The number of fish, including angelfish and eels that are shown by the bar graph, can be found to be 45 fish .
How to find the number of fish ?The science museum water exhibit bar graph shows the number of animals that are in the water exhibit in the museum.
We see that there are 15 snakes, 10 Turtles, 25 Angelfish, and 20 eels.
If we are to find the number of fish in the science museum water exhibit, all we need to do is to sum up the number of Angelfish and Eels. Doing this sum would add up to :
= 25 Angelfish + 20 eels
= 45 fish
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A small business owner is applying for a small business loan and has been approved for a $50,000 loan with 5.25% annual interest. The first loan is a simple interest rate, the second loan compounds interest quarterly, and the third loan compounds interest continuously. The small business owner plans to pay off the loan in 3 years and 8 months.
Part A: Determine the total value of the loan with the simple interest. Show all work and round your answer to the nearest hundredth.
Part B: Determine the total value of the loan with the quarterly compounded interest. Show all work and round your answer to the nearest hundredth.
Part C: Determine the total value of the loan with the continuously compounded interest. Show all work and round your answer to the nearest hundredth.
Part D: Using the values from Parts A, B, and C, explain which loan option is the best choice for the small business owner.
Part A: The total value of the loan with simple interest is $59,660.50.
Part B: The total value of the loan with quarterly compounded interest is $60,357.91.
Part C: The total value of the loan with continuously compounded interest is $60,441.82.
Part D: The best choice for the small business owner is the loan with simple interest, as it has the lowest total value and thus the lowest cost to repay.
Part A:
To calculate the total value of the loan with simple interest, we can use the formula:
[tex]Total value = Principal \times (1 + interest rate \times time)[/tex]
Where,
Principal = $50,000
Interest rate = 5.25% = 0.0525
Time = 3 years and 8 months = 3.67 years.
[tex]Total $ value = $50,000 \times (1 + 0.0525 \times 3.67) = $59,660.50[/tex]
Therefore, the total value of the loan with simple interest is $59,660.50.
Part B:
To calculate the total value of the loan with quarterly compounded interest, we can use the formula:
[tex]Total value = Principal \times (1 + (interest rate / n))^{(n \times time) }[/tex]
Where,
Principal = $50,000
Interest rate = 5.25% = 0.0525
Time = 3 years and 8 months = 3.67 years
n = 4 (since interest compounds quarterly)
[tex]Total value = $50,000 \times (1 + (0.0525 / 4))^{(4 \times3.67) } = $60,357.91[/tex]
Therefore, the total value of the loan with quarterly compounded interest is $60,357.91.
Part C:
To calculate the total value of the loan with continuously compounded interest, we can use the formula:
[tex]Total value = Principal \times e^{(interest rate \times time)}[/tex]
Where,
Principal = $50,000
Interest rate = 5.25% = 0.0525
Time = 3 years and 8 months = 3.67 years
[tex]Total value = $50,000 \times e^{(0.0525 \times 3.67) } = $60,441.82[/tex]
Therefore, the total value of the loan with continuously compounded interest is $60,441.82.
Part D:
From the calculations in Parts A, B, and C, we can see that the loan with continuously compounded interest has the highest total value of $60,441.82.
This is followed by the loan with quarterly compounded interest with a total value of $60,357.91, and finally the loan with simple interest with a total value of $59,660.50.
Therefore, the best choice for the small business owner would be to take the loan with simple interest, as it has the lowest total value and thus the lowest cost to repay.
However, if the small business owner is willing to pay a higher cost for the loan, they could consider the loan with quarterly or continuously compounded interest, which have higher total values.
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Find the solution of the exponential equation
5^-x/16=5
in terms of logarithms, or correct to four decimal places.
x= ------------
here is the picture if you need it.
The solution of the exponential equation is x = -16
Finding the solution of the exponential equationFrom the question, we have the following parameters that can be used in our computation:
5^-x/16=5
Take the logarithm of both sides of the equation
So, we have the following representation
-x/16 log(5) = log(5)
Divide both sides of the equation by log(5)
-x/16 = 1
So, we have
x = -16 * 1
Evaluate
x = -16
Hence, the solution to the equation is x = -16
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Find the equation of degree 3 polynomial function with real coefficients having zeros x = - 2 with multiplicity 2 and x = 3 with multiplicity 1. The function passes through the point (1, 54)
The equation of the polynomial is f ( x ) = -13.5 ( x + 2 )²( x - 3 )
Given data ,
The equation of degree 3 polynomial function with real coefficients
And , zeros x = - 2 with multiplicity 2 and x = 3 with multiplicity 1
where function passes through the point (1, 54)
If a polynomial function has a zero x = a with multiplicity k, then the factor (x - a)^k appears in its factored form.
Therefore, a degree 3 polynomial function with zeros x = -2 with multiplicity 2 and x = 3 with multiplicity 1 can be written in factored form as:
f(x) = a(x + 2)²(x - 3)
where a is a constant factor. To find the value of a, we use the fact that the function passes through the point (1, 54):
f(1) = a(1 + 2)²(1 - 3) = 54
a(-1)²(-2) = 54
-4a = 54
Divide by -4 on both sides , we get
a = -13.5
Hence , the equation of the degree 3 polynomial function with the given zeros and passing through the point (1, 54) is f ( x ) = -13.5 ( x + 2 )²( x - 3 )
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AI can buy a box of 30 used CD's for 150.how much would he pay for 80 CD´s at the same unit price
Please help me it’s due today!!!
Diagonals that bisect each other: Rhombus, Rectangle, Square.
Diagonals that bisect each other and are congruent: Rectangle, Square.
Diagonals that bisect each other and are perpendicular to each other: Square.
A parallelogram does not necessarily have diagonals that bisect each other.
A rhombus has diagonals that bisect each other.
This means that the diagonals intersect at their midpoints.
A rectangle has diagonals that bisect each other.
Additionally, the diagonals of a rectangle are congruent, meaning they have the same length.
A square has diagonals that bisect each other.
The diagonals of a square are congruent and perpendicular to each other.
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A town randomly surveyed some residents to see if they were interested in adding a dog park. The results of the survey are shown in the two-way
table.
In Favor Not In Favor Total
Male
19
21
40
Female 16
34
50
Total
35
55
90
What is the probability that a randomly selected resident is in favor of the dog park?
O
A.
O
O B. T/100
C.. 7/3
18
19
90
U
OD. 11
18
The probability that a randomly selected resident is in favor of the dog park is option
B. 7/18
How to find the probabilityTo find the probability that a randomly selected resident is in favor of the dog park we have to determine the number of residents who are in favor and divide it by the total number of residents surveyed
the number of residents in favor of the dog park
= in favor both male and female
= 19 + 16
= 35.
total number of residents surveyed is 90
the probability
P(In Favor) = Number of residents in favor / total number of residents surveyed
= 35 / 90
= 7/18
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Simplify:
-$4500 + $3000 + (-$800)
The circle has center O. Its radius is 2 m, and the central angle a measures 160°. What is the area of the shaded region?
Give the exact answer in terms of
, and be sure to include the correct unit in your answer.
Answer:
Area_shaded_region = 2 * (√(1 - cos^2(4π/9))) - (16/9)π m^2
Step-by-step explanation:
To find the area of the shaded region, we need to subtract the area of the sector from the area of the triangle formed by the radius and the two radii connecting to the endpoints of the central angle.
First, let's find the area of the sector:
The formula for the area of a sector is (θ/360) * π * r^2, where θ is the central angle and r is the radius.
Given that the radius is 2 m and the central angle is 160°, we have:
θ = 160°
r = 2 m
Converting the angle to radians:
θ_radians = (160° * π) / 180° = (8π/9) radians
Now, we can calculate the area of the sector:
Area_sector = (θ_radians / (2π)) * π * r^2
= (8π/9) / (2π) * π * 2^2
= (4/9) * π * 4
= (16/9)π m^2
Next, let's find the area of the triangle:
The formula for the area of a triangle is (1/2) * base * height.
The base of the triangle is equal to the length of the radius, which is 2 m.
The height of the triangle can be found using the formula h = r * sin(θ/2).
θ = 160°
r = 2 m
Converting the angle to radians:
θ_radians = (160° * π) / 180° = (8π/9) radians
Calculating the height:
h = 2 * sin(θ_radians/2)
= 2 * sin((8π/9)/2)
= 2 * sin(4π/9)
= 2 * (√(1 - cos(4π/9)^2))
= 2 * (√(1 - cos^2(4π/9)))
Now, we can calculate the area of the triangle:
Area_triangle = (1/2) * base * height
= (1/2) * 2 * 2 * (√(1 - cos^2(4π/9)))
= 2 * (√(1 - cos^2(4π/9)))
Finally, we can find the area of the shaded region by subtracting the area of the sector from the area of the triangle:
Area_shaded_region = Area_triangle - Area_sector
= 2 * (√(1 - cos^2(4π/9))) - (16/9)π m^2
This is the exact answer in terms of π, with the correct unit of measurement (m^2).
Prove that sin³A + sin³(60° + A) + sinº(240° + A) = -3/4sin3A
Answer:
See below for proof.
Step-by-step explanation:
[tex]\boxed{\textsf{Prove that}\;\;\sin^3A + \sin^3(60^{\circ} + A) + \sin^3(240^{\circ}+ A) = \sin^3A}[/tex]
Step 1Rewrite 240° as (180° + 60°):
[tex]\sin^3A + \sin^3(60^{\circ} + A) + \sin^3(180^{\circ}+60^{\circ}+ A)[/tex]
Step 2As sin(180° + x) = -sin(x), we can rewrite sin³(180° + 60° + A) as:
[tex]\sin^3(180^{\circ}+60^{\circ}+ A)=-\sin^3(60^{\circ}+ A)[/tex]
Step 3Substitute this into the expression:
[tex]\sin^3A + \sin^3(60^{\circ} + A) -\sin^3(60^{\circ}+ A)[/tex]
Step 4As the last two terms cancel each other, we have:
[tex]\sin^3A[/tex]
Hence proving that:
[tex]\sin^3A + \sin^3(60^{\circ} + A) + \sin^3(240^{\circ}+ A) = \sin^3A[/tex]
As one calculation:
[tex]\sin^3A + \sin^3(60^{\circ} + A) + \sin^3(240^{\circ}+ A)[/tex]
[tex]=\sin^3A + \sin^3(60^{\circ} + A) + \sin^3(180^{\circ}+60^{\circ}+ A)[/tex]
[tex]=\sin^3A + \sin^3(60^{\circ} + A) -\sin^3(60^{\circ}+ A)[/tex]
[tex]=\sin^3A[/tex]
[tex]\hrulefill[/tex]
[tex]\boxed{\textsf{Prove that}\;\;\sin^3A + \sin^3(120^{\circ} + A) + \sin^3(240^{\circ}+ A) = -\dfrac{3}{4}\sin 3A}[/tex]
Step 1Use the sine and cos double angle identities to rewrite sin(3x) in terms of sin(x):
[tex]\begin{aligned}\sin(3x)&=\sin(2x+x)\\&=\sin2 (x)\cos (x)+\sin (x)\cos2 (x)\\&=(2\sin (x)\cos (x))\cos (x)+\sin (x)(1-2\sin^2 (x))\\&=2\sin (x)\cos^2 (x)+\sin (x)-2\sin^3 (x)\\&=2\sin (x)(1-\sin^2 (x))+\sin (x)-2\sin^3 (x)\\&=2\sin (x)-2\sin^3 (x)+\sin (x)-2\sin^3 (x)\\&=3\sin (x)-4\sin^3 (x)\end{aligned}[/tex]
Rearrange to isolate sin³x:
[tex]\begin{aligned}\sin(3x)&=3\sin (x)-4\sin^3 (x)\\\\4\sin^3 (x)&=3\sin (x)-\sin (3x)\\\\\sin^3 (x)&=\dfrac{3\sin (x)-\sin (3x)}{4}\end{aligned}[/tex]
Step 2Use this expression to rewrite the terms in sin³A on the left side of the equation:
[tex]\sin^3A + \sin^3(120^{\circ} + A) + \sin^3(240^{\circ}+ A)[/tex]
[tex]=\dfrac{3\sin A-\sin3A}{4}+ \dfrac{3\sin (120^{\circ} + A)-\sin (3(120^{\circ} + A))}{4}+\dfrac{3\sin (240^{\circ}+ A)-\sin (3(240^{\circ}+ A))}{4}[/tex]
[tex]=\dfrac{3\sin A-\sin3A+3\sin (120^{\circ} + A)-\sin (360^{\circ} + 3A)+3\sin (240^{\circ}+ A)-\sin (720^{\circ}+ 3A)}{4}[/tex]
Step 3As sin(x ± 360°n) = sin(x), we can simplify:
[tex]\sin(360^{\circ}+3A) = \sin (3A)[/tex]
[tex]\sin(720^{\circ}+3A) = \sin (3A)[/tex]
Therefore:
[tex]=\dfrac{3\sin A-\sin3A+3\sin (120^{\circ} + A)-\sin (3A)+3\sin (240^{\circ}+ A)-\sin (3A)}{4}[/tex]
[tex]=\dfrac{3\sin A-3\sin3A+3\sin (120^{\circ} + A)+3\sin (240^{\circ}+ A)}{4}[/tex]
Factor out the 3 in the numerator:
[tex]=\dfrac{3\left(\sin A-\sin3A+\sin (120^{\circ} + A)+\sin (240^{\circ}+ A)\right)}{4}[/tex]
Step 4Rewrite 240° = 180° + 60°:
[tex]\sin(240^{\circ} + A) = \sin(180^{\circ} + 60^{\circ} + A)[/tex]
As sin(180° + x) = -sin(x), we can rewrite sin(180° + 60° + A) as:
[tex]- \sin(60^{\circ} + A)[/tex]
Therefore:
[tex]=\dfrac{3\left(\sin A-\sin3A+\sin (120^{\circ} + A)-\sin (60^{\circ}+ A)\right)}{4}[/tex]
Step 5As sin(120° + x) = sin(60° - x) then:
[tex]=\dfrac{3\left(\sin A-\sin3A+\sin (60^{\circ} -A)-\sin (60^{\circ}+ A)\right)}{4}[/tex]
Step 6As sin(60° - x) - sin(60° + x) = -sin(x), then:
[tex]=\dfrac{3\left(\sin A-\sin3A-\sin A\right)}{4}[/tex]
Step 7Simplify:
[tex]=\dfrac{-3\sin3A}{4}[/tex]
[tex]=-\dfrac{3}{4}\sin3A[/tex]
Hence proving that:
[tex]\sin^3A + \sin^3(120^{\circ} + A) + \sin^3(240^{\circ}+ A) = -\dfrac{3}{4}\sin 3A[/tex]
Help needed! 20 points pls
The number of peanuts in a 16-ounce can of Nut Munchies is normally distributed with a mean of 94 and a standard deviation of 3 peanuts.
(a) Use the mean and standard deviation to label the intervals below the normal distribution below. (Fill in all 7 of the boxes.)
(b) What is the probability that a 16-ounce can of Nut Munchies will contain between 88 and 97 nuts?
(c) What is more likely to happen, for a 16-ounce can of Nut Munchies to have between 88 and 94 nuts, or for the can to have over 97 nuts? How do you know?
The mean and standard deviation are less than 88 peanuts: z = (88 - 94) / 3 = -2
between 88 and 91 peanuts: z = (91 - 94) / 3 = -1
between 91 and 94 peanuts: z = (94 - 94) / 3 = 0
between 94 and 97 peanuts: z = (97 - 94) / 3 = 1
greater than 97 peanuts: z = (97 - 94) / 3 = 1
The probability that a 16-ounce can of Nut Munchies will contain between 88 and 97 nuts is 0.8186, or approximately 82%.
The probability of the former event is 0.4772, which is greater than the probability of the latter event, which is 0.1587.
(a) The intervals below the normal distribution can be labeled using z-scores, which are calculated using the formula:
z = (x - μ) / σ
where x is the value of interest, μ is the mean, and σ is the standard deviation.
The intervals and their corresponding z-scores are:
less than 88 peanuts: z = (88 - 94) / 3 = -2
between 88 and 91 peanuts: z = (91 - 94) / 3 = -1
between 91 and 94 peanuts: z = (94 - 94) / 3 = 0
between 94 and 97 peanuts: z = (97 - 94) / 3 = 1
greater than 97 peanuts: z = (97 - 94) / 3 = 1
(b) To find the probability that a 16-ounce can of Nut Munchies will contain between 88 and 97 nuts, we need to find the area under the normal distribution curve between the corresponding z-scores. Using a standard normal distribution table or a calculator, we can find that:
P(88 ≤ X ≤ 97) = P(-2 ≤ Z ≤ 1) = 0.8186
Therefore, the probability that a 16-ounce can of Nut Munchies will contain between 88 and 97 nuts is 0.8186, or approximately 82%.
(c) To determine which event is more likely, we can compare the probabilities of each event. Using the same method as in part (b), we can find that:
P(88 ≤ X ≤ 94) = P(-2 ≤ Z ≤ 0) = 0.4772
P(X > 97) = P(Z > 1) = 0.1587
Therefore, it is more likely for a 16-ounce can of Nut Munchies to have between 88 and 94 nuts than to have over 97 nuts, since the probability of the former event is 0.4772, which is greater than the probability of the latter event, which is 0.1587.
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PLEASE HELP
The box plot represents the number of tickets sold for a school dance.
A horizontal line labeled Number of Tickets sold that starts at 8, with tick marks every one unit up to 30. The graph is titled Tickets Sold for A Dance. The box extends from 17 to 21 on the number line. A line in the box is at 19. The lines outside the box end at 10 and 27.
Which of the following is the appropriate measure of center for the data, and what is its value?
The mean is the best measure of center, and it equals 19.
The median is the best measure of center, and it equals 4.
The median is the best measure of center, and it equals 19.
The mean is the best measure of center, and it equals 4.
Answer:
The median is the best measure of center, and it equals 19.
Step-by-step explanation:
The line for the median is exactly on 19
The line in the box of a box plot represents the median of the data. For this particular data set shown in the box plot, the median is 19.
Explanation:In the described box plot, the line in the box that is at the number 19 represents the median of the data. This is because a box plot illustrates the five number summary of a data set: the minimum, the first quartile, the median (second quartile), the third quartile, and the maximum. The line inside the box always represents the median. Therefore, the correct choice is: The median is the best measure of center, and it equals 19.
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2. Which of the following is an opinion?
A Nicky was one of many other paragliders in competition.
B. Paragliders are scared of the height involved when paragliding.
C. Eagles attacked Nicky's glider in this story.
D. Eagles have a wingspan up to 6 feet.
Answer:
B. Paragliders are scared of the height involved when paragliding.Can someone help me with this please i’m giving 50 points
The volume of each figure is given below:
Figure 1: [tex]819 \ feet[/tex]³
Figure 2: [tex]1,728 \ m[/tex]³
Figure 3: [tex]10,696 \pi[/tex] yards³
Figure 4: [tex]1,079.5[/tex] m³
Figure 5: [tex]4,680[/tex] yards³
Figure 1: In the first figure we can see a Cuboid. So below is the method to find the cuboid's volume:
Given dimensions:
Length (l) = [tex]9[/tex] feet, Breadth (b) = [tex]13[/tex] feet, Width (w) = [tex]7[/tex] feet.
Formula:
[tex]\[ V = l \times b \times w \][/tex]
[tex]\[ V = 9 \, \text{feet} \times 13 \, \text{feet} \times 7 \, \text{feet} \][/tex]
Figure 2: In the given figure we see a Prism. Below is the method to find its volume:
Given dimensions:
Hypotenuse = [tex]15[/tex] m, Base = [tex]9[/tex] m, Height = [tex]12[/tex] m, Width = [tex]16[/tex] m.
Formula:
[tex]\[ V = \text{Base} \times \text{Height} \times \text{Width} \][/tex]
[tex]\[ V = 9 \, \text{m} \times 12 \, \text{m} \times 16 \, \text{m} \][/tex]
Figure 3: Here we have the method to find the volume of a Cylinder:
Given dimensions:
Length (l) = [tex]26[/tex] yards, Radius (r) = [tex]11[/tex] yards.
Formula:
[tex]\[ V = \pi \times r^2 \times l \][/tex]
[tex]\[ V = \pi \times (11 \, \text{yards})^2 \times 26 \, \text{yards} \][/tex]
Figure 4: Here, we have the method to find the volume of a Cuboid:
Given dimensions are:
Length (l) = [tex]9[/tex] m, Breadth (b) = [tex]9[/tex] m, Height (h) = [tex]13.5[/tex] m.
Formula:
[tex]\[ V = l \times b \times h \][/tex]
[tex]\[ V = 9 \, \text{m} \times 9 \, \text{m} \times 13.5 \, \text{m} \][/tex]
Figure 5: Next figure is a Prism.
The dimensions that have been given to us are:
Hypotenuse = [tex]15[/tex] yards, Base = [tex]15[/tex] yards, Height = [tex]13[/tex] yards, Width = [tex]24[/tex] yards.
Formula:
[tex]\[ V = \text{Base} \times \text{Height} \times \text{Width} \][/tex]
Now we will calculate it according to the values given in the question:
[tex]\[ V = 15 \, \text{yards} \times 13 \, \text{yards} \times 24 \, \text{yards} \][/tex]
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Which statement describes the relationship between the x- and y-values shown in the graph?
A coordinate plane has x-axis and y-axis with values ranging from negative 6 to 10. A positive slope passes through the points (negative 4, negative 6), (negative 2, negative 4), (2, 0), (4, 2), and (6, 4).
In this example, a positive relationship between the x- and y-values is demonstrated. This basically demonstrates that when one value increases, the other typically does too, and vice versa when one value decreases in the graph.
An x and y coordinate plane with values between -6 and +10 is displayed on the graph.
The points (2, 0), (4, 2), (6, 4), (negative 2, negative 4), and (negative 4, negative 6) are all connected by a line. The y values rise in proportion to the x values because the line has a positive slope.
In this example, a positive relationship between the x- and y-values is demonstrated. This basically demonstrates that when one value increases, the other typically does too, and vice versa when one value decreases.
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The complete question is-
Which statement describes the relationship between the x- and y-values shown in the graph?
A coordinate plane has x-axis and y-axis with values ranging from negative 6 to 10. A positive slope passes through the points (negative 4, negative 6), (negative 2, negative 4), (2, 0), (4, 2), and (6, 4).
Find the surface area
Answer:
40 is the surface area.
Explanation on hiw to get the answer:
Suppose the density field of a one-dimensional continuum is
ρ = exp[cos(t − x)]
and the velocity field is
v = sin(t − x).
1. What is the flux of material past x = 0 as a function of time?
The flux of material past x = 0 is zero for all times.
What is the flux of material?The flux of material past x = 0 can be calculated by integrating the product of density and velocity over the spatial domain.
This is calculated as;
Φ = ∫ ρv dx
ρ = exp[cos(t − x)]
v = sin(t − x)
where;
ρ is densityv is the velocityThe flux of material past x = 0 is calculated as;
Φ = ∫ exp[cos(t − x)] sin(t − x) dx
sin(t − x) = an odd functionexp[cos(t − x)] = even function∫ exp[cos(t − x)] sin(t − x) dx, is the integration of an odd function over a symmetric interval [-π, π] which is zero.
Φ = ∫ exp[cos(t − x)] sin(t − x) dx = 0
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Graph the function f(x) = -(1/5)^x+5 +7 on the axes below. You must Plot the asymptote and any two points with the integer coordinates
The graph of the function is added as an attachment
The asymptote: y = 7 and the points are (-5, 6) and (-7, -18)
Sketching the graph of the functionFrom the question, we have the following parameters that can be used in our computation:
f(x) = -(1/5)ˣ ⁺ ⁵+ 7
The above function is an exponential function that has been transformed as follows
Reflected over the x-axisDecay factor of 1/5Shifted left by 5 unitsShifted up by 5 unitsNext, we plot the graph using a graphing tool by taking not of the above transformations rules
The graph of the function is added as an attachment, where we have the following points
Asymptote: y = 7
(-5, 6) and (-7, -18)
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Suppose we want to choose 2 letter without replacement from the 3 letters a,b and c how many ways can this be done if the order of choice is taken into consideration and how many ways can this be done if the order of choices is not taken into consideration?
When not considering the order of choice, there are also 3 ways to choose 2 letters from a, b, and c.
How to determine in how many ways can this be done if the order of choices is not taken into considerationWhen choosing 2 letters without replacement from the 3 letters a, b, and c, the number of ways can be calculated considering the order of choice and without considering the order of choice.
1. Considering the order of choice:
In this case, the order in which the letters are chosen matters. We can think of this as a permutation problem.
To calculate the number of ways when order matters, we use the formula for permutations:
[tex]nPr = n! / (n - r)![/tex]
where n is the total number of items and r is the number of items chosen.
In this case, we have 3 letters and we want to choose 2, so n = 3 and r = 2.
Using the formula, we get:
[tex]3P2 = 3! / (3 - 2)![/tex]
[tex]= 3! / 1![/tex]
= 3
Therefore, when considering the order of choice, there are 3 ways to choose 2 letters from a, b, and c.
2. Without considering the order of choice:
In this case, the order in which the letters are chosen does not matter. We can think of this as a combination problem.
To calculate the number of ways when order does not matter, we use the formula for combinations:
[tex]nCr = n! / (r!(n - r)!)[/tex]
Using the same values of n = 3 and r = 2, we get:
[tex]3C2 = 3! / (2!(3 - 2)!)[/tex]
= [tex]3! / (2! * 1!)[/tex]
= 3
Therefore, when not considering the order of choice, there are also 3 ways to choose 2 letters from a, b, and c.
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A student is being randomly selected. The school has 1000 students. Thirty-two students ride on bus 7. Forty students ride on bus 10. Three hundred students walk to school.
What is the probability that the student either rides on bus 7 or rides on bus 10?
Answer:
The answer is 2,000,
Step-by-step explanation:
Probability :- Probability is a way to gauge how likely something is to happen. It is represented by a number between [tex]0[/tex] and [tex]1[/tex], with [tex]0[/tex] denoting an impossibility and [tex]1[/tex] denoting a certainty. By dividing the number of favorable outcomes by the total number of possible outcomes, the probability of an event is determined.
A total of [tex]32 + 40 + 300 = 372[/tex] children either take bus number seven, bus number ten, or walk to school.
The proportion of students that ride bus [tex]7[/tex] or bus [tex]10[/tex] to the total number of students determines the likelihood that a student will board either bus [tex]7[/tex]or bus [tex]10[/tex].
[tex]P(taking bus number seven or ten) = (32 + 40) / 1000[/tex]
[tex]P(taking bus number seven or ten) = 72/1000[/tex]
[tex]P(using bus number 7 or ten) = 0.072[/tex]
Therefore, the probability that the student either rides on bus 7 or rides on bus 10 is 0.072 or 7.2%.
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Find the solutions of the equation in the interval [-2,2] cot(x)= square root 3
X=?
The solution of the function on the interval is x = 0.524 radians.
What is the solutions of the equation in the interval [-2,2]?The solution of the function on the interval is calculated as follows;
cot(x)= √3
1/tan(x) = √3
Simplify the expression as follows;
1 = √3tan(x)
tan(x) = 1/√3
The solutions of this equation in the interval [-2,2], is calculated as;
x = tan⁻¹(1/√3)
x = 0.524 radians
Another solution of x;
x = tan⁻¹(1/√3) + π = 3.67 radians
This value is not in the given interval, so there is only one solution to the equation cot(x) = √3 in the interval [-2,2], which is approximately x = 0.524 radians.
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Mrs lucas classroom is a rectangle that measures by 9 feet by 12 feet what is the diagonal distance across the floor
Answer:
15 feet
Step-by-step explanation:
a^2+b^2=c^2
9^2+12^2=c^2
81+144=c^2
225=c^2
15=c
distance across floor =15 feet
Find two numbers with a product of 45 and a sum of 14
List them from least to greatest.
Answer: 5, 9
Step-by-step explanation:
factors of 45:
1, 3, 5, 9, 15, 45
Sums: 46, 24, 14
the factors 5 and 9 multiply to get 45 and add to get 14
voila!
Find the measure of the arc or angle indicated. Assume that lines which appear tangent are tangent.
Applying the angle of intersecting secant-tangent theorem, the measure of arc VT is calculated as: m(VT) = 116°.
How to Find the Measure of Arc Using the Angle of Intersecting Secant-Tangent Theorem?Given that the lines appear tangent, the measure of the arc VT indicated above can be calculated using the angle of intersecting secant-tangent theorem which states that:
m<U = 1/2(m(WT) - m(VT))
Given the following:
measure of angle U = 37 degrees.
measure of arc WT = 190 degrees.
Plug in the values:
37 = 1/2(190 - m(VT))
74 = 190 - m(VT)
m(VT) = 190 - 74
m(VT) = 116°
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Need help on this…. Question pls help??
The segment lengths for this problem are given as follows:
AB = 7.AE = 9.BC = 10.05.How to calculate the distance between two points?Suppose that we have two points of the coordinate plane, and the ordered pairs have coordinates given by [tex](x_1,y_1)[/tex] and [tex](x_2,y_2)[/tex].
The shortest distance between them is given by the equation presented as follows, derived from the Pythagorean Theorem:
[tex]D = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}[/tex]
Hence the length of segment AB is given as follows:
[tex]AB = \sqrt{(2 - (-5))^2 + (4 - 4)^2} = 7[/tex]
The length of segment AE is given as follows:
[tex]AE = \sqrt{(-5 - (-5))^2 + (4 - (-5))^2} = 9[/tex]
The length of segment BC is given as follows:
[tex]BC = \sqrt{(5-4)^2 + (5 - (-5))^2} = 10.05[/tex]
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In a Leichtman Research Group survey of 1000 TV households, 74.8% of them had at least one Internet-connected TV device (for example, Smart TV, standalone streaming device, connected video game console). A marketing executive wants to convey high penetration of Internet-connected TV devices, so he makes the claim that the percentage of all homes with at least one Internet-connected TV device is equal to 78%. Test that claim using a 0.01 significance level. Use the P-value method. Use the normal distribution as an approximation to the binomial distribution.
W do not have sufficient evidence at the 0.01 level of significance to reject the claim made by the marketing executive
How to explain the normal distributionWe'll perform a one-sample z-test for proportions.
From the survey, we know:
Sample size (n) = 1000
Sample proportion) = 0.748
Under the null hypothesis:
Proportion (p0) = 0.78
Now we can calculate the z-score:
z = (0.748 - 0.78) / ✓(0.78 * (1 - 0.78)) / 1000]
= -0.032 / ✓(0.1716 / 1000]
= -0.032 / 0.0131
≈ -2.44
From the z-table, the P-value for -2.44 is approximately 0.015.
However, we need to double this value to get the two-tailed P-value: 2 * 0.015 = 0.03.
If the P-value is less than the significance level (α = 0.01), we reject the null hypothesis. In this case, the P-value (0.03) is greater than α, so we do not reject the null hypothesis.
Based on the data from the Leichtman Research Group survey, we do not have sufficient evidence at the 0.01 level of significance to reject the claim made by the marketing executive.
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Please help!!! I will give points I need help asap!!!!
Answer:
[tex]x=(x-3)^{\frac{9}{5}}[/tex]
Step-by-step explanation:
The first thing we are going to do is change both sides of the equation to be base (x-3):
[tex](x-3)^{log_{(x-3)}(x)}=(x-3)^{\frac{9}{5}}[/tex].
Now, since the log is in base (x-3), the base (x-3) and the log cancel out:
[tex]x = (x-3)^\frac{9}{5}[/tex]
This is the final answer.
Find the length of segment AB. Show all your work.
4.5 mm is the measurement of the given line AB.
In the given graph both lines AE and BD are parallel.
So, the ratio between the two lines will be the same,
Thus, from the above property
AC/AB= EC/ED
in the given case,
AC =36 mm
EC = 72 mm
ED = 9 mm
Substitute the value in the above equation,
36/AB = 72/9
AB = 9/2
AB = 4.5 mm
Therefore, the measurement of line AB is 4.5 mm.
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What is the equation of the line shown in the coordinate plane below?
a=y=6x
b=y=-6x
c=y=1/6x
d=y=-1/6 x
Please show your work.
Answer:
your answer is c=y=1/6x
Jackson invested $680.00 in an account that earns 1.5% simple interest annually. He made no additional deposits or withdrawals for 2 years. What was Jackson's account balance at the end of 2 years?
At the end of 2 years, Jackson's account balance is $700.40.
We have,
The formula for calculating simple interest is:
I = Prt
Where:
I is the interest earned
P is the principal amount
r is the interest rate
t is the time period
In this case,
Jackson invested $680.00 at an annual interest rate of 1.5% for 2 years. Therefore:
P = $680.00
r = 1.5% = 0.015
t = 2 years
Plugging these values.
I = Prt = $680.00 x 0.015 x 2 = $20.40
So,
Jackson earned $20.40 in interest over 2 years.
To find his total account balance at the end of 2 years, we need to add the interest earned to the initial principal:
Total balance
= $680.00 + $20.40
= $700.40
Therefore,
At the end of 2 years, Jackson's account balance is $700.40.
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-4 is less than w, and 0 is greater than w
Answer:
-3,-2,-1 is less than -4 and not greater than
Step-by-step explanation: