HELP!! 50 points !!



13. An online job - seeking service allows job - seekers to post their resumés for free. The service charges employers looking for applicants a fee to look through the resumés. The fee is based on how long the employer wants the employer wants to consider. The fees are $585 for a 100 - mile radius for access to the resumés , and how many miles from the workplace address 3 weeks and $675 for a 150-mile radius for 3 weeks. A If there are 98 resumés within a 100 - mile radius , what is the average cost to b. If there are 208 resumés within a 150 - mile radius , what is the average cost. Under the 150 - mile radius option , an employer would see the same 98 resumés from part a that he would have seen under the 100 - mile radius option. What is the average cost to the employer for looking at the extra resumés he would see if he opted for the more expensive plan ? Explain. The nearest cent to the employer for looking at each resume ? to the employer for looking at each resumé? d. Give an advantage and a disadvantage of opting for the more expensive plan.

Answer:

measure of angle GHJ = 1/2 the measure of arc GJ = (1/2)(86°) = 43°

measure of angle JIG = 1/2 the measure of arc GJ = (1/2)(86°) = 43°

3/4 + (1/3 divided by 1/6) - (-1/2) when simplified give 3 1/4

How to determine this

3/4 + (1/3 divided by 1/6) - (-1/2)

3/4 + (1/3 ÷ 1/6) - (-1/2)

Using the rule of BODMAS

Whee B = Bracket

O = Order

D = Division

M = Multiplication

A = Addition

S = Subtraction

By removing the bracket

3/4 + 1/3 ÷ 1/6 + 1/2

By dividing

3/4 + 1/3 * 6/1 + 1/2

3/4 + 6/3 + 1/2

3/4 +2 + 1/2

By finding the LCM

The LCM is lowest common factor of the denominator which is 4

= [tex]\frac{3+8+2}{4}[/tex]

= 13/4

= 3 1/4

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Answer: x=29

Step-by-step explanation:

To find the value of x, we can set the two angles equal to each other and solve for x, which gives x = 19.

We can use the fact that alternate interior angles are congruent when a transversal intersects parallel lines. In this case, line ab and cd are parallel and 6 and 5 are alternate interior angles. So we can set up an equation:

4x - 31 = 95

Solving for x:

4x = 126

x = 31.5

So the value of x is not one of the answer choices given. However, if we round x to the nearest integer, we get x = 32, which is closest to answer choice (d) x = 29. Therefore, the closest answer choice is (d) x = 29.

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Answer:

T=64

Step-by-step explanation:

Multiply both sides by 4

t/4=16

t/4×4=16×4 Cancel out the 4

t=64

Answer: 8

Step-by-step explanation:

The area of the 125 degree sector for a circle with a radius of 12 m is approximately 158 square meters.

To find the area of a 125 degree sector of a circle with a radius of 12 m, we need to use the formula for the area of a sector:

Area of sector = (θ/360) x πr², where θ is the central angle of the sector, r is the radius of the circle, and π is a constant equal to approximately 3.14.

Substituting the given values, we get: Area of sector = (125/360) x π x 12² = (0.3472) x π x 144 = 158.03

Rounding to the nearest whole number, we get the area of the sector as 158 square meters. Therefore, the area of the 125 degree sector for a circle with a radius of 12 m is approximately 158 square meters.

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The equation of the ellipse is x^2/9 + y^2/6.75 = 1

To find the equation of an ellipse, we need to know the center, the major and minor axis, and the foci.

Since we are given the eccentricity and foci, we can use the following formula:

c = (1/2)a

Since the foci are (0, +/-3), the center is at (0, 0). We know that c = 3/2, so we can find a:

c = (1/2)a

3/2 = (1/2)a

a = 3

The distance from the center to the end of the minor axis is b, which can be found using the formula:

b = √(a^2 - c^2)

b = √(3^2 - (3/2)^2)

b = √6.75

So the equation of the ellipse is:

x^2/a^2 + y^2/b^2 = 1

Plugging in the values we found, we get:

x^2/3^2 + y^2/6.75 = 1

Simplifying:

x^2/9 + y^2/6.75 = 1

Therefore, the equation of the ellipse is x^2/9 + y^2/6.75 = 1

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The standard form of the equation of the circle with the given characteristics is[tex] {(x - 4)}^{2} + {(y - 3)}^{2} = 25[/tex]

To get the equation of the circle using the endpoints of a diameter, we have to use the standard form :

[tex](x - h) ^{2} + (y - k)^{2} = {r}^{2} [/tex]

In which (h, k) represents the middle point of the circle and r as the radius. so, we need to find the midpoint of the diameter using the endpoints (0, 0) and (8, 6).

Midpoint = ((0+8)/2, (0+6)/2) = (4, 3)

Next, we need to calculate the radius by using the distance formula to calculate the distance between the center and one of the diameter endpoints.

[tex] {r}^{2} = {(8 - 4)}^{2} + {(6 - 3)}^{2} = {4}^{2} + {3}^{2} = 16 + 9 = 25[/tex]

Now, substituting the values of (h, k) and

[tex] {r}^{2} [/tex] into the standard form equation to get the equation:

[tex] {(x - 4)}^{2} + {(y - 3)}^{2} = 25[/tex]

Therefore, the standard form equation of the circle with the given characteristics is

[tex] {(x - 4)}^{2} + {(y - 3)}^{2} = 25[/tex]

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The standard form of the given question is (x - 4)² + (y - 3)² = 25, under the condition endpoints of a diameter: (0, 0), (8, 6).

In order To write the standard form of the equation of a circle with endpoints of a diameter (0, 0), (8, 6), we first need to find the center and radius of the circle.

The diameter comprises the midpoints of  the center of the circle. The midpoint of (0, 0) and (8, 6) is ((0+8)/2, (0+6)/2) = (4,3). Center point of the circle is (4,3).

Diameter = 2× radius
. The distance between (0, 0) and (8, 6) is √((8-0)² + (6-0)²)
= √(64+36)
= √100
= 10.
Then, the radius of the circle is 10/2 = 5.

Then,

(x - h)² + (y - k)² = r²
here
(h,k) = center of the circle
r = radius.

Staging in this equation
h=4,
k=3
r=5

(x - 4)²+ (y - 3)² = 25


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The probability that the 25th flip will result in the counter landing on orange side up is fraction 1 over 2. The correct answer is D.

The probability of an event occurring is calculated by dividing the number of favorable outcomes by the total number of possible outcomes. In this case, Stephen has flipped the counter 24 times and he wants to know the probability of getting an orange side up on the 25th flip.

Since the counter has two sides - orange and brown, the probability of landing on the orange side is 1/2 or 0.5.

Each flip of the counter is independent of the others, so the previous flips do not affect the outcome of the 25th flip. Therefore, the probability of the 25th flip landing on the orange side up is still 1/2 or 0.5. The correct answer is D.

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The mean number of miles the hiker walked for the 6 days was 6.5 miles.

To calculate the mean or average of a set of numbers, we add up all the numbers and then divide the sum by the number of items in the set. In this case, we have the number of miles the hiker walked on each of the six days. To find the total number of miles the hiker walked, we simply add up all the numbers

8 + 5 + 7 + 2 + 9 + 8 = 39

Next, we divide the total number of miles by the number of days (which is 6) to get the average or mean number of miles the hiker walked per day:

Mean number of miles = Total number of miles / Number of days

= 39 / 6

= 6.5

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The claim of cooking duck legs at given temperature with mean , standard deviation represents reject the null hypothesis, accept the alternative hypothesis.

Confidence level = 90%

Sample mean maximum temperature x = 182 degrees

Hypothesized population mean μ =175 degrees

Sample standard deviation s = 5 degrees)

Sample size n =12

To test the claim that employee is capable of cooking the duck legs within the required temperature range.

Set up the following hypotheses,

Null hypothesis,

The mean maximum temperature of the duck legs is equal to or greater than 175 degrees (μ ≥ 175).

Alternative hypothesis,

The mean maximum temperature of the duck legs is less than 175 degrees (μ < 175).

Testing whether the mean is less than a specific value (175 degrees), this is a one-tailed test.

To reject or fail to reject the null hypothesis,

Use a one-sample t-test with a significance level of 0.1 .

T-test statistic is ,

t = (x - μ) / (s / √n)

Plugging in the values, we get,

t = (182 - 175) / (5 / √(12))

 = 4.85

The degrees of freedom for this test is n-1 = 11.

Using a t-distribution table ( attached table) ,

Critical value for a one-tailed test with 11 degrees of freedom and a significance level of 0.1.

The critical value is 1.363.

Since the calculated t-value 4.85 is greater than the critical value (1.363).

Reject the null hypothesis at the 90% confidence level.

⇒Sufficient evidence to conclude that the mean maximum temperature of the duck legs cooked by your cook is less than 175 degrees.

Employee is not capable of cooking the duck legs within the required temperature range.

Therefore, for the given situation of confidence level of 90% reject the null hypothesis, accept the alternative hypothesis.

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The solution to the expression is x² + x - 20

(x-4)(x+5)

open the bracket

x² + 5x - 4x - 20

x² + x - 20

Hence the solution to the expression leads to quadratic equation which is written is x² + x -20

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Step-by-step explanation:

Three weeks would be the 21st and would be Sunday too,  then

22 Mon

23 Tues

24 Wed

25 Thur

Answer is: Probability of a student getting a lunch that does not include chips is 6/12 or 0.5.

1. To find the probability of a student getting a lunch that includes chips and apple juice, we need to first find the total number of possible lunch combinations. There are 3 options for sandwiches, 2 options for sides, and 2 options for drinks, so there are a total of 3 x 2 x 2 = 12 possible lunch combinations.

Out of those 12 combinations, there is only 1 combination that includes chips and apple juice: ham and cheese sandwich, chips, and apple juice.

Therefore, the probability of a student getting a lunch that includes chips and apple juice is 1/12 or approximately 0.083.

2. To find the probability of a student getting a lunch that does not include chips, we can count the number of possible lunch combinations that do not include chips and divide by the total number of lunch combinations.

There are 3 sandwich options and 2 drink options, so there are a total of 3 x 2 = 6 possible lunch combinations without chips.

Out of the total of 12 possible lunch combinations, 6 do not include chips, so the probability of a student getting a lunch that does not include chips is 6/12 or 0.5.

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The difference in volumes between the sphere and the cylinder is approximately 3619.14 cubic cm.

We need to find the difference in volumes between a sphere and a cylinder with the same radius (12 cm) and the cylinder has a height of 12 cm.

Step 1: Find the volume of the sphere.
The formula for the volume of a sphere is V_sphere = (4/3)πr³.
V_sphere = (4/3) × 3.14 × (12 cm)³
V_sphere = (4/3) × 3.14 × 1728 cm³
V_sphere ≈ 9047.78 cm³

Step 2: Find the volume of the cylinder.
The formula for the volume of a cylinder is V_cylinder = πr²h.
V_cylinder = 3.14 × (12 cm)² × 12 cm
V_cylinder = 3.14 × 144 cm² × 12 cm
V_cylinder ≈ 5428.64 cm³

Step 3: Find the difference in volumes.
Difference = V_sphere - V_cylinder
Difference = 9047.78 cm³ - 5428.64 cm³
Difference ≈ 3619.14 cm³

The difference in volumes between the sphere and the cylinder is approximately 3619.14 cubic cm.

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Answer:

Length of a car is 5m

Length of bus is 19m

Velocity of bus is 25ms-¹

Step-by-step explanation:

Assuming that overtaking start from front most part to back most part

Distance travel by car is 19m+5m=24m

Let velocity of bus be Vc and of car be Vb

Now

Velocity of car is 32ms-¹

Answer: b = 30°

Step-by-step explanation:

       The little square represents a 90-degree angle.

90° - 60° = b

30° =  b

b = 30°

There are 720 different arrangements of the six children possible when Ben can't sit next to Dan.

There are 720 different arrangements of the six children possible.

The key to solving this problem is to recognize the fact that there are six children and six chairs, so each child has one and only one chair. This means that for each position in the row, one child must be placed in the chair.

To solve this problem we can use the permutation formula for "n objects taken r at a time without repetition," which is: n!/(n-r)!

In this case, n is 6 (the number of children) and r is 6 (the number of chairs). So, 6!/(6-6)! = 6!/(0!) = 6!/1 = 6! = 720.

Therefore, there are 720 different arrangements of the six children possible when Ben can't sit next to Dan.

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The production level that will yield maximum revenue is 6000 units, the maximum revenue is $180,000, and the price the company needs to charge at that level is $30. The production level that will yield maximum profit is 5250 units, the maximum profit is $59,250, and the price the company needs to charge at that level is $37.25.

To find the production level that will yield maximum revenue, we need to determine the quantity demanded that maximizes the revenue. The revenue function is given by

R(x) = xp(x) = x(-0.005x + 60) = -0.005x^2 + 60x

To find the maximum value of R(x), we need to take the derivative of R(x) and set it equal to zero

R'(x) = -0.01x + 60 = 0

x = 6000

So the production level that will yield maximum revenue is 6000 units.

To find the maximum revenue, we can plug this value into the revenue function

R(6000) = -0.005(6000)^2 + 60(6000) = $180,000

To find the price the company needs to charge at that level, we can plug the production level into the demand function

p(6000) = -0.005(6000) + 60 = $30

To find the production level that will yield maximum profit, we need to determine the quantity that maximizes the profit function. The profit function is given by

P(x) = R(x) - C(x) = -0.005x^2 + 60x - (-0.001x^2 + 18x + 4000) = -0.004x^2 + 42x - 4000

To find the maximum value of P(x), we need to take the derivative of P(x) and set it equal to zero

P'(x) = -0.008x + 42 = 0

x = 5250

So the production level that will yield maximum profit is 5250 units.

To find the maximum profit, we can plug this value into the profit function

P(5250) = -0.004(5250)^2 + 42(5250) - 4000 = $59,250

To find the price the company needs to charge at that level, we can plug the production level into the demand function

p(5250) = -0.005(5250) + 60 = $37.25

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Walmart's decision to use its own fleet of trucks to pick up products directly from manufacturers and deliver them to its stores is a strategic move that has the potential to benefit both Walmart and manufacturers.

By using its own fleet, Walmart will be able to cut down on transportation costs and gain more control over the supply chain, which can lead to better efficiency and cost savings. This is especially important given Walmart's massive scale, with over 4,000 stores in the US alone.

For manufacturers, this move by Walmart could be a relief as they can focus on their core competency of making products rather than managing logistics. With Walmart taking over the transportation aspect, manufacturers can rest assured that their products will be delivered on time and in the right condition.

The fact that Walmart already has a large fleet of trucks and trailers means that it has the capacity to implement this new program without too much additional investment. However, it remains to be seen how manufacturers will respond to this proposal, as they may have existing contracts with other carriers or may be hesitant to rely too heavily on Walmart for their transportation needs.

Overall, Walmart's move towards using its own fleet of trucks is a smart one that has the potential to benefit both the retailer and its suppliers.

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The measurement which is closest to the number of miles between these two cities is 113 miles.

Given the distance between two cities is 180 kilometers.

If there are approximately 8 kilometers in 5 miles, we can use this conversion factor to convert 180 kilometers to miles, then one kilometer is approximately equal to 5/8 miles (0.625 miles).

To find the number of miles between the two cities, we can convert 180 kilometers to miles by multiplying by the conversion factor:

180 kilometers × (5/8 miles per kilometer) ≈ 112.5 miles = approximately 113 miles

Therefore, the closest measurement to the number of miles between these two cities is approximately 113 miles.

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Answer:

1) a = 14

2) -4 (x - 2)² - 5

Step-by-step explanation:

To obtain a vertex, you take h and k in a equation.

So a(x-h)²+k = a(x-2)² -5

For the point (1, - 9),

a[(1)-2]² - 5 = - 9

a(1) = -9+5

a = -4

so the final equation is

-4(x-2)² - 5

I'm not 100% sure about this but I tried. Let me know if it makes sense

The work done in moving the particle from the origin to x = 4 under the influence of the force F (x) = 8[tex]x^3[/tex]-5 is 492 units of work.

The work done in moving a particle along a path under the influence of a force, we use the work-energy principle.

This principle states that the work done on a particle by a force is equal to the change in the particle's kinetic energy.

Mathematically this can be expressed as:

W = ΔK

Where

W is the work done,

ΔK is the change in kinetic energy and

Both are scalar quantities.

The work done by a force on a particle along a path is given by the line integral:

W = ∫ C F · ds

Where,

C is the path,

F is the force,

ds is the differential displacement along the path and  denotes the dot product.

In the case where the force is a function of position only (i.e., F = F(x,y,z)), we can evaluate the line integral using the parametric equations for the path.

If the path is given by the parameterization r(t) = <x(t), y(t), z(t)>, then we have:

W = ∫ [tex]a^b[/tex] F(r(t)) · r'(t) dt

The work done in moving the particle from the origin to a final position at x = 4. We can evaluate the work done using the definite integral of the force from x = 0 to x = 4, as shown in the solution.

The initial kinetic energy is zero.

The work done by the force in moving the particle from x = 0 to x = 4 is given by the definite integral:

W = ∫ F(x) dx

Substituting the given expression for the force, we have:

W = ∫0 (8x - 5) dx

Integrating with respect to x, we have:

W = [(2x - 5x)]_0

W = (2(4) - 5(4)) - (2(0) - 5(0))

W = 512 - 20

W = 492

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32/9

So the producer surplus at the equilibrium point is 32/9 dollars.

To find the equilibrium point, we need to set D(x) equal to S(x) and solve for x:

(x-7)^2 = x^2 + 2x + 33

Expanding and simplifying:

x^2 - 14x + 49 = x^2 + 2x + 33

12x = 16

x = 4/3

So the equilibrium point is x = 4/3.

To find the consumer surplus at the equilibrium point, we need to find the difference between the maximum price consumers are willing to pay (D(4/3)) and the equilibrium price (S(4/3)) and multiply by the quantity sold (4/3):

Consumer surplus = (D(4/3) - S(4/3)) * (4/3)

= [(4/3 - 7)^2 - (4/3)^2 - 2(4/3) - 33] * (4/3)

= [49/9 - 16/9 - 8/3 - 33] * (4/3)

= -224/27

So the consumer surplus at the equilibrium point is -224/27 dollars.

To find the producer surplus at the equilibrium point, we need to find the difference between the equilibrium price (S(4/3)) and the minimum price producers are willing to accept (S(0)) and multiply by the quantity sold (4/3):

Producer surplus = (S(4/3) - S(0)) * (4/3)

= [(4/3)^2 + 2(4/3) + 33 - 33] * (4/3)

= 32/9

So the producer surplus at the equilibrium point is 32/9 dollars.

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To use the Picard-Lindelöf iteration to find a sequence of approximate solutions to the initial value problem y'(t) = 5y(t) + 1, y(0) = 0, we start with the initial approximation y_0(t) = 0. Then, for each n ≥ 0, we define y_{n+1}(t) to be the solution to the initial value problem y'(t) = 5y_n(t) + 1, y_n(0) = 0. In other words, we plug the previous approximation y_n into the right-hand side of the differential equation and solve for y_{n+1}.Using this procedure, we can find the first few elements of the sequence {y_n} as follows:y_0(t) = 0y_1(t) = ∫ (5y_0(t) + 1) dt = ∫ 1 dt = ty_2(t) = ∫ (5y_1(t) + 1) dt = ∫ (5t + 1) dt = (5/2)t^2 + ty_3(t) = ∫ (5y_2(t) + 1) dt = ∫ (5(5/2)t^2 + 5t + 1) dt = (25/6)t^3 + (5/2)t^2 + tTherefore, the first few elements of the sequence {y_n} are y_0(t) = 0, y_1(t) = t, y_2(t) = (5/2)t^2 + t, and y_3(t) = (25/6)t^3 + (5/2)t^2 + t.

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To use the Picard-Lindelöf iteration method to find the first few elements of a sequence {y_n} of approximate solutions to the initial value problem y'(t) = 5y(t) + 1, y(0) = 0, we first set up the integral equation for the iteration:

y_n+1(t) = y(0) + ∫[5y_n(s) + 1] ds from 0 to t

Since y(0) = 0, the equation becomes:

y_n+1(t) = ∫[5y_n(s) + 1] ds from 0 to t

Now, let's calculate the first few approximations:

1. For n = 0, we start with y_0(t) = 0:
y_1(t) = ∫[5(0) + 1] ds from 0 to t = ∫1 ds from 0 to t = s evaluated from 0 to t = t

2. For n = 1, use y_1(t) = t:
y_2(t) = ∫[5t + 1] ds from 0 to t = 5/2 s^2 + s evaluated from 0 to t = 5/2 t^2 + t

3. For n = 2, use y_2(t) = 5/2 t^2 + t:
y_3(t) = ∫[5(5/2 t^2 + t) + 1] ds from 0 to t = ∫(25/2 t^2 + 5t + 1) ds from 0 to t = 25/6 t^3 + 5/2 t^2 + t

These are the first few elements of the sequence {y_n} of approximate solutions to the initial value problem using the Picard-Lindelöf iteration method.

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The interquartile range of 58,55,54,61,56,54,61,55,53,53 is 6.

To find the interquartile range (IQR), we first need to find the first and third quartiles of the data set. The first quartile (Q1) is the median of the lower half of the data set, and the third quartile (Q3) is the median of the upper half of the data set. The IQR is then the difference between Q3 and Q1.

To find Q1 and Q3, we first need to put the data set in order from lowest to highest:

53, 53, 54, 54, 55, 55, 56, 58, 61, 61

The median of the entire data set is the average of the two middle numbers, which in this case is (55 + 56) / 2 = 55.5.

To find Q1, we need to find the median of the lower half of the data set, which includes the numbers 53, 53, 54, 54, 55. The median of this lower half is the average of the two middle numbers, which is (53 + 54) / 2 = 53.5.

To find Q3, we need to find the median of the upper half of the data set, which includes the numbers 56, 58, 61, 61. The median of this upper half is the average of the two middle numbers, which is (58 + 61) / 2 = 59.5.

Now that we have Q1 and Q3, we can calculate the IQR as:

IQR = Q3 - Q1 = 59.5 - 53.5 = 6

Therefore, the interquartile range of the given data set is 6.

The IQR is a useful measure of variability because it is not influenced by outliers or extreme values in the data set, unlike the range or standard deviation. The IQR gives us an idea of the spread of the "middle" 50% of the data, which can help us understand the distribution of the data and identify any potential skewness or outliers.

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The doctor saw 56 patients altogether during the 7 days.

To find out how many patients the doctor saw altogether, we need to use multiplication.
Identify the number of patients seen per day (8 patients).

Identify the number of days the doctor worked (7 days).

Multiply the number of patients per day by the number of days worked.
8 patients/day × 7 days = 56 patients.

The doctor saw 8 patients per day for 7 days, so the total number of patients he saw in a week is

Therefore, the doctor saw a total of 56 patients in 1 week.

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The area of a horizontal cross-section of the cylinder whose diameter is 2.75 inches and height is 6 inches is 5.9 inch².

Diameter of the base of the container = 2.75 inch

Height of the cylinder = 6 inch

Area of a horizontal cross-section of the cylinder = πr²

Here, r = radius of the container

Radius = Diameter/2

Radius = 2.75/2

Radius = 1.375

Area of the horizontal cross-section of the cylinder = 3.14 × 1.375 × 1.375

Area = 5.9365625

Area of the horizontal cross- section of the cylinder to the nearest tenth is 5.9

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Answer:

14

Step-by-step explanation:

Cam put a total of 4 12/25 pounds of rice in bags, which is equivalent to 112/25 pounds of rice.

Each bag weighs 7/25 pound, so the total number of bags of rice is:

(112/25) ÷ (7/25) = 16

Cam uses 1/8 of the bags of rice, which is:

(1/8) x 16 = 2

So Cam uses 2 bags of rice.

The number of bags of rice left is the total number of bags (16) minus the number of bags used (2):

16 - 2 = 14

Therefore, 14 bags of rice are left.