Find the critical numbers of the function. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.)
1. g(y-2)/(y^2-2y+4)
2. f(x) = x^-2inx
In this case, The critical numbers are x = 1.
How to determine the critical numberTo find the critical numbers of g(y) = (y-2)/(y^2-2y+4), we first find the derivative g'(y) and then set it equal to zero or find where it's undefined.
g'(y) = (2y-2)/((y^2-2y+4)^2).
The critical numbers are y = 1. 2.
For f(x) = x^(-2)ln(x), you probably meant f(x) = x^(-2)ln(x).
In this case, find the derivative f'(x) and set it equal to zero or find where it's undefined.
f'(x) = -2x^(-3)ln(x) + x^(-2)(1/x).
The critical numbers are x = 1.
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kathy tossed a coin $8$ times and got $3$ heads and $5$ tails. how many different sequences of results could she have gotten?
There are 56 different sequences of coin toss results that Kathy could have gotten, given that she got 3 heads and 5 tails in 8 tosses.
To find the total number of different sequences of coin toss results that Kathy could have gotten, we can use the formula for permutations:
nPr = n! / (n - r)!
where n is the total number of objects (in this case, the total number of coin tosses) and r is the number of objects selected (in this case, the number of heads or tails that Kathy got).
Since Kathy got 3 heads and 5 tails, there are 8 choose 3 (or 8 choose 5) ways to arrange the sequence of heads and tails. This is equivalent to the number of ways to select 3 objects out of 8, or 5 objects out of 8:
8C3 = 8! / (3! x (8 - 3)!) = 56
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the base of a ladder should be set out a distance equal to ____ the height to the point of support.
The base of a ladder should be set out a distance equal to one-fourth (1/4) the height to the point of support. This ensures stability and safety while using the ladder. It is important to pay attention to this detail when using a ladder to prevent accidents and injuries.
The base of a ladder should be set out a distance equal to 1/4 the height to the point of support.
Determine the height to the point of support (H).
Calculate the appropriate distance for the base of the ladder by using the formula: Distance = 1/4 * H.
Set the ladder's base at the calculated distance from the wall or support.
The base of a ladder should be set out a distance equal to one-fourth (1/4) the height to the point of support. This ensures stability and safety while using the ladder. It is important to pay attention to this detail when using a ladder to prevent accidents and injuries.
This guideline ensures that the ladder is placed at a safe angle to prevent it from slipping or falling.
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the top seeds of 30 different land animals have been organised into a frequency table draw a histogram for the given data
Step-by-step explanation:
The histogram for the given data is shown above where the class interval is represented on x−axis and frequency is equal to the height of the bars on y−axis.
solution
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SIMILAR QUESTIONS
star-struck
Draw a Histogram for the following data :
Class Interval Frequency
0−10 35
10−20 70
20−30 20
30−40 40
40−50 50
Can u help on this. 3 (x - 1)
Answer:
=3x−3
Step-by-step explanation:
=(3)(x+−1)
=(3)(x)+(3)(−1)
Answer:
3x - 3
Step-by-step explanation:
distribution
What is the process to convert meters to centimeters?.
(1/2x +7)²
EXPAND IT PLEASE
Answer:
1/4x^2 + 7x + 49
Step-by-step explanation:
Use binomial theorem (a + b)^2 = a^2 + 2ab + b^2 to expand (1/2x + 7)^2
factor 5x^3 - 2x^2 using the GCF
Answer:
x^2(5x-2)
Step-by-step explanation:
The gcf of the whole expression is x^2. You then factor out it from the expression to get x^2(5x-2)
1. Write the following in exponential form and as a multiplication sentence using only 10 as a factor
(e.g., 100 = 102= 10 x 10).
a. 1,000
b. 100 x 100
2. Write the following in standard form (e.g., 4 x 102 = 400).
a. 3 x 102=
C.
800 - 103 =
I
b. 2.16 x 104 =
d. 754.2 - 102 =
Answer:
1. a. 1,000 = 10³ = 10 × 10 × 10
b. 100 × 100 = 10² × 10² = 10 × 10 × 10 × 10
2. a. 3 × 10² = 300
b. 2.16 × 10⁴ = 21,600
c. 800 ÷ 10³ = 0.8
d. 754.2 ÷ 10² = 7.542
Step-by-step explanation:
3. a. 1,000
There are 3 zeros in 1000. This is equivalent to 10 raised to the power of 3. Writing this in multiplication sentence using 19 as the only factor, we would have:
1,000 = 10³ = 10 × 10 × 10
b. 100 × 100
Using the same logic as explained in (a) above, we would have:
100 × 100 = 10² × 10² = 10 × 10 × 10 × 10
2. a. 3 × 10²
Convert 10² to 100 and multiply both numbers
3 × 10² = 3 × 10 × 10 = 3 × 100 = 300
b. 2.16 × 10⁴
2.16 × 10 × 10 × 10 × 10 = 2.16 × 10,000
Multiplying both numbers, since we have 4 zeros, move the decimal point 4 places to the right.
2.16 × 10,000 = 21,600
c. 800 ÷ 10³ = 800 ÷ 10 × 10 × 10
800 ÷ 1,000
There are 3 zeros in 1000, since we are dividing, move the decimal point 3 places to the left.
800 ÷ 1,000 = 0.8
d. 754.2 ÷ 10² = 754.2 ÷ 10 × 10
754.2 ÷ 100
Move the decimal point 2 places to the left.
754.2 ÷ 100 = 7.542
factor completely 2x^2+4x-70
Answer: \(2(x-5)(x+7)\) <---- \(this\) \(is\) \(your\) \(answer\)
Step-by-step explanation:
(\(2x^2+4x-70\))
\(2((x-5)(x+7))\)
\((-1,-72)\)
\((-1, -\frac{575}{8} )\)
\(x=-1\)
\(y=-\frac{577}{8}\)
Factor the polynomial completely.
Group and factor out the greatest common factor (GCF), then combine.
Graph the parabola using the direction, vertex, focus, and axis of symmetry.
Direction: Opens Up
So the answer is \(2(x-5)(x+7)\)
Hope this helps out :)
What are the solutions to x2 - 3x = 5?
Answer:
2 real solutions.
Step-by-step explanation:
\(x^{2}\) - 3x = 5
\(x^{2}\) - 3x -5 = 0
D =\((-3)^{2}\) - 4 x 1 x (-5)
D = 29 Quadratic has 2 real solutions.
Help with 30 please I forget what supplementary and complementary mean
Answer:
a. ∠AMB, ∠BMC
b. ∠BMC, ∠CMD
Step-by-step explanation:
supplementary=angles add up to 180°
Complementary=angles add up to 90°
Suppose that X has a hypergeometric distribution with N = 100, n = 4, and K = 20. Determine the following: a. P(X = 1) b. P(X = 6) c. P(X = 4) d.
The probabilities for the hypergeometric distribution with the given parameters are:
a. P(X = 1) ≈ 0.000407
b. P(X = 6) = 0
c. P(X = 4) ≈ 0.098117
d. P(X = 0) ≈ 1.97e-05
What is probability?Probability is a measure of the likelihood of an event to occur. Many events cannot be predicted with total certainty.
To determine the probabilities for the hypergeometric distribution with the given parameters, we can use the following formula:
P(X = k) = (choose(K, k) * choose(N-K, n-k)) / choose(N, n)
where "choose(a, b)" represents the binomial coefficient, calculated as a! / (b! * (a - b)!)
Let's calculate the probabilities:
a. P(X = 1):
P(X = 1) = (choose(20, 1) * choose(100-20, 4-1)) / choose(100, 4)
= (20 * 80) / 3921225
≈ 0.000407
b. P(X = 6):
P(X = 6) = (choose(20, 6) * choose(100-20, 4-6)) / choose(100, 4)
= (38760 * 0) / 3921225
= 0
c. P(X = 4):
P(X = 4) = (choose(20, 4) * choose(100-20, 4-4)) / choose(100, 4)
= (4845 * 80) / 3921225
≈ 0.098117
d. P(X = 0):
P(X = 0) = (choose(20, 0) * choose(100-20, 4-0)) / choose(100, 4)
= (1 * 77) / 3921225
≈ 1.97e-05
Therefore:
a. P(X = 1) ≈ 0.000407
b. P(X = 6) = 0
c. P(X = 4) ≈ 0.098117
d. P(X = 0) ≈ 1.97e-05
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The complete question is:
Suppose that X has a hypergeometric distribution with N = 100, n = 4, and K = 20. Determine the following: a. P(X = 1) b. P(X = 6) c. P(X = 4) d. P(X = 0).
Find the missing side in the similar figures below
Answer:
i got stuck on this after solving the triangle. Below shows where I ended.
Step-by-step explanation:
1/2 * 12 * 25=150
Answer: next time put the answer we don’t care on how you solved it or where you left off. So if anybody got the answer put it here
Step-by-step explanation:
You need at least 150 cups of lemonade but less than 225 cups of lemonade for a picnic. Each batch
of lemonade makes 25 cups of lemonade. Write and solve a compound inequality that represents the
number of batches b you need to make.
Answer:
I think it's 7 batches
Step-by-step explanation:
150/25 < 22b/25 < 225/25
6<b <9
The number of lemonade should be more than 6 and less than 9.
What is inequality?A statement of an order relationship—greater than, greater than or equal to, less than, or less than or equal to—between two numbers or algebraic expressions.
Given:
we need at least 150 cups of lemonade but less than 225 cups of lemonade for a picnic.
Each batch of lemonade = 25 cups of lemonade.
let the number of lemonade be x
So, 150 < 25x < 225
or, 6 < x < 10
Hence, the number of lemonade should be more than 6 and less than 9.
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A piece of wire that is 28 inches long is cut into two pieces, each of which is then bent into the shape of a square. The larger square has side lengths that are three inches longer than the smaller square.
(a) If x is the side length of the smaller square and y is the side length of the larger square, write a system of equations that models this scenario.
(b) Solve the system of equations and determine the lengths of the two pieces of wire.
Answer:
1)
4(x+3)+4x=28
Solve
4x+12+4x=28
Combine
8x+12=28
Isolate
8x=16
Isolate
x=2
Substitute
4(2+3)=20
4*2=8
Now find each side
20/4=5
8/4=2
So one side is 5
Other side is 2
the hypotenuse of a right triangle is sqrt(73) in. the sum of the lengths of the legs is 11 in. find the lengths of the legs
The length of legs are 8 in and 4 in , when hypothenuse is √73 in
The Pythagorean Theorem states that a right triangle's hypotenuse (the side across from the right angle) has a square perimeter equal to the sum of its legs
Formula : a² + b² = c²
Where , a and b are legs and c is hypotenuse
According to the question,
Hypothenuse of right angle triangle : c =√73
sum of legs => 11 = a + b
Using Pythagoras theorem ,
a² + b² = c²
=> a² + b² = (√73)²
=> a² + b² = 73 ---------(1)
As we know ,
(a + b)² = a² + b² + 2ab
=> a² + b² = (a + b)² -2ab
Substituting the value in equation (1)
=> (a + b)² -2ab = 73
=> 11² - 2ab = 73
=> 2ab = 121 - 73
=> 2ab = 48
=> ab = 24
=> a = 24/b
Substituting the value of a,
24/b + b = 11
=> 24 + b² = 11b
Solving the quadratic equation,
b = 8 , 3
Therefore , When a = 3 , b = 8
and when a = 8 , b = 3
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Will give brainliest
Which table of values will generate this graph? On a coordinate plane, points are at (negative 2, 0), (0, 1), (0, negative 4), and (3, 0). A 2-column table with 2 rows. Column 1 is labeled x with entries negative 4, 1. Column 2 is labeled y with entries negative 2, 3. A 2-column table with 2 rows. Column 1 is labeled x with entries negative 2, 3. Column 2 is labeled y with entries negative 4, 1. A 2-column table with 4 rows. Column 1 is labeled x with entries negative 4, 0, 0, 1. Column 2 is labeled y with entries 0, negative 2, 3, 0. A 2-column table with 4 rows. Column 1 is labeled x with entries negative 2, 0, 0, 3. Column 2 is labeled y with entries 0, negative 4, 1, 0.
Answer: d
Step-by-step explanation: i took the test
Answer:
d
Step-by-step explanation:
Angles p and q are complementary. p is four times the size of q. what is the size of q.
Angles p and q are complementary, which means that their sum is equal to 90 degrees. Let's assume the size of angle q is x degrees. Since p is four times the size of q, we can write the equation p = 4q.
To find the size of q, we need to substitute the value of p in terms of q into the equation for the sum of the angles: p + q = 90.
Substituting 4q for p, we get:
4q + q = 90
Combining like terms:
5q = 90
To solve for q, we divide both sides of the equation by 5:
q = 90/5
Simplifying:
q = 18
Therefore, the size of angle q is 18 degrees.
when angles p and q are complementary and p is four times the size of q, the size of angle q is 18 degrees.
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Which of the following explains why it is easier to reject the null hypothesis with a one-tailed test than with a two-tailed test with all the same parameters?
a. Because the standard deviation in a one-tailed test is larger than that for a two-tailed test
b. Because z-scores are calculated differently in a one-tailed test
c. Because the critical region is all on one side in a one-tailed test and needs to be split between the two tails in a two-tailed test
d. Because a two-tailed test uses a bimodal distributio
Because the critical region is all on one side in a one-tailed test and needs to be split between the two tails in a two-tailed test.
What is the difference between a one-tailed test and a two-tailed test in hypothesis testing?In a one-tailed test, the alternative hypothesis is directional and the critical region is all on one side of the distribution. In a two-tailed test, the alternative hypothesis is non-directional and the critical region is split between the two tails of the distribution.
Why is it easier to reject the null hypothesis with a one-tailed test than with a two-tailed test?It is easier to reject the null hypothesis with a one-tailed test because the critical region is all on one side of the distribution, making it more likely to observe a significant difference and reject the null hypothesis. In contrast, the critical region is split between the two tails in a two-tailed test, making it less likely to observe a significant difference and reject the null hypothesis.
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Use the numbers on the conveyer belt to complete the equation
18 x ————- = 9 x————-
Step-by-step explanation:
I think...
18×9=9×18
hope it helps
How would you use the Distributive Property to write an equivalent expression, with no spaces, for x(3x+2)?
Answer:
\(x(3x + 2) = 3x^2 + 2x\)
Step-by-step explanation:
Given
\(x(3x + 2)\)
Required
Apply distributive property
\(x(3x + 2)\)
Distribute
\(x(3x + 2) = x * 3x + x * 2\)
\(x(3x + 2) = 3x^2 + 2x\)
Your friend shows you a coin collection. In it, 38/50 of the coins are quarters. What percent of the coins are quarters?
Answer: 76%
Step-by-step explanation: 38/50 × 100/1
As a town gets smaller, the population of its high school decreases by 7% each year. The senior class has 320 students now. In how many years will it have about 100 students? Write
an equation. Then solve the equation without graphing.
Write an equation to represent this situation. Let n be the number of years before the class will have 100 students.
(Type an equation using n as the vanable. Use integers or decimals for any numbers in the equation)
Help again please
Therefore, in about 15 years and 2 months, the senior class will have about 100 students.
What is equation?An equation is a statement that expresses the equality of two mathematical expressions using mathematical symbols such as variables, numbers, and mathematical operations. The equality is represented by an equal sign "=" between the two expressions. Equations are used to represent mathematical relationships and solve problems in various fields such as physics, chemistry, engineering, and economics.
Given by the question.
Let P be the initial population of the senior class in the high school, and r be the rate of decrease in population per year (in decimal form).
Then, we can write the following equation to represent the situation:
P\((1-r)^{n}\) = 100
We know that the current population of the senior class is 320, so we can substitute these values into the equation:
320\((1-0.07)^{n}\) = 100
Simplifying the equation, we get:
\(0.93^{n}\) = 0.3125
Taking the natural logarithm of both sides, we get:
n ln (0.93) = ln (0.3125)
Dividing both sides by ln (0.93), we get:
n = ln (0.3125) / ln (0.93)
Using a calculator, we find that n is approximately equal to 15.21 years.
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Convert the mixed number into an improper fraction: 2 9/15
Solve for x. 4x+7y+5xy=0
Answer:
x = -7y/(4 +5y)
Step-by-step explanation:
You can treat y as though it were a constant. As in any 2-step linear equation, you separate the variable term(s) from the constant term, then divide by the coefficient of the variable.
4x +5xy = -7y . . . . . subtract 7y
x(4 +5y) = -7y . . . . . factor out x, so we can see its coefficient
x = -7y/(4 +5y) . . . . divide by the coefficient of x
A state that has license plates with 2 letters, followed by 4 digits.
3. for questions 3-5, complete the missing values in each table below using the graph
The missing values are derived from the graph as follows:
3 ) 7, 14, 21, 28, 35
4) 3, 7, 10, 14, 17
5) 1, 21, 10, 49, 19
What is a graph?In mathematics, a graph is defined as a graphical representation or diagram that organizes facts or values. The graph's points frequently reflect the relationship between two or more objects.
In order to solve for the above values, the best way is to spot the function that exists in the graph which is given as:
F(y) = 3.5x
In the first table, where x = 2
y= 3.5 *2
= 7
This iteration goes on and on and is consistent for all the values.
In the second table,
Where F(y) is known, for example 10.5, then x is derived as:
10.5 = 3.5x (divide both sides by 3.5)
x = 3
This iteration goes on and on and is consistent for all the values.
In the third table, we simply swap the values back and forth using the function F(y) = 3.5x to derive all values.
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(a) Construct a 99.8% confidence interval for the proportion of those who work in computer related jobs who have changed jobs in the past six months.
Round the answers to at least three decimal places.
A 99.8% confidence interval for the proportion of those who work in computer-related jobs who have changed jobs in the past six months is <<
Х
The 99.8% confidence interval for the proportion of those who work in computer-related jobs who have changed jobs in the past six months is approximately (0.495, 0.705).
To construct a 99.8% confidence interval for the proportion of those who work in computer-related jobs who have changed jobs in the past six months, you will need the sample proportion (p), the sample size (n), and the critical value (z) associated with the 99.8% confidence level.
First, find the critical value (z) for a 99.8% confidence level. You can look up this value in a standard normal (z) distribution table, or use a calculator that provides critical values. For a 99.8% confidence interval, the critical value (z) is approximately 3.090.
Next, calculate the standard error (SE) using the formula SE = sqrt[p(1-p)/n], where p is the sample proportion and n is the sample size. Make sure you have the values for p and n from your sample.
Once you have the standard error, you can construct the confidence interval using the formula:
Confidence Interval = p ± (z * SE)
Substitute the values of p, z, and SE into the formula, and round the answers to at least three decimal places.
For example, if the sample proportion (p) is 0.60 and the sample size (n) is 200:
SE = sqrt[0.60 * (1-0.60) / 200] ≈ 0.034
Confidence Interval = 0.60 ± (3.090 * 0.034) ≈ 0.60 ± 0.105
Thus, the 99.8% confidence interval for the proportion of those who work in computer-related jobs who have changed jobs in the past six months is approximately (0.495, 0.705).
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The function s(m)=5+4(m−1) represents the number of stamps in Rudy’s stamp collection in month m. What does the value 4 represent in this situation?
a. Rudy's collection is worth $4.
b. Rudy collected stamps for 4 months.
c. Rudy began his collection with 4 stamps.
d. Rudy adds 4 more stamps to his collection every month
The value 4 in the function s(m) = 5 + 4(m-1) represents the number of stamps Rudy adds to his collection every month. Therefore, the correct answer is d) Rudy adds 4 more stamps to his collection every month.
In the given function, s(m), m represents the number of months Rudy has been collecting stamps. The expression (m-1) represents the number of months minus one, indicating that the calculation starts from the second month. The coefficient 4 represents the number of additional stamps Rudy adds to his collection each month. For example, if we substitute m = 2 into the function, we get s(2) = 5 + 4(2-1) = 5 + 4(1) = 9. This means that after the second month, Rudy's collection would have 9 stamps in total, indicating the addition of 4 more stamps. Therefore, the value 4 in the given function represents the number of stamps Rudy adds to his collection every month.
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