Answer:
Step-by-step explanation:
x + 6 I x³ + 2x² - 10x + 84 I x² - 4x + 14
x³ + 6x²
- -
-4x² - 10x
-4x² - 24x
+ +
14x + 84
14x + 84
- -
0
P(x) =(x +6)* ( x² - 4x + 14) + 0
(3, 4, 5, ...} is finite or infinite
The given set is (3, 4, 5, ...} is infinite set.
A set with an infinite number of elements is one that cannot be numbered. A set that has no last element is said to be endless. A set that can be put into a one-to-one correspondence with a suitable subset of itself is said to be infinite. No issue with the in-class assignment.
The stars in the clear night sky, water droplets, and the billions of cells in the human body are just a few examples of endless sets of objects that surround us. A set of natural numbers, however, serves as the best illustration of an infinite set in mathematics. There is no limit to the amount of natural numbers.
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Given the definitions of f(x) and g(x) below, find the value of (fog)(-3).
f(x) = 3x² - 7x-3
g(x) = -4x - 10
The value of the composite function (f o g)(3) is 1603
How to evaluate the composite function?The functions are given as
f(x) = 3x² - 7x - 3
g(x) = -4x - 10
Next, calculate (f o g)(x) using
(f o g)(x) = f(g(x))
So, we have
(f o g)(x) = 3(-4x - 10)² - 7(-4x - 10) - 3
Substitute 3 for x.
So, we have
(f o g)(3) = 3(-4 x 3 - 10)² - 7(-4 x 3 - 10) - 3
Evaluate
(f o g)(3) = 1603
Hence, the value of the composite function (f o g)(3) is 1603
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I struggle with math and am having difficulty solving this problem. Please only solve if you definitively know the answer. Thank you!
The equivalent expression of \(6^\frac 25\) is \((\sqrt[5]{6})^2\)
How to determine the equivalent expression?The expression is given as:
\(6^\frac 25\)
The law of indices states that:
\(a^\frac mn = (\sqrt[n]{a})^m\)
Using the above as a guide, we have:
\(6^\frac 25 = (\sqrt[5]{6})^2\)
Hence, the equivalent expression of \(6^\frac 25\) is \((\sqrt[5]{6})^2\)
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Find the length of side of square ABCD when diagonal is √ cm long. Also find the perimeter and area of the square
The length of each side of the square is 16 cm, the perimeter is 64 cm, and the area is 256 cm^2.
Let's solve the problem step by step. We have a square ABCD, and we need to find the length of its sides when the diagonal is 16√2 cm long.
In a square, the diagonal forms a right triangle with the sides. The sides of a square are equal in length, so let's assume the length of one side of the square is 'x' cm.
Using the Pythagorean theorem, we can find the relationship between the side length and the diagonal:
x^2 + x^2 = (16√2)^2
2x^2 = 512
Dividing both sides by 2, we have:
x^2 = 256
Taking the square root of both sides:
x = √256
x = 16 cm
So, the length of each side of the square is 16 cm.
To find the perimeter of the square, we simply multiply the length of one side by 4 since all sides are equal:
Perimeter = 4 * 16 cm = 64 cm
To find the area of the square, we square the length of one side:
Area = (16 cm)^2 = 256 cm^2
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Note the complete question is:
Find the length of side of square ABCD when diagonal is 16√2 cm long. Also find the perimeter and area of the square?
Please help quick I need it
The area of the composite figure is 122.24 units².
How to find the area of a composite figure?The composite figure consist of a rectangle and two semi circles. Therefore, the area of the composite figure is the sum of the area of the individua shapes.
Hence,
area of the composite figure = area of the rectangle + 2(area of semi circle)
Therefore,
area of the composite figure = 9 × 8 + 2(1 / 2 πr²)
area of the composite figure = 72 + πr²
where
r = 8 / 2 = 4 units
Therefore,
area of the composite figure = 72 + 3.14 × 4²
area of the composite figure = 72 + 3.14 × 16
area of the composite figure = 72 + 50.24
area of the composite figure = 122.24 units²
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Marianna finds an annuity that pays 8% annual interest, compounded quarterly. She invests in this annuity and contributes $10,000 each quarter for 6 years. How much money will be in her annuity after 6 years? Enter your answer rounded to the nearest hundred dollars.
The amount of money in Marianna's annuity after 6 years will be approximately $300,516.
To calculate the amount of money in Marianna's annuity after 6 years, we can use the formula for compound interest on an annuity:
A = P * ((1 + r/n)^(n*t) - 1) / (r/n)
Where:
A = the final amount in the annuity
P = the regular contribution (each quarter) = $10,000
r = annual interest rate = 8% = 0.08
n = number of compounding periods per year = 4 (since it's compounded quarterly)
t = number of years = 6
Plugging in the values:
A = 10000 * ((1 + 0.08/4)^(4*6) - 1) / (0.08/4)
Calculating this expression:
A ≈ 10000 * ((1.02)^24 - 1) / 0.02
A ≈ 10000 * (1.601032449136241 - 1) / 0.02
A ≈ 10000 * 0.601032449136241 / 0.02
A ≈ 10000 * 30.05162245681205
A ≈ 300,516.22
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Answer:
304200
Step-by-step explanation:
To find the value of P6, use the savings annuity formula
PN=d((1+r/k)N k−1)r/k.
From the question, we know that r=0.08, d=$10,000, k=4 compounding periods per year, and N=6 years. Substitute these values into the formula gives
P6=$10,000 ((1+0.08/4)6⋅4−1)/(0.08/4).
Simplifying further gives P6=$10,000 ((1.02)24−1)/(0.02) and thus P6=$304,218.62.
Rounding as requested, our answer is 304200.
There are 4 roads leading from Bluffton to Hardeeville, 10 roads leading from Hardeeville to Savannah, and 5 roads leading from Savannah to Macon. How many ways are there to get from Bluffton to Macon
Answer: 200 ways
Step-by-step explanation:
From the given information:
Total number of roads leading from Bluffton to Hardeeville = 4
Total number of roads leading from Hardeeville to Savannah = 10
Total number of roads leading from Savannah to Macon = 5
We need to find the total number of ways to get from Bluffton to Macon.
Total number of ways to get from Bluffton to Macon = 4 * 10 * 5
= 200
Therefore, there are 200 required number of ways to get from Bluffton to Macon.
Help me with this math please
Answer:
Step-by-step explanation:
2
the stick number is a knot invariant that intuitively gives the smallest number of straight "sticks" stuck end to end needed to form a knot. Specifically, given any knot K, the stick number of K, denoted by stick (K), is the smallest number of edges of a polygonal path equivalent to K.
74% of freshmen entering public high schools in 2006 graduated with their class in
2010. A random sample of 81 freshmen is selected. Find the probability that the
proportion of students who graduated is greater than 0.750.
Write only a number as your answer. Round to 4 decimal places (for example
0.1048). Do not write as a percentage.
The probability that the proportion of students who graduated is greater than 0.750 is 0.4113.
What exactly is probability?
Probability is a measurement of the possibility of an event to be occured. It is a mathematical concept that quantifies the chance of a particular outcome or set of outcomes in a given situation. Probability is expressed as a number between 0 and 1, where 0 represents impossibility (an event that will never occur) and 1 represents certainty (an event that will always occur).
Now,
The given problem involves a binomial distribution with n = 81 and p = 0.74. We are asked to find the probability that the proportion of students who graduated is greater than 0.750, which can be written as:
P(p > 0.750)
To solve this problem, we need to first calculate the mean (μ) and standard deviation (σ) of the binomial distribution using the formulas:
μ = np = 81 × 0.74 = 59.94
σ = √(np(1-p)) = √(81 × 0.74 × (1-0.74)) = 4.487
Next, we need to standardize the proportion value using the formula:
z = (p - μ) / σ
Substituting the values, we get:
z = (0.750 - 0.74) / 4.487 ≈ 0.223
Using a standard normal distribution table or calculator, we can find the probability of z being greater than 0.223, which is:
P(z > 0.223) ≈ 0.4113
Therefore,
The probability that the proportion of students who graduated is greater than 0.750 is 0.4113.
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An exponential function will have:
Answer:
Exponential functions have the form f(x) = bx, where b > 0 and b ≠ 1.
Step-by-step explanation:
Plants and animals although very different have many things in common which system is most likely being represented in the diagrams below
Answer:
there's no diagram
Step-by-step explanation:
A box contains 54 coins which are either 20-cent coins or 50-cent coins. If the total value of all the coins is $20.70, find the number of 20-cent coins in the box. LOF 1 11.
Number of 20-cent coins in the box are 33.
1. Let's assume the number of 20-cent coins to be x and the number of 50-cent coins to be y.
2. We can set up two equations based on the given information:
- x + y = 54 (since the total number of coins in the box is 54)
- 0.20x + 0.50y = 20.70 (since the total value of all the coins is $20.70)
3. We can multiply the second equation by 100 to get rid of the decimals:
- 20x + 50y = 2070
4. Now, we can use the first equation to express y in terms of x:
- y = 54 - x
5. Substitute the value of y in the second equation:
- 20x + 50(54 - x) = 2070
6. Simplify and solve for x:
- 20x + 2700 - 50x = 2070
- -30x = -630
- x = 21
7. Substituting the value of x back into the first equation:
- 21 + y = 54
- y = 33
8. Therefore, there are 21 20-cent coins and 33 50-cent coins in the box.
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Pls help me I’ll mark brainLiest
Answer:y times 20 p
Step-by-step explanation:
Find area of circle
Answer:
it should be 16
Step-by-step explanation:
3. The Leakey Shipping Company uses small containers with a volume of 2.5 m3and large containers with a volume of 4 m3. A shipment of 140 containers hada total volume of 440 m3. Find the number of each size container used.
Given:
• Volume of small containers = 2.5 m³
,• Volume of large containers = 4 m³
,• Number of containers in the shipment = 140
,• Total volume = 440 m³
Let's find the number of the size of each container used.
Let s represent the number of small containers
Let L represent the number of large containers.
• Equation for number of containers:
s + L = 140
• Equation for total volume:
2.5s + 4L = 140
Hence, we have the set of equations:
s + L = 140...........................equation 1
2.5s + 4L = 440...................equation 2
Let's solve the set of equations simultaneously using substitution methos.
Rewrite equation 1 for L:
L = 140 - s...........................equation 3
Substitute (140 -s) for L in equation 2:
2.5s + 4(140 - s) = 440
Apply distributive property:
2.5s + 4(140) + 4(-s) = 440
2.5s + 560 - 4s = 440
Combine like terms:
2.5s - 4s + 560 = 440
-1.5s + 560 = 440
Subtract 560 from both sides:
-1.5s + 560 - 560 = 440 - 560
-1.5s = -120
Divide both sides by -1.5:
\(\begin{gathered} \frac{-1.5s}{-1.5}=\frac{-120}{-1.5} \\ \\ s=80 \end{gathered}\)Substitute 80 for s in either of the equations.
Take equation 3.
L = 140 - s
L = 140 - 80
L = 60.
Therefore, we have the solutions:
s = 80 and L = 60
Therefore, the company used 80 small containers and 60 large containers
Find the distance between the two points. (-1,4), (1,3)
Answer:
To find the distance between the two points.
\(\left(-1,4\right),(1,3)\)we know that,
Distance formulas as,
Distance between two points (x1,y1) and (x2,y2) is,
\(d=\sqrt{(x1-x2)^2+(y1-y2)^2}\)Substitute the given points we get,
\(d=\sqrt{(-1-1)^2+(4-3)^2}\)\(d=\sqrt{4+1^}\)\(d=\sqrt{5}\approx2.236\)Answer is: 2.236 units.
Write a decimal equivalent to 9/20 (15 points)
Find the required monthly payment to accumulate $32,000 in 10 years at an APR of 7.9% compounded monthly for an annuity.
Step-by-step explanation:
To calculate the required monthly payment to accumulate $32,000 in 10 years at an APR of 7.9% compounded monthly for an annuity, we can use the formula for the present value of an annuity due:
PV = PMT × ((1 - (1 + r/n)^(-n×t)) / (r/n)) × (1 + r/n)
where:
- PV is the present value of the annuity due ($32,000)
- PMT is the monthly payment we want to find
- r is the annual interest rate (7.9%)
- n is the number of times interest is compounded per year (12 for monthly compounding)
- t is the number of years (10)
PMT = PV / ((1 - (1 + r/n)^(-n×t)) / (r/n)) × (1 + r/n) = **$292.07**
Therefore, the required monthly payment to accumulate $32,000 in 10 years at an APR of 7.9% compounded monthly for an annuity is **$292.07**.
If v=4s to the power of 3 and s=2.5 units,what is the value of V?
p-chart is to be constructed to monitor the fraction non-conforming for a process. 20 samples of 100 items were collected when the process was known to be in control. There were 100 total nonconforming items identified. a. (10 pts) Construct a p-chart from this data (use L-3)
p chart from this data are attached below.
Describe about p chart?
A p-chart is an attributes control chart that is used with data collected in varying size subgroups. Because the size of the subgroup varies, it displays a proportion of nonconforming items rather than the actual count. P-charts depict how the process evolves over time.P bar = total detective / total sampled
P bar = \(\frac{20}{100}\)
= \(\frac{1}{5}\)
UCL = P bar + L . \(\sqrt{\frac{p bar q bar}{n} }\)
= \(\frac{1}{5}\) + 3 * \(\sqrt{\frac{1}{5} *\frac{4}{5} * \frac{1}{100} }\)
= (\(\frac{1}{5} + \frac{3 * 2}{50}\))
= (0.20 + 0.12)
UCL = 0.32
CL = P bar = 0.20
LCL = P bar - L . \(\sqrt{\frac{p bar q bar}{n} }\)
= (\(\frac{1}{5} - \frac{3 * 2}{50}\))
= (0.20 - 0.12)
LCL = 0.08
Therefore, UCL = 0.32, CL = 0.20, LCL = 0.08
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Neil has total of 8 cars and trucks as toys. For his next birthday, he wants to double the number of cars he has. He will then have a total of 11 toy vehicles. How many of each type does he have now?
Answer:
Number of cars = 3
Number of trucks = 5
Step-by-step explanation:
Let
Number of cars = x
Number of trucks = y
Total number of cars and trucks = 8
We can write the equation: \(x+y=8\)
For his next birthday, he want to double the cars.
The number of cars will be: 2x
Now, the total number of cars and trucks will be 11
Now equation will be: \(2x+y=11\)
Now, Solving these equations, we can find value of x and y
\(x+y=8--eq(1)2x+y=11--eq(2)\)
Subtracting both equations:
\(x+y=82x+y=11\\-\:\:\:-\:\:\:-\\--------\\-x=-3\\x=3\)
So, we get x =3
Now, for finding value of y, put value of x in equation 1:
\(x+y=8\\3+y=8\\y=8-3\\y=5\)
So, we get y=5
So,
Number of cars = x = 3
Number of trucks = y = 5
The low temperatures in December at each of three locations are shown.
Location 1: 18°F
Location 2: –5°F
Location 3: –22°F
Choose each statement that is both true and correctly justified based on this information.
(A) Because 18 < –22, it was colder, on average, at Location 3 than at Location 1.
(B) Because 18 < –22, it was warmer, on average, at Location 3 than at Location 1.
(C) Because –22 < 18, it was colder, on average, at Location 3 than at Location 1.
(D) Because –22 < 18, it was warmer, on average, at Location 3 than at Location 1.
(E) Because –22 < –5, it was warmer, on average, at Location 2 than at Location 3.
Answer:
According to me answer is option C and E
Step-by-step explanation:
If you like my answer than please mark me brainliest thanks
Please Help!! simplify the expression.
root(3, 24x ^ 6 * y ^ 2) - 2x ^ 2 * root(3, 375y ^ 2) - 3x * root(3, 16x ^ 3 * y ^ 2
1.simply the radical expression.
2.calculate the product.
3.collect like terms
Suppose that minor errors occur on a computer in a space station, which will require re-calculation. Assume the occurrence of errors follows a Poisson process with a rate of 1/2 per hour. (a) Find the probability that no errors occur during a day. (b) Suppose that the system cannot correct more than 25 minor errors in a day, in which case a critical error will arise. What is the probability that a critical error occurs since the start of a day? Keep up to the 6th decimal place in your answer. (c) Suppose the error correction protocols reset themselves so long as there are no more than five minor errors occurring within a 2 hour window. The system just started up and an error occurred. What is the probability the next reset will occur within 2 hours?
Answer:
a
\( P(X = 0) = 0.6065 \)
b
\(P(x < 25 ) = 1.18 *10^{-33} \)
c
\( P(x \le 5 ) = 0.9994 \)
Step-by-step explanation:
From the question we are told that
The rate is \(\lambda = \frac{1}{2}\ hr^{-1}\) = 0.5 / hr
Generally Poisson distribution formula is mathematically represented as
\(P(X = x) = \frac{(\lambda t) ^x e^{-\lambda t }}{x!}\)
Generally the probability that no error occurred during a day is mathematically represented as
Here t = 1 hour according to question a
So
\(P(X = x) = \frac{\lambda^x e^{-\lambda}}{x!}\)
Hence
\(\(P(X = 0) = \frac{\frac{1}{2} ^0 e^{-\frac{1}{2}}}{0!}\)
=> \( P(X = 0) = 0.6065 \)
Generally the probability that a critical error occurs since the start of a day is mathematically represented as
Here t = 1 hour according to question a
So
\(P(X = x) = \frac{\lambda^x e^{-\lambda}}{x!}\)
Hence
\(P(x \ge 25 ) = 1 - P(x < 25 )\)
Here
\(P(x < 25 ) = \sum_{x=0}^{24} \frac{e^{-\lambda} * \lambda^{x}}{x!}\)
=> \(P(x < 25 ) = \frac{e^{-0.5} *0.5^{0}}{0!} + \cdots + \frac{e^{-0.5} *0.5^{24}}{24!}\)
\(P(x < 25 ) = 0.6065 + \cdots + \frac{e^{-0.5} *0.5^{24}}{6.204484 * 10^{23}}\)
\(P(x < 25 ) = 0.6065 + \cdots + 6.0*10^{-32}\)
\(P(x < 25 ) = 1.18 *10^{-33} \)
Considering question c
Here t = 2
Gnerally given that the system just started up and an error occurred the probability the next reset will occur within 2 hours
\(P(x \le 5 ) = \sum_{n=0}^{5} \frac{(\lambda t) ^x e^{-\lambda t }}{x!}\)
=> \(P(x \le 5 ) = \frac{(0.5 * 2) ^ 0 e^{- 0.5 * 2 }}{0!} + \cdots + \frac{(0.5 * 2) ^ 5 e^{- 0.5 * 2 }}{5!}\)
=> \(P(x \le 5 ) = \frac{1* 2.7183 }{1 } + \cdots + \frac{1 *2.7183 }{120}\)
=> \(P(x \le 5 ) = 2.7183 + \cdots + 0.0226525\)
\( P(x \le 5 ) = 0.9994 \)
A survey of 450 randomly chosen US adults found that 35% of the 200 men and 40% of the 250 women attended a college football game during the past month. Do these data provide statistical evidence at the α = 0.01 level that men are more likely than women to attend football games? Be sure to state the parameter, check conditions, perform calculations, and make conclusion(s). (10 points)
Answer:100,000
Step-by-step explanation:
Which equation is correct?
427 × 3 = 400 × 3 + 20 × 3 + 7 × 3
427 × 3 = 400 + 20 × 3 + 7 × 3
427 × 3 = 400 × 3 + 20 × 3 + 7
427 × 3 = 4,000 × 3 + 200 × 3 + 70 × 3
Answer:
A) 427 × 3 = 400 × 3 + 20 × 3 + 7 × 3
Step-by-step explanation:
\(427*3=(400+20+7)*3=(400*3)+(20*3)+(7*3)\)
Therefore, the first option is correct
How do i find the volume of a cube thats 5 feet
What are the new coordinates if the figure were rotated 90 degrees counterclockwise
Answer:
third option
Step-by-step explanation:
under a counterclockwise rotation of 90° about the origin
a point (x, y ) → (y, - x )
Then
A (- 1, - 2 ) → (- 2, - (- 1) ) → (- 2, 1 )
B (2, - 2 ) → (- 2, - 2 )
C (1, - 4 ) → (- 4, - 1 )
The new coordinates are (d) A = (2, -1) B = (2, 2) and C = (4, 1)
How to determine the new coordinates rotating by 90 degrees counterclockwiseFrom the question, we have the following parameters that can be used in our computation:
The figure,
Where, we have
A = (-1, -2)
B = (2, -2)
C = (1, -4)
The rule of 90 degrees counterclockwise is
(x, y) = (-y, x)
Using the above as a guide, we have the following:
A = (2, -1)
B = (2, 2)
C = (4, 1)
Hence, the new coordinates are (d) A = (2, -1) B = (2, 2) and C = (4, 1)
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Suppose you pay $1.80 to roll a fair 10-sided die with the understanding that you will get $4.30 back for
rolling a 1, 2, 3, or 4. Otherwise, you get no money back. What is your expected value of gain or loss?
Round your answer to the nearest cent (i.e. 2 places after the decimal point), if necessary. Do NOT type
a "$" in the answer box.
Expected value of gain or loss: $
Answer:
0.64
Step-by-step explanation:
here is the explanation
m grade> Y.4 Area and perimeter: word problems JFR
A rectangular garage is 6 meters wide and 7 meters long. What is its perimeter?
Answer:
26 meters
Step-by-step explanation:
To solve the perimeter you need to know the formula which is 6 + 7 x 2 and you get 26 meters