Answer:
yea i can help
Step-by-step explanation:
Answer:
MN = 20
QR = 80
PR = 100
AB = 76
You have $50 in your account. including tax, you need to save $228.75 more to buy new athletic shoes. if you save $20 a week, how many more weeks will it take you to save for the new shoes?
In linear equation, 11 Weeks will it take you to save for the new shoes.
What in mathematics is a linear equation?
A linear equation is a first-order (linear) term plus a constant in the algebraic form y=mx+b, where m is the slope and b is the y-intercept. Sometimes, the aforementioned is referred to as a "linear equation of two variables," where x and y are the variables.you need to save = $228.75/20
= 11.4375
11 Weeks will it take you to save for the new shoes.
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A friend of ours takes the bus five days per week to her job. The five waiting times until she can board the bus are a random sample from a uniform distribution on the interval from 0 to 10 min. Determine the pdf and then the expected value of the largest of the five waiting times.
The probability density function (pdf) of the largest of the five waiting times is given by: f(x) = 4/10^5 * x^4, where x is a real number between 0 and 10. The expected value of the largest of the five waiting times is 8.33 minutes.
The pdf of the largest of the five waiting times can be found by considering the order statistics of the waiting times. The order statistics are the values of the waiting times sorted from smallest to largest.
In this case, the order statistics are X1, X2, X3, X4, and X5. The largest of the five waiting times is X5.
The pdf of X5 can be found by considering the cumulative distribution function (cdf) of X5. The cdf of X5 is given by: F(x) = (x/10)^5
where x is a real number between 0 and 10. The pdf of X5 can be found by differentiating the cdf of X5. This gives: f(x) = 4/10^5 * x^4
The expected value of X5 can be found by integrating the pdf of X5 from 0 to 10. This gives: E[X5] = ∫_0^10 4/10^5 * x^4 dx = 8.33
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f(x) = 5x + 4. Find the inverse of f(x).
O A. f-'(x) = 54
O B. f '(x) = 4 - 50
O c. f-1(x) = 225
OD. f(3) = 5.2 - 4
Answer:( x ) = 5 x 3 - 4 .
Step-by-step explanation:
please help and fast!
Help ASAP. I will give brainliest
Answer:
Step-by-step explanation:
Hope this helps u !!
How do I convert kilometers to miles?
To convert kilometers to miles, you will need to multiply the number of kilometers by a conversion factor.
Converting kilometers to miles is a common unit conversion that can be done easily with a simple formula. Kilometers (km) and miles (mi) are both units of length or distance, but they are used in different countries and contexts.
Identify the number of kilometers you want to convert. For example, let's say you have 10 kilometers. Use the conversion factor of 0.621371 to convert kilometers to miles. This factor represents the number of miles in one kilometer. Multiply the number of kilometers by the conversion factor. In this example, 10 km * 0.621371 = 6.21371 miles.
Round the result to the desired number of decimal places, if necessary. So, to summarize, the formula for converting kilometers to miles is: miles = kilometers * 0.621371. With this formula, you can easily convert any number of kilometers to miles, whether you're working with large distances or small ones.
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Determine the savings for each group price. Both the unit price and the group price
are given: 1 bookshelf for $14.95 or 6 for $85.00
By taking a difference, we will see that you can save $4.70 if you buy the pack.
How to find the savings on the group price?To find the savings, we need to take the difference between the cost of the 6 times the cost of 1 bookshelf, and the cost of the 6 bookshelves.
The cost of 1 bookshelf is $14.95, and the cost of 6 together is $85.00, then the savings is given by:
S = 6*$14.95 - $85.00
S = $89.70 - $85.00
S = $4.70
You save $4.70 in total if you buy the pack.
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please help! need answers in order to move on:) will give brainliest if you are correct!
Answer:
1) \(x^{2/3}\)
\(3\) → index
\(\sqrt[3]{x^{2} }\)
\(Index: 3\)
----------------
2) \(7^{5/4}\)
\(=\sqrt[4]{7^{5} }\)
\(=(\sqrt[4]{7})^{5}\)
----------------
3) \(\sqrt[7]{2^{3} }\)
\(=(2^{3} )^{1/7}\) \([\sqrt[x]{n} =n^{1/n} ]\)
\(=2^{3/7}\)
----------------
3) \(\sqrt[12]{8^{4} }\)
\(y=(8^{4} )^{1/12}\)
\(y=(8)^{1/3}\)
\(y=(2)^{3\times 1/3}\)
\(y=2\)
------------------
4) \(128^{3/7}\)
\(=\sqrt[7]{2\times 2\times2\times 2\times 2\times2\times 2}\)
\(=(2)^{3}\)
\(=8\)
----------------------
OAmalOHopeO
plz help me... I'll mark barinlist.
Answer:
I'm pretty sure it's opposite if I'm wrong just tell me
Opposite, because this would be the result of a reflection over the y-axis
If the number of bacteria on the surface of your phone triples every hour and can be described by the exponential function: f(x)=1000x3^x
, complete the table of values to show how much bacteria is on your phone after 4 hours.
Answer: 81,000
Step-by-step explanation:
We can solve this by using the formula given.
If f(1)=1000x3^1, then 1,000x3=3,000
If f(2)=1000x3^2, then 3^2=9 and 1000x9=9000,
and so on,
Now, f(4) will equal 1000x3^4, and 3^4 is 3x3x3x3, which is 9x9 or 9^2, which would be equal to 81, and 81x1000=81,000
To complete the table of values for the exponential function f(x) = 1000*3^x, we can evaluate the function for x = 0, 1, 2, 3, and 4, since we are interested in the number of bacteria on the phone after 4 hours.
x f(x)
0 1000
1 3000
2 9000
3 27,000
4 81,000
Therefore, after 4 hours, there will be 81,000 bacteria on the surface of the phone, assuming the number of bacteria triples every hour and can be described by the exponential function f(x) = 1000*3^x.
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pls help ill mark brainliest
Answer:
The answer is B. No only Zack will finish.
Step-by-step explanation:
((PLEASEEE HELPP MEE))
The elimination method is ideal for solving this system of equations. By which number must you multiply the second equation to eliminate the y-variable, and what is the solution for this system?
x + 3y = 42
2x=y= 14
A.) Multiply the second equation by-3. The solution is x = 12, y=9.
B.) Multiply the second equation by -2. The solution is = 12. y=10.
C.) Multiply the second equation by 2. The solution is x= 15, y=9.
D.) Multiply the second equation by 3. The solution is x= 12 y= 10.
Answer:
D.
Step-by-step explanation:
In order to eliminate, the numbers must eliminate. If the second equation is multiplied by 3, then the 3 and the -3 can be eliminated. Since it is multiple choice, we can plug in x = 12 and y = 10 to see if they are correct. 12 + 30 = 42 and 24 - 10 = 14, so D is correct.
If a target population is defined as all 2,134 pickup truck owners residing in Tippecanoe County, then:a. asking only owners listed in the telephone directory would be an example of a statistical frame.b. asking 100 owners their attitude toward a new truck style would be an example of a consensus.c. asking all owners their attitude toward a new design would be an example of universal testing.d. asking 80 owners their attitude toward a new design would be an example of a sample.
d. asking 80 owners their attitude toward a new design would be an example of a sample would be the correct answer as per statistical frame.
A statistical frame refers to a list or sampling method used to select individuals from a population for inclusion in a study. Therefore, option a is incorrect because only using the telephone directory as a sampling method would not represent the entire population.
Option b, asking 100 owners their attitude toward a new truck style, is an example of a sample because it only represents a subset of the population.
Option c, asking all owners their attitude toward a new design, would be an example of universal testing if it were possible to test every single pickup truck owner in the target population. However, this is often not feasible due to time and resource constraints.
Option d is the correct answer because it involves selecting a smaller subset of the population (80 owners) to represent the entire population in the study. This is a common approach to research when it is not feasible or practical to test the entire population.
d. asking 80 owners their attitude toward a new design would be an example of a sample.
In this scenario, the target population consists of all 2,134 pickup truck owners in Tippecanoe County. When you ask only 80 owners about their attitude towards a new design, you are collecting data from a smaller group within the target population. This smaller group is called a "sample." The terms "statistical frame" and "universal testing" are not applicable to this example, as they refer to different aspects of data collection.
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Help pls I'm gonna be screwed if you don't get this pls pls pls anyone who knows math well pls help me I'm gonna cry it's over due please:( :(
Just last two please
Answer:
WRONG ALL
Step-by-step explanation:
3. Should be:
\( - 4 \frac{7}{8} \times \frac{2}{3} \\ \\ - \frac{39}{8} \times \frac{2}{3} \\ \\ \frac{ -13}{4} \)
4. Should be:
\( - 3 \frac{1}{5} + - \frac{2}{3} \\ \\ - 3 \frac{3}{15} - \frac{10}{15} \\ \\ - 3 \frac{7}{15} \)
I hope this helps you :)
The midpoint of AB is M(3,-2). If the coordinates of A are (8, 4), what are the
coordinates of B?
The coordinate of B is (2,-8).
What is coordinate geometry?A coordinate plane is a 2D plane that is formed by the intersection of two perpendicular lines known as the x-axis and y-axis. A coordinate system in geometry is a method for determining the positions of the points by using one or more numbers or coordinates.
A midpoint is a point that lies on a line connecting two other locations and is in the middle of the line. Given that the midpoint of AB is M(3,-2) and the coordinates of A are (8, 4).
The midpoint will be calculated by using the formula below:-
\(\frac{8+x}{2}\) = 3
8 + x = 6
x = -8 + 6 = -2
x = -2
Similarly for y
\(\frac{4+y}{2}\) = -2
4 + y = -4
y = -8
Hence, The coordinates of the point B will be (-2,-8).
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How do I answer the question?
The value of n for the given exponential function is 5/2.
Exponential function:
Exponential function means the function in the form f (x) = aˣ, where “x” is a variable and “a” is a constant which is called the base of the function and it should be greater than 0.
Given,
Here we have the exponential function (√7)⁵ = 7ⁿ
Now, we need to find the value of n.
Based on the rule of exponent, we have written the square as 1/2, like the following,
√7 = \(7^{\frac{1}{2}}\)
So, when we apply these on the given expression then we get,
(√7)⁵ = \((7^{\frac{1}{2}})^5\)
Now, we have to multiply both values on the power then we get,
=> \((7^{\frac{5}{2}})\)
When we equate this with the RHS, then we get the value of n as,
\(= > (7^{\frac{5}{2}})=7^n\)
Therefore, the value of n is 5/2.
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given tannen's perspective on gender differences in communication, what would you expect to find regarding salary negotiation and gender
Given tannen's perspective on gender differences in communication, Men far more than women negotiate for higher starting salaries because salary is a sign of status. So, correct option is C.
Based on Tannen's perspective on gender differences in communication, it is likely that you would find that men negotiate for higher starting salaries far more than women because salary is a sign of status.
Tannen argues that men are socialized to use language as a way to establish and maintain their status in society, and negotiating for a higher salary is one way for men to assert their status.
Women, on the other hand, are socialized to use language as a way to build and maintain relationships, and negotiating for a higher salary may be perceived as aggressive or confrontational, which goes against societal expectations for women's communication style.
Therefore, option (c) is the most likely answer.
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Complete question is:
Given tannen's perspective on gender differences in communication, what would you expect to find regarding salary negotiation and gender
answer choices:
a. Women negotiate for higher starting salaries far more than men because they wish to prove their worth
b. Men and women negotiate for higher starting salaries about equally
c. Men far more than women negotiate for higher starting salaries because salary is a sign of status
d. None of the above is true
If $500 was earned on $10,000 total worth of sales, then the commission rate is:
If a number is chosen at random from the numbers 1 to
20 inclusive, what is the probability that a single-digit
number will be picked? ( give your answer in simplified
fractions eg. 2/5 when necessary)
Answer:
1/20
Step-by-step explanation:
only a single number can be chosen out of 20. And 1/20 is the most simplified it can get.
If LM = 9, MN = 6x, and LN = 9x, what is LN?
Given
LM = 9, MN = 6x, and LN = 9x
Find
LN
Explanation
as we see LN = LM + MN
so ,
\(\begin{gathered} 9+6x=9x \\ 9=9x-6x \\ 9=3x \\ x=3 \end{gathered}\)so , LN = 9x = 9 * 3 = 27
Final Answer
Therefore , the length of LN is 27
A bakery offers a sale price of 2.55 for 4 muffins.what is the price per dozen?
I hope someone answers fast
And explain what you did
Answer: $7.65 for a dozen/12
Step-by-step explanation: 2.55 x 3
A right rectangular prism is shown. Point S and point T are each located at a vertex of the prism.What is the distance between points S and T to the nearest centimeter?
The formula for a right rectangular prism's diagonal length is √(l² + w² + h²) units. The distance between points S and T to the nearest centimeter is 16 cm.
What is the distance between points S and T to the nearest centimeter?To calculate the distance between points S and T, we must apply the Pythagorean theorem, which implies that the sum of the squares of the lengths of the legs (the two shorter sides) in a right triangle equals the square of the length of the hypotenuse (the longest side).
Because points S and T are in opposite corners of the rectangular prism, the shortest path between them will be along the prism's sides.
Now we will label the dimensions of the rectangular prism as follows:
length (L) = 6 cm
width (W) = 8 cm
height (H) = 12 cm
Using the Pythagorean theorem, we can find the distance between points S and T as follows:
distance = \(\sqrt{(W^2 + H^2 + L^2)}\)
distance = \(\sqrt{(8^2 + 12^2 + 6^2)}\)
distance = \(\sqrt{(64 + 144 + 36)}\)
distance = \(\sqrt{244}\)
distance ≈ 15.62 cm
Therefore, the distance between points S and T to the nearest centimeter is 16 cm.
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find the 30th and 75th percentiles for these 16 numbers
38, 46, 42, 37, 45, 42, 54, 39, 41, 52, 62, 63, 55, 69, 49,
33
The 75th percentile is approximately 53.5 is the answer.
To find the 30th and 75th percentiles for the given set of numbers, we first need to arrange them in ascending order:
33, 37, 38, 39, 41, 42, 42, 45, 46, 49, 52, 54, 55, 62, 63, 69
To find the 30th percentile, we calculate the index corresponding to that percentile:
Index = (30/100) * (16 + 1) = 4.8
Since the index is not a whole number, we need to interpolate between the values at the 4th and 5th positions to find the 30th percentile.
30th Percentile = 39 + (0.8 * (41 - 39)) = 39 + (0.8 * 2) = 39 + 1.6 = 40.6
Therefore, the 30th percentile is approximately 40.6.
To find the 75th percentile, we calculate the index corresponding to that percentile:
Index = (75/100) * (16 + 1) = 12.75
Again, since the index is not a whole number, we interpolate between the values at the 12th and 13th positions to find the 75th percentile.
75th Percentile = 52 + (0.75 * (54 - 52)) = 52 + (0.75 * 2) = 52 + 1.5 = 53.5
Therefore, the 75th percentile is approximately 53.5.
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Jocelyn is pregnant and needs to eat at least 500 more calories a day than usual. when buying groceries one day with a
budget of $15 for the extra food, she buys bananas that have 90 calories each and chocolate granola bars that have 150
calories each. the bananas cost $0. 35 each and the granola bars cost $2. 50 each.
Find the common ratio of the geometric sequence
17, -34, -68, ...
The common ratio of the geometric sequence will be negative 2.
Given that:
Geometric sequence: 17, -34, -68, .....
A series of non-zero integers where every term after the first is obtained by increasing the one before it by a constant, non-zero value known as the scale factor.
Let a₁ be the first term and r be the common ratio. Then the nth term of the geometric sequence is given as,
aₙ = a₁ · (r)ⁿ⁻¹
The common ratio of the geometric sequence is calculated as,
r = (-34) / (17)
r = - 2
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Show that E[
β
^
0
=β
0
. (Hint:
Y
ˉ
=β
0
+β
1
X
ˉ
+
ε
ˉ
, where
ε
ˉ
=
n
1
∑ε
i
.)
The expected value of the estimator equals the true parameter.
What is the condition for the estimator to be unbiased?The estimator is calculated as the intercept of the linear regression model.
It represents the average difference between the predicted values and the actual values of the dependent variable, given a fixed value of the independent variable.
If the estimator is unbiased, the expected value will be equal to the true parameter. .
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Can some one help me with this urgent?
Hotel Nights Price (in dollars)
A 3 192
B 5 300
C 7 455
Which hotel costs the least per night?
A population of 6000 bacteria is growing at a rate of 6% each day. Write 2 an equation that expresses the number of bacteria at time x.
A. y = 6000(.06)×
B. y = 6000(1.06)×
C. y = 6000(.94)×
Answer: B. y = 6000(1.06)×
Step-by-step explanation: If it is growing at six percent (0.06) each day then you must also account for the amount that is already there (1).
evaluate lim x tends to 0 (9^x+(9^-x) -2)/x^2
Answer:
= (ln(9))^2 = 4(ln(3))^2 = 4.8278
Step-by-step explanation:
Using L'hopital Theorem
Defrentiante the numerator and denominator twice each by its self.
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Translate each of these quantifications into English and determine its truth value.
a) ∀x∈R (x2 = −1)
b) ∃x∈Z (x2 = 2)
c) ∀x∈Z (x2 > 0)
d) ∃x∈R (x2 = x)
Truth values (a) False (b) False (c) False (d) True
Here is the translation of these quantifications into English and determine its truth value. a) ∀x∈R (x^2 = -1)
Translation: For all x belonging to the set of real numbers, x squared equals -1.
Truth value: False. No real number squared can equal a negative value.
b) ∃x∈Z (x^2 = 2)
Translation: There exists an x belonging to the set of integers such that x squared equals 2.
Truth value: False. No integer squared can equal 2.
c) ∀x∈Z (x^2 > 0)
Translation: For all x belonging to the set of integers, x squared is greater than 0.
Truth value: False. When x equals 0 (x=0), x squared equals 0, which is not greater than 0.
d) ∃x∈R (x^2 = x)
Translation: There exists an x belonging to the set of real numbers such that x squared equals x.
Truth value: True. There are two real numbers that satisfy this condition: x=0 and x=1.
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