Answer:
I belive it is g=1/2
Step-by-step explanation:
what happens when u have choice between 6n-1=4n-5
Answer:
n=-2
Step-by-step explanation:
6n-1=4n-5
6n-4n=2n
2n-1=-5
-5+1=-4
2n=-4
-4/2=n
-2=n
tip:its not what you will chose from, its what number will make each side equal to each other
Hello I hope you are doing well . i have a question lease could you answer it with the explication thanks:
this is the question
10+10(x+3)=
\,\,-x-10(-x+1)
−x−10(−x+1)
The sοlutiοn tο the equatiοn is x=7.
What is Equatiοn?An equatiοn is an expressiοn that uses mathematical symbοls tο express the relatiοnship between twο οr mοre variables. Equatiοns are used tο describe physical laws, mοdel real-wοrld prοblems, and sοlve mathematical prοblems. Equatiοns can be written in a variety οf fοrms, frοm simple linear equatiοns tο cοmplex nοnlinear equatiοns. Equatiοns can alsο be used tο determine the prοperties οf certain functiοns and tο evaluate integrals.
Sοlving fοr x,
−10(−x+1)+10+10(x+3)=0
−10x+10−10x+10+100+30=0
−20x+140=0
20x=140
x=7
This equatiοn is an example οf a linear equatiοn. Linear equatiοns are equatiοns that invοlve οnly οne variable and can be represented in the fοrm ax + b = 0, where x is the variable and a and b are cοnstants. Linear equatiοns are useful fοr understanding the relatiοnship between different variables and can be used tο sοlve real-wοrld prοblems. In this equatiοn, the variable x is the unknοwn value that we are trying tο sοlve fοr. By rearranging the equatiοn and applying the apprοpriate algebraic οperatiοns, we were able tο sοlve fοr x. This is an example οf hοw linear equatiοns can be used tο sοlve real-wοrld prοblems.
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Solve for x in given expression.
10 + 10(x + 3) = −x −10(−x + 1)
What is the MEAN of the data set below?(0.2,0.8,0.4,0.3,0.4,0.4,0.4,0.8,1.3)
Answer:
5/9
Step-by-step explanation:
we add all of the values and divide by the total number in this case 9, all of them add to make 5 so we do 5÷9 to get 5/9
A circle has an arc with a measure of 120 degrees and a lenght of 3π cm. What is the diameter of the circle
Answer:
9 cm
Step-by-step explanation:
Arc length = θ/360 × 2πr
A circle has an arc with a measure of 120 degrees and a lenght of 3π cm. What is the diameter of the circle
Hence,
3π = 120/360 × 2πr
Diameter = 2r
3π = 1/3 × 2πr
Cross Multiply
9π = 2πr
2r = 9π/π
Note that :
Diameter = 2r
Hence,
Diameter = 9 cm
14. Simplify the expressions
a. 12 - 5y + 21 + y -23
Answer:
10 - 4y
Step-by-step explanation:
Combine like terms. 12, 21 and -23 add up to 10, and -5y + y is -4y.
Then, together, we have 10 - 4y (answer)
Answer:
\(\large\boxed{10 - 4y}\)
Step-by-step explanation:
12 - 5y + 21 + y - 23
Combine like terms (add -5y to + y)
12 + 21 - 4y - 23
Add 12 + 21
33 - 4y - 23
Subtract 23 from 33
\(\large\boxed{10 - 4y}\)
This is the simplest form of the expression.
Hope this helps :)
Replace ∗ with a monomial so that the derived equality will be an identity
1. ( * +3b)²=a²+6ab+9b²
Please find attached photograph. The monomial is a.
504 divided by 83 please help
Answer:
6.07
Step-by-step explanation:
Answer:
6.072289157
(6.07 rounded up)
Hope this helps!
What is the reliability factor based on the t-distribution for a 97onfidence interval and a sample size of 35? round your answer to two places
To determine the reliability factor based on the t-distribution for a 97% confidence interval and a sample size of 35, we need to find the critical value associated with a two-tailed test.
Since the confidence level is 97%, we can find the significance level (α) by subtracting the confidence level from 1:
α = 1 - 0.97 = 0.03
Since it's a two-tailed test, we divide the significance level by 2 to find each tail's area:
α/2 = 0.03/2 = 0.015
With a sample size of 35, we have n - 1 degrees of freedom, which is 35 - 1 = 34.
Now, we can look up the critical value in the t-distribution table or use statistical software to find the value associated with a 0.015 area in the tails, with 34 degrees of freedom.
Using the t-distribution table or a calculator, the reliability factor for a 97% confidence interval and a sample size of 35 is approximately 2.4049 (rounded to four decimal places). When rounded to two decimal places as requested, the reliability factor is 2.40.
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Work out an estimate for the mean time some people spent mowing their lawn
The mean time some people spent mowing their lawn is 1.01
Mean
Mean refers the average of the given numbers and is calculated by dividing the sum of given numbers by the total number of numbers.
Given,
Here we have the table of data.
Now, we need to estimate for the mean time some people spent mowing their lawn.
According to the given problem, the mean is calculated for each time interval, then we get,
For the time period 0 ≤ t < 10, then the mean is,
=> 3/(3 + 11 + 14 + 2)
=> 3/30
=> 0.1
For the time period 10 ≤ t < 20, then the mean is,
=> 11/(3 + 11 + 14 + 2)
=> 11/30
=> 0.37
For the time period 20 ≤ t < 40, then the mean is,
=> 14/(3 + 11 + 14 + 2)
=> 14/30
=> 0.47
For the time period 40 ≤ t < 60, then the mean is,
=> 2/(3 + 11 + 14 + 2)
=> 2/30
=> 0.07
So, the mean time is obtained by adding the values,
=> (0.1 + 0.37 + 0.47 + 0.07)
=> 1.01
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8) A plum grower finds that if she plants 26 trees per acre, each tree will yield 126 bushels of plums. She also estimates that for each additional tree that she plants per acre, the yield of each tree will decrease by 2 bushels. How many trees should she plant per acre to maximize her harvest and what is the maximum harvest?
The grower should plant 59 trees per acre to maximize her harvest, and the maximum harvest she can achieve is approximately 3540 bushels.
To determine the number of trees the plum grower should plant per acre to maximize her harvest, we can set up an equation and use calculus to find the optimal solution. Let's denote the number of additional trees planted as x.
The yield of each tree can be represented by the equation:
Yield = 126 - 2x
The total yield per acre is then given by:
Total Yield = (26 + x) * (126 - 2x)
To maximize the harvest, we need to find the value of x that maximizes the total yield. We can achieve this by finding the maximum point of the quadratic equation representing the total yield.
Differentiating the equation with respect to x and setting it equal to zero, we can find the critical point:
d(Total Yield)/dx = -4x + 252 - 2(26 + x) = 0
Simplifying the equation, we get:
-4x + 252 - 52 - 2x = 0
-6x + 200 = 0
x = 200/6
x ≈ 33.33
Since we cannot have a fraction of a tree, the grower should plant 33 additional trees per acre to maximize her harvest. This gives a total of 26 + 33 = 59 trees per acre.
To find the maximum harvest, we substitute the value of x into the equation for the total yield:
Total Yield = (26 + 33) * (126 - 2 * 33)
Total Yield ≈ 59 * 60
Total Yield ≈ 3540 bushels
Therefore, the grower should plant 59 trees per acre to maximize her harvest, and the maximum harvest she can achieve is approximately 3540 bushels.
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can you please tell me how to do this ? I don't get it.
Answer:
image 1 is a point. Image 2 is a line . image 3 is a line . image 4 is a segment . image 5 is a ray . image 6 is a plane . image 7 is a plane .
Step-by-step explanation:
a plane is named by an italicized letter and has 3 non collinear points. Its infinite .
A point is a dot.
a line has no end its infinite .
A segment has two endpoints and isnt infinite.
A ray has one endpoint and goes infinte in one direction only .
A textile manufacturing process finds that on average, two flaws occur per every 50 yards of material produced. a. What is the probability of exactly two flaws in a 50-yard piece of material
The probability of exactly two flaws in a 50-yard piece of material is approximately 0.2706 or 27.06%.
In order to determine the probability of exactly two flaws in a 50-yard piece of material, we will use the Poisson distribution formula.
The Poisson distribution is used to calculate the probability of a given number of events occurring in a fixed interval of time or space when these events happen independently of each other and at an average rate.
To find the probability of exactly two flaws in a 50-yard piece of material, we will use the following formula:
P(X = k) = (e^(-λ) * λ^k) / k!
Where: P(X = k) is the probability of k flaws occurring in a 50-yard piece of material
λ = the average rate of flaws per unit of material (in this case, 50 yards)
k = the number of flaws we want to calculate is the mathematical constant ≈ 2.71828...
k! is the factorial of k, which is the product of all positive integers up to k
Let's plug in the values we have for this problem:
P(X = 2) = (e^(-λ) * λ^2) / 2!
λ = 2 flaws per 50 yards of material produced = 2/50 = 0.04 flaws per yard.
Therefore, the average number of flaws in a 50-yard piece of material is:
λ = 0.04 * 50 = 2e is a mathematical constant that equals ≈ 2.71828...
Then, let's plug in these values into the formula:
P(X = 2) = (e^(-2) * 2^2) / 2!P(X = 2) = (0.1353 * 4) / 2P(X = 2) = 0.2706
The probability of exactly two flaws occurring in a 50-yard piece of material is 0.2706 or approximately 27.06%.
Therefore, the probability of exactly two flaws in a 50-yard piece of material is approximately 0.2706 or 27.06%.
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Write an equation of a line with slope 7 passing through the point (-1, 3)
Anyone?
Answer:
y - y1 = m(x - x1)
y-3=7( x - (- 1)
y - 3 = 7(x + 1)
y = 7x + 7 + 3
y = 7x + 10✨
Step-by-step explanation:
A poll is being taken on Wednesday to predict which movie will be the most popular at the city’s movie theaters the next weekend: an animated movie, an action movie, or a romantic comedy. Which group would best represent a sample population?
Every fifth person coming out of the high school.
Every fifth person in the mall’s food court at lunchtime.
Every fifth person coming out of the downtown grocery store at different times throughout the day.
Every fifth person walking down the street in several different locations throughout town at different times of day.
The group that would best represent the sample population is; D: Every fifth person walking down the street in several different locations..
What is the Sample Population?A sample population is simply a subset of the main population. Now, in this question we see that a poll is being taken on Wednesday to predict which movie will be the most popular at the city’s movie theaters the next weekend.
Now, since we are looking for sample population, the one that will best represent it will be Option D. This is because - Different locations through out the city at Different time has maximum randomness.
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Lola already has 6 pennies, and she plans to save more. In her first week of saving pennies, she will save twice the
number of pennies that she already has. Each week after, she will save twice the number of pennies as the previous
week.
Which equation can be used to determine the number of pennies, p, Lola will save during week w of saving pennies?
Answer:
c
Step-by-step explanation:
8.8+( 1/5 x5 + 2.6)
= A: 7.1
B: 39.1
C:12.4
D:16.3
Answer:
2.4
Step-by-step explanation:
hope this helps
What is the sum of
of 6 3/5+5 1/7
PLEASE HELP URGENT!!!
Darcy keeps $5,000 in a bank account that does
not earn any interest. Every week, she
withdraws 10 percent of the money in the
account for spending. To the nearest cent, how
much has she withdrawn in total after 8 weeks?
A) $2,610.78
B) $2,638.05
C) $2,755.28
D) $2,847.66
Answer:
Amount withdrawal = $2,847.66 (Approx)
Step-by-step explanation:
Given:
Amount deposit = $5,000
Withdraws percent = 10 % = 0.1
Number of weeks = 8
Find:
Amount withdrawal
Computation:
Amount withdrawal = 5,000[1-(0.1)⁸]
Amount withdrawal = 5,000[0.56953279]
Amount withdrawal = $2,847.66 (Approx)
Consider the function f(x) = x2 - 4x + 8 on the interval 0, 4. Verify that this function satisfies the three hypotheses of Rolle's Theorem on the inverval f(x) is f(x) is and f(0) on [0, 4] on (0, 4) f(4) Then by Rolle's theorem, there exists at least one value c such that f'(c) = 0. Find all such values c and enter them as a comma-separated list. Values of c =: (1 point) Consider the function graphed below. P n ? Does this function satisfy the hypotheses of the Mean Value Theorem on the interval a, b ? Does it satisfy the conclusion?? f(b) f(a)2 At what point c is f'(c) b - a
Verifying that this function satisfies the three hypotheses of Rolle's Theorem on the inverval f(x) is f(x) is and f(0) on [0, 4] on (0, 4) f(4) Then by Rolle's theorem, there exists at least one value c = 2 such that f'(c) = 0.
Given:
Consider the function f(x) = x2 - 4x + 8 on the interval 0, 4. Verify that this function satisfies the three hypotheses of Rolle's Theorem on the inverval f(x) is f(x) is and f(0) on [0, 4] on (0, 4) f(4) Then by Rolle's theorem, there exists at least one value c such that f'(c) = 0.
f(x)=x^2−4x+8, [0,4]
when, x = 0
f(x) = x^2 -4x +8
f(0) = y = 0 - 0 + 8 = 8
when, x=4
f(5) = y = 16 - 16+8 =
thus, we have 2 points (0, 8) ; (4, 8)
slope,m = {8-(8)} / {4-0} = 0
hence, we have to calculate all the points,x where 0<x<8 and slope=0
f '(x) = 2x - 4 = 0
or, f '(c) = 2c - 4 = 0
c = 4/2 =2 ( 0<x<4)
hence, the there is only one solution c=2 which satisfies Rolle's theorem.
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consists of abnormal behaviors identical to those in schizophrenia that have persisted for at least 1 month but fewer than 6 months.
The description refers to the diagnosis of brief psychotic disorder, which consists of abnormal behaviors identical to those in schizophrenia lasting for at least 1 month but fewer than 6 months.
Brief psychotic disorder is a psychiatric diagnosis characterized by the presence of psychotic symptoms, such as hallucinations, delusions, disorganized thinking, or grossly disorganized or catatonic behavior. These symptoms are similar to those seen in schizophrenia, but the key distinction is that brief psychotic disorder lasts for a shorter duration, specifically between 1 month and 6 months.
During this period, individuals with brief psychotic disorder may experience a sudden onset of symptoms that significantly impact their thoughts, emotions, and behavior. However, unlike schizophrenia, the duration of symptoms in brief psychotic disorder is limited, typically resolving within a few weeks to a few months.
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Write a system of inequalities to represent this
situation.
The Washington family is hosting a cookout. They
decide to serve chicken and pork. They determine
that they will need at most 20 pounds of meat, and
they want to have at least twice as much chicken as
pork.
Answer:
c + p <= 20
2c >= p
Step-by-step explanation:
We can declare our variables as:
c = pounds of chicken
p = pounds of pork
The total meat can be expressed as c + p, and at most signifies that the family needs 20 pounds or less. Putting this together, one equation becomes c + p <= 20.
The family additionally wants at least 2 * c as p, which means that 2*c is greater than or equal to p, or 2c >= p.
hope this helps :)
What is the value of y in the equation 4+y=-3
Answer:
y=-7
Step-by-step explanation:
just simplify it
4+y=-3
y=-3-4
y=-7
Can you find the lengths and areas and type the correct code? Please remember to type in ALL CAPS with no spaces.
Answer:
Step-by-step explanation:
LENGTHS: P, Q, R
AREAS: A, B
CODE: PLRAQB
One of the worlds largest crocodiles weighed 38,400 ounces how many tons did the crocodile weigh
Answer: 1.2 tons
Step-by-step explanation:
Answer: 1,777
Step-by-step explanation:
Employees of a local university have been classified according to gender and job type. If an employee is selected at random, what is the probability that the employee is a member of the hourly staff, given that the employee is female?
Job Male Female
Faculty Member 55 5
Salaried Staff 15 25
Hourly Staff 30 20
The probability that the employee is a member of the hourly staff, given that the employee is female is 0.2 or 1/5.
We need to calculate the conditional probability of an employee being a member of the hourly staff given that the employee is female and all the employees of a local university have been classified according to gender and job type.
The given table is:
Job Male Female
Faculty Member 55 5
Salaried Staff 15 25
Hourly Staff 30 20
The total number of female employees is 5+25+20 = 50.
We are to find the probability of an employee being a member of the hourly staff given that the employee is female.
Mathematically, we can represent the above statement as:
P(Hourly staff | Female) = P(Hourly staff and Female) / P(Female)
Now,P(Hourly staff and Female) = 20/100 * 50 = 10P(Female) = 50/100
Therefore,P(Hourly staff | Female) = P(Hourly staff and Female) / P(Female)= 10 / 50= 1/5 = 0.2
Therefore, the probability that the employee is a member of the hourly staff, given that the employee is female is 0.2 or 1/5.
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A baby monitor picks up signals within 50 meter radius .how many square meters of coverage does the baby monitor provide
Answer:
15.24 square meters
Step-by-step explanation:
6p-9ps+4q-6qs
need help w this
Step-by-step explanation:
\(3p(2 - 3s) + 2q(2 - 3s) \\ (2 - 3s)(3p + 2q)\)
Let an = n+1/n+2 Find the smallest number M such that: Now use the limit definition to prove that lim n right arrow infintiy an = 1. That is, find the smallest value of M (in terms of t) such that |an - 1| < t for all n > M. (Note that we are using t instead of epsilon in the definition in order to allow you to enter your answer more easily). M = (Enter your answer as a function of t)
lim n -> infinity an = 1.
How to find the smallest value of M?To find the smallest value of M such that |an - 1| < t for all n > M, we can start by manipulating the inequality:
|an - 1| = |(n+1)/(n+2) - 1| = |n - 1| / |n + 2|
Since we want this expression to be less than t, we can write:
|n - 1| / |n + 2| < t
Multiplying both sides by |n + 2|, we get:
|n - 1| < t|n + 2|
We can split this inequality into two cases: n > 2 and n <= 2. For n > 2, we can drop the absolute values to get:
n - 1 < t(n + 2)
Expanding the right-hand side, we get:
n - 1 < tn + 2t
Solving for n, we get:
n > (1 - 2t) / (1 - t)
For n <= 2, we can drop the absolute values and reverse the inequality to get:
1 - n < t(n + 2)
Expanding the right-hand side, we get:
1 - n < tn + 2t
Solving for n, we get:
n > (1 - 2t) / (1 + t)
Therefore, the smallest value of M is the maximum of the values obtained from these two cases:
M = ceil(max((1 - 2t) / (1 - t), (1 - 2t) / (1 + t)))
Now, let's use the limit definition to prove that lim n -> infinity an = 1. We need to show that for any t > 0, there exists an integer N such that |an - 1| < t for all n > N.
Using the expression for an, we can write:
|an - 1| = |(n+1)/(n+2) - 1| = 1/(n+2)
Therefore, we need to find an integer N such that 1/(n+2) < t for all n > N. Solving for n, we get:
n > 1/t - 2
Therefore, we can choose N = ceil(1/t - 2) + 1. Then for any n > N, we have:
n > 1/t - 2
n + 2 > 1/t
1/(n+2) < t
Therefore, lim n -> infinity an = 1.
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What is sextillion divided by nonmillion times 10,000 minus 200 million plus 5000.
The answer to this arithmetic expression is approximately 9.9998 x 10¹⁸
Define the term expression?A combination of numbers, variables, and operators that represents a quantity or mathematical relationship is called an expression.
First, divide sextillion (10²¹) by nonmillion (10⁶) to get 10¹⁵.
Next, multiply 10¹⁵ by 10,000 to get 10¹⁹.
Subtract 200 million (2 x 10⁸) from 10¹⁹ to get 9.9998 x 10¹⁸.
Finally, add 5,000 to get the result of approximately 9.9998 x 10¹⁸ + 5,000 = 9.9998 x 10¹⁸ + 0.0005 x 10¹⁸ = 9.9998 x 10¹⁸.
Therefore, the answer to this arithmetic expression is approximately 9.9998 x 10¹⁸
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