Answer:
1\2 oats that's easy it's 1\2 that's the answer
Can y'all please solve this.....will give brainliest ^_^
x=6,004/5.019=1.196
x=1.2
y=3.999/9.241=0.432=0.43
Answer:
1.20.43Step-by-step explanation:
\(x = \frac{\sqrt{36.05} }{5.019} \\ \\\sqrt{36.05}=6.00416\dots \\\\=\frac{6.00416\dots }{5.019}\\\\\mathrm{Divide\:the\:numbers:}\:\frac{6.00416\dots }{5.019}=1.19628\dots \\\\=1.19628\dots \\\\= 1.2\)
\(y = \frac{\sqrt[3]{63.71}}{(3.04)^2} \\\\3.04^2=9.2416\\\\=\frac{\sqrt[3]{63.71}}{9.2416}\\\\\sqrt[3]{63.71}=3.99394\dots \\\\=\frac{3.99394\dots }{9.2416}\\\\\mathrm{Divide\:the\:numbers:}\:\frac{3.99394\dots }{9.2416}\\=0.43217\dots \\\\= 0.43\)
Solve for the value of p.
SOMEONE PLEASE HELP ME ILL GIVE YOU BRAINLIST ANSWER!!!!
Answer:
The angles are supplementary meaning they equal 180 degrees so the angles have to equal 180.
p + 7 + 3p + 1 = 180
4p + 8 = 180
-8 -8(subtracting 8 from both sides)
4p = 172
/4 /4(dividing by 4 on both sides)
p = 43
Answer:
A straight angle measures 180°(p + 7) + (3p + 1) = 180
p + 7 + 3p + 1 = 180
4p + 8 = 180
4p = 180 - 8
4p = 172
•°• p = 172/4 = 43
Assume f(x): x+2/3 find Find f-¹(4).
10
2
1/2
1
(the / represents fraction)
Answer:
Step-by-step explanation:
To find the inverse of a function, we need to switch the variables x and y and solve for the new variable.
Given f(x) = x + 2/3, we can write the inverse as f^-1(y) = x.
So we will replace y with 4 in the inverse function f^-1(y) = x and solve for x.
f^-1(4) = x
x + 2/3 = 4
x = 4 - 2/3
x = 8/3
Therefore, f^-1(4) = 8/3
Estimate σA and σB using the loan allocation deviation formula.
A. σ(A) = 12.25% ; σ(B) = 14.14%
B. σ(A) = 17.32% ; σ(B) = 20.0%
C. σ(A) = 16.33% ; σ(B) = 14.14%
D. σ(A) = 14.14% ; σ(B) = 16.33%
The formula for allocation deviation is as follows:σA = (w1σ1^2 + w2σ2^2 + … + wσn^2)^(1/2)σB = (w1σ1^2 + w2σ2^2 + … + wσn^2)^(1/2)
Here,
σ1 = 15%
σ2 = 10%
w1 = 50%,
w2 = 50%
Substituting the values in the above formula:
σA = (0.5 × 0.15^2 + 0.5 × 0.10^2)^(1/2)
= (0.0225 + 0.0100)^(1/2)
= 0.0158 = 1.58%σB
= (0.5 × 0.15^2 + 0.5 × 0.10^2)^(1/2)
= (0.0225 + 0.0100)^(1/2)
= 0.0158
= 1.58%
Hence, the correct option is
D. σ(A) = 14.14%;
σ(B) = 16.33%.
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The midpoint of AB is at (-4, 3). If A = (0, -9), find B.
The coordinate of B is (15, -8) if the midpoint of AB is at (-4, 3) and A is (0,-9).
Given that, the midpoint of AB is at (-4, 3) and if A = (0, -9) then, we have to calculate the coordinates of point B.
Midpoint refers to a point that is in the middle of the line joining two points. The two reference points are the endpoints of a line, and the midpoint is lying in between the two points. The midpoint divides the line joining these two points into two equal halves.
Let us suppose that the coordinates of B is (x,y)
⇒ -4 = 0+x/2
⇒ -4 = x/2
⇒ -4×2 = x
⇒ x = -8
Therefore, the x-coordinate of B is -8.
⇒ 3 = -9+x/2
⇒ 3 = x-9/2
⇒ 3×2 = x-9
⇒ 6 = x-9
⇒ 6+9 = x
⇒ 15 = x
Therefore, the y-coordinate of B is 15.
Hence, the coordinates of B is (15, -8) respectively.
Therefore, B = (15, -8) is the required answer.
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i need help with this question pleasee
Answer:
A)
this is a corect answer for this question:)
A small amount of the trace element selenium, 50–200 micrograms (μg) per day, is considered essential to good health. Suppose that random samples of
n1 = n2 = 40 adults
were selected from two regions of Canada and that a day's intake of selenium, from both liquids and solids, was recorded for each person. The mean and standard deviation of the selenium daily intakes for the 40 adults from region 1 were
x1 = 167.8
and
s1 = 24.5 μg,
respectively. The corresponding statistics for the 40 adults from region 2 were
x2 = 140.9
and
s2 = 17.3 μg.
Find a 95% confidence interval for the difference
(μ1 − μ2)
in the mean selenium intakes for the two regions. (Round your answers to three decimal places.)
μg to μg
Interpret this interval.
In repeated sampling, 5% of all intervals constructed in this manner will enclose the difference in population means.There is a 95% chance that the difference between individual sample means will fall within the interval. 95% of all differences will fall within the interval.In repeated sampling, 95% of all intervals constructed in this manner will enclose the difference in population means.There is a 5% chance that the difference between individual sample means will fall within the interval.
We have come to find that confidence interval is (16.802, 37.998) μg
What is Micrograms?Micrograms: This is a unit for measuring the weight of an object. It is equal to one millionth of a gram.
To find a 95% confidence interval for the difference in mean selenium intakes between the two regions, we can use the following formula:
Confidence interval = (x1 - x2) ± t * SE
where:
x1 and x2 are the sample means for region 1 and region 2, respectively.
t is the critical value from the t-distribution for a 95% confidence level.
SE is the standard error of the difference, calculated as follows:
\(\rm SE = \sqrt{((s_1^2 / n_1) + (s_2^2 / n2))\)
Let's calculate the confidence interval using the given values:
x₁ = 167.8
s₁ = 24.5 μg
n₁ = 40
x₂ = 140.9
s₂ = 17.3 μg
n₂ = 40
SE = √((24.5² / 40) + (17.3² / 40))
SE ≈ 4.982
Now, we need to determine the critical value from the t-distribution. Since both sample sizes are 40, we can assume that the degrees of freedom are approximately 40 - 1 = 39. Consulting a t-table or using a statistical software, the critical value for a 95% confidence level with 39 degrees of freedom is approximately 2.024.
Substituting the values into the confidence interval formula:
Confidence interval = (167.8 - 140.9) ± 2.024 * 4.982
Confidence interval = 26.9 ± 10.098
Rounded to three decimal places:
Confidence interval ≈ (16.802, 37.998) μg
Interpretation:
We are 95% confident that the true difference in mean selenium intakes between the two regions falls within the interval of 16.802 μg to 37.998 μg. This means that, on average, region 1 has a higher selenium intake than region 2 by at least 16.802 μg and up to 37.998 μg.
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for a fundraiser, there is a raffle with 800 tickets, each costing $15. 1 ticket will win a $400 prize, 4 tickets will win a $200 prize, 12 tickets will win a $125 prize, 30 tickets will win a $60 prize, and the remaining tickets will win nothing. if you buy a ticket, what is the expected winnings per ticket? question options:
The expected winning and the value of that prize, which gives an expected winning is c. $3.13 per ticket.
The expected winnings per ticket in the raffle can be calculated by adding the products of the probability of the expected value of winning each prize. The predicted wins per ticket may be computed as the total of each prize's value multiplied by its probability of winning, i.e.
Expected winnings per ticket
= (1/800) × $400 + (4/800) × $200 + (12/800) × $125 + (30/800) × $60 + (753/800) × $0
If we condense the equation, we obtain:
Calculating the total wins anticipated per ticket
= $0.50 + $1.00 + $1.88 + $0.75 + $0
Expected winnings per ticket = $3.13
Therefore, if you buy a ticket, the expected winnings per ticket are $3.13.
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Complete question:
For a fundraiser, there is a raffle with 800 tickets, each costing $15. 1 ticket will win a $400 prize, 4 tickets will win a $200 prize, 12 tickets will win a $125 prize, 30 tickets will win a $60 prize, and the remaining tickets will win nothing. if you buy a ticket, what are the expected winnings per ticket? question options:
a) $5.36
b) $5.63
c) $5.33
d) $5.66
1/4 - 7/1 (pls i nee answer)
Answer:3/4 is the answer
Step-by-step explanation:
Answer:(s)
1/4 - 7/1 = - 27/4
Decimal: - 6.75
Mixed number: - 6 3/4
Step-by-step explanation:
1/4 - 7/1 = - 27/4 or - 6.75 or - 6 3/4
LCM: 4, 1 = 4
Adjust Fraction Based On LCM:
1/4 - 28/4
Apply The Fraction Rule:
a/c - b/c = a - b/c
1 - 28/4
Subtract the numbers:
1 - 28 = - 27
= -27/4
Apply Fraction Rule:
- a/b = - a/b
Thus:
1/4 - 7/1 = - 27/4
Decimal: - 6.75
Mixed Number Form - 6 3/4
I hope that helps you!!!
compare using <,>, or = 4/9 5/10
Given data:
The first number is 4/9.
The second number is 5/10.
The first number can be written as,
\(\begin{gathered} \frac{4}{9}=\frac{4\times10}{9\times10} \\ =\frac{40}{90} \\ \end{gathered}\)The second number can be written as,
\(\begin{gathered} \frac{5}{10}=\frac{5\times9}{10\times9} \\ =\frac{45}{90} \end{gathered}\)Now compare both numbers as they have same denominator.
\(\begin{gathered} \frac{40}{90}<\frac{45}{90} \\ or \\ \frac{4}{9}<\frac{5}{10} \end{gathered}\)Thus, the < symbol must be used between both n
Find an expression which represents the difference when (-2+9y) is subtracted
from (-6x + 4y) in simplest terms.
Answer:
-6x-5y+2
Step-by-step explanation:
The product of two numbers is 323 and the difference between them is 2. What are the two numbers?
Answer:
17 and 19
Step-by-step explanation:
17 * x = 323
x = 323 / 17
x = Second number = 19.
Step-by-step explanation:
323
2
=16×2=32
=3×1=3
=3
=16
=16,3
I hate math but plz help
what is the least common denominator for 11/8 and 1/12
To find the least common denominator for 11/8 and 1/12, we need to determine smallest common multiple of denominators, which is the smallest number for both. Hence, LCD for 11/8 and 1/12 is 24.
The prime factors of 8 are 2 * 2 * 2, and the prime factors of 12 are 2 * 2 * 3. To find the LCD, we need to consider the highest power of each prime factor that appears in either number. In this case, the highest power of 2 is 2 * 2 * 2, and the highest power of 3 is 3.
Multiplying these together, we get 2 * 2 * 2 * 3 = 24. Therefore, the LCD for 11/8 and 1/12 is 24.Using the LCD, we can rewrite the fractions with a common denominator of 24 and perform operations such as addition, subtraction, or comparison more easily.
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given:2y-1/-3=-5 prove:y=8
Answer:
2y + 1/3 = 5
2y = -5 -1/3
2y = -16/3
Y = -8/3
Step-by-step explanation:
im pretty sure thats the answer but good luck!
Help what is the solution to the system of equations graphed below
Answer:
(4, 2 )
Step-by-step explanation:
Given a graph of a system of equations, then the solution is at the point of intersection of the 2 lines.
The lines intersect at (4, 2 ) ← solution
solve 4 x 3/5. please help im giving 40 points
Answer:
12/5 is correct answer .
Step-by-step explanation:
\( \bf \implies4 \times \frac{3}{5} \\ \\ \bf \implies \frac{4 \times 3}{5} \\ \\ \bf \implies \frac{12}{5} \)
So, the required answer is 12/5 .
Which of the following statements are true?(Choose all correct answers)Methods cannot be written with parameters.Parameter values can never be used within the method code block.Methods can be written with any number of parameters.Methods can never be written with more than four parameters.Parameter values can be used within the method code block
The true statement is, Parameter values can be used within the method code block. (option e).
In computer programming, methods are used to group a set of instructions together that can be executed repeatedly. Parameters are used to pass values to a method so that the method can perform specific actions based on the values passed. Let's discuss the given statements one by one to determine which ones are true.
Parameter values can be used within the method code block.
This statement is true. Parameter values can be used within the method code block to perform specific actions. The parameter values can be manipulated or combined with other values to produce the desired result.
In summary, methods can be written with any number of parameters, and parameter values can be used within the method code block to perform specific actions. The number of parameters needed will depend on the specific task the method is designed to perform.
Hence the option (e) is correct.
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Please help now! Simplify -4x - x.
A. -5x
B. -4x
C. -3x
Answer:
the answer is -5x
Step-by-step explanation:
plz give me 5star
pls help :(
y= _x +_
Find the equation of the line
hi, I'm no bot just in case...
the grapgh of the line shows y intercept of -9 and rate of change by 4
SoThe equation of the lline will be: \(y=4x-9\)
A={1,4,5,8) B = { 2, 8, 9) C = {3,5,8) Be (C-A) = { Ex: 3,6 }
sam wishes to cross a circular lake with diameter 1 km. he can row across the water at a rate of 4 km/hour, or he can walk along the shore (carrying the rowboat) at a rate of 6 km/hour. what is the minimum amount of time necessary to cross the lake?
25 minutes. The time it would take to row across the lake is 15 minutes (1 km/4 km/hour = 0.25 hour), and the time it would take to walk around the lake is 10 minutes (1 km/6 km/hour = 0.1666 hour). Thus, the minimum amount of time necessary to cross the lake is 25 minutes (15 + 10).
1 km/4 km/hour = 0.25 hour (time to row across the lake)
1 km/6 km/hour = 0.1666 hour (time to walk around the lake)
Minimum amount of time necessary to cross the lake = 0.25 + 0.1666 = 0.4166 hour
0.4166 hour x 60 minutes/hour = 25 minutes
Sam can row across the lake in 15 minutes (1 km/4 km/hour = 0.25 hour) or walk around it in 10 minutes (1 km/6 km/hour = 0.1666 hour). The minimum amount of time necessary to cross the lake is 25 minutes (15 + 10), as this is the lowest total time to get from one side to the other.
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Help me please
Solve the inequality s:
5s+2>7
Answer:
s>1
Step-by-ste:p explanation:
the internet :)
3.1.PS-10
Question Help
The Stock Market Alexander is a stockbroker. He earns 13% commission each week. Last week, he sold $7,200 worth of
stocks. How much did he make last week in commission? If he averages that same amount each week, how much did he
make in commission in 2011?
Last week, he made $ in commission.
The amount of commission made in the last week and in the year 2011 is $936 and $48,672, respectively.
The Stock Market Alexander is a stockbroker. It is given that he earns 13% commission each week. He sold $7,200 worth of stocks last week. We need to calculate the amount of commission he made in the last week.
Let the commission earned be represented by "C". The commission earned is the product of the rate of commission and the amount of stocks sold.
C = 13% of $7,200
C = 0.13*7200
C = $936
The commission made in the last week is $936. It is also given that he makes the same amount every week on an average. We need to calculate the commission earned in the whole year 2011.
We know that there are 52 weeks in a year. So, the total commission made in the year 2011 is the product of commission made in a week and the total number of weeks.
C = 52*936
C = $48,672
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What’s the distance between the points! round to the nearest tenth i need to show work please help i’m failing!
Answer:
Distance=4.24
Step-by-step explanation:
By the Pythagorean Theorem:
3^2+3^2=distance^2
9+9=distance^2
Distance=4.24
The radius of a circle is 8 millimeters. What is the circle's area
Use 3.14 for PI
Answer:
200.96 millimeters²
Step-by-step explanation:
How do we find the area of a circle?
The area of a circle is πr², where r = radius. We're given the radius as 8 millimeters, and we're going to approximate pi as 3.14.Solving
3.14 × 8²3.14 × 64200.96Therefore, the area is 200.96 millimeters².
Have a lovely rest of your day/night, and good luck with your assignments! ♡
Solution:
We know that:
Radius = 8 mmArea of circle = πr²Finding the area of the circle.
Area of circle = πr²=> Area of circle = 3.14 x 8²=> Area of circle = 3.14 x 64=> Area of circle = 200.96 mm²5. If v in R3 and v.v=0, then v is the zero vector. Is it true or false? Explain your answer. 6. Let [17] A= 25 Find the solution x of the equation Ax inverse matrix A! b for any b. From your solution read off the
The solution of the equation Ax inverse matrix A! b for any b is x = [1/25]b.From the given [17]A = 25, we can read off the inverse matrix A:inverse of A = [1/25]
If v in R3 and v.v=0, then v is the zero vector. Is it true or false? Explain your answer.
It is true that if v in R3 and v.v=0, then v is the zero vector. Because the dot product of a vector with itself is equal to the magnitude squared of the vector, which is non-negative for any non-zero vector, it follows that if v.v=0, then v must be the zero vector. Therefore, the statement is true.
Let [17] A= 25. Find the solution x of the equation Ax inverse matrix A! b for any b. From your solution read off the inverse matrix A!
Given, [17]A = 25.To solve the equation Ax inverse matrix A! b for any b, we need to find the inverse of matrix A, then we can use this inverse to find the solution x from Ax = b.First, let's find the inverse of matrix A. For a 1x1 matrix [a], its inverse is [1/a].Therefore, inverse of A = [1/25].
Now, we can find the solution x from Ax = b as follows:A.x = b Multiplying by inverse of A on both sides, we get:inverse of A . A . x = inverse of A . bx = inverse of A . b Substituting the values of x, b and inverse of A, we get:x = [1/25]bTherefore, the solution of the equation Ax inverse matrix A! b for any b is x = [1/25]b.From the given [17]A = 25, we can read off the inverse matrix A:inverse of A = [1/25]
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Without using a calculator order these numbers from least to greatest
Answer: 5, 6, √39
Step-by-step explanation:
√39 = 6.24
therefore, the order is 5, 6, √39
HELP URGENT
A 0.2 kg cue ball moving at 10 m/s hits a 0.15 kg 8 ball at rest. The cue ball continues rolling forward at 1 m/s. What is the velocity of the 8 ball?
Answer:
We can use the principle of conservation of momentum to solve this problem. According to this principle, the total momentum of a system of objects remains constant if there are no external forces acting on the system.
Initially, only the cue ball is moving, and the 8 ball is at rest. Therefore, the initial momentum of the system is:
p_initial = m1 * v1 + m2 * v2
= 0.2 kg * 10 m/s + 0.15 kg * 0 m/s
= 2 kg m/s
After the collision, the cue ball is rolling forward at 1 m/s, and the 8 ball is moving in some direction with some velocity v_final. Therefore, the final momentum of the system is:
p_final = m1 * v1 + m2 * v_final
According to the conservation of momentum principle, p_initial = p_final. Therefore,
2 kg m/s = 0.2 kg * 1 m/s + 0.15 kg * v_final
Solving for v_final, we get:
v_final = (2 kg m/s - 0.02 kg m/s) / 0.15 kg
= 13.33 m/s
Therefore, the velocity of the 8 ball after the collision is 13.33 m/s.
josh’s favorite snack at a convenience store costs $3.47 before tax. if the tax rate is 8.3% how much would josh pay for his snack including taxes ?
Josh would pay $3.76 for his snack including taxes.
How much would josh pay for his snack including taxes?Given that; josh’s favorite snack at a convenience store costs $3.47 before tax and tax rate is 8.3%.
To determine the cost of Josh's snack including taxes, we need to add the tax amount to the original price of the snack.
First, calculate the tax amount by multiplying the original price by the tax rate:
Tax amount = 3.47 × 8.3%
Tax amount = 3.47 × 0.083
Tax amount = $0.28801
Next, we add the tax amount to the original price to find the total cost of the snack including taxes:
Total cost = Original price + Tax amount
Total cost = $3.47 + $0.28801
Total cost = $3.76
Therefore, the total cost is $3.76.
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