To find a formula for the sum of n terms, we need to first write out the first few terms of the series and look for a pattern:
n=1: (6+1/1) (2/1) = 14
n=2: (6+1/2) (2/2) + (6+2/2) (2/2) = 16
n=3: (6+1/3) (2/3) + (6+2/3) (2/3) + (6+3/3) (2/3) = 17 1/3
n=4: (6+1/4) (2/4) + (6+2/4) (2/4) + (6+3/4) (2/4) + (6+4/4) (2/4) = 18
From this, we can see that the nth term is given by (6+i/n) (2/n). To find the sum of n terms, we simply add up all of the terms from i=1 to i=n:
∑ (6+i/n) (2/n) = (2/n) ∑ (6+i/n)
Using the formula for the sum of an arithmetic series, we get:
∑ (6+i/n) = n/2 (6 + (6+n)/n)
Substituting this back into our expression for the sum of n terms, we get:
∑ (6+i/n) (2/n) = (2/n) * (n/2) * (6 + (6+n)/n) = 6 + (6+n)/n
Taking the limit as n approaches infinity, we get:
lim (6 + (6+n)/n) = 6 + lim ((6+n)/n) = 6 + 1 = 7
Therefore, the limit of the given series as n approaches infinity is 7.
To find the formula for the sum of n terms, we will use the concept of Riemann sums. Given the expression you provided, it appears that you are trying to compute the limit of the Riemann sum as n approaches infinity, which will give you the integral of the function.
Expression: lim (n→∞) ∑ (6 + i/n) (2/n)
First, let's rewrite the Riemann sum in integral form:
∫(6 + x)dx
Now we need to find the integral of the function and evaluate it over a specific interval. However, you haven't provided the interval, so I'll assume it is [a, b].
∫(6 + x)dx evaluated from a to b will give us the formula for the sum of n terms:
F(x) = 6x + (1/2)x^2
Now, evaluate F(x) over the interval [a, b]:
F(b) - F(a) = [6b + (1/2)b^2] - [6a + (1/2)a^2]
This is the formula for the sum of n terms. To find the limit as n approaches infinity, you will need to provide the specific interval [a, b]. Otherwise, the limit cannot be determined without further information.
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Kaleb’s mom owns a confidence store. He is helping her replace the tile floor. The tile costs $2.00 per ft squared.
How much will the tile cost?
Answer:
425
Step-by-step explanation:
212,5*2=425
Simplify −2r(−16r + 3r − 18). −26r2 − 36r 26r2 + 36 26r2 + 36r −26r2 + 36r
Answer:
26r^2 + 36r.
Step-by-step explanation:
(1 point) Consider the power series 00 Σ (-4)" -(x + 6)". n=1 Vn Find the radius of convergence R. If it is infinite, type "infinity" or "inf", Answer: R= What is the interval of convergence? Answer
The radius of convergence R is 1/4 and the interval of convergence is (-6.25, -5.75) for the power series
∑((-4[tex])^n[/tex]) * (-(x + 6[tex])^n[/tex]) / sqrt(n)
To find the radius of convergence (R) and interval of convergence for the power series ∑((-4[tex])^n[/tex]) * (-(x + 6[tex])^n[/tex]) / sqrt(n)
where n starts from 1 to infinity,
We can use the Ratio Test.
Step 1: Apply the Ratio Test
We want to find the limit as n approaches infinity of the absolute value of the (n+1)th term divided by the nth term:
lim (n→∞) |((-4[tex])^{(n+1)[/tex] * (-(x + 6)^(n+1)) / sqrt(n+1)) / ([tex](-4)^n[/tex] * (-(x + 6[tex])^n[/tex]) / sqrt(n))|
Step 2: Simplify the expression
The limit simplifies to:
lim (n→∞) |((-4)(x + 6))/sqrt((n+1)/n)|
Step 3: Find when the limit is less than 1
For the series to converge, the limit must be less than 1:
|(-4)(x + 6)| / sqrt((n+1)/n) < 1
As n approaches infinity, (n+1)/n approaches 1, so the expression simplifies to:
|-4(x + 6)| < 1
Step 4: Determine the radius of convergence (R)
Divide both sides by 4:
|-(x + 6)| < 1/4
The radius of convergence, R, is 1/4.
Step 5: Determine the interval of convergence
To find the interval of convergence, solve for x:
-1/4 < (x + 6) < 1/4
-1/4 - 6 < x < 1/4 - 6
-6.25 < x < -5.75
Thus, the interval of convergence is (-6.25, -5.75).
In summary, the radius of convergence R is 1/4 and the interval of convergence is (-6.25, -5.75).
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It costs $ 35 per hour to rent a boat at the lake. You also need to pay a $ 25 fee for safety equipment. You have $ 200 . How long can you rent the boat? CLEAR CHECK Write the equation that represents the situation. 35 + = $ 200 Solve for h . h = hours
Answer: H = 5
the equation would be, 35h - 25 = $200
Step-by-step explanation:
Later in the summer as the garden plants were fading, claire decided that
she
would raise rabbits. she pulled out the dead plants and cleaned up the area. her
research showed that each rabbit needs 2 square feet of space in a pen, and that
rabbits reproduce every month, having litters of about 6 kits. she started with 2
rabbits (one male and one female). claire began tracking the number of rabbits
at the end of each month and
displayed her data in the table:
i need to get to 12 months can anyone help me please?
By the end of 12 months, Claire will need 1,596,018 pens to house all the rabbits.
The number of adult rabbits in each month is the sum of the adult rabbits from the previous month and the number of baby rabbits that have grown to adulthood.
The number of baby rabbits in each month is the product of the number of adult rabbits in the previous month and the number of kits each pair of rabbits produces (6 in this case).
The total number of rabbits is simply the sum of the number of adult rabbits and the number of baby rabbits. Finally, the minimum pen size needed is found by divide the total number of rabbits by 2 (since each rabbit needs 2 square feet of space).
Month 1
Beginning of month: 2 rabbits (1 male, 1 female)
End of month: 8 rabbits (3 males, 5 females)
Number of pens needed: 16 square feet / 2 square feet per pen = 8 pens
Month 2
Beginning of month: 8 rabbits (3 males, 5 females)
End of month: 26 rabbits (11 males, 15 females)
Number of pens needed: 52 square feet / 2 square feet per pen = 26 pens
Month 3
Beginning of month: 26 rabbits (11 males, 15 females)
End of month: 80 rabbits (35 males, 45 females)
Number of pens needed: 160 square feet / 2 square feet per pen = 80 pens
Month 4
Beginning of month: 80 rabbits (35 males, 45 females)
End of month: 242 rabbits (105 males, 137 females)
Number of pens needed: 484 square feet / 2 square feet per pen = 242 pens
Month 5
Beginning of month: 242 rabbits (105 males, 137 females)
End of month: 728 rabbits (315 males, 413 females)
Number of pens needed: 1456 square feet / 2 square feet per pen = 728 pens
Month 6
Beginning of month: 728 rabbits (315 males, 413 females)
End of month: 2186 rabbits (945 males, 1241 females)
Number of pens needed: 4372 square feet / 2 square feet per pen = 2186 pens
Now, to continue for the next 6 months
Month 7
Beginning of month: 2186 rabbits (945 males, 1241 females)
End of month: 6568 rabbits (2835 males, 3733 females)
Number of pens needed: 13136 square feet / 2 square feet per pen = 6568 pens
Month 8
Beginning of month: 6568 rabbits (2835 males, 3733 females)
End of month: 19702 rabbits (8499 males, 11203 females)
Number of pens needed: 39404 square feet / 2 square feet per pen = 19702 pens
Month 9
Beginning of month: 19702 rabbits (8499 males, 11203 females)
End of month: 59110 rabbits (25499 males, 33611 females)
Number of pens needed: 118220 square feet / 2 square feet per pen = 59110 pens
Month 10
Beginning of month: 59110 rabbits (25499 males, 33611 females)
End of month: 177334 rabbits (76535 males, 100799 females)
Number of pens needed: 354668 square feet / 2 square feet per pen = 177334 pens
Month 11
Beginning of month: 177334 rabbits (76535 males, 100799 females)
End of month: 532006 rabbits (229799 males, 302207 females)
Number of pens needed: 1064012 square feet / 2 square feet per pen = 532006 pens
Month 12
Beginning of month: 532006 rabbits (229799 males, 302207 females)
End of month: 1596018 rabbits (689397 males, 906621 females)
Number of pens needed: 3192036 square feet / 2 square feet per pen = 1596018 pens
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Please help me with this page I’m so confused
Answer:
f(0) = 1
g(-2) = 3
f(-7)= und
g(4) x f(3) = -2 x 0 = 0
g(-4) = 2
g(x) = 0 --> x = 6, 0.5
f(x) = -1 --> x = -3, 5
f(g(3)) = f(-3) = -1
g(f(-2) = g(0) = -3
f(g(1)) = f(-3) = -1
f(g(5)) = f(-1) = 1
g(f(-4)) = g(-2) = 2
g(g(-6)) = g(4) = -2
g(f(0)) = g(1) = -3
g(f(-6)) = und
Step-by-step explanation:
In order to find the first group, such as f(0), you want to look at the f graph and find 0 on the x-axis. Wherever the y coordinate is will be the correct answer.
To find one such as f(g(3)), you want to dissect it like it is 2 problems. First, we want to find g(3) which is -3. Then we will find -3 on the f graph and find the answer with that y-coordinate.
What is the volume of this oblique cone?
well, according the Cavalieri's Principle, the volume of the oblique cone will be the same volume as the non-oblique cone, so
[tex]\textit{volume of a cone}\\\\ V=\cfrac{\pi r^2 h}{3}~~ \begin{cases} r=radius\\ h=height\\[-0.5em] \hrulefill\\ r=9\\ h=16 \end{cases}\implies V=\cfrac{\pi (9)^2(16)}{3}\implies V=432\pi ~cm^3[/tex]
The table shows the monthly fees for checking accounts at two banks. Bank F -nis K Checking Account Fees at Two Banks Monthly Fee $8 when the average daily balance is less than $500; no fee when it is $500 or more $12 when the average daily balance is less than $750; no fee when it is $750 or more Which statement is best supported by the information in the table? A The fee at Bank K will be greater than the fee at Bank F whenever the average daily balance is less than $750. The fee at Bank K will always be less than the fee at Bank F. (c The fee at Bank K will always be greater than the fee at Bank F. The fee at Bank K will be less than the fee at Bank F only when the average daily balance of $750 is maintained.
Answer:
Step-by-step explanation:
The best-supported statement by the information in the table is:
C. The fee at Bank K will always be greater than the fee at Bank F.
This is because for any given average daily balance, Bank K has a higher fee than Bank F. For example, for an average daily balance of less than $500, Bank F charges $8 while Bank K charges $12. Similarly, for an average daily balance between $500 and $750, Bank F charges no fee while Bank K charges $12. Therefore, the fee at Bank K will always be greater than the fee at Bank F.
1. a forest fire has been burning for several days. the burned area, in acres, is given by
the equation y =(4,800) 24, where d is the number of days since the area of the
fire was first measured.
a. complete the table.
d, days since first
measurement
y, acres burned
since fire started
b. look at the value of y = 4,800 - 20
when d = -1. what does it tell you
about the area burned in the fire?
what about when d = -3?
4800
0
-1
2400
-2
1200
-3
600
-5
150
c. how much area had the fire burned
a week before it measured 4,800
acres? explain your reasoning.
a. d, days since first measurement y, acres burned since fire started
0 0, 1 4800, 2 9600, 3 14400, 4 19200, 5 24000. b. when d = -1, it tells that the area burned in the fire was 4780 acres one day before the area was first measured. When d = -3, y = 4680, this means that the area burned in the fire was 4680 acres three days before the area was first measured. c. The area burned a week before the fire measured 4800 acres was approximately 115.2 acres.
a. To complete the table, we need to plug in the values of d in the given equation and calculate the corresponding values of y.
d, days since first measurement
y, acres burned since fire started
0 0
1 4800
2 9600
3 14400
4 19200
5 24000
b. When d = -1, we have:
y = (4800)(24^(-1))^(1) = 4800 - 20 = 4780
This means that the area burned in the fire was 4780 acres one day before the area was first measured.
When d = -3, we have:
y = (4800)(24^(-3))^(1) = 4800 - 120 = 4680
This means that the area burned in the fire was 4680 acres three days before the area was first measured.
c. A week before the fire measured 4800 acres, the number of days since the fire started would be:
d = 4800 / (4800/24) = 24
Therefore, a week before the fire measured 4800 acres, the fire had been burning for 24 days. Plugging in this value in the given equation, we get:
y = (4800)(24^(-24/24))^(1) = 115.2
So, the area burned a week before the fire measured 4800 acres was approximately 115.2 acres.
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This coordinate plane represents an area on a golf course. A sand hazard is located at (4, 6) and a water hazard is located at (7, 2).
Plot a point at each of the two locations. Plot only two points.
Answer:
See attached
Step-by-step explanation:
You want a graph with points plotted at (4, 6) and (7, 2), representing a sand trap and a water hazard, respectively.
CoordinatesThe ordered pair (4, 6) represents the coordinates (x, y). The x-coordinate is the number of units right of the point x=0, and the y-coordinate is the number of units up from y=0.
Both points have positive coordinates for both x and y, so will be located up and right from the origin. The plot is shown in the attachment.
<951414049393>
00 13. Suppse that an is a convergent series with known sum L. Let S = ax be then the partiul sum for this series. a) (a) Find lim S. +00 (b) Find limo 0. (e) Find lim S. d) Find lim 100T 0
Partial sums are:
a) limx→∞ S = L
b) The limit does not exist.
c) limx→∞ S = L
d) The limit does not exist.
We need to use the formulas for partial sums and limits of sequences.
First, recall that the nth partial sum of a series is given by:
Sn = a1 + a2 + ... + an
And the limit of a sequence (if it exists) is given by:
limn→∞ an
Now, let's use these formulas to answer the parts of the question:
a) Find lim S as n approaches infinity:
We have:
S = ax = a1 + a2 + a3 + ... + ax
Taking the limit as x approaches infinity, we get:
limx→∞ S = limx→∞ (a1 + a2 + a3 + ... + ax) = limn→∞ Sn
But we know that the series is convergent, so the limit of the partial sums exists and is equal to the sum of the series:
limn→∞ Sn = L
Therefore:
limx→∞ S = L
b) Find lim as x approaches 0:
We have:
S = ax = a1 + a2 + a3 + ... + ax
Taking the limit as x approaches 0, we get:
limx→0 S = limx→0 (a1 + a2 + a3 + ... + ax)
But as x approaches 0, the number of terms in the sum approaches infinity, so this limit does not exist.
c) Find lim S as x approaches infinity:
We have:
S = ax = a1 + a2 + a3 + ... + ax
Taking the limit as x approaches infinity, we get:
limx→∞ S = limx→∞ (a1 + a2 + a3 + ... + ax) = limn→∞ Sn
Again, we know that the limit of the partial sums exists and is equal to the sum of the series:
limn→∞ Sn = L
Therefore:
limx→∞ S = L
d) Find lim as x approaches 100:
We have:
S = ax = a1 + a2 + a3 + ... + ax
Taking the limit as x approaches 100, we get:
limx→100 S = limx→100 (a1 + a2 + a3 + ... + ax)
But as x approaches 100, the number of terms in the sum approaches infinity, so this limit does not exist.
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Use the function f(t) = -16t^2 + 60t + 16 to answer parts A, B, and C.
(Look at the image!)
1) Note that t is either 4 or -0.25 by virtue of the quadratic function.
2) the vertex and line of summer try are t = 1.875. See the attached graph.
How did we arrive at the above conclusion?
First, identify the values of a, b, and c in the equation...
a = -16
b = 60
c = 16
substitute these values into the quadratic formula
t = (-b ± √(b² - 4ac)) / 2a
t = (-60 ± √(60² - 4(-16)(16))) / 2(-16)
t = (-60 ± √(3600 + 1024)) / (-32)
t = (-60 ± √(4624)) / (-32)
t = (-60 ± 68) / (-32)
So, t can be:
t = (-60 + 68) / (-32) = -1/4
or
t = (-60 - 68) / (-32) = 4
2) To find the line of symmetry, we used t = -b/2a
-60/2(-16)
t = 1.875
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A national grocery chain is considering expanding their selection of prepared meals available for purchase. They believe that nationwide, 67 percent of households purchase at least one prepared meal per week from the grocery store. The results of a survey given to a random sample of Maryland households found that 641 out of 1,035 households purchase at least one meal per week at the store
Based on the survey results from Maryland households, approximately 62 percent (641/1,035) of households in Maryland purchase at least one prepared meal per week from the grocery store.
To determine if the national grocery chain should expand their selection of prepared meals, we need to compare the nationwide percentage of households that purchase at least one prepared meal per week (67%) with the percentage of Maryland households that do the same.
Here's a step-by-step explanation:
1. Calculate the percentage of Maryland households that purchase at least one prepared meal per week by dividing the number of households that do (641) by the total number of households surveyed (1,035).
Percentage of Maryland households = (641 / 1,035) * 100= 62%
2. Compare the percentage of Maryland households with the nationwide percentage (67%).
Based on the survey results from Maryland households, approximately 62 percent (641/1,035) of households in Maryland purchase at least one prepared meal per week from the grocery store.
This is slightly lower than the national estimate of 67 percent. However, it is still a significant portion of households and suggests that expanding the selection of prepared meals could be a viable option for the national grocery chain in Maryland.
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Larry went to Home Depot and buck 32 ft.² of treated plywood for $50 and 40 ft.² a regular plywood for $64 how much more does the treated plywood cost in the regular plywood in dollars per foot 
If Larry went to Home Depot and buck 32 ft.² The amount the treated plywood cost in the regular plywood in dollars per foot is: -$1.80 per foot
What is the cost?Treated plywood cost per square foot:
50 / 32
= $1.5625 per square foot
Regular plywood cost per square foot:
64 / 40
= -$1.60 per square foot
Difference in cost per square foot
1.5625 - 1.60
= -$0.0375 per square foot
Difference in cost per foot is:
(-$0.0375 / 0.0208)
≈ $1.80 per foot
Therefore based on the above calculation it treated plywood costs $1.80 less per foot than the regular plywood.
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Find the Surface Area of the triangular Prism below:
Answer:
≈ 12,78 m^2
Step-by-step explanation:
The surface area is equal to the sum of the areas of all the sides
This figure has sides of 2 triangles (bases) and 3 rectangles (lateral surface)
h (triangle) = 1m
We can find the base of the triangle by using the Pythagorean theorem (multiply by 2, because the triangle's base contains two of these identicals sides)
[tex](( {1.5})^{2} - {1}^{2} ) \times 2=( 2.25 - 1 ) \times 2= 1.25 \times 2 = 2.5> 0[/tex]
The triangle's base is equal to:
[tex] \sqrt{2.5} = \frac{ \sqrt{10} }{2} [/tex]
First, let's find the area of 2 bases (triangles):
[tex]a(bases) = 2 \times \frac{1}{2} \times 1 \times \frac{ \sqrt{10} }{2} = \frac{ \sqrt{10} }{2} [/tex]
Now, we can find the whole surface area by adding the areas of the rectangles to the bases' areas:
[tex]a(surface) = \frac{ \sqrt{10} }{2} + 2.4 \times 2 + 1.5 \times 2 + 1.7 \times 2 = \frac{ \sqrt{10} }{2} + \frac{56}{5} ≈12.78[/tex]
Use this information for Ms. Yamagata is going to tile the floor of her rectangular bathroom that is 9 feet long and 73 feet wide. The cost per 6-inch tile is $0. 50. The cost per 18-inch tile is $2. 75. 4. If Ms. Yamagata uses 6-inch tiles, what are the least number of tiles that she needs to buy to cover the floor? оâ
Ms. Yamagata needs to buy at least 2628 6-inch tiles to cover the floor of her rectangular bathroom.
To determine the least number of 6-inch tiles Ms. Yamagata needs to buy to cover her 9 feet long and 73 feet wide bathroom floor, follow these steps:
1. Convert the dimensions of the bathroom to inches, as the tiles are measured in inches:
9 feet * 12 inches/foot = 108 inches long
73 feet * 12 inches/foot = 876 inches wide
2. Determine the total area of the bathroom in square inches:
Area = length * width = 108 inches * 876 inches = 94,608 square inches
3. Calculate the area of a single 6-inch tile:
Area = length * width = 6 inches * 6 inches = 36 square inches
4. Divide the total area of the bathroom by the area of a single tile to find the least number of tiles needed:
Number of tiles = total area / tile area = 94,608 square inches / 36 square inches ≈ 2,628.56
Since Ms. Yamagata cannot buy a fraction of a tile, she needs to buy at least 2,629 6-inch tiles to cover her bathroom floor.
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I NEED HELP ON THIS ASAP! PLEASE IT'S DUE TODAY, I WILL GIVE BRAINLIEST!!
Answer:
Function A: f(x) = -8^x
Function B: f(x) = 2^x
Function A has a greater horizontal asymptote. As x approaches negative infinity, Function A approaches y = 0 faster than Function B.
a
particle moves along a path in the xy-plane. the path is given by
the parametric equations x(t)=sin(3t) and y(t)=cos(3t), help with
steps A-E
a. Find the velocity b. Find the acceleration. c. Find the speed and simplify your answer completely. d. Find any times at which the particle stops. Thoroughly explain your answer. e. Use calculus to
The given set of questions are solved under the condition of parametric equations x(t)=sin(3t) and y(t)=cos(3t) .
Hence, the length of the curve from t= 0 to t= π is 3π.
Now,
A. To evaluate the velocity, we need to perform the derivative of x(t) and y(t) concerning t.
x'(t) = 3cos(3t)
y'(t) = -3sin(3t)
Therefore, the velocity vector is
v(t) = <3cos(3t), -3sin(3t)>
B. To define the acceleration, we need to evaluate the derivative of v(t) concerning t.
a(t) = v'(t) = <-9sin(3t), -9cos(3t)>
C. To describe the speed, we need to calculate the magnitude of the velocity vector.
|v(t)| = √((3cos(3t))² + (-3sin(3t))²)
= 3
D. In order to find the number of times at which the particle stops, to find when the speed is equal to zero.
|v(t)| = 0 when cos(3t) = 0
sin(3t) = 0.
Therefore,
cos(3t) = 0 when t = (π/6) + (nπ/3),
here n = integer.
sin(3t) = 0 when t = (nπ/3),
here n = integer.
E. To calculate the length of the curve from t=0 to t=π by performing calculus
L = ∫[a,b] √((dx/dt)² + (dy/dt)²) dt
Therefore, a=0 and b=π.
L = ∫[0,π] √((3cos(3t))² + (-3sin(3t))²) dt
= ∫[0,π] 3 dt
= 3π
The given set of questions are solved under the condition of parametric equations x(t)=sin(3t) and y(t)=cos(3t) .
Hence, the length of the curve from t=0 to t=π is 3π.
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The complete question is
A particle moves along a path in the xy-plane. the path is given by
the parametric equations x(t)=sin(3t) and y(t)=cos(3t), help with
steps A-E
a. Find the velocity
b. Find the acceleration.
c. Find the speed and simplify your answer completely.
d. Find any times at which the particle stops. Thoroughly explain your answer.
e. Use calculus to find the length of the curve from t=0 to t = π , show your work.
A microwaveable cup-of-soup package needs to be constructed in the shape of cylinder to hold 600 cubic centimeters of soup. The sides and bottom of the container will be made of styrofoam costing 0.04 cents per square centimeter. The top will be made of glued paper, costing 0.05 cents per square centimeter. Find the dimensions for the package that will minimize production cost.
The dimensions of the cylinder that minimize the production cost are:
radius = approximately 2.78 cm
height = 600 / (πr^2) ≈ 7.14 cm
paper top radius = 2.5 cm
Let's start by finding the formula for the cost of the container in terms of its dimensions.
The volume of the cylinder is given as 600 cubic centimeters, so we have:
πr^2h = 600
where r is the radius of the cylinder and h is its height. Solving for h, we get:
h = 600 / (πr^2)
The surface area of the cylinder is given by:
A = 2πrh + 2πr^2
Substituting h in terms of r, we get:
A = 2πr(600/(πr^2)) + 2πr^2
= 1200/r + 2πr^2
The cost of the container is the sum of the cost of the styrofoam sides and bottom and the cost of the paper top. Let's call the radius of the paper top R, and assume that the height of the cylinder is greater than or equal to the radius of the paper top, so that the top can be completely covered with paper. Then the cost of the container is:
C = 0.04(2πrh + πr^2) + 0.05(πR^2)
Substituting h in terms of r, we get:
C = 0.08πr(600/(πr^2)) + 0.04πr^2 + 0.05πR^2
= 4.8/r + 0.04πr^2 + 0.05πR^2
To minimize the cost, we need to find the values of r and R that minimize the cost function C. To do this, we take the partial derivatives of C with respect to r and R, and set them equal to zero:
dC/dr = -4.8/r^2 + 0.08πr = 0
dC/dR = 0.1πR = 0
Solving for r and R, we get:
r = ∛(60/π) ≈ 2.78 cm
R = 2.5 cm
We can check that these values give us a minimum by checking the second derivatives:
d^2C/dr^2 = 9.6/r^3 + 0.08π > 0 (minimum)
d^2C/dR^2 = 0.1π > 0 (minimum)
Therefore, the dimensions of the cylinder that minimize the production cost are:
radius = approximately 2.78 cm
height = 600 / (πr^2) ≈ 7.14 cm
paper top radius = 2.5 cm
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Help me now pretty please
Randomly meeting a -child family with either exactly one or exactly two children
Considering the function f(x) = x(x-4), if the point (2+c, y) is on the graph of f(x), then the following point will also be on the graph of f(x): (2-c, y). Explanation: Since f(x) is symmetric with respect to the vertical line x = 2 (due to the fact that f(x) = x(x-4) = (x-2+2)(x-2) = (x-2)^2 - 2^2), if the point (2+c, y) is on the graph, then its symmetric counterpart, (2-c, y), will also be on the graph.
About functionThe definition of a function in mathematics can also be interpreted as a relation that connects each member of x in a set called the domain with a single value f(x) from a second set called the codomain.
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A soccer field (football pitch) has a length of 102. 9 m and a width of 66. 3 m. Find the total area of the field in square meters (m2) and convert this measurement to square yards (yd2). Use the fact that 1 yard = 0. 9144 m. Round your answer to the nearest whole number
The total area of the soccer field is approximately 8150 square yards.
We'll find the total area of the soccer field in square meters first, and then convert it to square yards using the conversion factor provided.
Find the area in square meters (m²):
Area = Length × Width
Area = 102.9 m × 66.3 m
Area ≈ 6816.47 m²
Convert the area to square yards (yd²):
Use the conversion factor: 1 yard = 0.9144 meters
1 m² = (1/0.9144)² yd²
1 m² ≈ 1.19599 yd²
Now, multiply the area in m² by the conversion factor to get the area in yd²:
Area ≈ 6816.47 m² × 1.19599 yd²/m²
Area ≈ 8150 yd² (rounded to the nearest whole number).
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whats the area for the figure below??
Answer:
68in
Step-by-step explanation:
square: 3x3=9
9+9= 18
trapezoid (centre area) : 7x3x5=25
25x2=50
50+18=68
not entirely sure abt this
Geometry!! will mark brainliest if correct!!!
Sierra is constructing an inscribed square. Keaton is constructing an inscribed regular hexagon. In your own words, describe one difference between Sierra's construction steps and Keaton's construction steps
The main difference is that Sierra needs to create two equal arcs, while Keaton needs to create six equal arcs to form the vertices of their respective shapes.
For Sierra's inscribed square:
1. Draw a circle with a compass.
2. Mark a point on the circle as one vertex of the square.
3. Draw a diameter passing through the marked point.
4. Use the compass to create two equal arcs, one on each end of the diameter, intersecting the circle.
5. Connect the intersection points to create the square.
For Keaton's inscribed regular hexagon:
1. Draw a circle with a compass.
2. Mark a point on the circle as one vertex of the hexagon.
3. Use the compass to create six equal arcs around the circle, each arc intersecting the end of the previous arc.
4. Connect the intersection points to create the hexagon.
The main difference is that Sierra needs to create two equal arcs, while Keaton needs to create six equal arcs to form the vertices of their respective shapes.
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A pet store owner has huge aquarium tanks of the same size, A and B.
Tank A has 2 feet of water and is filled at a rate of 2. 2 inches per minute.
Tank B has 8 feet of water and is filled at a rate of 5 inches per minute.
Tank B fills faster than Tank A, taking approximately 1.75 minutes to fill while Tank A takes approximately 1.14 minutes.
How long will it take for each tank to completely drain?The problem presents two aquarium tanks, A and B, which are of the same size but have different water levels and fill rates. Tank A has 2 feet of water and is being filled at a rate of 2.2 inches per minute, while Tank B has 8 feet of water and is being filled at a faster rate of 5 inches per minute. The goal is to determine how long it will take to fill each tank.
To solve this problem, we need to use the formula: Time = Volume / Rate. We know that the volume of each tank is the same, so we can set up two equations:
For Tank A: Time = (2 feet * 12 inches/foot) / 2.2 inches/minute = 10.91 minutes or approximately 1.14 minutes.
For Tank B: Time = (8 feet * 12 inches/foot) / 5 inches/minute = 19.2 minutes or approximately 1.75 minutes.
Therefore, Tank A will take approximately 1.14 minutes to fill, while Tank B will take approximately 1.75 minutes to fill. It is important to note that Tank B is being filled at a faster rate than Tank A, despite having a greater volume of water.
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TEXT ANSWER
Use the multiplication rule to simplify:
b7 . b²
Tip: When writing math questions, the coefficient would go in front of variables: 7b*[tex]b^2[/tex]
Anyways, in this case, since we cannot mutiply 7 by b, the 7 will stay put
But.... we can mutiply b by b
[tex]b^2[/tex][tex]*b[/tex]=b^3
Tip: B's with no exponent has an exponent with one
Questions?
So,7 will stay put and b and b^2 will simply to b^3
[tex]7b^3[/tex]=Answer
PLS HELP____________
Answer:
the answer is the 1st one
2+2=4
3+1=4
4+0 = 4
Hey guys, i need your help!
a carnival game features a flip of a special coin and a roll of a number cube. the coin has a 3 on one side and a 7 on the other. the number cube contains the numbers 1-6. a player flips the coin then roll the number cube. determine each probability: (as a whole %)
please provide instructions; i am so lost, haha.
In this carnival game, a player flips a coin that has a 3 on one side and a 7 on the other, and then rolls a number cube that has numbers 1-6.
To determine the probabilities, we need to analyze each event separately and then use the multiplication rule of probability to find the probability of both events happening together.
The probability of getting a 3 on the coin is 50%, since there are only two possible outcomes. The probability of rolling each number on the cube is 16.67%, since the cube has six sides.
The probability of both events happening together depends on the individual probabilities and is found by multiplying them. Finally, we can use the addition rule of probability to find the probability of either event happening.
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A cuboid has a volume of 1815 cm³. Each side of the cuboid is a whole number of centimetres and each side is longer than 1 cm. Find all the possible dimensions of the cuboid
There are 4 possible sets of dimensions for the cuboid with a volume of 1815 cm³.
How to solve for the dimensionsFirst, find the prime factors of 1815:
1815 = 3 × 5 × 11 × 11
Now, we need to find all possible combinations of these factors into three whole numbers. Each combination of three numbers, when multiplied, should give 1815. We can do this by finding the different ways the prime factors can be distributed among the three dimensions:
3 × 5 × (11 × 11) = 15 × 121 (height × width × length)
3 × 11 × (5 × 11) = 33 × 55
5 × 11 × (3 × 11) = 55 × 33
11 × 11 × (3 × 5) = 121 × 15
We have found 4 different sets of dimensions for the cuboid:
15 × 121 × 1
33 × 55 × 1
55 × 33 × 1
121 × 15 × 1
There are 4 possible sets of dimensions for the cuboid with a volume of 1815 cm³.
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Dan's small business earned about $85,000 this year. Based on data from similar businesses, Dan expects his annual earnings to increase by 12% each year. Write an exponential equation in the form y=a(b)x that can model Dan's annual earnings, y, in x years. Use whole numbers, decimals, or simplified fractions for the values of a and b. y = _____ To the nearest hundred dollars, how much is Dan's small business predicted to earn in 5 years?
The equation would be written as: y = $85,000(1 + 0.12/1)^5
Then the predicted earning would be y = $132,559
How to solve for the earningy=a(b)x
where y = income
a = $85,000
b = (1 + r = percent increase)
then x = time period = 5 years
When we put in the values we would have y = $85,000(1 + 0.12/1) ^5
The exponential function of the form y = a(b)^x is: y = $85,000(1 + 0.12/1) ^5
When we solve the above, we would have the income = y = $132,559
Therefore the predicted earnings that Dans small business would have in a period of five years is equal to $132,559
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