find the tax sales on item divide the price of the item by 20 write an algebraic expression to find the sales tax on an item that cost three dollars find the sales tax on a television that cost $800

Answer:

2h + g

Step-by-step explanation:

Answer:

Okay so, one pen equals to 25p, one rubber equals to 10p, and Erica bought a pencil, a rubber, and a ruler for 1 pound, which means 25p+10p equals to 35p, and 100-35= 65p, so one ruler costs 65p, so Horace bought a pencil, a ruler and a pen, we know one pencil equals 25p, a ruler costs 65p, and a pen also equals 25p, so 25+65+25 = 115, so 1pound 15 p

Step-by-step explanation:

The most likely be included in the magazine article that follows this introduction is A. examples of radio programs

A radio program, radio programme, or radio show is a piece of content designed for radio broadcast. It could be a one-time production or part of a recurring series.

Headphones are ubiquitous! People are trapped in their downloaded music worlds, relying on their personal music libraries for entertainment. They are thus ignoring a diverse world of radio offerings that could enrich and entertain them. Local radio stations broadcast music and news, whereas National Public Radio (NPR) broadcasts debate and entertainment for people of all ages.

Based on the information given, it should be noted that after the introduction, the next thing is to simply give the examples of the radio shows. This is important in order to buttress the introduction.

In conclusion, based on the information, the correct option is A.

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Answer:

Step-by-step explanation:

a  i was told by my teacher

Therefore, the probability that a senior boy does both wrestling and football is approximately 0.063 or 6.3%.

Probability is a measure of the likelihood of an event occurring. It is a number between 0 and 1, with 0 indicating that the event is impossible, and 1 indicating that the event is certain. The probability of an event can be determined by calculating the ratio of the number of favorable outcomes to the total number of possible outcomes.

Here,

Let A be the event that a senior boy wrestles, and B be the event that a senior boy plays football. Then, we want to find P(A and B), the probability that a senior boy does both wrestling and football. We know that there are 143 senior boys in total, 104 of whom do not do either wrestling or football. Therefore, the number of boys who do at least one of the two sports is:

N(A or B) = N(A) + N(B) - N(A and B)

= 21 + 27 - N(A and B) (since we don't know N(A and B))

= 48 - N(A and B)

We also know that N(A or B) = 143 - 104 = 39.

Therefore, we can solve for N(A and B):

N(A and B) = 48 - N(A or B)

= 48 - 39

= 9

So there are 9 senior boys who do both wrestling and football.

Finally, we can find the probability that a senior boy does both sports by dividing N(A and B) by the total number of senior boys:

P(A and B) = N(A and B) / N(total)

= 9 / 143

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65, 78, 91, 104

To find out how to get the next 4 multiples of the same number, you would subtract the numbers you already have from each other.

You would take 52 - 39, and you would get 13.

Then you would take 39 - 26 and get also get 13.

See the pattern?

52 - 39 = 13

39 - 26 = 13

26 - 13 = 13

Each of the numbers subtracted from each other equals 13, that means to get the next set of numbers you would add 13 on to the previous number.

52 + 13 = 65

65 + 13 = 78

78 + 13 = 91

91 + 13 = 104

Hope this helps! :)

The rent for The new monthly lease amount is $858.

To find out the new monthly lease amount, we need to take into account that there is one month free, which we need to apply to all the months of the lease period.

A one-year lease is for 12 months.

The total rent amount for 12 months = Regular rent for 12 months - One-month free rent= $936 × 12 - $936 = $11232 - $936= $10296

The free rent is distributed equally across the 12 months:$936 ÷ 12 = $78

The new monthly rent amount is the total rent amount for 12 months divided by the number of months:

Total rent amount for 12 months = $10296

New monthly lease amount = Total rent amount for 12 months ÷ 12

New monthly lease amount = $10296 ÷ 12

New monthly lease amount = $858

Therefore, the new monthly lease amount is $858.

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9514 1404 393

Answer:

  (b)  (−3, −5), because the point satisfies both equations

Step-by-step explanation:

Any solution to a system of two equations must satisfy both equations. The only reasonable explanation of "why" is the one associated with the answer shown above.

well, first off let's check which term has the highest degree, hmmm in this case it has to be the x³, so that's the leading term and its coefficient is 9.

Answer:

Step-by-step explanation:

its c

Given:

A fair die is rolled.

It pays off $10 for 6, $7 for a 5, $4  for a 4 and no payoff otherwise.

To find:

The expected winning for this game.

Solution:

If a die is rolled then the possible outcomes are 1, 2, 3, 4, 5, 6.

The probability of getting a 6 is:

\(P(6)=\dfrac{1}{6}\)

The probability of getting a 5 is:

\(P(5)=\dfrac{1}{6}\)

The probability of getting a 4 is:

\(P(4)=\dfrac{1}{6}\)

The probability of getting other numbers (1,2,3) is:

\(P(\text{Otherwise})=\dfrac{3}{6}\)

\(P(\text{Otherwise})=\dfrac{1}{2}\)

Now, find the sum of product of payoff and their corresponding probabilities to find the expected winning for this game.

\(E(x)=10\times P(6)+7\times P(5)+4\times P(4)+0\times P(\text{Otherwise})\)

\(E(x)=10\times \dfrac{1}{6}+7\times \dfrac{1}{6}+4\times \dfrac{1}{6}+0\times \dfrac{1}{2}\)

\(E(x)=\dfrac{10}{6}+\dfrac{7}{6}+\dfrac{4}{6}+0\)

On further simplification, we get

\(E(x)=\dfrac{10+7+4}{6}\)

\(E(x)=\dfrac{21}{6}\)

\(E(x)=3.5\)

Hence, the expected winnings for this game are $3.50.

The restrictions on the width is that it must be between 14.1 yards and 17.3 yards

From the question, we have the following parameters that can be used in our computation:

Area = between 240 yd² and 360 yd²

Also, we have

Length = 1.2 times the width

This means that

l = 1.2w

The area is then calculated as

Area = lw

So, we have

Area = 1.2w²

This means that

240 < 1.2w² < 360

Divide through by 1.2

200 < w² < 300

Take the square roots

14.14 < w < 17.32

Approximate

14.1 < w < 17.3

Hence, the width must be between 14.1 yards and 17.3 yards

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The standard deviation of the scores of all the students in the class to be:

σ = √[(Σ(x - 80)2) / 50] = 11.18

The standard deviation of the scores of all the students in the class is calculated using the formula

σ = √[(Σ(x - μ)2) / N]

where μ is the mean of the scores and N is the total number of students in the class.

In this case, the total number of students in the class is 50 (30 from section 1 and 20 from section 2). Let's assume that the mean of the scores for all students is 80.

Therefore, the standard deviation of the scores of all the students in the class is calculated as follows:

σ = √[(Σ(x - 80)2) / 50]

In this equation, Σ(x - 80)2 is the sum of the squared differences between each student's score and the mean. We can calculate this sum by first finding the squared difference for each student and then adding them up.

For example, if the scores of the 30 students in section 1 are 86, 95, 78, etc., the squared differences will be (86 - 80)2 = 36, (95 - 80)2 = 225, (78 - 80)2 = 4, and so on. Adding all these squared differences will give us the sum of the squared differences for all the students in the class.

Finally, substituting this sum and the value of N (50) in the formula, we get the standard deviation of the scores of all the students in the class to be:

σ = √[(Σ(x - 80)2) / 50] = 11.18

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Answer:

24 3/4 - 15 1/6

Step-by-step explanation:

1/6 x 4 = 4/24        3/4 x 6 = 18/24    

24-15 = 9

9 14/24 or 9 7/12

Answer:

  1) Σ [n=1, 418] (3+{n-1)4)

Step-by-step explanation:

The expression for the sum is the sum over the number of terms of the expression for a general term.

__

The general term of an arithmetic series is ...

  an = a1 +d(n -1)

where a1 is the first term, and d is the common difference.

The given series has first term a1=3, and common difference d=7-3 = 4. Then the general term is ...

  an = 3 +4(n -1)

The last term will correspond to an n-value that can be found from ...

  1671 = 3 +4(n -1)

  1668 = 4(n -1) . . . . subtract 3

  417 = n -1 . . . . . . . divide by 4

  418 = n . . . . . . . add 1

The expression for the sum is ...

  \(\displaystyle \boxed{\sum_{n=1}^{418}(3+(n-1)4)}\)

Answer:

A on 3dg

Step-by-step explanation:

The tip of the minute hand on a clock travels a distance of 4π inches in 15 minutes.

The distance traveled by the tip of a minute hand on a clock can be calculated using the circumference formula.

The circumference of a circle is given by the formula:

C = 2πr C is the circumference, π is pi (approximately 3.14159) and r is the radius.

The distance from the center of the clock to the tip of the minute hand is the radius is 8 centimeters.

The circumference of the circle traced by the tip of the minute hand is:

\(\text{C} = 2\pi \text{r}\)

\(= 2\pi (8)\)

\(= 16\pi \ \text{centimeters}\)

Since the minute hand travels the full circumference of the circle in 60 minutes, in 15 minutes it will cover 15/60 = 1/4 of the circumference.

The distance traveled by the tip of the minute hand in 15 minutes is:

\(\text{Distance} = \huge \text(\dfrac{1}{4}\huge \text) \times C\)

\(= \huge \text(\dfrac{1}{4}\huge \text) \times (16\pi)\)

\(= 4\pi \ \text{centimeters}\)

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Answer:

4π cm ≈ 12.6 cm

Step-by-step explanation:

The clock can be modelled as a circle, where the radius (r) is equal to the length of the minute hand:  r = 8 cm.

A clock face is divided into 12 equal sectors (numbered 1 to 12).

It takes 60 minutes for the minute hand to complete one revolution of the clock. Therefore, each sector represents the passing of 5 minutes.

This means that 15 minutes equals 3 sectors, which is a quarter of the circle.

To find the distance the tip of the minute hand travels in 15 minutes, we need to find a quarter of the circumference of a circle with radius 8 cm.

The formula for the circumference of the circle is C = 2πr, where r is the radius. Therefore, the equation to find the distance the tip of the minute hand travelled in 15 minutes is:

\(\sf Distance=\dfrac{2 \cdot \pi \cdot 8}{4}\)

Simplifying, we get:

\(\sf Distance=\dfrac{16 \cdot \pi}{4}\)

\(\sf Distance=4 \pi\)

Therefore, the minute hand will travel 4π cm or approximately 12.6 cm (to the nearest tenth) in 15 minutes.

Answer:

whats the graph???

Step-by-step explanation:

Answer: 4

Step-by-step explanation:

When it’s an absolute value no matter what it’s inside the braces ( “ | # | “ ) it’s a positive. While the signs outsides can stay the same

After answering the provided question, we can conclude that Therefore, probability we would expect Tony Gwynn to get approximately 1 or 2 hits in his 4 at-bats, based on his lifetime batting average.

Probability is a measure of how likely an event is to occur. It is represented by a number around 0 and 1, with 0 representing a remote possibility and 1 representing an unavoidable event. Switching a valid coin and coin flips has a probability of 0.5 or 50% because there are two equally likely outcomes. (Heads or tails). Probability theory is a mathematical area that investigates random events but instead of there own properties. It is applied in many fields, including statistics, fund, science, and engineering.

a) The probability that Tony Gwynn gets exactly 2 hits in 4 at-bats can be calculated using the binomial probability formula:

\(P(X = 2) = (4 choose 2) * (0.338)^2 * (1 - 0.338)^2\\P(X = 2) = 6 * 0.114 * 0.352\\P(X = 2) = 0.239\)

Therefore, the probability that he got exactly 2 hits is 0.239.

b) The probability that Tony Gwynn gets at most 2 hits in 4 at-bats can be calculated by adding the probabilities of getting 0, 1, or 2 hits:

\(P(X < = 2) = P(X = 0) + P(X = 1) + P(X = 2)\\P(X < = 2) = (4 choose 0) * (0.338)^0 * (1 - 0.338)^4 + (4 choose 1) * (0.338)^1 * (1 - 0.338)^3 + (4 choose 2) * (0.338)^2 * (1 - 0.338)^2\\P(X < = 2) = 0.202 + 0.371 + 0.239\\P(X < = 2) = 0.812\)

Therefore, the probability that he got at most 2 hits is 0.812.

c) The probability that Tony Gwynn gets at least 2 hits in 4 at-bats can be calculated by subtracting the probability of getting 0 or 1 hits from 1:

\(P(X > = 2) = 1 - P(X = 0) - P(X = 1)\\P(X > = 2) = 1 - (4 choose 0) * (0.338)^0 * (1 - 0.338)^4 - (4 choose 1) * (0.338)^1 * (1 - 0.338)^3\\P(X > = 2) = 1 - 0.202 - 0.371\\P(X > = 2) = 0.427\)

Therefore, the probability that he got at least 2 hits is 0.427.

d) The expected number of hits that Tony Gwynn would get in his 4 at-bats can be calculated using the expected value formula:

\(E(X) = n * p\\E(X) = 4 * 0.338\\E(X) = 1.352\)

Therefore, we would expect Tony Gwynn to get approximately 1 or 2 hits in his 4 at-bats, based on his lifetime batting average.

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Knowing how to recognize congruent lines, we have Angles A&H are congruent.

Two line segments are collinear if they lie on a line. Two line segments are congruent when they have equal measures.

Parallel lines are lines in a plane that are always the same distance from each other. Parallel lines never intersect, while perpendicular lines are those that intersect at a right angle (90 degrees).

In this way, we can identify that the only lines that represent a congruent line are lines A and H.

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Answer:

The null hypothesis is  \(H_o : \mu_1 = \mu_2\)

The alternative hypothesis is   \(H_a : \mu_1 < \mu_2\)

The test statistics is   \(t =  -2.65\)

Reject the null hypothesis

There is  sufficient evidence to conclude that the weight of the old aluminium package pills is less than the new aluminium pills.

Step-by-step explanation:

From the question we are told that

The data for X is  373.2 , 376.7  , 381.6 , 382.1  , 388.7 ,  384.0 ,  397.9 , 389.8 ,385.1 , 371.3 , 383.5

The data for Y is 395.5 ,  384.8 , 383.5  , 386.5  ,394.8

, 391.6  , 397.7 , 384.0 , 391.7 , 398.8

Generally the sample mean for X is mathematically represented as

          \(\= x = \frac{\sum x_i }{n}\)

=>       \(\= x = \frac{373.2 +376.7 +\cdots + 383.5}{11}\)

=>       \(\= x = 383.08 \)

Generally the sample mean for Y is mathematically represented as

          \(\= y = \frac{\sum y_i }{n}\)

=>       \(\= y = \frac{395.5 +384.8 +\cdots + 398.8}{10}\)

=>       \(\= y = 390.89 \)

Generally the standard deviation for  X is mathematically represented as

     \(\sigma_1 = \sqrt{\frac{\sum (x_i - \= x_1 )^2}{n} }\)

=>   \(\sigma_1 = \sqrt{\frac{( 373.2 - 383.08)^2 +( 376.7 - 383.08)^2 +\cdots + ( 383.5 - 383.08)^2 }{11} }\)

=> \(\sigma_1 = 7.63 \)  

Generally the standard deviation for  Y is mathematically represented as

     \(\sigma_2 = \sqrt{\frac{\sum (y_i - \= y )^2}{n} }\)

=>   \(\sigma_2 = \sqrt{\frac{( 395.5 - 390.89)^2 +( 384.8 - 390.89)^2 +\cdots + ( 398.8 - 390.89)^2 }{10} }\)

=> \(\sigma_2 = 5.82 \)  

The null hypothesis is  \(H_o : \mu_1 = \mu_2\)

The alternative hypothesis is   \(H_a : \mu_1 < \mu_2\)

Generally the test statistics is mathematically represented as

     \(t = \frac{\= x - \= y}{ \sqrt{\frac{\sigma_1^2 }{ n_1 } +\frac{\sigma_2^2 }{ n_2 } } }\)

=>   \(t = \frac{383.08 - 390.89}{ \sqrt{\frac{7.63^2 }{ 11 } +\frac{5.82^2 }{10} } }\)

=>   \(t = -2.65\)

Generally the level of significance is \(\alpha = 0.05\)

Generally the degree of freedom is mathematically represented as

      \(df = n_1 + n_2 - 2\)

=>   \(df = 11 + 10 - 2\)

=>   \(df = 19\)

Generally from the student t- distribution table the critical value of   \( \alpha \) at a df = 19 is      

    \(t_{\alpha ,df} =t_{0.05 ,19} = -2.093\)

Now comparing the critical value  obtained with test statistic calculated we see that the critical value is the region of the calculated test statistic( i.e  between  -2.65 and  2.65) hence we reject the null hypothesis

Therefore there sufficient evidence to conclude that the old aluminium package pills weight is less than the new aluminium pills

96 is the smallest number that is a multiple of 4, 6, and 8 and is between 67 and 113.

Given that, Lena must choose a number between 67 and 113 that is a multiple of 4,6, and 8.

Start listing the multiples of 4 between 67 and 113, which are 68, 72, 76, 80, 84, 88, 92, 96, 100, 104, and 108.

We can then narrow down the list by looking for the multiples of 6, which are 72, 78, 84, 90, 96, and 102, and the multiples of 8, which are 72, 80, 88, 96, 104, and 112.

Since 96 is the smallest number that is a multiple of 4, 6, and 8 and is between 67 and 113.

Therefore, 96 is the smallest number that is a multiple of 4, 6, and 8 and is between 67 and 113.

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Answer:

EF = 19

Step-by-step explanation:

EF = (23 + 15)/2 = 19

Answer:

30/1 is the answer kdkdkdkddn

Answer:

i

Step-by-step explanation:

Why is i the square root of negative one?

The term "imaginary" is used because there is no real number having a negative square. There are two complex square roots of −1, namely i and −i, just as there are two complex square roots of every real number other than zero, which has one double square root.

Yes, because as x increases, y increases and because all of the pairs represent the same ratio.

When two sets of provided numbers change in proportion, the ratios are said to be directly proportional if they do so in the same direction.

If two ratios or fractions are equivalent, it may be shown using the proportion formula. By dividing the supplied numbers, we may determine the value that is missing. You may write the percentage formula as a: A and d are the extreme terms, and b and c are the middle terms, according to the formula b::c: d = a/b = c/d.

Yes, because as x increases, y increases.

Yes, because all of the pairs represent the same ratio.

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Based on the information in the graph we can infer that the true statement is (0, 0) is the x- and y-intercept of the function.

To identify the true statement we must analyze the graph and read each of the options. Additionally, with the information of each statement we must check if it occurs in the graph to know if they are false or true.

After doing this procedure we can establish that the true conclusion is C. (0, 0) is the x- and y-intercept of the function, since both lines join at this coordinate.

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Answer:

6/5

Step-by-step explanation:

pls brainliest

Answer: 56

Step-by-step explanation:

The experimental probability that the next spin falls in a black region is given as follows:

0.205 = 20.5%.

A probability is calculated as the division of the desired number of outcomes by the total number of outcomes in the context of a problem/experiment.

205 out of the previous 1000 trials fell in the black region, hence the experimental probability is given as follows:

p = 205/1000

p = 0.205.

p = 20.5%.

The problem asks for the experimental probability that the next spin falls in a black region.

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The matching of items and their corresponding descriptions are 1. Domain, 2.Output, 3. Input, 4. Relation, 5. Function, and 6. Range.

1. Domain - the first element of a relation or function; also known as the input value.

3. Input - the x-value of a function.

6. Range - the second element of a relation or function; also known as the output value.

4. Relation - any set of ordered pairs (x, y) that are able to be graphed on a coordinate plane.

2. Output - a relation in which every input value has exactly one output value.

5. Function - the y-value of a function.

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Answer:

Step-by-step explanation:

You have to find 1 number that equals the number you are given when you multiply it by itself.

for example a times a = b

Square root of 144?

12x12=144

We can calculate the square root of a number as follows -

A = √x

In mathematics, a square root of a number x is a number y such that

y² = x.

Given is number and it is asked to find its square root.

Assume the number whose square root is to be found be [x]. Then, we can calculate the square root as -

A = √x

For example -

x = 9

A = √9

A = √(3 x 3)

A = √(3)²

A = 3

Therefore, we can calculate the square root of a number as follows -

A = √x

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Answer:

The cost is $3.50 per rose

Step-by-step explanation:

84/24 = 3.5. 3.5*24 = 84