A baseball is thrown into the air with an upward velocity of 30 ft/s. Its height h, in feet, after t seconds is given by the function h=−16t2+30t+6.
a. What is the initial height of the baseball?
b. How long will it take the ball to reach its maximum height? Give a reason for your answer.
c. What is the ball's maximum height? Give a reason for your answer.

Answer:

14

Step-by-step explanation:

THE ANSWER TO THE PROBLEM IS 14

Answer:

$127.75

Step-by-step explanation:

Multiply the cost by the area to find the total cost

The decibel level is 115.

From the question, we have

The decibel level is

\(D=10log \frac{I}{I_o}\\=10log \frac{10^{0.5} }{10^-12}\\\\=10log10^{11.5} \\=10*11.5=115\\\)

Decibel:

Since some noises are dangerous, we can measure the sound that surrounds us in order to be protected and informed. In actuality, loud noise can harm our hearing. Decibel is the unit of measurement for sound intensity. Because the human ear is so sensitive, you can hear anything, including a tremendous thunderclap, when your fingertip lightly brushes across your skin. The sound of a thunderclap is roughly 1,000,000,000,000 times more powerful than the tiniest audible sound in terms of power. That really does make a difference! Let's study more about the decibel unit in this article.

To learn more about decibel visit: https://brainly.com/question/26848451

#SPJ9

The integral ˆ«(1 to [infinity]) xe^-x2 dx, is  E) divergent, that is, an indefinite integral with an upper limit of infinity.

Let's use the following steps to evaluate indefinite integral:

ˆ«(1 to [infinity]) xe^-x2 dx

We can start by making a substitution to simplify the integral.

We substitute u = -x^2, du = -2x dx. When x approaches infinity, u approaches negative infinity, and when x is 1, u is -1.

Now we can rewrite the integral with the substitution:

ˆ«(-1 to -infinity) e^(u/2) du

Next, we can use the limit property of integrals to evaluate the integral as u approaches negative infinity:

lim[u->-infinity] ˆ«(-1 to u) e^(u/2) du

As u approaches negative infinity, e^(u/2) approaches zero, so the integral becomes zero or the integral converges to zero.

Read more about indefinite integral at brainly.com/question/27419605

#SPJ1

Answer:

Slope = -1

Explanation:

Basically, your rise will be going 1 box up (an arrow upwards) and your run would be 1 box to the left (an arrow to the left). This will give you :-

1/-1 = -1

Hope this helps, thank you :) !!

Answer:

-4/3

Step-by-step explanation:

Answer:

A) 2a + 4c = 38.00

B) 3a + 3c = 40.50

We multiply A) by -1.5

A) -3a -6c = -57 then we add B)

B) 3a + 3c = 40.50

-3c = -16.50

c = 5.50

a = 8.00

Step-by-step explanation:

SOLUTION

solve for x



-5/3n = -3​

cross - multiply we have:

-5 = 3 n X 3

-5 = 9n

Divide both sides by 9, we have;

n = -5 / 9

The statement " Rate of college enrollment immediately after completing high school was 67% by 1997" is an example of (a) Descriptive Statistics.

The Descriptive statistics involves the use of measures, such as averages, proportions, and frequencies, to summarize and describe the main features of a set of data.

In this statement, the rate of 67% is a summary statistic that describes the proportion of high school graduates who enrolled in college immediately after completing high school in 1997.

Whereas; the inferential statistics involves making inferences or predictions about a population based on a sample of data.

The statement provides a summary statistic for the rate of college enrollment for a specific year, 1997, but it does not provide any inferences or predictions about the rate of college enrollment for other years or other populations , so it denoted a Descriptive Statistics .

The given question is incomplete , the complete question is

What type of Statistics does the statement "the rate of college enrollment immediately after high school completion was 67" represents ?

(a) Descriptive

(b) Inferential

Learn more about Descriptive Statistics here

https://brainly.com/question/29487303

#SPJ4

The distance between the point P and the line ℓ is 24 / √(74) units.

To find the distance between a point P and a line ℓ, we need to use the coordinates of both the point and the line. In this case, we have the coordinates of the point P, which is (−1, 1), and two points on the line ℓ, which are (11, −1) and (−3, −11).

The first step is to find the equation of the line ℓ. We can use the two points on the line to find the slope of the line, which is:

m = (y₂ - y₁) / (x₂ - x₁)

where (x₁, y₁) and (x₂, y₂) are the coordinates of the two points on the line. Substituting the given coordinates, we get:

m = (-11 - (-1)) / (-3 - 11) = -10 / (-14) = 5 / 7

Now we can use the point-slope form of the equation of a line to find the equation of line ℓ:

y - y₁ = m(x - x₁)

where (x₁, y₁) is any point on the line. We can choose either of the given points, let's choose (11, −1):

y - (-1) = (5 / 7)(x - 11)

Simplifying this equation, we get:

y = (5 / 7)x - 36 / 7

So, the equation of line ℓ is y = (5 / 7)x - 36 / 7.

Now we can use the formula for the distance between a point and a line:

distance = |ax + by + c| / √(a² + b²)

where a, b, and c are the coefficients of the equation of the line, and x and y are the coordinates of the point. In this case, the coefficients of the equation of line ℓ are a = 5 / 7, b = -1, and c = -36 / 7. Substituting the coordinates of the point P, we get:

distance = |(5 / 7)(-1) - 1 + (-36 / 7)| / √((5 / 7)² + (-1)²)

Simplifying this equation, we get:

distance = 24 / √(74)

To know more about distance between two points here

https://brainly.com/question/24485622

#SPJ4

Answer:

2/3

Step-by-step explanation:

log27(9)

Factor the number: 27=3³

= log3³(9)

Apply log rule: loga^b(x) - 1/b loga(x).

log3³(9) =1/3 log3³(9)

=1/3 log3³(9)

Factor the number: 9=3²

=1/3 log3³(3²)

Apply log rule: loga(a^b) =b

log3 (3²) =2

1/3×2

=2/3

The torque on the current loop is maximum in position 1 where the plane of the loop is perpendicular to the magnetic field lines. This is because the magnetic field exerts a force on the moving charges in the wire, causing them to experience a torque that is perpendicular to both the magnetic field and the current in the loop. In position 2 and 3 where the plane of the loop is parallel to the field, the torque is zero as there is no perpendicular component to the magnetic field.

The torque on a current loop in a magnetic field depends on its orientation. Here, we have three positions to consider:

1. The plane of the loop is perpendicular to the field lines.
2. The plane of the loop is parallel to the field lines (Position 2).
3. The plane of the loop is parallel to the field lines (Position 3).

The torque on the loop is given by the formula: torque = μ x B, where μ is the magnetic moment of the loop, B is the magnetic field, and x represents the cross product. The maximum torque occurs when the angle between μ and B is 90 degrees.

In Position 1, the plane of the loop is perpendicular to the field lines, which means the angle between μ and B is 90 degrees. Thus, the torque is at its maximum in this position.

In Positions 2 and 3, the plane of the loop is parallel to the field lines, meaning the angle between μ and B is either 0 or 180 degrees. In both these cases, the torque is at its minimum.

Therefore, the torque on the loop is maximum in Position 1, where the plane of the loop is perpendicular to the field lines.

Learn more about torque at: brainly.com/question/28220969

#SPJ11

Answer:

48

Step-by-step explanation:

k should be 48 because if 33 is 15 less than k than would mean k is 15 more than 33= 33 + 15 = 48

unbiased

If the expected value of a sample statistic is equal to the parameter it is estimating, we can call the sample statistic:

a. unbiased.

To know more about sample statistics visit:

https://brainly.in/question/23666712

#SPJ11

Answer:

Step-by-step explanation:

(C).  A( - 4, - 1 ), B( 3, 0 ), C( - 7, 2 )

The constant rate of change and initial value for the given graph are 40 and 20 respectively. the initial value might represent the fixed cost of the soil.

The slope of a straight line is the tangent of the angle formed by it with the positive x axis as the reference. The negative slope indicates the rate of decrease while the positive shows the rate of increase.

The given problem can be solved as follows,

(a) The graph given is a straight line that passes through (0, 40) and (10, 240).

The constant rate of change is equivalent to the the slope of the line given as,

⇒ (240 - 40)/(10 - 0) = 20

(b) The initial value of the graph is given as the y-intercept of the line.

Which is given as 40.

It might represent the fixed cost.

Hence, the constant rate of change is given as 40 and the initial value is 20 which might represent the fixed cost.

To know more about slope click on,

https://brainly.com/question/3605446

#SPJ1

The missing graph is attached here.

Answer:

A = (6,0)

B = (5,8)

C = (9,8)

D = (2,4)

Answer:

14.571 time she gets her car washed

Step-by-step explanation:

The correct answer is A) 3.14 is the approximate ratio of the circumference to the diameter of a circle, rounded to the nearest hundredth.

This is due to the fact that the circle's circumference to diameter ratio, often known as pi, is roughly equal to 3.14.

A circle's circumference divided by its diameter is known as pi, and it is a mathematical constant.

Thus, the ratio of circumference to diameter will always be equal to pi, regardless of the size of the circle.

Hence, the circumference to diameter ratio of a circle, rounded to the closest hundredth, is approximately 3.14.

Complete Question:

Liza measures the circumferences and diameters of different circles and records them in a table. What is the approximate ratio of the circumference to the diameter of a circle, rounded to the nearest hundredth?

Options:

A) 3.14

B) 6.28

C) 12.56

D) None of the above

To learn more about diameter visit:

https://brainly.com/question/10907234

#SPJ4

The possible outcomes are WH, BH, BH, BH, RH, RH, WL, BL, BL, BL, RL, RL

The given parameters are:

Coin = Head (H) and Tail (T)

Marble = W, B, B, B, R, R

See attachment for the tree diagram

From the tree diagram, we have the following possible outcomes

WH, BH, BH, BH, RH, RH, WL, BL, BL, BL, RL, RL

Read more about tree diagram at:

https://brainly.com/question/13311154

#SPJ1

The basic arithmetic operations are:

Addition (+): The operation of finding the total of two or more numbers.

Subtraction (-): The operation of finding the difference between two numbers.

Multiplication (*): The operation of finding the product of two or more numbers.

Division (/): The operation of finding the quotient of two numbers, where the numerator is divided by the denominator.

Exponentiation (^ or **): The operation of finding the result of raising a number to a power.

These basic arithmetic operations form the foundation of many mathematical and scientific concepts, and are used in a wide variety of applications. In addition, they are the building blocks for more advanced

mathematical operations, such as logarithms, derivatives, and integrals.

Linear equations are mathematical expressions that describe a linear relationship between two variables. In a linear equation, the highest power of the variables is 1, and the coefficients and variables are related in a straightforward manner.

A linear equation in one variable (such as y = 2x + 1) describes a straight line when plotted on a graph. In two variables, a linear equation describes a plane in three-dimensional space.

Linear equations have the form:

y = mx + b

where x and y are variables, m is the slope of the line, and b is the y-intercept, the point at which the line crosses the y-axis.

Linear equations are used in many fields, including economics, physics, and engineering, to model and analyze relationships between variables.

Learn more about Linear equations here

https://brainly.com/question/3170347

#SPJ1

It should take approximately 1.98 hours, or around 1 hour and 59 minutes, to cook a 5.17 pound beef rib roast based on the recommended guideline of 23 minutes per pound at a 325°F oven setting.

To calculate the cooking time for a 5.17 pound roast, we can use the recommended guideline of 23 minutes per pound. First, we need to convert the weight from pounds to minutes, and then convert minutes to hours.

Cooking time in minutes = 5.17 pounds * 23 minutes/pound

Cooking time in minutes = 118.91 minutes

To convert minutes to hours, we divide the total minutes by 60:

Cooking time in hours = 118.91 minutes / 60

Cooking time in hours ≈ 1.98 hours

Therefore, it should take approximately 1.98 hours to cook a 5.17 pound beef rib roast based on the recommended guideline of 23 minutes per pound at a 325°F oven setting.

To know more about recommended guideline refer here:

https://brainly.com/question/28617982#

#SPJ11

Therefore, the value of the test statistic is 1.71.

The test statistic calculates the standard errors that separate the sample percentage from the predicted population proportion. The null hypothesis, which in this case is that the genuine proportion of readers who own the specific make of automobile is not greater than 58%, is stronger evidenced by a larger absolute value of the test statistic.

We must apply the following formula to determine the test statistic's value:

Z = (P - p) / (p*(1-p)/n), where P is the sample proportion, p is the hypothesised population proportion (0.58 in this case), n is the sample size (300), and sqrt stands for the square root.

By replacing the given values, we obtain the following result, which is rounded to two decimal places: z = (0.62 - 0.58), (0.58 * 0.42 / 300), z = 1.71.

The test statistic is positive, which indicates that the sample percentage of 62% exceeds the population proportion predicted by 58%. The difference between the sample proportion and the predicted population proportion is 1.71 standard errors distant from the mean, according to the value of 1.71. This indicates that the sample proportion is statistically significant at the 0.02 level, but in order to draw a firm conclusion, we must compare it to the critical value.

To know more about test statistic,

https://brainly.com/question/14128303

#SPJ11

Answer: A): 15.90 ounces to 16.4 ounces.

Step-by-step explanation:

Considering the standard deviation is 0.25 ounces. The mean of the juice is 16.15 ounces. Additionally, 68% is one standard deviation away from the mean.

With that being said, you would do the following calculations:

\(16.15-0.25=15.90\\\\16.15+0.25=16.40\)

This question relates to The Empirical Rule and understanding how it works. A brief summary is that within one standard deviation of the mean, that is where 68% of the data lies. Two standards deviations is 95%. And three standard deviations is 99.5%.

The formula: \(u\frac{+}{-} o\)

the mean PLUS OR MINUS the standard deviation.

Answer:

A

Step-by-step explanation:

Answer:

Therefore, based on the given scatter plot, the set of numbers that matches the points is C. 8,9,8,10,8,11.

Step-by-step explanation:

The scatter plot shown represents a set of nine points on a coordinate plane. Each point consists of an x-coordinate and a y-coordinate. To determine which set of numbers corresponds to the scatter plot, we need to analyze the pattern in the given points.

Looking at the scatter plot, we observe that the x-coordinates range from 0 to 10 with an increment of 1, while the y-coordinates seem to vary.

Now let's examine the given answer choices:

A. .4,4,5,5,6,6

B. .4,10,4,11,4,12

C. 8,9,8,10,8,11

D. 10,10,10,11,10,12

Set C (8,9,8,10,8,11) among these answer choices matches the pattern observed in the scatter plot. The x-coordinates in the scatter plot range from 0 to 10, and the y-coordinates correspond to the numbers provided in set C.

Therefore, based on the given scatter plot, the set of numbers that matches the points is C.

For more questions on this topic refer to this link:
https://brainly.com/question/6592115
#SPJ8

The converse of the statement "If a figure is a square, its diagonals divide it into isosceles triangles" would be:

"If a figure's diagonals divide it into isosceles triangles, then the figure is a square."

The converse statement is not necessarily true. While it is true that in a square, the diagonals divide it into isosceles triangles, the converse does not hold. There are other shapes, such as rectangles and rhombuses, whose diagonals also divide them into isosceles triangles, but they are not squares. Therefore, the converse of the statement is not always true.

Therefore, the converse of the given statement is not true. The existence of diagonals dividing a figure into isosceles triangles does not guarantee that the figure is a square. It is possible for other shapes to exhibit this property as well.

In conclusion, the converse statement does not hold for all figures. It is important to note that the converse of a true statement is not always true, and separate analysis is required to determine the validity of the converse in specific cases.

for similar questions on triangles.

https://brainly.com/question/1058720

#SPJ8

A. How long did it take the shuttlecock to fall to the bottom? The time it took for the shuttlecock to fall to the bottom is 0.78 seconds.B. What was the acceleration of the shuttlecock during its fall? The acceleration of the shuttlecock during its fall is −9.81 m/s².C. What was the velocity of the shuttlecock when it hit the bottom?

The velocity of the shuttlecock when it hit the bottom is −7.68 m/s. This is an example of instantaneous velocity.D. What is the mathematical relationship between these three values? The mathematical relationship between these three values is described by the formula:v = at + v0 where:v is the final velocity is the acceleration is the time it took for the object to fallv0 is the initial velocity8. Make a rule:

If the acceleration is constant and the starting velocity is zero, what is the relationship between the acceleration of a falling body (a), the time it takes to fall (f), and its instantaneous velocity when it hits the ground (v)?The mathematical relationship between the acceleration of a falling body (a), the time it takes to fall (t), and its instantaneous velocity when it hits the ground (v) when the acceleration is constant and the starting velocity is zero can be expressed by the following formula:v = at where:v is the final velocity is the accelerationt is the time it took for the object to fall.

Learn more about Shuttlecock at https://brainly.com/question/29368860

#SPJ11

She could put 6 markers and 8 stickers in each bag to make 8 bags in total.

Arithmetic overflow error converting varchar to data type numeric is an error message that occurs when attempting to convert a string (varchar) data type to a numeric data type in SQL Server, and the resulting numeric value is too large to be stored in the specified data type. This error can occur when performing calculations that exceed the maximum range of the numeric data type, or when the string value contains non-numeric characters.

When attempting to convert a varchar value to a numeric value in SQL Server, the system checks if the string value contains only numeric characters and then attempts to convert it to the specified data type. If the resulting numeric value is larger than the maximum value that can be stored in the data type, an arithmetic overflow error occurs.

For example, if you have a varchar column with the value '12345678901234567890' and you try to convert it to a numeric data type with a maximum of 18 digits, an arithmetic overflow error will occur because the resulting value is larger than the maximum value that can be stored in the data type.

To avoid this error, you can either increase the precision and scale of the numeric data type to accommodate larger values or ensure that the string value contains only numeric characters before attempting to convert it. You can also use the TRY_CONVERT function instead of CONVERT function to handle the conversion errors gracefully.

To learn more about Arithmetic overflow here:

brainly.com/question/30792416#

#SPJ11

Answer:

y = 2 x − 1

Step-by-step explanation:

Answer:

2

Step-by-step explanation:

We can find the slope from the slope equation

m = (y2-y1)/(x2-x1)

   = ( 1- -3)/(1 - -1)

   = (1+3)/(1+1)

   = 4/2

  =2