Answer:
okay pls
spelling
is
wrong
100 points, brainliest, and multiple choice!!!!!!!!
Answer:
5-0 =15 by using shuvam theorY
In the upcoming election for governor, the most recent poll, based on 900 respondents, predicts that the incumbent will be reelected with 55 percent of the votes. What is σrhoˆ? .00825 .0166 .0247 .0003
Answer:
Option B is correct.
0.0166 is correct.
Step-by-step explanation:
The σrho is the standard error of the sample proportion and it is given as
σₓ = = √[p(1-p)/n]
where p = sample proportion = 55% = 0.55
n = sample size = 900
σₓ = = √(0.55×0.45/900) = 0.016583124 = 0.0166 to 3 s.f.
Hope this Helps!!!
Which expression is not equivalent to (5^2x)^3
Answer:
#3
Step-by-step explanation:
For this... you just multiply the exponents together to get 6x
any of the others that do NOT have 6x as a product of exponents is not equiv ..... so #3 is not equivalent
Option 3 is not equivalent to the given expression.
What is an equivalent expression?Equivalent expressions are expressions that work the same even though they look different. If two algebraic expressions are equivalent, then the two expressions have the same value when we plug in the same value for the variable.
The given expression is (5²ˣ)³.
Now, (5⁶ˣ)
(5ˣ)⁶
(5²)³ˣ
Therefore, option 3 is not equivalent to the given expression.
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what are the major methods of recording unstructured observational data
The major methods of recording unstructured observational data are Narrative Description, Field Notes, Audio or Video Recording, Photography, Diagrams or Maps.
The major methods of recording unstructured observational data are:
1. Narrative Description: This method involves writing a detailed, chronological account of the observed events or behaviors, capturing the context and interactions as they occur naturally.
2. Field Notes: In this method, the observer takes brief, concise notes during the observation, focusing on key events, behaviors, or interactions. These notes can be expanded and organized later for further analysis.
3. Audio or Video Recording: Using audio or video equipment, the observer captures the events and interactions in their entirety. This allows for a more accurate record and the ability to review and analyze the data multiple times.
4. Photography: Taking photographs during the observation can provide a visual record of the events and behaviors. These images can supplement other data collection methods and help to illustrate specific aspects of the observation.
5. Diagrams or Maps: Drawing diagrams or maps of the observation setting can help capture the spatial relationships between individuals and objects, as well as the overall layout of the environment.
These methods can be used individually or in combination, depending on the research question and the specific needs of the study. Remember to always respect participants' privacy and obtain informed consent when necessary.
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Is √ 3x² 5y is a polynomial?
Answer: yes
Step-by-step explanation:
Samole
-45 + 60.5
What is the answer
Answer:
the answer is 15.5
Step-by-step explanation:
the answer is 15.5
Determine the difference quotient
f(x+h)−f(x)
h.
f(x)=7x2−6
The difference quotient for the function f(x) =\(7x^2 - 6\)is 14x + 7h.
Calculus uses the difference quotient, a mathematical concept, to determine the average rate of change of a function over a brief period. It is defined as the difference in the corresponding inputs at two points divided by the difference in the function values at those two positions. The difference quotient, a crucial component in derivative calculations, aids in approximating the instantaneous rate of change.
To find the difference quotient for the function f(x) = \(7x^2 - 6\), follow these steps:
1. Substitute (x+h) into the function for x: f(x+h) = 7(x+h)^2 - 6
2. Expand f(x+h): \(f(x+h) = 7(x^2 + 2xh + h^2) - 6\)
3. Distribute 7 to the terms inside the parenthesis: \(f(x+h) = 7x^2 + 14xh + 7h^2 - 6\)
4. Write out the difference quotient formula: (f(x+h) - f(x))/h
5. Plug in f(x+h) and f(x) into the formula: \((7x^2 + 14xh + 7h^2 - 6 - (7x^2 - 6))/h\)
6. Simplify the expression by removing the common terms \((7x^2 - 6): (14xh + 7h^2)/h\)
7. Factor out an 'h' from the numerator: h(14x + 7h)/h
8. Cancel the 'h' in the numerator and denominator: 14x + 7h
The difference quotient for f(x) = \(7x^2 - 6\)is 14x + 7h.
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You work in Social Media as a consultant. You are working on a new report to examine trends in Social Media usage and age. You conducted a survey of 1072 people randomly selected in the United States (you limited minimum age to 12). The file "Usagef.xlsx" has results of the survey. For each Social Media platform you have a 0/1 variable indicating whether or not the person said they used the platform in the last 6 months. For each of those variables, 1 means the person did use the platform in the last 6 months and 0 means they did not. You also have the age of each respondent calculated based on birth date (so 43.56 means the individual is 43.56 years old). There are two additional variables:
Young adult: 1=respondent is under 35; 0=respondent is 35 or over.
Platforms Used: The total number of Social Media platforms used in the last 6 months.
Please use this information and the data in the excel spreadsheet "Usagef.xlsx" to answer the following questions:
Assuming the sample is a random sample of the U.S. population, what is the upper bound of the 95% confidence interval for the average age in the U.S?
The upper bound of the 95% confidence interval for the average age in the U.S. is 48.29 years.
To determine the upper bound of the 95% confidence interval for the average age in the U.S., we can use the sample data from the survey. The sample size is 1072 people, randomly selected from the U.S. population, with a minimum age of 12. By calculating the average age of the respondents, we can estimate the average age of the entire U.S. population.
Using the given information that the average age of the respondents is 43.56 years, and assuming that the sample is representative of the population, we can calculate the standard error. The standard error measures the variability of the sample mean and indicates how much the sample mean might deviate from the population mean.
Using statistical methods, we can calculate the standard error and construct a confidence interval around the sample mean. The upper bound of the 95% confidence interval represents the highest plausible value for the population average age based on the sample data.
Therefore, based on the provided information and calculations, the upper bound of the 95% confidence interval for the average age in the U.S. is 48.29 years.
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Rearrange x=3g+2 to make g the subject
Step-by-step explanation:
Given
x = 3g + 2
Making g as a subject then
3g = x - 2
g = ( x - 2 ) / 3
Hope it will help :)❤
Answer:
g=(x-2)/3
Step-by-step explanation:
6 boys on the baseball team split 9 cupcakes after the game what fraction of the cupcakes did each boy get?
Answer:
2/3
Step-by-step explanation:
Structure: axioms quzlet axioms are statements about mathematics that require proof.
a) true
b) false
1 in 10,000 white tailed deer on the east coast of the united states carries the lyme disease bacteria. you randomly select a white-tailed deer from a population on the east coast. what is the probability that the deer you select carries the lyme disease bacteria?
The probability of selecting a white-tailed deer that carries the Lyme disease bacteria is 1 in 10,000, or 0.0001. This means that out of every 10,000 white-tailed deer on the east coast, only one is expected to carry the Lyme disease bacteria.
If we assume that each deer in the population has an equal chance of carrying the bacteria, then the probability of selecting a deer that carries the bacteria can be calculated using the formula for probability:
Probability = Number of desired outcomes / Total number of possible outcomes
In this case, the number of desired outcomes is one (since we want to select a deer that carries the bacteria), and the total number of possible outcomes is the total number of white-tailed deer in the population. Since we don't know the exact number of deer in the population, we can assume that it is very large, so we can use an approximation:
Probability ≈ 1 / (Very large number)
Therefore, the probability of selecting a white-tailed deer from the east coast population that carries the Lyme disease bacteria is very close to 0.0001 or 1 in 10,000.
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Find the most general antiderivative of the function. (Check your answer by differentiation. Use C for the constant of the antiderivative.)
f(x) = 5/2sqrt(x)+ 2 sec^2 x
The most general antiderivative of f(x) = (5/2)sqrt(x) + 2sec^2(x) is:
F(x) = (5/3)x^(3/2) + 2tan(x) + C
To find the most general antiderivative of the function f(x) = (5/2)sqrt(x) + 2sec^2(x), we can integrate each term separately.
The antiderivative of (5/2)sqrt(x) can be found using the power rule of integration. We add 1 to the exponent (1/2) and divide by the new exponent:
∫(5/2)sqrt(x) dx = (5/2) * (2/3)x^(3/2) + C = (5/3)x^(3/2) + C
The antiderivative of 2sec^2(x) can be found using the integral of the secant squared function, which is the tangent function:
∫2sec^2(x) dx = 2tan(x) + C
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PLEASE PLEASE HELP ME
Answer:
b
Step-by-step explanation:
9514 1404 393
Answer:
(B)
Step-by-step explanation:
x is on the left side of the < symbol, so the shaded portion of the line will be on the left side of the boundary dot.
The boundary dot is plotted at the constant, which is 1/2 = 2/4. That plot is shown in selection B.
_____
Additional comment
I like to write inequality solutions using the < or ≤ symbols because the relative positions of numbers and variables match their relative positions on the number line. In this problem, we have x < 1/2, so the shaded portion of the line is on the left of the boundary dot, just as x is on the left of 1/2 in the inequality.
A used automobile dealership recently reduced the price of a used compact car by 10%. If the price of the car before discount was $18,100, find the discount and the new price. The discount in price is $nothing. Thus, the new price is $nothing.
Answer:
Step-by-step explanation:
Your answer
New price = 16290
Discount = 1810
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KLMN is a rectangle. Solve for y.
Please help :)
Answer:
31
Step-by-step explanation:
i have no idea if that is right
9) EASY POINTS WILL GIVE BRAINLIST TO BEST ANSWERS
Micaela spend $9 on a if a magazine cost $3, then how much was each eraser?
EXPLAIN
Question 7 Translate into a mathematical expression: 15 more than the sum of 5 and a number a. 15+(5-n) b. (5+n)+15 c. (5-n) + 15 d. 15+5n
15 more than the sum of 5 and a number a, when translated into a mathematical expression will become b. (5 + n) + 15.
An algebraic expression is a mathematical expression that can contain numbers, variables, and operations.
An algebraic expression can represent a specific value for a given value of the variable, and can be used to describe mathematical relationships and solve equations.
Algebraic expressions can be simplified, added, subtracted, multiplied and divided.
Algebraic expressions can also be represented in different forms, such as polynomials, rational expressions, exponential expressions and logarithmic expressions.
"15 more than the sum of 5 and a number a" can be represented algebraically as:
15 + (5 + a)
or
(5 + a) + 15
which can also be simplified as
a + 20
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I don't know this question. Help.
Answer:
-60
Step-by-step explanation:
-3 · 2 = -6 and 10⁴ · 10⁻³ = 10⁽⁴⁺⁽⁻³⁾⁾ = 10¹ = 10 so the answer is -6 · 10 = -60.
I need help asap
Juane had $6.00, then spent $4.00. After one week he had earned 12 more dollars, but spent half of the total money she has. How much money does he have left?
also Can someone also please teach me how to make music using this website;
https://musiclab.chromeexperiments.com/Shared-Piano/#J_lgLdlzn
F(x)=2|x-3|+4 g(x)=2x^2-3x find (gof)(11)
The required value of the function of function (gof)(11) is 767.
What are functions?Functions are the relationship between sets of values. e g y=f(x), for every value of x there is its exists in a set of y. x is the independent variable while Y is the dependent variable.
Here,
Given functions,
F(x)=2|x-3|+4 and g(x)=2x²-3x
Now in order to calculate, (gof)(11) , put f(x) in g(x) then put x = 11,
(gof)(11) = 2(2|x-3|+4)²-3x
(gof)(11) = 2(2|11-3|+4)²-3× 11
(gof)(11) = 2(2× 8 + 4)² - 33
(gof)(11) = 767
Thus, the required value of the function of function (gof)(11) is 767.
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To join the tennis club, there is a $10.20
initial fee and a $3.90 yearly fee. What
would be the value of the slope in this
situation?
Use this space to write down notes or work through problems
Your teacher will see what you wrate.
Answer:
10.20
Step-by-step explanation:
Let
y = Total fee
Initial fee = $10.20
Yearly fee = $3.90
Number of years = x
The equation:
y = 3.90x + 10.20
Recall,
y = mx + c
Where,
x = slope
c = y - intercept
Therefore,
The y - intercept from y = 3.90x + 10.20 is 10.20
Which One Doesn't Belong?
1 ticket for $1.80
$9 buys 5 tickets
9 tickets for $15
10 prizes for $18
Answer:
9 tickets for $15
Step-by-step explanation:
9×1.80=16.20
Question
Subtract.
73 7/10 − 25 5/8
Enter your answer in the box as a mixed number in simplest form.
PLEASE HELP ASAP!!!!!!!!!!!!! WITH STEPS PLEASEEEEEE!!!!!!!!!!!!!
Given f(x) = x2 + 4x − 1, describe the new function g(x) = f(x + 4)
If function f(x) = \(x^2\) + 4x -1, then the value of g(x)= f(x+4) = \(x^2\) + 12x +31
The function is
f(x) = \(x^2\) + 4x -1
The function is the expression that represents the relationship between one variable and another variable. If one variable is dependent variable then the another variable is independent variable.
The value of g(x) = f(x+4)
First we have to find the value of f(x+4)
Substitute the values in the function
f(x) = \(x^2\) + 4x -1
f(x+4) = \((x+4)^2\) + 4(x+4) - 1
= \(x^2\) + 8x +16 + 4x+16 - 1
Rearrange the terms and combine the like terms
= \(x^2\) + 8x+4x + 16+16-1
= \(x^2\) + 12x +31
Hence, if function f(x) = \(x^2\) + 4x -1, then the value of g(x)= f(x+4) = \(x^2\) + 12x +31
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Find x, and GH.
X =
GH: =
34
7x + 6
4x + 8
By using given figure, x=9/4 and the length of GH = 21.75.
What is the length ?
Here, in given figure,
BG≈GF and CH≈HE
now by using these similarities, we can write as,
BG≈GF therfore, \(\frac{GF}{BG}\) = 1:1
\(\frac{GF}{BF}\)=\(\frac{4x+8}{34}\)
1/2=\(\frac{4x+8}{34}\)
8x+16=34
8x= 18
x=9/4
if x=9/4 then,
GH= 7x+6 = 7(9/4)+6 =63/4+6 =\(\frac{63+24}{4}\) = 21.75
What is similarity of sides?
similarity of sides refers to the property of two geometric shapes or figures having the same shape but not necessarily the same size. More specifically, two shapes are said to be similar if their corresponding angles are congruent and their corresponding sides are proportional in length.
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In a flower display, there are spaces for 3 plants. If there are 9 plant options, how many different ways can the plants be arranged? Hint: Are repeats allowed?
There are different consecutive ways that the flowers can be planted:
3,9,15,21 and so on.
Numbers that follow each other in a regular counting order or pattern are called consecutive numbers. They are written sequentially, where the difference between the numbers is fixed and no number in between is skipped.
Given that:
Roses plants in 1st, 2nd, row are:
3,9 ,.....
Since difference between consecutive terms is same:
It is an AP
We have to find number of row in the flower bed:
Lets assume there are n rows in the flowers bed.
We know that:
aₙ = a + (n-1)d
and d = 9-3 = 6
Therefore, the next numbers can be:
3,9,15 ,21 ......
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A van can ferry a maximum of 12 people. By setting up an inequality, find the maximum number of vans that are needed to ferry 80 people
By setting up an inequality, the maximum number of vans that are needed to ferry 80 people are 7 vans.
To find the maximum number of vans needed to ferry 80 people using the given terms, let's set up an inequality. Let's use the variable "v" to represent the number of vans.
Since a van can ferry a maximum of 12 people, we can write the inequality as:
12v ≥ 80
Now, let's solve for "v":
Divide both sides of the inequality by 12.
v ≥ 80/12
Simplify the inequality.
v ≥ 6.67
Since we cannot have a fraction of a van, we need to round up to the nearest whole number:
v ≥ 7
Therefore, the maximum number of vans needed to ferry 80 people is 7 vans.
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write an equation of the function in the form y=a(b)^x -c that has a y intercept of -6, asymptote of y= -2 and goes through (2,-18)
Step-by-step explanation:
Asymptote: y = 2 y-intercept: (0,8)
Step-by-step explanation:
The given function is
f(x) = 6(0.5)^{x} + 2f(x)=6(0.5)
x
+2
This function is of the form:
f(x) = a {b}^{x} + cf(x)=ab
x
+c
where y=c is the horizontal asymptote.
By comparing , we have c=2 hence the horizontal asymptote is
y = 2y=2
To find the y-intercept, we put x=0 into the function to get:
f(0) = 6(0.5)^{0} + 2 = 6 + 2 = 8f(0)=6(0.5)
0
+2=6+2=8
Therefore the y-intercept is (0,8).
which one is stronger: rectangular wire vs round
which one is stronger: beam vs cantilever
When comparing the strength of a rectangular wire versus a round wire, the rectangular wire is typically stronger. This is due to the fact that the rectangular wire has a larger cross-sectional area, which contributes to its overall strength. The rectangular wire's wider and flatter shape allows it to withstand greater force before deforming, making it more suitable for heavy loads and high-stress applications.
In terms of beams versus cantilevers, it is essential to understand the differences between these two structural elements. A beam is a horizontal structural member that is supported at both ends, while a cantilever is a horizontal structural member that is supported only at one end. Beams and cantilevers are used in various applications, such as bridges and buildings.
In general, a beam is stronger than a cantilever, as it has support at both ends, distributing the load more evenly across its length. This means that beams can carry more weight and are less likely to experience deformation or failure when compared to cantilevers. Cantilevers, on the other hand, have a single support, resulting in a higher concentration of stress at the fixed end. This makes cantilevers more susceptible to bending and deflection under heavy loads.
In summary, rectangular wires are typically stronger than round wires, and beams are stronger than cantilevers. Rectangular wires have a larger cross-sectional area, providing greater strength, while beams have support at both ends, allowing them to carry more weight without deforming.
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