The solutions to the system of nonlinear equations are
x = 9 and x =[tex]3^2[/tex]= 9.
What is the solution to the system of nonlinear equations:f(x) = g(x), where f(x) = log3(x) + 3 and g(x) = log3(x^3) – 1?
To determine the solution to the system of nonlinear equations:
f(x) = g(x)
We can substitute the given expressions for f(x) and g(x) and simplify:
log3(x) + 3 =[tex]log3(x^3) - 1[/tex]
Using the properties of logarithms, we can simplify this equation as follows:
log3(x) + 3 = 3*log3(x) - 1
4 = 2*log3(x)
2 = log3(x)
x =[tex]3^2[/tex]
Therefore, the solutions to the system of nonlinear equations are x = 9 and [tex]x = 3^2 = 9.[/tex]
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You roll a six-sided number cube and flip a coin. What is the probability of rolling a number greater than 1 and flipping heads?
Answer:80%
Step-by-step explanation:
What percent of his monthly budget do his transportation costs account for?
To calculate the percentage of one's monthly budget that transportation costs account for, we need to know the total amount of money spent on transportation and the total monthly budget.
Let's say, for example, that John spends $500 per month on transportation and his monthly budget is $2,000.
To calculate the percentage, we would divide the amount spent on transportation by the total monthly budget and then multiply by 100 to get the percentage. So, in this case, the calculation would be:
[tex]($500 / $2,000) x 100 = 25%[/tex]
Therefore, John's transportation costs account for 25% of his monthly budget. This is a significant portion of his budget, and if he needs to save money, he may want to consider alternative modes of transportation such as carpooling,
public transportation, or biking. It's always important to keep track of expenses and prioritize spending in order to maintain a healthy financial situation.
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The box-and-whisker plot below represents some data set. What percentage of the data values are between 25 and 45?
Thus, approximately 33.33% of the data values are between 25 and 45.
What is box-and-whisker plot?A box-and-whisker plot, also known as a box plot, is a graphical representation of a set of data that shows the distribution of the data along a number line. The plot is composed of a box that represents the middle 50% of the data, along with two "whiskers" that represent the lowest and highest values in the data set. The box is drawn between the first and third quartiles of the data, with a line inside the box representing the median value. The distance between the first and third quartiles is known as the interquartile range (IQR), which can be used to identify outliers in the data. Box-and-whisker plots are useful for comparing the distribution of data between different groups or data sets.
Here,
To find the percentage of the data values that are between 25 and 45 on the given box-and-whisker plot, we need to find the area of the box that is between the lower quartile (Q1) and the median (Q2). From the plot, we can see that the lower quartile (Q1) is at 30, and the median (Q2) is at 40. The interquartile range (IQR), which is the distance between Q1 and Q3, is 20.
Therefore, the box extends from 30 to 40, which is a distance of 10. The total length of the plot is 30 (from 25 to 55), so the percentage of data values between 25 and 45 is:
10/30 * 100% = 33.33%
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Complete question:
The box-and-whisker plot below represents some data set. What percentage of the data values are between 25 and 45?
Solve 2^{3-x} + 2^{x+1} =17
Log x + log (x+3) = 1
To solve the equation [tex]2^{3-x} + 2^{x+1} = 17[/tex] and the equation log x + log (x+3) = 1, We get the solution to the system of equations is x = 2. To check if x = 2 satisfies the first equation [tex](2^{3-x} + 2^{x+1} = 17).[/tex]
Solve the first equation, [tex]2^{3-x} + 2^{x+1} = 17.[/tex] Rewrite the equation as[tex]2^{3-x} = 17 - 2^{x+1}.[/tex] Take the logarithm of both sides (base 2): [tex]3-x = log2(17 - 2^{x+1})[/tex]. Rewrite the equation as [tex]x = 3 - log2(17 - 2^{x+1}).[/tex]
Solve the second equation, log x + log (x+3) = 1. Combine the logarithms: log(x(x+3)) = 1. Remove the logarithm by taking the exponent of both sides: x(x+3) = 10. The equation: x^2 + 3x = 10. Rearrange to form a quadratic equation:[tex]x^2 + 3x - 10 = 0.[/tex]
Factor the quadratic equation: (x+5)(x-2) = 0. Set each factor to zero: x+5 = 0 or x-2 = 0. Solve for x: x = -5 or x = 2. The solutions. Check if x = -5 satisfies the first equation [tex](2^{3-x} + 2^{x+1} = 17).[/tex]([tex]2^{3-x} + 2^{x+1} = 17)[/tex]. If it does not, discard it.
The solution to the system of equations is x = 2.
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 Solve for the value of p
Which fraction is equivalent to a whole number select all that apply? 9/3, -16/8, 7/0, -5/3, 0/5
The fraction is equivalent to a whole number are 9/3, -16/8, 7/0, 0/5
What is a fraction?A fraction can simply be described as the part of a whole variable, a whole numbers, or a whole element.
In mathematics, there are different types of fractions. These fractions are listed thus;
Simple fractionsProper fractionsImproper fractionsComplex fractionsMixed fractionsFrom the information given, we have that;
Equivalent expressions or fractions are fractions with the same solutions
Then, we have;
9/3
Divide the values
3
-16/8
-2
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The lengths of the sides of triangle XYZ are written in terms of the variable m, where m ≥ 6.
Triangle X Y Z is shown. The length of side X Y is m + 8, the length of side Y Z is 2 m + 3, the length of side Z X is m minus 3.
Which is correct regarding the angles of the triangle?
mAngleX < mAngleZ < mAngleY
mAngleY < mAngleZ < mAngleX
mAngleY < mAngleX < mAngleZ
mAngleZ < mAngleY < mAngleX
Answer:
In a triangle, the side opposite to the largest angle is the longest side, and the side opposite to the smallest angle is the shortest side. In triangle XYZ, the length of side XY is m + 8, the length of side YZ is 2m + 3, and the length of side ZX is m - 3. Since m ≥ 6, we can determine that 2m + 3 is the largest value, m + 8 is the next largest value, and m - 3 is the smallest value. Therefore, side YZ is the longest side and side ZX is the shortest side.
Since side YZ is the longest side, angle X must be the largest angle. Since side ZX is the shortest side, angle Y must be the smallest angle. Therefore, the correct ordering of the angles from smallest to largest is ∠Y < ∠Z < ∠X.
Step-by-step explanation:
Question 10 > Determine whether the integral is divergent or convergent. If it is convergent, evaluate it. If not, state your answer as "DNE" 4 ( 1 -dz 22 +1 00
To determine the convergence of the integral 4(1-z)/(2^2 +1)² dz from 0 to infinity, we can use the comparison test.
First, note that (1-z) is bounded between 0 and 1, so we can compare it to the integral of 4/(2² +1)² dz from 0 to infinity, which is convergent since it is a constant times the convergent p-series with p=2.
Therefore, by the comparison test, the original integral is also convergent. To evaluate it, we can use partial fractions:
4(1-z)/(2² +1)^2 = A/(2+i)² + B/(2-i)²
Solving for A and B, we get A = (1+i)/5 and B = (1-i)/5.
Then, the integral becomes:
∫ 4(1-z)/(2² +1)² dz = A ∫ 1/(2+i)² dz + B ∫ 1/(2-i)² dz
= (1+i)/5 [-1/(2+i)] + (1-i)/5 [-1/(2-i)] from 0 to infinity
= [(1+i)(2-i) - (1-i)(2+i)]/25(2² +1)
= 0
Therefore, the integral is convergent and evaluates to 0.
To determine if an integral is convergent or divergent, you need to look at its limits and the function you are integrating. Convergent means that the integral has a finite value, while divergent means the integral does not have a finite value.
For example, if you have an integral like this:
∫(f(x) dx) from a to b,
you need to evaluate the limits 'a' and 'b' and the function 'f(x)'. If 'a' or 'b' is infinity (∞) or the function 'f(x)' behaves such that it leads to an infinite value for the integral, it is divergent. Otherwise, it is convergent.
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(c) Katrina recorded the average rainfall amount, in inches, for two cities over the course of 6 months. City A: {5, 2. 5, 6, 2008. 5, 5, 3} City B: {7, 6, 5. 5, 6. 5, 5, 6} (a) What is the mean monthly rainfall amount for each city? (b) What is the mean absolute deviation (MAD) for each city? Round to the nearest tenth. (c) What is the median for each city?
a) The mean monthly rainfall amount for City A is 334.17 inches and for City B is 5.83 inches.
b) The MAD for City A is 464.28 inches and for City B is 0.46 inches.
c) The median for City A is 5 inches and for City B is 6 inches.
(a) To find the mean monthly rainfall amount for each city, we need to add up all the rainfall amounts and divide by the number of months:
For City A: (5 + 2.5 + 6 + 2008.5 + 5 + 3) / 6 = 334.17 inches
For City B: (7 + 6 + 5.5 + 6.5 + 5 + 6) / 6 = 5.83 inches
(b) To find the mean absolute deviation (MAD) for each city, we need to find the absolute deviations from the mean for each data point, then calculate the average of those absolute deviations:
For City A:
Mean = 334.17 inches
Absolute deviations from the mean: |5 - 334.17| = 329.17, |2.5 - 334.17| = 331.67, |6 - 334.17| = 328.17, |2008.5 - 334.17| = 1674.33, |5 - 334.17| = 328.17, |3 - 334.17| = 331.17
MAD = (329.17 + 331.67 + 328.17 + 1674.33 + 328.17 + 331.17) / 6 = 464.28 inches
For City B:
Mean = 5.83 inches
Absolute deviations from the mean: |7 - 5.83| = 1.17, |6 - 5.83| = 0.17, |5.5 - 5.83| = 0.33, |6.5 - 5.83| = 0.67, |5 - 5.83| = 0.83, |6 - 5.83| = 0.17
MAD = (1.17 + 0.17 + 0.33 + 0.67 + 0.83 + 0.17) / 6 = 0.46 inches
(c) To find the median for each city, we need to arrange the data points in order and find the middle value:
For City A: {2.5, 3, 5, 5, 6, 2008.5}
Median = 5 inches
For City B: {5, 5.5, 6, 6, 6.5, 7}
Median = 6 inches
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The student council is planning for the prom. They have broken down their expenses in the graph below. If they decide they will spend $1200 in refreshments, then what is their total budget?
The total budget of the prom, using the percentage concept, is given by = $ 4000.
Hence the correct option is (D).
Let the total budget be $ 100x.
Spending on Entertainment is 25% of the Budget.
So the spending on Entertainment = 100x*(25/100) = $ 25x.
Spending on Refreshments is 30% of the Budget.
So the spending on Refreshments = 100x*(30/100) = $ 30x.
Spending on Decorations is 45% of the Budget.
So the spending on Decorations = 100x*(45/100) = $ 45x.
It is also given that the spending on refreshments in dollar is $ 1200.
According to information,
30x = 1200
x = 1200/30
x = 40
Hence the total budget is = $100x = $ 100*40 = $ 4000.
So the correct option is (D).
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The question is incomplete. The complete question will be -
"The student council is planning for the prom. They have broken down their expenses in the graph below. If they decide they will spend $1,200 on refreshments, then what is their total budget?
Prom Budget:
Entertainment: 25%
Refreshments: 30%
Decorations: 45%
Answer choices:
A. $3,600
B. $6,000
C. $7,200
D. $4,000"
Ann selects a sample of 29 students at her large high school and finds that 12 of them are planning to travel outside of the state during the coming summer. She wants to construct a confidence interval for p = the proportion of all students at her school who plan on traveling outside of the state during the coming summer, but she realizes she hasn’t met all the conditions for constructing the interval. Which condition for this procedure has she failed to meet?
Ann has failed to meet the condition called the "success-failure" condition.
In order to construct a confidence interval for the proportion (p), the sample must have at least 10 successes (planning to travel outside the state) and 10 failures (not planning to travel outside the state). In her sample of 29 students, she found 12 planning to travel (successes) and 17 not planning to travel (failures). Both numbers satisfy the success-failure condition, so she can construct the confidence interval for the proportion of students planning to travel outside the state during the coming summer.
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Answer:
C: The sample must be a random sample from the population
Step-by-step explanation:
took the test on edge
In 2004, an art collector paid $92,906,000 for a particular painting. The same painting sold for $35,000 in 1950. Complete parts (a) through (d). a) Find the exponential growth rate k, to three decimal places, and determine the exponential growth function V, for which V(t) is the painting's value, in dollars, t years after 1950. V(t) =
The exponential growth function V(t) is:
V(t) ≈ 35,000 * (1.068)^t
To find the exponential growth rate k and the exponential growth function V(t), we can use the formula:
V(t) = V₀ * (1 + k)^t
where V(t) is the value of the painting at time t, V₀ is the initial value of the painting, k is the growth rate, and t is the number of years after 1950.
Given:
Initial value, V₀ = $35,000 (in 1950)
Final value, V(54) = $92,906,000 (in 2004, which is 54 years after 1950)
We can now solve for k:
92,906,000 = 35,000 * (1 + k)^54
Divide both sides by 35,000:
2,654.457 = (1 + k)^54
Now take the 54th root of both sides:
1.068 = 1 + k
Subtract 1 from both sides to find k:
k ≈ 0.068
Now, we can plug k back into the exponential growth function formula:
V(t) = 35,000 * (1 + 0.068)^t
So, the exponential growth function V(t) is:
V(t) ≈ 35,000 * (1.068)^t
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A group of friends wants to go to the amusement park. They have no more than $
365 to spend on parking and admission. Parking is $16. 25, and tickets cost $38. 75 per person, including tax. Write and solve an inequality which can be used to determine p, the number of people who can go to the amusement park.
The group of friends can consist of at most 9 people, given the budget constraint and pricing can go to the amusement park.
The inequality to determine the number of people who can go to the amusement park can be written as: 38.75p + 16.25 ≤ 365.
Where p represents the number of people and the left-hand side of the inequality represents the total cost of admission and parking for p people.
The inequality is set up such that the total cost cannot exceed the given budget of $365.
To solve this inequality, we can first subtract 16.25 from both sides: 38.75p ≤ 348.75. Then, divide both sides by 38.75: p ≤ 9
To determine the maximum number of people who can go to the amusement park with a given budget,
we can write and solve an inequality based on the cost of parking and admission per person.
In this case, the inequality is 38.75p + 16.25 ≤ 365, and the solution is p ≤ 9.
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Which expression represents the second partial sum for ? 2(0. 4) + 2(0. 4)2 2(0. 4)2 + 2(0. 4)3 2 + 2(0. 4) 0 + 2(0. 4)1
timed
The expression represents the second partial sum for 2(0. 4) + 2(0. 4)2 2(0. 4)2 + 2(0. 4)3 2 + 2(0. 4) 0 + 2(0. 4)1 is 0.8.
The second partial sum of a sequence refers to the sum of the first two terms of the sequence.
The given sequence is: 2(0.4) + 2(0.4)^2 + 2(0.4)^2 + 2(0.4)^3 + 2(0.4)^0 + 2(0.4)^1
To find the second partial sum, we simply add the first two terms of the sequence:
2(0.4) + 2(0.4)^2 = 0.8
Therefore, the expression that represents the second partial sum for the given sequence 2(0. 4) + 2(0. 4)2 2(0. 4)2 + 2(0. 4)3 2 + 2(0. 4) 0 + 2(0. 4)1 is 0.8.
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Please upload a picture of a piece of paper with the problem worked out, and draw the graph for extra points, there will be 6 of these, so go to my profile and find the rest, and do the same, for extra points. solve this one using the elimination method.
The solution to this system of equations are x = -5 and y = 8.
How to solve these system of linear equations?In order to determine the solution to a system of two linear equations, we would have to evaluate and eliminate each of the variables one after the other, especially by selecting a pair of linear equations at each step and then applying the elimination method.
Given the following system of linear equations:
x + y = 3 .........equation 1.
x - 3y = -29 .........equation 2.
By subtracting equation 2 from equation 1, we have:
(x - x) + (y - (-3y) = 3 - (-29)
y + 3y = 3 + 29
4y = 32
y = 32/4 = 8
x = 3 - y
x = 3 - 8
x = -5
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A data set is normally distributed with a mean of 27 and a standard deviation of 3. 5. Find the z-score for a value of 25, to the nearest hundredth. Z-score =
If a data set is normally distributed with a mean of 27 and a standard deviation of 3. 5, the z-score for a value of 25 is -0.57.
To find the z-score for a value of 25 in a normally distributed data set with a mean of 27 and a standard deviation of 3.5, we use the formula:
z = (x - μ) / σ
where:
x = the given value (25)
μ = the mean (27)
σ = the standard deviation (3.5)
Plugging in the values, we get:
z = (25 - 27) / 3.5
z = -0.57
Rounding to the nearest hundredth, the z-score for a value of 25 is -0.57.
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El volumen de este prisma rectangular es de 6 centímetros cúbicos. ¿Cuál es el área de superficie?
The surface area of the given volume of the rectangular prism is equal to 13.86 square centimeters.
Volume of the rectangular prism is 6 cubic centimeters.
Let the dimensions of the rectangular prism be length (l), width (w), and height (h).
Volume of the rectangular prism = l x w x h
⇒ l x w x h = 6
Use the given volume to find one of the dimensions .
Then use that information to find the surface area.
To calculate the surface area at least two of the dimensions known.
Let us assume that the height (h) is 1 centimeter.
⇒l x w x 1 = 6
⇒ l x w = 6
Use this equation to solve for one of the dimensions.
⇒ l = 6/w
Substituting this value of l into the surface area formula, we get,
Surface area = 2lw + 2wh + 2lh
⇒Surface area = 2(6/w)w + 2w(1) + 2(6/w)(1)
⇒Surface area = 12/w + 2w + 12/w
⇒Surface area = 2w + 24/w
Value of w that gives the minimum surface area,
Take the derivative of the surface area formula with respect to w and set it equal to 0,
d/dw (2w + 24/w) = 0
⇒ 2 - 24/w^2 = 0
Solving for w, we get,
⇒w = √(12)
Substituting this value of w back into the surface area formula, we get,
⇒ Surface area = 2(√(12)) + 24/√(12)
⇒Surface area = 4√3 + 4√3
⇒Surface area = 8√3
⇒ Surface area = 13.86 square centimeters
Therefore, the surface area of the rectangular prism is approximately 13.86 square centimeters.
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A proportional relationship is shown in the table below:
x - 0, 3, 6, 9, 12
y - 0, 0.5, 1.0, 1.5, 2.0
What is the slope of the line that represents this relationship?
Graph the line that represents this relationship.
The slope of the line that represents the proportional relationship between x and y in the given table is 1/6. To graph the line, we can plot the points from the table and connect them with a straight line passing through the origin (0,0).
The relationship between x and y is proportional, which means that there is a constant ratio between the two variables. We can find the slope of the line that represents this relationship by calculating the ratio of the change in y over the change in x between any two points on the line. Let's use the first and last points
slope = (y2 - y1) / (x2 - x1) = (2.0 - 0) / (12 - 0) = 2/12 = 1/6
So, the slope of the line that represents this proportional relationship is 1/6.
To graph the line, we can plot the points from the table and connect them with a straight line. The line will pass through the origin (0,0) and have a slope of 1/6. The graph will look like.
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5 Work out the volume of this prism. Write your answer
a in cm³
b in mm³.
20cm
120cm
30cm
10 cm
Answer:
a_48000cm^3
b_48000000mm^3
Step-by-step explanation:
first of all, let's find the base area:
Ab=((b+B)h)/2=((10cm+30cm)20cm)/2=400cm^2
then, to find the volume, we need to multiplicate the base area to the height of the prism:
V=Ab*H=400cm^2*120cm=48000cm^3=48000000mm^3
50+30(2x+10) What is the value of x
Distribute
50+30(2x+10)
50+30×2x+30×10
50+60×+300
add the number
50+300+60×
350+60x
re arrange the term60x+350
common factors
10(6x+35)
In each figure congruent parts are marked. Give additional congruent parts to prove that the right triangles are congruent and state the congruence theorem that justifies your answer.
please help me
To prove that the right triangles are congruent, we need to show that they have three pairs of congruent parts (sides or angles).
Let's say that the given congruent parts are the hypotenuses and one leg of each triangle. To prove congruence, we can add one more pair of congruent parts, such as the other leg.
By the Side-Angle-Side (SAS) congruence theorem, if two triangles have two pairs of congruent sides and the included angle is also congruent, then the triangles are congruent. In this case, we have two pairs of congruent sides (the hypotenuses and one leg) and the included angle (the right angle) is congruent by definition.
Therefore, we can conclude that the two right triangles are congruent by SAS.
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1425 stamps evenly into 7 piles how many would be in each pile
To evenly distribute 1425 stamps into 7 piles, you would divide 1425 by 7. This gives you a quotient of 203 with a remainder of 4. This means that each pile would contain 203 stamps and there would be 4 stamps left over.
To understand this better, you can visualize the process of dividing 1425 stamps into 7 equal piles. You could start by putting 203 stamps into the first pile. Then, you would add another 203 stamps to the second pile. You would continue this process until you had 7 piles, each containing 203 stamps. However, you would be left with 4 stamps that couldn't be evenly distributed.
This type of division is called integer division because it results in a whole number quotient and potentially a remainder. In this case, the quotient represents the number of stamps that can be evenly distributed among the piles, and the remainder represents the leftover stamps that cannot be evenly distributed.
Overall, to divide 1425 stamps into 7 piles, each pile would contain 203 stamps, with 4 stamps remaining.
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Mason plays a game by flipping a fair coin. He wins the game if the coin lands facing heads up. If Mason plays 300 times, how many times should he expect to win?
Answer:
Step-by-step explanation:
A fair coin means that there is a 50% probability of heads and a 50% probability of tails.
Playing the game 300 times means that Mason will approach theoretical probability.
Therefore, playing 300 times, he should expect to win 50% of the time, so 50% x 300 = 150 times.
Mason should expect to win 150 times.
Round 5 6/13 to the nearest whole number.
4
5
6
7
When approximating mixed fraction 5 6/13 to the nearest whole number, the rounded value is 5.
To round the mixed fraction 5 6/13 to the nearest whole number, we examine the fractional part, which is 6/13. The general rule for rounding mixed fractions is to consider the fractional part and round up if it is greater than or equal to 1/2, and round down if it is less than 1/2.
In this case, 6/13 is approximately 0.4615. Since it is less than 1/2, we need to round down to the nearest whole number. Therefore, when rounding 5 6/13 to the nearest whole number, the answer is 5.
A mixed fraction consists of a whole number part and a fractional part. When rounding a mixed fraction, we focus on the fractional part to determine the appropriate rounding direction. If the fractional part is exactly 1/2, it is typically rounded up to the next whole number.
However, in the case of 5 6/13, the fractional part is less than 1/2, so we round down. Rounding down gives us a more accurate approximation that is closer to the original value. In this instance, rounding 5 6/13 down to 5 provides a whole number estimate that is slightly smaller but still reasonably close to the initial mixed fraction.
Rounding serves as a useful tool in situations where precise values are not necessary and a simpler approximation is sufficient for practical purposes.
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Solve for length of segment c.
In the given diagram, using the intersecting secant theorem, the length of c is 2 cm
Intersecting secant theorem: Calculating the length of cFrom the question, we are to determine the length of segment c
From the intersecting secant theorem, we have that
If two secant segments intersect outside a circle, then the product of the secant segment with its external portion equals the product of the other secant segment with its external portion
Thus,
In the given circle, we can write that
a × b = c × d
Substitute the values
3 × 12 = c × 18
36 = c × 18
Divide both sides by 18
36 / 18 = (c × 18) / 18
2 = c
Therefore,
c = 2
Hence, the length of c is 2 cm
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Which of the following Is closest to the volume of the shoebox?
How do you set up and solve?
Answer:
H
Step-by-step explanation:
You take each given side and multiply them all together
18.4 x 8.8 x 11 = approx 1782
Air is being pumped into a spherical balloon so that its volume increases at a rate of 100cm³/s. How fast is the radius of the balloon increasing when the diameter is 50cm?
V = 4/3 πr³
When the diameter of the balloon is 50 cm, the radius of the balloon is increasing at a rate of approximately 0.0254 cm/s
How to find the radius of the balloon increasing when the diameter is 50cm?We are given that the volume of a spherical balloon is increasing at a rate of 100 cm³/s. We need to find how fast the radius of the balloon is increasing when the diameter is 50 cm.
Let's first find the expression for the volume of the balloon in terms of its radius.
V = 4/3 πr³
Differentiating with respect to time (t), we get:
dV/dt = 4πr² (dr/dt)
We are given that dV/dt = 100 cm³/s. When the diameter of the balloon is 50 cm, the radius is 25 cm.
Substituting these values, we get:
100 = 4π(25)² (dr/dt)
Simplifying, we get:
dr/dt = 100 / (4π(25)²)
dr/dt ≈ 0.0254 cm/s
Therefore, when the diameter of the balloon is 50 cm, the radius of the balloon is increasing at a rate of approximately 0.0254 cm/s
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In a recent poll, 813 adults were asked to identify their favorite seat when they fly, and 520 of them chose a window seat. Use a 0. 01 significance level to test the claim that the majority of adults prefer window seats when they fly. Identify the null hypothesis, alternative hypothesis, test statistic, P-value, conclusion about the null hypothesis, and final conclusion that addresses the original claim. Use the P-value method and the normal distribution as an approximation to the binomial distribution
The P-value is less than the significance level of 0.01, we reject the null hypothesis.
Null Hypothesis: The proportion of adults who prefer window seats when they fly is 0.5 or less.
Alternative Hypothesis: The proportion of adults who prefer window seats when they fly is greater than 0.5.
Let p be the true proportion of adults who prefer window seats when they fly.
The sample proportion of adults who prefer window seats is:
= 520/813 = 0.639
The standard error of the sample proportion is:
SE = sqrt((1-)/n) = sqrt(0.639(1-0.639)/813) = 0.022
The test statistic is:
z = ( - 0.5)/SE = (0.639 - 0.5)/0.022 = 6.32
Using a normal distribution, the P-value is P(Z > 6.32) < 0.0001.
Since the P-value is less than the significance level of 0.01, we reject the null hypothesis.
Therefore, we conclude that there is sufficient evidence to support the claim that the majority of adults prefer window seats when they fly.
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how to convert from kg to m
Answer:
divide by 100
Step-by-step explanation:
hope it helps
Convert 1 Kilograms to Meters (kg to m) with our conversion calculator and conversion tables. To convert 1 kg to m use direct conversion formula below.
Convert 1 Kilograms to Meters (kg to m) with our conversion calculator and conversion tables. To convert 1 kg to m use direct conversion formula below.1 kg = 1 m.
Convert 1 Kilograms to Meters (kg to m) with our conversion calculator and conversion tables. To convert 1 kg to m use direct conversion formula below.1 kg = 1 m.You also can convert 1 Kilograms to other Weight (popular) units.
[tex]Direct \: \: conversion \: \: formula: 1 Kilograms * 1 = 1 Meters[/tex]
90. lim (In V 4x2 + 6 - In x) = A. In 2 B. 0 C. 2 D. - 91. The horizontal asymptote(s) of the function f(x) = 37€* is (are) = = e+ A. y = 0 B. y = e C. x = 0 D. none . = 0. 109. If a, n > 0, with a > 1, then lim 2+ Inc A. True B. False
For the first question, to get the limit of the function lim (In V 4x2 + 6 - In x), we can use the property of logarithms that says ln(a) - ln(b) = ln(a/b). Applying this property to the given function, we get ln[(4x^2 + 6)/x]. Now we can simplify the expression by dividing both the numerator and the denominator by x. So we get ln(4x + 6/x), which can be rewritten as ln(4 + 6/x). Now we can take the limit as x approaches infinity. As x gets larger and larger, the 6/x term becomes smaller and smaller and approaches zero. So ln(4 + 6/x) approaches ln(4), and the final answer is A. In 2.
For the second question, to get the horizontal asymptote(s) of the function f(x) = 37€*, we can take the limit as x approaches infinity. As x gets larger and larger, the exponential term €* becomes larger and larger, approaching infinity. So the function approaches 37 times infinity, which is infinity. Therefore, there is no horizontal asymptote and the answer is D. none.
For the third question, the statement is false. The limit as x approaches infinity of 2^(ln(a)/ln(x)) is equal to infinity if a > 1 and is equal to zero if 0 < a < 1.
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