The volume of the prism is 78 cubic feet.The volume of a prism is given by the formula V = Bh, where B is the area of the base and h is the height of the prism.
In this case, the base of the prism is a right triangle with legs measuring 3 feet and 4 feet, so its area is (1/2)(3)(4) = 6 square feet. The height of the prism is 13 feet. Therefore, the volume of the prism is V = Bh = (6)(13) = 78 cubic feet.To understand this calculation, think of the prism as a stack of identical, parallel cross sections. Each cross section is a copy of the base, with an area of 6 square feet.
The height of each cross section is the same, and equal to the height of the prism, which is 13 feet. To find the total volume of the prism, we add up the volumes of all these cross sections, which is equal to the area of the base times the height of the prism.
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you select a marble without looking and then put it back if you do this 90 times what is the best predictions that you will pick an orange or a pink marble?
If you select a marble without looking and then put it back if you do this 90 times, the probability of selecting an orange or a pink marble on any given trial is 1/2 or 0.5.
If you select a marble without looking and then put it back, the probability of selecting any particular marble on any given trial is the same for all marbles. Assuming there are only two possible outcomes - selecting an orange marble or a pink marble - the probability of selecting an orange or a pink marble on any given trial is 1/2 or 0.5.
Since the probability of selecting an orange or a pink marble on each trial is the same, the best prediction for the number of times you will select an orange or a pink marble out of 90 trials is an equal number of times for each color. Therefore, the best prediction for the number of times you will select an orange or a pink marble is 45 times each.
This is only a prediction based on probability, and the actual number of times you select an orange or a pink marble may differ from the prediction due to chance. However, over a large number of trials, the actual outcomes should approach the predicted probabilities.
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Help pls I need help with sand and a word with my
Answer: X= 4/5x + 8
Step-by-step explanation: Distribution factor
Forests are complex, evolving ecosystems. For
instance, pioneer tree species can be displaced by successional species better adapted
to the changing environment. Ecologists mapped a large Canadian forest plot
dominated by Douglas fir with an understory of western hemlock and western red cedar.
Sapling trees (young trees shorter than 1.3 meters) are indicative of the future of a
forest. The 246 sapling trees recorded in this sample forest plot were of the following
types:
Are there equal proportions of RC, DF, and WH among sapling trees in this forest?
1. State your null and alternative hypothesis. (10 points)
2. Report appropriate test statistics and p-value. (20 points)
3. With alpha=0.05, state your conclusion. (10 points)
4. Investigate components of your test statistics. What does your analysis suggest
about this forest’s successional stage? (10 points)
P(Dead l WH) = 0.23/0.48 = 0.4792
Here the western red cedar is relatively young.
How to solve(a) P(Dead l RC) = 0.02/0.20 = 0.10
P(Dead l DF) = 0.16/0.32 = 0.50
P(Dead l WH) = 0.23/0.48 = 0.4792
Here the western red cedar is relatively young.
(b) P(sapling l RC) = 0.08/0.20 = 0.4
P(sapling l DF) = 0.00/0.32 = 0
P(sapling l WH) = 0.04/0.48 = 0.08333
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Identify if the proportion is true or false12:4=9:3
Llus
Find x.
Round to the nearest tenth:
31°
х
y
400 ft
x = [? ]ft
Pls help me
Using the sine function and the given information, we can find that length of y is approximately 203.3 feet.
We know that exterior angle of a triangle is equal to the sum of its opposite interior angles. So, we can find angle BAC as follows
BAC + ABC = 180 degrees
As sum of interior angles of a triangle
BAC + 90 = 180
BAC = 90 degrees
Now, we can use the sine ratio to find y
sin(31) = y/400
y = 400 * sin(31)
y ≈ 203.3 ft
Therefore, y is approximately 203.3 ft when rounded to the nearest tenth.
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--The given question is incomplete, the complete question is given
" Find y. Round to the nearest tenth:
In triangle ABC, 31° is the outer angle at A which is in between a line extended from A parallel to BC.
X is CA
у is AB
400 ft is BC
Angle B is right angle
y = [ ? ]ft Enter"--
The school swim team swam a combined distance of 346. 725 meters during swim practice. Using number names, how would you say 346. 725? (6. NBT. 3_a. ) *
The number name of 346. 725 is three hundred forty-six point seven two five.
A number name refers to the name that is used to describe the number in words. This is helpful in communicating it orally.
To convert the given number to word form, we do as follows:
1. We check the digits of the number before decimals
In this case, the number of digits in the question is 3
2. The highest place value is then checked.
It comes out to be hundreds
3. We name it accordingly and add a suffix to the face value
This is 3 and the name comes out to be Three hundred
4. We continue it till we encounter the decimal
We get the number as Three hundred forty-six
5. Then we mention the word decimal or point
The result is Three hundred forty-six point
6. The number after the decimal is written as it is
Hence, the name comes out to be Three hundred forty-six point seven two five.
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Someone please help with this i need it really fast
Answer:
67. 50
Step-by-step explanation:
15x4.50= 67.5
Which expression are equivalent to the given expression?
By the rule of indices the given expression is equivalent to x⁻² y⁻⁵.(option B)
What is index?
In mathematics, Index in plural indices is the power or exponent which is raised to a number or a variable. For example, for the number 2⁵, 5 is the index of 2. Which gives the value 32.
Given expression is y⁻⁸ y³ x⁰ x⁻²
Here we use the law of indices.
By the law of indices it can be stated that the indices at the time of multiplication is being added up. That is zᵃ × zᵇ = zᵃ⁺ᵇ.
Using this concept of indices the given expression can be rewritten as
y⁻⁸⁺³ x⁰⁻²
= y ⁻⁵ x⁻²
= x⁻² y⁻⁵
Hence, the given expression is equivalent to x⁻² y⁻⁵.
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An electrical charge of 0. 000003 coulombs is 0. 06 m away from another electrical charge of 0. 0000009 coulombs. Solve this equation
The force between the two charges is 1.69 x[tex]10^-^1^5[/tex] N
How to find the equation?The force between two electric charges can be calculated using Coulomb's law, which states that the force is directly proportional to the product of the charges and inversely proportional to the square of the distance between them. Mathematically, it can be expressed as:
F = k * (q1 * q2) / d²
where F is the force, k is Coulomb's constant (9 x 10⁹ N m² / C²), q1 and q2 are the magnitudes of the two charges, and d is the distance between them.
Substituting the given values, we get:
F = (9 x [tex]10^9[/tex] N m² / C²) * (0.000003 C) * (0.0000009 C) / (0.06 m)²
Simplifying this expression gives:
F = 1.69 x[tex]10^-^1^5[/tex] N
Therefore, the force between the two charges is 1.69 x [tex]10^-^1^5[/tex] N.
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A newspaper for a large city launches a new advertising campaign focusing on the number of digital subscriptions. the equation s(t)=31,500(1.034)t approximates the number of digital subscriptions s as a function of t months after the launch of the advertising campaign. determine the statements that interpret the parameters of the function s(t).
"t" increases, and the number of digital subscriptions grows exponentially at a rate of 3.4% per month.
How to determine the statements that interpret the parameters of the function s(t).The function s(t) = 31,500(1.034)^t gives an approximation of the number of digital subscriptions s as a function of t months after the launch of the advertising campaign.
The parameters of the function s(t) are:
31,500: This is the initial number of digital subscriptions at t = 0, when the advertising campaign is launched.
1.034: This is the growth rate of the number of digital subscriptions per month. It represents the percentage increase in the number of subscriptions each month due to the advertising campaign. Specifically, each month the number of subscriptions is multiplied by 1.034, which is the same as increasing it by 3.4%.
t: This is the time in months after the launch of the advertising campaign. It is the independent variable of the function that determines the number of digital subscriptions at any given time t.
Statements interpreting the parameters of the function s(t) are:
The initial number of digital subscriptions at t = 0 is 31,500.
For every month after the launch of the advertising campaign, the number of digital subscriptions increases by 3.4%, or a factor of 1.034.
The parameter t represents the time in months after the launch of the advertising campaign. As t increases, the number of digital subscriptions grows exponentially at a rate of 3.4% per month.
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ANSWER ASAP PLEASE
The band club has $2,100 to spend on music stands and songs. Each music stand costs $15 and each song costs $350. Let x represent the number of music stands and let y represent the number of songs.
Part A
Write an equation that describes the number of music stands and songs the band club can buy.
x +
y =
Part B
What is the greatest number of each item that the club can buy?
greatest number of music stands =
greatest number of songs =
Part A: The equation that describes the amount of music stands and songs that the band club can purchase is 15x + 350y = 2100.
Part B: The greatest number of music stands the club can buy is 6, and the greatest number of songs the club can buy is 3.
Part A:
The cost of x music stands is 15x dollars, and the cost of y songs is 350y dollars. The total cost cannot exceed $2,100, so we can write the following equation:
15x + 350y = 2100
Therefore, the equation that describes the amount of music stands and songs that the band club can purchase is 15x + 350y = 2100.
Part B:
To find the greatest number of each item the club can buy, we can use the given equation and look for integer solutions for x and y that satisfy the equation.
We can rearrange the equation to solve for y:
y = (2100 - 15x) / 350
To get integer solutions for y, we need 2100 - 15x to be divisible by 350. The largest multiple of 350 that is less than or equal to 2100 is 6*350 = 2100. So, we can try x = 0, 1, 2, 3, ..., 6 and see which values give integer solutions for y.
When x = 0, y = 6, which is an integer solution.
When x = 1, y = 5, which is not an integer solution.
When x = 2, y = 4, which is not an integer solution.
When x = 3, y = 3, which is an integer solution.
When x = 4, y = 2, which is not an integer solution.
When x = 5, y = 1, which is not an integer solution.
When x = 6, y = 0, which is an integer solution.
So, the greatest number of music stands the club can buy is 6, and the greatest number of songs the club can buy is 3.
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What is the median of the lower half of data
We can see here that in order to find the median of the lower half of data, one will have to sort out the data in an ascending order. Then take the lower half of the data (i.e., the first half of the sorted data) and find its median.
What is median?The median, which is used to measure central tendency in statistics, is the point at which a dataset may be divided into two equal parts. If a dataset has an even number of values, it is the average of the two middle values or the middle value in a sorted dataset.
The values in the dataset must first be arranged from lowest to highest in order to determine the median. The median is the middle value if the dataset has an odd number of values.
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The population of a certain bacteria is known to double every 10 hours. Assuming exponential growth, determine the time that it would take for the bacteria to triple in number
It would take approximately 20 hours for the bacteria to triple in number.
Given that the bacteria population doubles every 10 hours, we can use exponential growth to determine the time it would take for the population to triple.
Let's represent the initial population as P0 and the time it takes for the population to triple as t.
Using the concept of exponential growth, we can express the population at time t as P(t) = P0 * 2^(t/10).
Since we want the population to triple, we set P(t) = 3 * P0:
3 * P0 = P0 * 2^(t/10).
We can cancel out P0 from both sides of the equation:
3 = 2^(t/10).
To solve for t, we can take the logarithm of both sides. Using the base-2 logarithm (log2) gives us:
log2(3) = t/10.
Using a calculator, we find that log2(3) is approximately 1.585.
Now, we can solve for t:
1.585 = t/10.
Multiplying both sides of the equation by 10 gives us:
15.85 = t.
Rounding to the nearest hour, the time it would take for the bacteria population to triple is approximately 16 hours.
Therefore, the bacteria population would take approximately 20 hours to triple in number.
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The monthly demand function for x units of a product sold by a monopoly is p = 5,300 - dollars, and its average cost is C = 3,010 + 2x dollars. Production is limited to 100 units. Find the revenue function!
To find the revenue function, we need to multiply the price (p) by the quantity sold (x). The price function given is p = 5,300 - dollars, so we can substitute this into our revenue function as follows:
Revenue = p * x
Revenue = (5,300 - dollars) * x
We also know that production is limited to 100 units, so we need to take that into account when determining the revenue function. If x is greater than 100, then the revenue will be limited to 100 units sold. If x is less than or equal to 100, then the revenue will be based on the actual quantity sold.
To incorporate this constraint into our revenue function, we can use a piecewise function:
Revenue = { (5,300 - dollars) * 100 if x > 100
(5,300 - dollars) * x if x <= 100 }
Simplifying the piecewise function, we get:
Revenue = { 530,000 - (dollars * 100) if x > 100
(5,300 - dollars) * x if x <= 100 }
Therefore, the revenue function for this monopoly is:
Revenue = { 530,000 - 100 * dollars if x > 100
(5,300 - dollars) * x if x <= 100 }
Hi! To find the revenue function, we first need to determine the total revenue, which is the product of the price per unit (p) and the number of units sold (x). Given the demand function p = 5,300 - x dollars and the average cost function C = 3,010 + 2x dollars, we can find the revenue function as follows:
Revenue function, R(x) = p * x
R(x) = (5,300 - x) * x
By simplifying the equation, we get:
R(x) = 5,300x - x^2
So, the revenue function for this monopoly is R(x) = 5,300x - x^2.
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you purchase a computer for 875 plus 5% sales tax. you decide to finance it through the stores 0% program for 12 months. the terms state that you must pay
The amount of interest paid for missing the payment in the eight month would be C. $87.28
How to find the interest ?First, find the total cost of the computer including the sales price :
= 875 x ( 1 + 0. 05 )
= 875 x 1. 05
= $ 918. 75
Then, find the monthly rate of interest :
= 14. 25 / 12
= 1. 1875 %
This leads to an eight month interest rate of :
= 8 x 1. 1875 %
= 9. 5 %
The interest to be paid:
= 9. 5 % x 918. 75
= $ 87. 28
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Full question is:
You purchase a computer for $875.00 plus 5% sales tax. You decide to finance it through the store's 0% program for 12 months. The terms state that you must pay $100.00/month and that if you miss a payment, you will be assessed a late fee of $39.00 plus the interest accrued to that point at a 14.25% APR. If you miss a payment in the eighth month, how much interest will you be charged?. A. $83.13. B. $16.63. C. $87.28. D. 58.19
a certain company has 400 shoes. 20% of the shoes are black, One shoe is chosen and replaced. Then the second shoe is chosen. What is the probability that the shoes chosen are black
Answer: 80
Step-by-step explanation: The question is tell us that a certain company we don't know which one, but it says a certain company has 400 shoes. that is important to note. also 20% of the shoes are black. and One shoe is chosen and replaced. Then the second shoe is chosen. The question is What is the probability that the shoes chosen are black?
Well, take 400 and mutipy it by 20% which changes to 0.20 in decimal form then mutiply your answer by one and you get 80. so the answer is the probability that shoes chosen are black is 80%.
Want is the measure of
Mohal is a waiter at a restaurant. Each day he works, Mohal will make a guaranteed wage of $25, however the additional amount that Mohal earns from tips depends on the number of tables he waits on that day. From past experience, Mohal noticed that he will get about $15 in tips for each table he waits on. How much would Mohal expect to earn in a day on which he waits on 16 tables? How much would Mohal expect to make in a day when waiting on
�
t tables?
Answer:
If Mohal waits on 16 tables, he can expect to earn $25 wages + ($15 tips x 16 tables) = $265 in a day.
If Mohal waits on 1 table, he can expect to earn $25 wages + ($15 tips x 1 table) = $40 in a day.
Use the appropriate compound interest formula to find the amount that will be in each account, given the stated coins, $47.000 invested at 5% annual interest for 5 years compounded (a) annually: (b) semiannually
a)The amount in the account after 5 years, compounded annually, will be approximately $60,625.06.
b) The amount in the account after 5 years, compounded semiannually, will be approximately $61,588.88.
The amount in the account after 5 years can be calculated using the compound interest formula. For an initial investment of $47,000 at an annual interest rate of 5%, compounded annually or semiannually, the amount in the account will be different.
(a) For compounding annually:
The compound interest formula is given by:
A = P(1 + r/n)^(nt)
where:
A = the amount after time t
P = principal amount (initial investment) = $47,000
r = annual interest rate = 5% or 0.05 (as a decimal)
n = number of times interest is compounded per year = 1 (since it is compounded annually)
t = time period = 5 years
Plugging in the given values, we get:
A = 47000(1 + 0.05/1)^(1*5)
A = 47000(1.05)^5
A ≈ $60,625.06
So, the amount in the account after 5 years, compounded annually, will be approximately $60,625.06.
(b) For compounding semiannually:
The only difference from the above calculation is the value of 'n', which is the number of times interest is compounded per year. In this case, 'n' will be 2, as interest is compounded semiannually (twice a year).
Plugging in the given values, we get:
A = 47000(1 + 0.05/2)^(2*5)
A = 47000(1.025)^10
A ≈ $61,588.88
So, the amount in the account after 5 years, compounded semiannually, will be approximately $61,588.88.
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John was visiting four cities that form a rectangle on a coordinate grid at A(O.
4), B(4,1). C(3. 1) and D(-1. 2). If he visited all the cities in order and ended up
where he started. What is the distance he traveled? Round your answer to the
nearest tenth
If he visited all the cities in order A(O,4), B(4,1). C(3. 1) and D(-1. 2). then he traveled 12.3 units distance ( nearest tenth).
John visited four cities that form a rectangle on a coordinate grid at A(0, 4), B(4, 1), C(3, 1), and D(-1, 2). If he visited all the cities in order and ended up where he started, the distance he traveled can be found by calculating the perimeter of the rectangle.
Calculate the distance between consecutive points.
AB = √[(4-0)^2 + (1-4)^2] = √[16 + 9] = √25 = 5
BC = √[(3-4)^2 + (1-1)^2] = √[1 + 0] = √1 = 1
CD = √[(-1-3)^2 + (2-1)^2] = √[16 + 1] = √17 ≈ 4.1 (rounded to nearest tenth)
DA = √[(0-(-1))^2 + (4-2)^2] = √[1 + 4] = √5 ≈ 2.2 (rounded to nearest tenth)
Calculate the total distance traveled (perimeter of the rectangle).
Total Distance = AB + BC + CD + DA = 5 + 1 + 4.1 + 2.2 = 12.3
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Write the absolute value inequality in form |x-b| c that has the solution set x<-5 or x>7
The absolute value inequality in form |x-b| < c that has the solution set x<-5 or x>7 is |x-1| < 7
To write an absolute value inequality in the form |x-b| < c, we need to think about what this form means.
The expression |x-b| represents the distance between x and b on the number line. Therefore, |x-b| < c means that the distance between x and b is less than c.
Now, let's consider the given solution set: x < -5 or x > 7. We can see that the midpoint between -5 and 7 is 1, so we choose b = 1. Then, we need to determine c, which is the maximum distance between b and any of the solutions.
If we take x = -6 (which is less than -5), then |x-b| = |-6-1| = 7. Similarly, if we take x = 8 (which is greater than 7), then |x-b| = |8-1| = 7. Therefore, the maximum distance is 7.
Putting it all together, we get the absolute value inequality:
|x-1| < 7
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The attendance for a week at a local theatre is normally distributed, with a mean of 4000 and a standard
deviation of 500. Draw the normal curve to represent the normally distributed attendance for the week.
What percentage of the attendance figures would be less than 3500? What percentage of the attendance
figures would be greater than
5000? What percentage of the attendance figures would be between 3700
and 4300 each week?
About 15.87% of the attendance figures would be less than 3500.
About 0.62% of the attendance figures would be greater than 5000.
About 34.13% of the attendance figures would be between 3700 and 4300 each week.
The mean is the average of a set of numbers, while the standard deviation measures the spread of the data around the mean. The normal distribution is fully characterized by its mean and standard deviation. In this case, the mean attendance is 4000, and the standard deviation is 500.
To answer the first question, "What percentage of the attendance figures would be less than 3500?" we need to calculate the area under the curve to the left of 3500. We can use a standard normal distribution table or a calculator to find this area. The result is approximately 15.87%.
To answer the second question, "What percentage of the attendance figures would be greater than 5000?" we need to calculate the area under the curve to the right of 5000. Again, we can use a standard normal distribution table or a calculator to find this area. The result is approximately 0.62%.
To answer the third question, "What percentage of the attendance figures would be between 3700 and 4300 each week?" we need to calculate the area under the curve between 3700 and 4300. We can use a standard normal distribution table or a calculator to find this area. The result is approximately 34.13%.
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An exponential function is given by the equation y=3x. Using the points x and x+1, show that the y-values increase by a factor of 3 between any two points separated by x2−x1=1. (4 points)
The given exponential function satisfies the property of increasing by a factor of 3 between any two points separated by x2−x1=1.
An exponential function is a mathematical function of the form f(x) = a^x, where a is a positive constant and x is any real number. The base a is typically a number greater than 1, and the function grows or decays rapidly depending on whether a is greater than or less than 1.
Exponential functions are commonly used to model processes that exhibit exponential growth or decay, such as population growth, radioactive decay, and compound interest. They also arise in various areas of mathematics and science, including calculus, probability theory, and physics.
We are given the exponential function [tex]y=3^x.[/tex]
Let x1 be any value of x, then the corresponding y-value is [tex]y1=3^{(x_1)[/tex]
Let x2=x1+1 be the next value of x, then the corresponding y-value is [tex]y2=3^x2=3^(x1+1)=3*3^x1.[/tex]
So, we can see that y2 is 3 times y1, which means the y-values increase by a factor of 3 between any two points separated by x2−x1=1.
Therefore, the given exponential function satisfies the property of increasing by a factor of 3 between any two points separated by x2−x1=1.
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Rebecca folded a piece of notebook paper, as shown below. What is the area of the folded piece of notebook paper?
The area of the folded piece of paper is 30 inches square
How to find the area of a trapezium?The paper is folded in the shape of a trapezium. The area of the trapezium can be found as follows:
area of the trapezium = 1 / 2 (a + b)h
where
a = top lengthb = base lengthh = height of the trapeziumTherefore,
a = 4 inches
b = 4 + 2 + 2 = 8 inches
h = 5 inches
area of the trapezium = 1 / 2 (4 + 8)5
area of the trapezium = 1 / 2 (12)5
area of the trapezium = 60 / 2
area of the trapezium = 30 inches square
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What is the domain of the rational function f of x is equal to the quantity x squared plus x minus 6 end quantity over the quantity x cubed minus 3 times x squared minus 16 times x plus 48 end quantity question mark {x ∈ ℝ| x ≠ –4, –2, 3, 4} {x ∈ ℝ| x ≠ –4, 3, 4} {x ∈ ℝ| x ≠ –4, 4} {x ∈ ℝ| x ≠ –2, 3}
The domain of the rational function is: option (2) {x ∈ ℝ | x ≠ -4, 3, 4}
What is Rational number ?A rational number is any number that can be expressed as the ratio or fraction of two integers, where the denominator is not zero. In other words, a rational number is a number that can be written in the form of p/q, where p and q are integers, and q is not equal to zero.
The domain of a rational function is the set of all real numbers for which the function is defined, and the denominator is not equal to zero. So, we need to find the values of x for which the denominator of the given rational function is not zero.
The denominator of the given rational function is:
x³ - 3x² - 16x + 48
We can factor this polynomial using synthetic division or polynomial long division:
x³- 3x² - 16x + 48 = (x - 4)(x - 3)(x + 4)
So, the denominator of the rational function is not defined when:
x - 4 = 0 or x - 3 = 0 or x + 4 = 0
Solving these equations, we get:
x = 4 or x = 3 or x = -4
Therefore, the domain of the given rational function is:
{x ∈ ℝ| x ≠ –4, 3, 4}
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please help this is my chapter 7 practice test
Answer:
90
Step-by-step explanation:
At a ski resort, there is a 30% chance of snow for each of the next four days. What is the probability that it snows 0 days? 1 day? 2 days? 3 days? 4 days? How many snowy days should a skier expect during this time period?
The probability would be 7/12.
Here, we have,
Consider A is the event that there is snowing in first three days and B is the event that there is snowing in next four days.
According to the question,
P(A) = 1/3
P(B)= 1/4
Thus, the probability that it snows at least once during the first week of January
= snow in first three days or snow in next four days
= P(A∪B)
=P(A) + P(B) - P(A∩B)
( ∵ A and B are independent ⇒P(A∩B) = 0 )
=1/3 + 1/4
=7/12
Hence, The probability would be 7/12.
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In ΔGHI, h = 9. 6 cm, g = 9. 3 cm and ∠G=109°. Find all possible values of ∠H, to the nearest 10th of a degree
The two possible values for angle H in triangle GHI are approximately 93.1 degrees and 273.1 degrees, rounded to the nearest tenth of a degree
How to find possible angle in GHI triangle?To find the possible values of angle H in triangle GHI, we can use the law of cosines.
Let's label angle H as x. Then, we can use the law of cosines to solve for x:
cos(x) = (9.3² + 9.6² - 2(9.3)(9.6)cos(109))/ (2 * 9.3 * 9.6)
Simplifying this equation, we get:
cos(x) = -0.0588
To solve for x, we can take the inverse cosine of both sides:
x = cos⁻ ¹ (-0.0588)
Using a calculator, we can find that x is approximately 93.1 degrees.
However, there is another possible value for angle H. Since cosine is negative in the second and third quadrants,
We can add 180 degrees to our previous result to find the second possible value for angle H:
x = 93.1 + 180 = 273.1 degrees
So the two possible values for angle H are approximately 93.1 degrees and 273.1 degrees, rounded to the nearest tenth of a degree.
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a group conducting a survey randomly selects adults in a certain region. of the 2,500 adults selected, 1,684 are men.
assuming that men and women have an equal chance of being selected the probability of the adults being chosen this way
by chance is less than 0.01. interpret the results of this calculation
The probability of the adults being chosen this way by chance is less than 0.01 interprets that group is more likely to choose men over women
A group conducting a survey randomly selects adults in a certain region. Of the 2,500 adults selected, 1,684 are men. The men and women have an equal chance The result of the survey is significant at the 0.01 level which means that the probability of group selection being the result of chance is 0.01 or less because the event is least likely to happen the group is more likely to select men over women.
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Each day three church bells are rung in a random order. what is the probability that the smallest bell rings first three days in a row?
The probability that the smallest bell rings the first three days in a row is 1/27. when Each day three church bells are rung in a random order
In the given data there are 3 bells in the church in which there is a small bell and the three bells are rung in a random order. we need to find the probability that the smallest bell rings the first three days in a row.
The probability that the smallest bell rings on any given first day can be given as = 1/3
Because there are three bells and each bell has an equal chance of being rung first. The probability that this happens three days in a row is given as
= (1/3) × (1/3) × (1/3)
= 1/27
Therefore, the probability that the smallest bell rings the first three days in a row is 1/27
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