In the following question, the Total cost to production 50 barstools: $1,200 Total cost to produce 51 barstools: $1,228.91 "Total cost to produce 52 barstools: $1,258.44" Total cost to produce 53 barstools: $1,288.59 Therefore, the approximate total cost of producing 53 barstools is $559.15.
The cost function for producing $x$ items of a certain brand of barstool is given by C(x)=0.01x3-0.6x2+13x+200.
(a) C(x)=0.03x3- 0.12x2+13
(b) MC(50)=-82 dollars per barstool.
It approximately represents the cost of producing the 50th barstool.
(c) The exact cost of producing the 51st barstool is C51=C50+MC(50)=$28.91 dollars.
(d) Using C(50) and MC (50), the total cost of producing 53 barstools is approximately C50+(53-50) MC(50)=$229.82.
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Please help. Get more math
Step-by-step explanation:
since we can officially use only one point (the given point), we need to start with the point-slope form :
y - y1 = m(x - x1)
with m being the slope, (x1, y1) being the point.
sadly, to get the slope, we need a second point anyway, because the slope is the ratio
y coordinate difference / x coordinate difference
when going from one point on the line to another.
I recommend to use (0, 50) for the "other" point, as there seems to be the smallest error in the coordinates.
so, when going from (0, 50) to the given point (6, -40) :
x changes by +6 (from 0 to 6).
y changes by -90 (from 50 to -40).
the slope m = -90/+6 = -15/1 = -15
y - -40 = -15(x - 6) = -15x + 90
y + 40 = -15x + 90
y = -15x + 50
that is the slope-intercept form.
m = -15
b = 50
y = -242
-242 = -15x + 50
-292 = -15x
x = -292/-15 = 292/15 = 19.46666666... ≈ 19
El Sr. Milton Escobar se presenta al banco de los Trabajadores de Tegucigalpa a constituir un depósito a Plazo Fijo #2250 a 6 meses por L100,000. 00 al 10. 5% de interés anual entregando el valor total con cheque #0045 a cargo del mismo banco. Haga la partida de apertura
As the banker at the Banco de los Trabajadores de Tegucigalpa, I greet Mr. Milton Escobar and thank him for choosing our bank for his fixed term deposit. I verify his identification and confirm the details of his deposit, which are:
Fixed Term Deposit number: #2250
Deposit amount: L100,000.00
Deposit term: 6 months
Interest rate: 10.5% per annum
I inform Mr. Escobar that the interest on his deposit will be calculated and credited to his account at the end of the deposit term. I also explain that he can choose to receive the interest in cash or reinvest it in the fixed term deposit.
Next, I ask Mr. Escobar to provide me with a check for the full deposit amount, payable by the Banco de los Trabajadores de Tegucigalpa, and I confirm that the check number is #0045. I inform him that the check will be deposited in his account and that he will receive a deposit confirmation letter.
Finally, I thank Mr. Escobar for his business and remind him to keep his deposit confirmation letter in a safe place, as it is a crucial document that he will need to produce at the time of maturity to withdraw his funds. I assure him that our bank will provide him with the highest quality service and look forward to his continued patronage.
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Translated Question ;
Mr. Milton Escobar appears at the Banco de los Trabajadores de Tegucigalpa to set up a Fixed Term Deposit #2250 for 6 months for L100,000. 00 to 10.5% annual interest, delivering the total amount by check #0045 payable by the same bank. Play the opening game
a man allow 12% discount in a computer having marked price RS 32000. If he make Rs.1160 profit on it , Find the cost price of computer
Answer:
CP of computer = 27000 rs.
Step-by-step explanation:
D% = Dis/MP*100
12*32000/100 = Dis Dis = 3840 rs.We know, Dis = MP-SP
32000 - 3840 = SP28160 = SPGiven Profit= 1160 rs.
SP-CP = 1160CP = 28160-1160 = 27000So,CP = 27000 rs.
Find the numerical values of the following expressions. -3|x|+2x-1 if x=-5
Answer:
Find the numerical values of the following expressions. -3|x|+2x-1 if x=-5
Step-by-step explanation:
Substituting x=-5, we get:
-3|x| + 2x - 1 = -3|-5| + 2(-5) - 1
= -3(5) - 10 - 1
= -15 - 10 - 1
= -26
Therefore, -3|x| + 2x - 1 = -26 when x=-5.
If point is slid(translated) 4 units to the right, what would the new coordinates be (3,-4)
For f (0,1)4 10,1) f(x) is obtained by removing the second bit from x and placing the bit at the end of the string. For example, f(1011) 1110 Select the correct value for f (0101) 0101 1010 0110 0011 Let f: A A and g: A-A be one-to-one functions. Which of the following statements are true? (Check all that apply) f o g is onto f o g is one-to-one f o g is invertible If f, g are also onto, then f o g is invertible. g o f is one-to-one
The given example of f(1011) = 1110 illustrates how a one-to-one function operates, in that the same bitstring is not mapped to multiple elements in the range.
For the given functions f: A -> A and g: A -> A which are one-to-one functions, the following statements are true:
f o g is onto (also known as surjective), meaning that the range of f o g is equal to the codomain of f o g. This means that for any value in the codomain, there is at least one value In the domain that will produce it when operated on by f o g.for such more questions on function operates
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What is a random sample called?
A random sample is called a representative sample.
It is a subset of a larger population that is selected in a way that ensures every individual in the population has an equal chance of being included in the sample. By ensuring randomness in the selection process, a representative sample is more likely to accurately reflect the characteristics and diversity of the larger population.
Representative samples are important in research and statistical analysis because they allow for more generalizable conclusions to be drawn about the population as a whole.
Without a representative sample, research findings may be biased and not applicable to the entire population. Therefore, a representative sample is crucial for ensuring the validity and reliability of research results.
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The measures of include mean and mode. The third of those measures is. Dividing the sum of all data values by the total frequency will give us the. Some data sets may have zero, one, or more than one. If there are 4999 values in a data set, then the will be located at the 2500th value, when those values are put into increasing order. If there are 4999 values in a data set, then the will be found by subtracting the first value from the 4999th value, when those values are put into increasing order. The measures of include variance and range. The third of those measures is. The is found by taking the square root of the. To approximate the variation of the data values from the mean, find the. In the excel function stdev. S, the last s stands for
The measures of central tendency include mean and mode, which include a third measure called median.
The three measures for determining central tendency are mean, median, and mode. The mean, also known as average, is the result of dividing the total number of observations by the number of observations. The mode is the value that occurs the most frequently, whereas the median is the midpoint value in the ordered set of observations.
The average or middle of a dataset can be discovered with the aid of central tendency measures. The most frequent value is the mode. The median is the midpoint of an ordered dataset. Mean: the product of the total number of values and their sum.
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Correct question is:
The measures of _________ include mean and mode. The third of those measures is ________.
Dividing the sum of all data values by the total frequency will give us the_____.
Work out the compass directions that should replace A, B and C.
The compass directions that are given to A, B and C. are East, South-East and North-west respectively.
Explain about the compass directions?North, South, East, and West are the four cardinal directions. The sun's rising and setting serve as a point of reference for these instructions.
The sun seem to rise in the east then set in the west because the Earth revolves from west to east. Moreover, the North and South Poles serve as orientation markers.On the compass rose, the four cardinal directions are, from north (N), east (E), south (S), and west (W), at 90° angles. By slicing the aforementioned in half, the following directions result: northeast (NE), southwest (SW), southeast (SE), and northwest (NW)Thus, the compass directions that are given to A, B and C. are East, South-East and North-west respectively.
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The Turners have purchased a house for $170,000. They made an initial down payment of $34,000 and secured a mortgage with interest charged at a rate of 3.5%/year on the unpaid balance. (Interest computations are made at the end of each month.) Assume that the loan is amortized over 15 years. (Round all answers to the nearest cent.)
(a) What monthly payment will the Turners be required to make?
$
(b) What will be their total interest payment?
$
(c) What will be their equity (disregard depreciation and inflation) after 10 years?
$
(a) The present value of an annuity formula can be used to calculate the monthly payment: Payment is equal to (PV x I / (1 - (1 + i)(-n)).
What monthly payment will the Turners be required to make?Where PV is the loan's present value, I is its monthly interest rate (0.035 / 12), and n is the number of payments (15 years multiplied by 12 months every year = 180 months).
Applying the values provided, we obtain:
(136,000 x 0.002917) / (1 - (1 + 0.002917)(-180)) is the amount to be paid.
Amount paid: $1,054.63
Hence, the installment will be $1,054.63 per month.
What will be their total interest payment?(b) By deducting the loan amount (PV) from the total amount paid over the loan's lifetime, it is possible to get the total interest payment:
Total interest equals PV minus (Payment x n)
Applying the values provided, we obtain:
$1,054.63 multiplied by 180 equals $136,000 in interest.
Interest totaled $88,833.40.
The total interest payment will therefore be $88,833.40.
What will be their equity (disregard depreciation and inflation) after 10 years?(c) The Turners will have paid 120 times over the course of 10 years (10 years x 12 months/year). To determine their equity, we can apply the formula for calculating a loan's remaining balance:
The remaining balance is calculated as follows: PV x (1 + i)n - Payment x (1 + i)n - 1)/i
Where n denotes how many payments are still due (180 - 120 = 60).
Applying the values provided, we obtain:
The remaining balance is calculated as follows: $136,000 x (1 + 0.002917)60 - $1,054.63 x (1 + 0.002917)60 - 0.002917
Balance remaining: $71,587.90
As a result, their equity will be $170,000 (the original purchase price) less $71,587.90 (the outstanding balance) = $98,412.10 after ten years.
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a general principle in the field of tests and measurements is that longer tests tend to be more reliable than shorter ones. in your opinion, is that principle illustrated by the reliability coefficients shown in the table?
This principle is validated by the data shown in the table.
Tests and measurements is an essential aspect of the education process as it enables educators to gauge the level of knowledge and skills their students have acquired. The principle that longer tests tend to be more reliable than shorter ones has some merit because it allows educators to assess a broader range of skills and knowledge, which increases the validity of their assessments.In my opinion, the principle that longer tests tend to be more reliable than shorter ones is illustrated in the reliability coefficients shown in the table. This is because the data shows that the reliability coefficients for longer tests are consistently higher than those for shorter tests. Additionally, the results for the 10-item test indicate a higher reliability coefficient compared to the 5-item test, which supports the notion that longer tests are more reliable than shorter ones.The table displays that the longer tests have higher reliability coefficients compared to the shorter tests. For example, in the 5-item test, the reliability coefficient is .45, while the 10-item test's reliability coefficient is .73. This shows that the 10-item test is more reliable than the 5-item test, as the higher reliability coefficient indicates that the assessment is consistent in measuring the skill or knowledge it is intended to measure. As a result, this principle is validated by the data shown in the table.
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Which situation can be best modeled by a linear function?
A The amount of money in a savings account with an annual interest rate of 1.5%
B) The amount of radioactive material with a decay rate of 3% every day
C) The cost of a laptop that depreciates at the rate of 8% every year
D) The height of the water in a tank when drained at the rate of 0.3 gallons per minute
A The amount of money in a savings account with an annual interest rate of 1.5%
Explain how to use a number line to find the elapsed time from 10:15 A. M. To 10:49 A. M
As per the number line, the elapsed time between 10:15 A.M. and 10:49 A.M. is 1 hour.
Once we have our number line divided into intervals, we can mark the starting time, which is 10:15 A.M., on the number line. We can do this by placing a dot or a small line segment at the appropriate point on the number line.
Next, we can mark the ending time, which is 10:49 A.M., on the number line. We can place a dot or a small line segment at the appropriate point on the number line to represent the ending time.
Finally, we can count the number of intervals between the starting time and the ending time on the number line to determine the elapsed time. In this case, we can count the number of 5-minute intervals between the starting time of 10:15 A.M. and the ending time of 10:49 A.M. There are 12 intervals between these two times, so the elapsed time is 60 minutes, or 1 hour.
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5. {MCC.6.RP.A.3B} How long will it take you to ski a distance of 24 miles at a speed of 6 miles per 30 minutes?
*
1 point
Answer:
2 hours
Hope its right
please help me i really need it
a. the mean is 200.31 cm. b. The height of the new player is 210 cm.
What is mean?The mean, commonly referred to as the average, is a statistic that depicts the usual value of a group of data and measures central tendency. It is calculated by adding up all of the data set's values and dividing the result by the total number of values. Since it offers a single value that summarises the complete set of data, the mean is an effective statistical tool. It may, however, be vulnerable to outliers or extremely high or low values that affect the mean's value. As a result, while examining data, it is crucial to take additional measures of central tendency into account, such as the median or mode.
The mean or average is given as:
mean = (sum of all heights) / (number of players)
The total number of players are:
1 + 3 + 2 + 5 + 2 = 13
Sum of heights is:
(198 x 1) + (199 x 3) + (200 x 2) + (201 x 5) + (202 x 2) = 198 + 597 + 400 + 1005 + 404 = 2604
Thus,
mean = 2604 / 13 = 200.31 cm
b. For the new player the number of players are 14:
201 = (2604 + height of new player) / 14
201 x 14 = 2604 + height of new player
2814 = 2604 + height of new player
height of new player = 2814 - 2604 = 210 cm
Hence, a. the mean is 200.31 cm. b. The height of the new player is 210 cm.
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What will be the exponent of the product of 8.9 x 1012 and 4.7 x 10-2 in Scientific Notation?
the exponent of the product of 8.9 x 10¹² and 4.7 x 10⁻² in scientific notation is 11.
define exponentialExponential refers to a mathematical function or relationship in which a variable (such as x) is raised to a constant power (such as 2, 3, or e) to produce a result. The term "exponential" can also be used more broadly to describe any situation in which something grows or changes at an increasingly rapid rate over time, often with a compounding effect.
First, we multiply the two numbers:
(8.9 x 10¹²) x (4.7 x 10⁻²) = 41.83 x 10¹⁰
41.83 x 10¹⁰ = 4.183 x 10¹¹
Therefore, the exponent of the product of 8.9 x 10¹²and 4.7 x 10⁻² in scientific notation is 11.
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A sum of money deposited at the rate of 4 1/2% p.a. for 48 month yields Rs. 80,000, calculate the deposited amount.
Answer:
Step-by-step explanation:
To solve this problem, we can use the formula for calculating compound interest:
A = P * (1 + r/n)^(n*t)
where:
A = the final amount
P = the principal (initial amount of money)
r = the annual interest rate (as a decimal)
n = the number of times interest is compounded per year
t = the time (in years)
In this problem, we know that the interest rate is 4.5% per year, or 0.045 as a decimal. The money is deposited for 48 months, or 4 years.
Let's assume that the principal deposited is P. Then we can use the formula to calculate the final amount:
A = P * (1 + r/n)^(nt)
80,000 = P * (1 + 0.045/12)^(124)
Simplifying the equation, we get:
80,000 = P * (1.00375)^48
80,000 = P * 1.21169
Dividing both sides by 1.21169, we get:
P = 80,000 / 1.21169
P = 66,000
Therefore, the initial amount deposited by the person was Rs. 66,000.
Which is the best estimate of the sum of 5 1/4 and 8 5/6
Answer:
Step-by-step explanation:
ur mom
Liam has 62 dollars.he saves an equal amount of money each week for 6 weeks. now he was 110 dollars . how much money did Liam save each week?
Answer: $8
Step-by-step explanation:
To find how much he saved over the course of 6 weeks, subtract 62 from 110.
110 - 62 = 48
To find how much he saved each week, divide 48 by 6.
48 ÷ 6 = 8
Liam saved $8 each week.
Aaron sampled 101 students and calculated an average of 6.5 hours of sleep each night with a standard deviation of 2.14. Using a 96% confidence level, he also found that t* = 2.081.confidence intervat = x±s/√n A 96% confidence interval calculates that the average number of hours of sleep for working college students is between __________.
The average number of hours of sleep for working college students is between 6.28 and 6.72 hours of sleep each night
According to the given data,
Sample size n = 101
Sample mean x = 6.5
Standard deviation s = 2.14
Level of confidence C = 96%
Using a 96% confidence level, the value of t* for 100 degrees of freedom is 2.081, as given in the question.
Now, the formula for the confidence interval is:x ± (t* × s/√n)Here, x = 6.5, s = 2.14, n = 101, and t* = 2.081
Substituting the values in the above formula, we get:
Lower limit = x - (t* × s/√n) = 6.5 - (2.081 × 2.14/√101) = 6.28
Upper limit = x + (t* × s/√n) = 6.5 + (2.081 × 2.14/√101) = 6.72
Therefore, the 96% confidence interval for the average number of hours of sleep for working college students is between 6.28 and 6.72 hours of sleep each night.
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Round the answer to the nearest hundredth
Using trigonometric functions, the value of the side AC = 2.85 units.
What are trigonometric functions?The right triangle's angle serves as the domain input value for the six fundamental trigonometric operations, and the output is a range of numbers.
The angle, given in degrees or radians, is the domain of the trigonometric function, sometimes referred to as the "trig function," of f(x) = sin, and the range is [-1, 1]. The other functions have a similar domain and scope. Trigonometric functions are widely used in algebra, geometry, and calculus.
Now in the given figure,
The angle is a right-angled triangle.
Now as per the trigonometric functions,
Sin 35° = AC/AB
⇒ 0.57 = x/5
⇒ x = 0.57 × 5
= 2.85.
The length of the opposite side AC is 2.85 units.
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How is multiplying by a fraction ( 1/2x 1/4 ) and dividing by a whole number ( 1/2÷ 4) related?
Answer:
same
Step-by-step explanation:
They are the same since
1/2÷4=1/2×1/4(reciprocal)
Answer:
dfgdfvdfvthtybg f cv v
Step-by-step explanation:
use the ka values for weak acids to identify the best components for preparing buffer solutions with the given ph values. name formula ka phosphoric acid h3po4 7.5 x 10-3 acetic acid ch3cooh 1.8 x 10-5 formic acid hcooh 1.8 x 10-4
To prepare a buffer solution with a given pH, we need to choose a weak acid and its conjugate base, such that the pKa of the weak acid is close to the desired pH.
The pKa is related to the Ka value as follows:
pKa = -log(Ka)
So, for each of the weak acids given, we can calculate the pKa:
Phosphoric acid (H3PO4): Ka = 7.5 x 10^-3, so pKa = -log(7.5 x 10^-3) = 2.12
Acetic acid (CH3COOH): Ka = 1.8 x 10^-5, so pKa = -log(1.8 x 10^-5) = 4.74
Formic acid (HCOOH): Ka = 1.8 x 10^-4, so pKa = -log(1.8 x 10^-4) = 3.74
Now, let's consider the desired pH values and choose the best components for buffer solutions:
For a pH of 2.5, the best choice would be phosphoric acid (pKa = 2.12).
For a pH of 4.5, the best choice would be formic acid (pKa = 3.74) or a mixture of acetic acid and acetate ion (CH3COOH/CH3COO-, pKa = 4.76).
For a pH of 6.5, the best choice would be a mixture of acetic acid and acetate ion (CH3COOH/CH3COO-, pKa = 4.76).
Note that a buffer solution can be prepared by mixing a weak acid and its conjugate base in roughly equal amounts, so the appropriate salt can be added to the acid to form the buffer solution. For example, to prepare an acetate buffer, one could mix acetic acid with sodium acetate.
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$5,000 was invested at 4.5% interest compounded continuously. How many years will
it take the investment to grow to $7,840? Round your answer to the nearest whole
year.
Answer:
The continuous compounding formula is:
A = Pe^(rt)
where A is the amount after t years, P is the initial principal, r is the annual interest rate as a decimal, and e is Euler's number (approximately 2.71828).
We are given that P = $5,000, r = 0.045, and A = $7,840. We want to find t, the number of years.
We can solve for t by isolating it on one side of the equation:
A = Pe^(rt)
A/P = e^(rt)
ln(A/P) = rt
t = ln(A/P) / r
Substituting in the values we have:
t = ln(7840/5000) / 0.045
t ≈ 11
So it will take about 11 years for the investment to grow to $7,840
Five cars start out on a cross-country race. The probability that a car breaks down and drops out of the race is 0.2. Cars break down independently of each other.
(a) What is the probability that exactly two cars finish the race?
(b) What is the probability that at most two cars finish the race?
(c) What is the probability that at least three cars finish the race?
(a) The probability that exactly two cars finish the race is 0.0512.
(b) The probability that at most two cars finish the race is 0.05792.
(c) The probability that at least three cars finish the race is 0.94208.
(a) To determine the probability that exactly two cars finish the race, we have to use binomial distribution. In this case, we have n = 5 trials, and p = 0.8 is the probability that a car finishes the race (1 - 0.2). Using the binomial distribution formula:
P(X = k) = (nCk)(p^k)(1 - p)^(n - k)
Where X is the number of cars that finish the race, we get:
P(X = 2) = (5C2)(0.8²)(0.2)³= (10)(0.64)(0.008)= 0.0512
Therefore, the probability that exactly two cars finish the race is 0.0512.
(b) To determine the probability that at most two cars finish the race, we have to calculate the probabilities of 0, 1, and 2 cars finishing the race and add them up.
P(X ≤ 2) = P(X = 0) + P(X = 1) + P(X = 2)= (5C0)(0.8⁰)(0.2)⁵ + (5C1)(0.8¹)(0.2)⁴ + (5C2)(0.8²)(0.2)³= 0.00032 + 0.0064 + 0.0512= 0.05792
Therefore, the probability that at most two cars finish the race is 0.05792.
(c) To determine the probability that at least three cars finish the race, we can calculate the probability of 0, 1, and 2 cars finishing the race and subtract it from 1, which gives us the probability of at least three cars finishing the race.
P(X ≥ 3) = 1 - [P(X = 0) + P(X = 1) + P(X = 2)]= 1 - (0.00032 + 0.0064 + 0.0512)= 0.94208
Therefore, the probability that at least three cars finish the race is 0.94208.
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Masons backyard deck is rectangular. The width is 12 feet less than the length. The perimeter is 64 feet. What is the length?
As Masons backyard deck is rectangular, the length of the deck is 22 feet.
Let's start by using algebra to solve for the length of the rectangular deck.
Let L be the length of the deck.
Then, the width of the deck is L - 12.
The perimeter is the sum of all four sides, so we have:
Perimeter = 2L + 2(L - 12) = 64
Simplifying the equation, we get:
2L + 2L - 24 = 64
Combining like terms, we get:
4L - 24 = 64
Adding 24 to both sides, we get:
4L = 88
Dividing both sides by 4, we get:
L = 22
Therefore, the length of the deck is 22 feet.
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please help
there are 2 possible answers
Let x be the number of boys in a class and y be the number of girls. Which equation represents 2 boys for
every 5 girls? Select all that apply.
A. x=2y-5
B. x=5y-2
C. 5x=2y
D. x=2 1/2y
E. x=2/5y
Answer:
C, E
Step-by-step explanation:
You want the equations that represent 2 boys for every 5 girls in a class.
RatioThe number of boys is represented by x, and the number of girls is represented by y, so you have ...
x : y = 2 : 5
As fractions, this is ...
x/y = 2/5
Other representationsMultiplying by 5y gives ...
5x = 2y . . . . . . matches equation C
Dividing by 5, we have ...
x = 2/5y . . . . . . matches equation E
Question below pls help:
the national center for heatlh has found that there is a 0.41% chance that an american citizen will die from falling. what is the probability that you will not die from a fall?
If the probability an American will die from falling is 0.41%, the probability a American will not die from falling is 100% - 0.41% = 99.59%.
Answer: 99.59%.
a restaurant bill before tax is 15.50 how much is 15% tip for this bill
Answer:
$2.235
Step-by-step explanation:
15% = 0.15
We Take
15.50 x 0.15 = $2.235
So, the tip for this bill is $2.235