The steps to simplify the expression -100/3*(-0.6) are shown.
Which step is justified by the commutative property of multiplication?
A.Step 1
B.Step 2
C.Step 3
D.Step 4

Answer:

103.62 cm C is your answer

Step-by-step explanation:

edg 2020

It is c 100% trust me!

On sectional charts, the graticules are the lines that separate each 30 minutes of latitude and each 30 minutes of longitude. One tick mark equals one minute of latitude or longitude. Moving northward increases latitude while moving westward increases longitude. The coordinates of the Garrison (Pvt) airport are 47° 40' 00" N and 101° 26' 00" W.

Direction is characterised as the course that something follows, the route that must be taken to get to a particular location, the direction in which something is beginning to take shape, or the direction you are facing. When you turn right instead of left, that is an illustration of direction.

Identifying whether a direction is clockwise or anticlockwise is a straightforward method for resolving direction problems. If we turn right, the direction will be entirely clockwise. Therefore, when starting from the correct point at North, every right movement will lead in the clockwise directions of East, South, and West.

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Answer:

Cos A = Adjacent / hypochondrium

Cos A= 9/ 41

Answer:

Every choice is not equivalent to 4✖️38.

Step-by-step explanation:

4✖️38=152

A. 54✖️4=216

B. 12✖️18=216

C. 72✖️3=216

D. 12✖️72=864

Every choice is not equivalent to 4✖️38.

Answer:

B answer is correct hiiii

Answer: 50

Step-by-step explanation:

The weight of a randomly selected party size bag of tortilla chips coming off an assembly line is normally distributed with mean = 16.3 ounces and standard deviation = 0.2 ounces. Suppose we pick 4 bags at random and the sample mean = 16.26. The actual sampling error is 0.04 ounces and the typical sampling error is 0.05 ounces.

What is sampling error? The difference between a population parameter and its corresponding sample statistic is known as sampling error. It's also called estimation error. Sampling error can occur in any type of experiment or study when a sample of data is used to estimate a population's parameters or characteristics. The greater the sample size, the smaller the sampling error; the smaller the sample size, the greater the sampling error.

The sampling error formula is:

Sampling error = sample statistic - population parameter.

What is the actual sampling error?

To compute the actual sampling error, we use the formula:

Actual Sampling Error = Sample Mean - Population Mean.

Given the data we have, Sample Mean = 16.26Population Mean = 16.3

Actual Sampling Error = 16.26 - 16.3= -0.04.

Therefore, the actual sampling error is -0.04 ounces.

What is a typical sampling error? We use the formula below to compute the typical sampling error.

Typical Sampling Error = Standard Deviation / √(Sample Size)Standard deviation = 0.2 ounces

Sample size = 4 bags

Typical Sampling Error = 0.2/√4= 0.1/2= 0.05

Therefore, the typical sampling error is 0.05 ounces.

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Answer:

Equilateral

Step-by-step explanation:

Because all sides are equal.

Answer:

0.512 = 51.2%

1.94 = 194%

0.9 = 90%

1.33 = 133%

1.14 = 114%

1.42 = 142%

Step-by-step explanation:

 To convert a decimal to a percent, move the decimal point two spaces to the right.

 Converting a percent to a decimal works the same way, except you move the decimal two spaces to the left.

[Note: If there aren't enough numbers to go over two spaces, place a zero at the end. For example, if you have 0.9, and you need to convert it into a percent, you'd place a zero after the 9, making it 0.90.]

Answer:

See below.

Step-by-step explanation:

x-2y=-4

 *-2  *-2

x+y=8

-x     -x

y=-x+8

-hope it helps

Answer:

y = 1/2x + 2⠀

More than 50% of Americans rely upon television broadcasts for their news.

News, current occasions and ancient programming can help make younger humans extra aware of other cultures and those. Documentaries can help increase vital thinking about society and the arena. television can help introduce teens to classic Hollywood movies and overseas movies that they might not otherwise see.

It broadens the know-how of various cultures, and promotes tolerance and international information of worldwide issues. Through contemporary affairs, discovery, lifestyle, cooking indicates and children's programs, television encourages medical and cultural interest.

Agree with and effect: television is the most relied on a form of marketing and stays maximumly probable to make consumers chortle, circulate them to tears or cause feelings. For example, television is with the aid of a long way the maximum relied on shape of video advertising in Canada. 70% of 18-34-year-olds named tv the most truthful compared to 12% for online video.

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Answer:

5.6

Step-by-step explanation:

11*7=77

11.8*7= 82.6

82.6-77=5.6

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Answer:

120 general admission

280 with student with a student ID

Step-by-step explanation:

x is tickets for general admission

y is tickets with a student ID

5x+3.5y=1580

x+y=400

y=400-x

5x+3.5(400-x)=1580

5x+1400-3.5x=1580

1.5x=180

x=120

120+y=400

y=280

By splitting the fraction, we can write the given expression as n²/(n+9)-8n/(n+9)+1/(n+9). Therefore, option E is the correct answer.

The division is one of the basic arithmetic operations in math in which a larger number is broken down into smaller groups having the same number of items.

The given expression is (n²-8n+1)÷(n+9).

By splitting the fraction, we get

n²/(n+9)-8n/(n+9)+1/(n+9)

Therefore, option E is the correct answer.

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The average is the arithmetic mean of all the observations of a set of numbers. The number of times Brandon rolls above the average is 7.

The average is the arithmetic mean of all the observations of a set of numbers. it is found by dividing the sum of all the observations of the set by the number of observations in the set.

\(\rm{Average=\dfrac{Sum\ of\ observations}{Number\ of\ observations}\)

In order to know the number of times Brandon rolls the dice above the average, we first need to calculate the average of the twenty rolls.

The average of the 20 times dice rolls,

\(\rm Average = \dfrac{6+1+3+4+4+4+6+5+5+3+6+4+4+5+2+3+5+4+4+2}{20}\)

\(\rm Average = \dfrac{80}{20} = 4\)

Thus, the average of the 20 rolls of the dice is 4.

Now, the number of times the result of the dice roll is above 4(x>4) is 7.

Hence, the number of times Brandon rolls above the average is 7.

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Answer:

x<3, infinity<y<infinity

Step-by-step explanation:

The parabola is opening towards the left and its vertex is on (3,0) hence x has to be less than 0 for the function to be true

Complete question is;

Which of the number(s) below are potential roots of the function? p(x) = x⁴ + 22x² – 16x – 12

A) ±6

B) ±1

C) ±3

D) ±8

Answer:

Options A, B & C: ±6, ±1, ±3

Step-by-step explanation:

We are given the polynomial;

p(x) = x⁴ + 22x² – 16x – 12

Now, the potential roots will be all the rational numbers equivalent of p/q.

Where;

p are the factors of the constant term of the polynomial

q are the factors of the leading coefficient of the polynomial

Now, in the given polynomial, the constant term is seen as -12 while leading coefficient is 1 which is the coefficient of x⁴.

We know that factors of 12 are any of:

±1, ±2, ±3, ±4, ±6 and ±12

While possible factors of 1 is just ±1.

Thus, all the potential roots of the polynomial function are;

±1, ±2, ±3, ±4, ±6 and ±12

From the options given, option A, B & C could be the potential roots.

Answer:

6, 1,3 ACE

Step-by-step explanation:

The length of the diameter of circle is 12 feet .

Given equation of circle,

(x - 13)² + (y + 20)² = 36

Now let us see the standard form of equation of circle,

Since, the equation of a circle is,

\({(x-h)^2} + (y - h)^2 = r^2\)

Where,

(h, k) is the center of the circle,

r = radius of the circle,

Comparing it with the standard form  the values of h, k , r are:

Here,

(h, k) = (13, -20)

r²  = 36

r = 6 units,

Now,

Diameter is double than that of radius.

So,

d = 2r

d = 12 feet

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Answer: 540°

Step-by-step explanation:

Sum of Interior Angles in a Pentagon:

(5 - 2) = 3 × 180°= 540°. Hence, the sum of interior angles of a pentagon is 540°.

Answer:

OD is the answer

Step-by-step explanation:

y - 3(x - 1) = 0

y - 3x + 3 = 0

y = 3x - 3

therefore, slope = 3 and y intercept = -3

In a proportional relationship between two quantities, the constant of proportionality, often denoted by the letter "k," represents the value that relates the two quantities. The equation y = kx is the standard form for expressing a proportional relationship, where "y" and "x" are the variables representing the two quantities.

Here's a breakdown of the components in the equation:

y: Represents the dependent variable, which is the quantity that depends on the other variable. It is usually the output or the variable being measured.

x: Represents the independent variable, which is the quantity that determines or influences the other variable. It is typically the input or the variable being controlled.

k: Represents the constant of proportionality. It indicates the ratio between the values of y and x. For any given value of x, multiplying it by k will give you the corresponding value of y.

The constant of proportionality, k, is specific to the particular proportional relationship being considered. It remains constant as long as the relationship between x and y remains proportional. If the relationship is linear, k also represents the slope of the line.

For example, if we have a proportional relationship between the distance traveled, y, and the time taken, x, with a constant of proportionality, k = 60 (representing 60 miles per hour), the equation would be y = 60x. This equation implies that for each unit increase in x (in hours), y (in miles) will increase by 60 units.

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Answer:

x=4

Step-by-step explanation:

Add 99 to both sides.

-4(x+5)=-45+9−4(x+5)=−45+9

Simplify  -45+9−45+9  to  -36−36.

-4(x+5)=-36−4(x+5)=−36

Divide both sides by -4−4.

x+5=\frac{-36}{-4}x+5=

​−4

​​−36

​​  

Two negatives make a positive.

x+5=\frac{36}{4}x+5=

​4

​

​36

​​  

Simplify  \frac{36}{4}

​4

​

​36

​​   to  99.

x+5=9x+5=9

Subtract 55 from both sides.

x=9-5x=9−5

Simplify  9-59−5  to  44.

x=4

♡ The Question ♡

- How do you solve -4(x + 5) - 9 = -45?

*୨୧ ┈┈┈┈┈┈┈┈┈┈┈┈ ୨୧*

♡ The Answer ♡

-The Explanation/Step-By-Step!

*୨୧ ┈┈┈┈┈┈┈┈┈┈┈┈ ୨୧*

♡ The Explanation/Step-By-Step ♡

-  -4 (x + 5) - 9 = -45

Add 9 to both sides! This makes:

-4 (x + 5) - 9 + 9 = -45 + 9

Simplify!

-4(x + 5) = -36

Divide both sides by -4! This makes:

-4(x + 5) over -4 = -36/-4

Simplify!

x + 5 = 9

Subtract 5 from both sides! This makes:

x + 5 - 5 = 9 - 5

Simplify

x = 4

If x = 4..

-4 (4 + 5) - 9 = -45

-4(4 + 5) - 9

4(4 + 5) = 36

= -36 -9

Subtract the numbers: -36 -9 = -45!

= -45

*୨୧ ┈┈┈┈┈┈┈┈┈┈┈┈ ୨୧*

♡ Tips ♡

-No tips provided!

Answer:

3/20 or 15%

Step-by-step explanation:

Out of 1,2,3,4, and 5, there are 3 prime numbers. This makes the odds of selecting one of those prime numbers 3/5. Then, saying that he does pick a prime number and discards that card, there are now four cards, one of them being the number one. His chances of selecting this card is 1/4.

To find the probability you need to multiply the two probabilities together.

3/5 times 1/4 is 3/20.

So your answer is 3/20 or 15%.

Answer:12

Step-by-step explanation:

Answer:

12

Step-by-step explanation:

Answer:

Minus -

Step-by-step explanation:

The number of visitors that we must sample to construct a 95% confidence interval is (b) 1,030 visitors.

In order to construct the 95% confidence interval with a margin of error of  ±3%, we need to find the sample size that will give us a margin of error of 0.03 or less.

The formula used to find desired sample-size is :

⇒ n = (Z² × p × (1-p)) / (E²)

Where, n = required sample size

Z = Z-score for required level of confidence (1.96 for 95% confidence)

p = proportion of visitors who favor proposal;

E = margin of error = (0.03);

We don't know the value of p, So, we use the sample proportion as an estimate:

⇒ p' = 89/150 = 0.5933;

Substituting the values,

we get,

⇒ n = (1.96² × 0.5933 × (1-0.5933)) / (0.03²)
⇒ 1029.67 ≈ 1030.

Therefore, the number of visitors to sample is (b) 1,030 visitors.

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Answer:

(15,9)

Step-by-step explanation:

The solution to the system is where the two graphs intersect

The intersect at x=15 and y =9

(15,9)

a-1. The rate parameter λ is approximately 0.0952.

a-2. The standard deviation of the exponential distribution is approximately 10.5 minutes.

b. No, Jack is not right in believing that taking a break right after serving a customer will lower the probability of someone showing up during his nine-minute break.

c. The probability that a customer will show up in less than nine minutes is approximately 0.5091.

d. The probability that nobody shows up for over forty minutes is approximately 0.0038.

a-1. The rate parameter λ is calculated as the reciprocal of the average time between purchases, which is 1 divided by 10.5, resulting in approximately 0.0952. It represents the average rate at which customers arrive.

a-2. The standard deviation of an exponential distribution is equal to the inverse of the rate parameter λ. In this case, the standard deviation is approximately 10.5 minutes, indicating the variability or spread of the time between customer purchases.

b. Jack's belief is incorrect. The exponential distribution is memoryless, meaning that the time since the last customer's purchase does not affect the probability of a customer showing up. Taking a break immediately after serving a customer does not lower the probability of someone showing up during his nine-minute break.

c. To calculate the probability that a customer will show up in less than nine minutes, we can use the cumulative distribution function (CDF) of the exponential distribution. By substituting the rate parameter λ and the desired time (nine minutes) into the CDF formula, the probability is approximately 0.5091.

d. The probability that nobody shows up for over forty minutes can be obtained by subtracting the probability of a customer showing up in less than forty minutes from 1. Using the CDF formula, with λ and forty minutes as inputs, the probability is approximately 0.0038. This represents the chance of no customer arriving within the specified time period.

In summary, the rate parameter λ and standard deviation determine the characteristics of the exponential distribution. Jack's belief about the effect of his break timing is incorrect due to the memoryless property of the distribution. The probability of a customer arriving in less than nine minutes is around 0.5091, while the probability of nobody showing up for over forty minutes is approximately 0.0038.

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A ribbon is 3 4/5 feet long. Each hair tie needs 2/5 feet. Number of hair ties is 6

No of hair ties = 6

How to find number of hair ties :

Length of the ribbon = 3 4/5 feet

Length of each hair tie needed = 2/5 feet

To find how many ties , divide the total length of ribbon by 2/5

That is  = \(\frac{3 (4/5)}{2/5}\)

= 6 You can make 6 no.  of hair tie from 3 4/5 feet ribbon.

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