: A run or streak refers to a series of consecutive data points that are either above or below the central line on the control chart. Runs or streaks suggest a lack of randomness and indicate that the process is not in control.

Lack of points within control limits: If there are long stretches of data points that are consistently clustered near one control limit or the central line without points within the control limits, it suggests that the process is not stable and may be exhibiting a systematic bias or shift.

Excessive variation: If there is excessive variation in the data points on the control chart, indicated by a wide spread of points around the central line, it suggests that the process is not under control. This can be recognized when the data points exceed the expected range of variation. These situations provide clear indications that a process is out of control and requires investigation and corrective actions to address the underlying causes of the variations. Control charts help in quickly identifying these situations and facilitating timely interventions to maintain process stability and quality.

Learn more about data here: brainly.com/question/29117029

#SPJ11

The Hypotenuse-Leg Theorem states that two right triangles are congruent if and only if the hypotenuse and a leg of one right triangle are congruent to the hypotenuse and a leg of the other right triangle.

From this theorem, we know that corresponding sides must be equal for those triangles to be congruent. Then, we get two equations

Let's start solving the equation for b.

We can start by subtracting 18 from both sides of the equation

Now, we can subtract b from both sides.

And finally, dividing both sides by 3 we have

Now we have our b value. b = 10. Now, let's calculate the value for c.

We can start by adding 22 to both sides of the equation

Now, we can just subtract c from both sides to get our value

Then, we have our c value, c = 20.

Answer:

Yes

Step-by-step explanation:

The ratio for Danny would be 3 / 6 which simplifies to 1 / 2

For Jeff the ratio would be 2 / 4 which simplifies to 1 / 2 as well

The ending dollar balance in inventory, using the FIFO method, is $973.

The cost of each sold unit must be tracked according to the sequence of the unit's purchase if we are to use the FIFO (First-In, First-Out) approach to calculate the ending dollar balance in inventory.

Let's begin by utilizing the FIFO approach to get COGS or the cost of goods sold. In order to attain the total number of units sold, we first sell the units from the earliest purchase (First Purchase) before moving on to the units from the second purchase (Second Purchase).

First Purchase:

Number of Units: 130

Cost per unit: $3.1

Second Purchase:

Number of Units: 451

Cost per unit: $3.5

We compute the cost based on the cost per unit from the First Purchase until we reach the total amount sold to estimate the cost of goods sold (COGS) for the 303 units sold:

Units sold from First Purchase: 130 units

COGS from First Purchase: 130 units × $3.1 = $403

Units remaining to be sold: 303 - 130 = 173 units

Units sold from Second Purchase: 173 units

COGS from Second Purchase: 173 units × $3.5 = $605.5

Total COGS = COGS from First Purchase + COGS from Second Purchase

Total COGS = $403 + $605.5 = $1,008.5

To calculate the ending dollar balance in inventory, we need to subtract the COGS from the total cost of inventory.

Total cost of inventory = (Quantity of First Purchase × Cost per unit) + (Quantity of Second Purchase × Cost per unit)

Total cost of inventory = (130 units × $3.1) + (451 units × $3.5)

Total cost of inventory = $403 + $1,578.5 = $1,981.5

Ending dollar balance in inventory = Total cost of inventory - COGS

Ending dollar balance in inventory = $1,981.5 - $1,008.5 = $973

Therefore, the ending dollar balance in inventory, using the FIFO method, is $973.

To learn more about inventory, refer to:

https://brainly.com/question/25947903

#SPJ4

The fish population will be the same as on January 1, 2002 on January 1, 2017 and all the fish in the lake will have died by 2019

The function is given as:

F(t) = 1000(30 + 15t - t^2)

Start by calculating F(0) --- population in 2002

So, we have:

F(0) = 1000(30 + 15(0) - 0^2)

F(0) = 30000

Substitute 30000 for F(t) in F(t) = 1000(30 + 15t - t^2)

1000(30 + 15t - t^2) = 30000

Divide by 1000

30 + 15t - t^2 = 30

Simplify

t^2 - 15t = 0

Divide through by t

t - 15 = 0

Solve

t = 15

This means that

Year = 2002 + 15

Year = 2017

Hence, the fish population will be the same as on January 1, 2002 on January 1, 2017

This means  that F(t)= 0

So, we have:

1000(30 + 15t - t^2) = 0

Divide by 1000

30 + 15t - t^2 = 0

Rewrite as

t^2 - 15t - 30 = 0

Using a graphing calculator, we have

t = 17 (approximated)

This means that

Year = 2002 + 17

Year = 2019

Hence, all the fish in the lake will have died by 2019

Read more about population function at:

https://brainly.com/question/13748266

#SPJ1

Answer: Go to this link https://brainly.com/question/21323536

Step-by-step explanation:

Answer:

30 donuts/15 minutes = 2 donuts per minute

Step-by-step explaUnit rate is done by dividing, like 50 miles/2 hours = 25 mphnation:

2 donuts

First you have ur numbers 30 and 15 divide them 30/15=2 every minute 2 donuts can be made! :)

Answer:

The number of rods used by the company is 43 rods/hour

Step-by-step explanation:

Given;

diameter of the cylinder, d = 6 cm

radius of cylinder, r = d/2 = 3 cm

height of the cylinder, h = 40 cm

Volume of the steel rod is given by;

V = πr²h

V =  π(3)²(40)

V = 1131.12 cm³

The number of rods used by the company on average each hour is given by;

\(n = \frac{48,607 \ cm^3}{hour} *\frac{1}{1131.12 \ cm^3}\\\\ n = 43 \ rods/hour\)

Therefore, the number of rods used by the company is 43 rods/hour

They have the same slope, the lines are parallel to one another.

If two non-vertical lines that are in the same plane has the same slope, then they are said to be parallel. Two parallel lines won't ever intersect.

The slopes of two perpendicular lines are negative reciprocals. The product of the slopes of two perpendicular lines is -1

We need to put these equations into y=mx+b format.

3x-5y=20

-5y=-3x+20. (take 5x from both sides)

y=3/5 x -4 ( divide both sides by -3)

The slope is 3/5

y=3/5x-1

The slope is 3/5

Therefore, we can conclude that the lines are parallel to each other as they have same slope.

Learn more about Slope of line here

https://brainly.com/question/16180119

#SPJ1