A rectangle garden measuring 13 m x 50 m it’s a have a gravel pathway of constant with built all around it. There is enough gravel to cover 80 meters. Answer and equality that represents all possible with (w) in meters of the pathway?

It would take approximately 125 of the smallest cubes to fill the largest cube.

To determine the number of the smallest cubes that would fit inside the largest cube, we need to calculate the volume of both cubes.

The volume of a cube can be calculated by multiplying the length of one side by itself three times (since a cube has three equal sides). So, the volume of the smallest cube would be 1.5 x 1.5 x 1.5 = 3.375 cubic inches.

The volume of the largest cube can be calculated in the same way. The length of one side is 7.5 inches, so the volume would be 7.5 x 7.5 x 7.5 = 421.875 cubic inches.

To determine how many of the smallest cubes would fit inside the largest cube, we need to divide the volume of the largest cube by the volume of the smallest cube. So, 421.875 divided by 3.375 equals approximately 125.

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The coordinates of each vertex are: P(8,4) Q(10, 4) R(13,-1) S(8,-1) then the length of side PS is 0 units.

Side PS is the bottom base of trapezoid PQRS. To find its length, we need to calculate the horizontal distance between the x-coordinates of points P and S.

The x-coordinate of point P is 8, and the x-coordinate of point S is also 8. Therefore, the horizontal distance between these two points is 0. So, the length of side PS is 0 units.

The answer is (A) 2 is not correct because the length of side PS cannot be negative or less than zero, and the length of the other base of the trapezoid (QR) is 2 units, which is not equal to the length of side PS.

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The vertical distance between (7, -22) and (7, 12) is 34 units.

Explanation:

We can calculate the vertical distance by finding the difference between the y-coordinates of the two points.

Vertical distance = difference in y-coordinates = 12 - (-22) = 34

Therefore, the vertical distance between the two points is 34 units.

The equation of the circle with center at the origin and radius 16 is x^2 + y^2 = 256.

To find the equation of a circle with center at the origin and radius 16, we can use the general equation of a circle:

x^2 + y^2 = r^2

where (x, y) are the coordinates of any point on the circle, and r is the radius.

In this case, the center is at the origin, so the coordinates (x, y) are both 0. The radius is given as 16. Plugging these values into the equation, we have:

0^2 + 0^2 = 16^2

0 + 0 = 256

Thus, the equation of the circle is:

x^2 + y^2 = 256

So, the equation of the circle with center at the origin and radius 16 is x^2 + y^2 = 256.

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The option that best describes this data set is option B: categorical and univariate.

Categorical data refers to data namely divided into distinct classifications or groups. In this case, the water usage dossier is divided into five categories established the sources of water habit in the household: toilet, washer, shower, dishwasher, and tap.

Therefore, the water usage basic document file is considered categorical as well as univariate, as it is divided into distinct classifications based on start of water usage and includes singular variable, that is water usage per day.

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Answer:

option B: categorial and univariate

Step-by-step explanation:

i took the test :)

hope this helps xx

The volume of the gift box shaped like a rectangular prism whose dimensions are 8.5 in wide, 5 in long, and 5.1 in tall is 216.75 in³ .

The volume of rectangular prism = L × W × H

L = Length of the rectangular prism

W = Width of the rectangular prism

H = Height of the rectangular prism

Here, L = 5 in , W = 8.5 in , H = 5.1 in

The volume of rectangular prism = 5 × 8.5 × 5.1

The volume of rectangular prism = 216.75 in³

The volume of gift box shaped like a rectangular prism is 216.75 in³ .

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a) The resulting true speed of the boat is approximately 5.39 m/s.

b) The compass direction of the boat is 21.8° south of east.

c) The distance downstream the boat will land on the shore if the river is 800 meters wide is 320 meters.

a) To find the true speed of the boat, we can use the Pythagorean theorem. Since the boat's speed is 5 m/s due east and the current's speed is 2 m/s due south, we can treat these as perpendicular vectors. The true speed can be found using the formula:

True Speed = √((5 m/s)² + (2 m/s)²) = √(25 + 4) = √29 ≈ 5.39 m/s

b) To find the compass direction of the boat, we can use the inverse tangent function. The angle θ can be calculated using:

θ = arctan(opposite/adjacent) = arctan(2 m/s / 5 m/s) ≈ 21.8°

Since the boat is headed east and the current is pushing it south, the true direction is 21.8° south of east.

c) To find the distance downstream where the boat will land, we first need to calculate the time it takes to cross the river. The boat's speed across the river (due east) is 5 m/s and the width of the river is 800 meters. The time taken to cross the river is:

Time = Distance / Speed = 800 m / 5 m/s = 160 seconds

Now, we can use the time to find the distance downstream by multiplying the current's speed (2 m/s) by the time:

Distance downstream = 2 m/s × 160 s = 320 meters

So, the boat will land 320 meters downstream from its starting point on the opposite shore.

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Answer:

I can definitely help you with that math problem! Given the information about the bicycle wheel, we need to find the function that models the height of a spot on the edge of the wheel. We know that the wheel has a diameter of 26 inches, which means the radius is half of that, or 13 inches. Isabelle rides the bike so that the wheel makes two complete rotations per second, which means the period of the function is 1/2 second (since it takes half a second for the wheel to complete one rotation).

Using the formula for a sinusoidal function, we can write the function as h(t) = A sin(2π/B (t - h)) + k, where A is the amplitude, B is the period, h is the horizontal shift, and k is the vertical shift. We can determine the values of these parameters as follows:

- Amplitude: The amplitude is half the distance between the highest and lowest points of the function. Since the radius of the wheel is 13 inches, the highest and lowest points are 26 inches apart. Therefore, the amplitude is 13 inches.

- Period: We know that the period is 1/2 second, so B = 2π/1/2 = 4π.

- Horizontal shift: The function starts at its highest point, so there is no horizontal shift. Therefore, h = 0.

- Vertical shift: The center of the wheel is at a height of 13 inches above the ground, so the vertical shift is also 13 inches.

Putting it all together, we get the function h(t) = 13 sin(4πt) + 13, which corresponds to option C. This function models the height of a spot on the edge of the wheel as Isabelle rides the bike. I hope this explanation helps! Let me know if you have any other questions or if there's anything else I can assist you with.

MARK AS BRAINLIEST!!!

The wood flooring for the floor will cost $14,175.

To calculate the cost of replacing the wooden floor at Greg's gym, we first need to find the area of the rectangular floor. The area of a rectangle can be found using the formula: area = length × width. In this case, the length is 45 feet and the width is 35 feet.

Area = 45 feet × 35 feet = 1575 square feet

Since the cost of wood flooring is $9 per square foot, we can now calculate the total cost:

Total cost = area × cost per square foot = 1575 square feet × $9/square foot = $14,175

So, the wood flooring will cost Greg $14,175 to replace the floor at his gym.

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To prove that triangle ABE is congruent to triangle CDE, we need to show that all three corresponding pairs of sides and angles are equal.

Firstly, we can see that angle ABE is congruent to angle CDE as they are both right angles (90 degrees).

Secondly, we can see that side AB is congruent to side CD as they are both the hypotenuse of their respective triangles.

Lastly, we need to show that side AE is congruent to side CE. We can do this by using the Pythagorean theorem.

In triangle ABE, we have:

AE^2 = AB^2 - BE^2

In triangle CDE, we have:

CE^2 = CD^2 - DE^2

Since AB is congruent to CD and BE is congruent to DE (they are corresponding sides), we can substitute and simplify:

AE^2 = CD^2 - DE^2 - BE^2

CE^2 = CD^2 - DE^2

Therefore, if we subtract the second equation from the first, we get:

AE^2 - CE^2 = -BE^2

Since BE is a positive length, -BE^2 is negative. Therefore, AE cannot be equal to CE.

Thus, we have shown that triangle ABE is not congruent to triangle CDE.

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By law of cosine, the triangle has a side of 1.348 units and two angles of 129.852° and 35.148°, respectively.

In this problem we find the representation of a triangle, in which we must determine the value of a missing side and two missing angles. This can be done by law of cosine. First, find the missing side:

x = √(3² + 4² - 2 · 3 · 4 · cos 15°)

x = 1.348

Second, find the missing angles:

4² = 3² + 1.348² - 2 · 3 · 1.348 · cos α

cos α = - 0.641

α = 129.852°

β = 180° - 15° - 129.852°

β = 35.148°

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Step-by-step explanation:

We are given an angle opposite of the side length x and the hypotenuse 10.

Use SOHCAHTOA, use Sin

[tex] \sin( \alpha ) = \frac{o}{h} [/tex]

We the angle is 20

and the hypotenuse is 10 and the opposite is x.

[tex] \sin(20) = \frac{x}{10} [/tex]

[tex]10 \sin(20) = x[/tex]

And we get

[tex]x = 3.42[/tex]

The 96% confidence interval for the population mean is (764.34, 795.66) and a sample size of at least 123 bulbs is needed to be 96% confident that the sample mean will be within 10 hours of the true mean.

a) To find the 96% confidence interval for the population mean, we can use the formula:

CI = x ± z* (σ/√n)

where x is the sample mean, σ is the population standard deviation, n represents the sample size, and z* represents the critical value for the desired level of confidence.

From the given information, we have x = 780, σ = 40, n = 30, and we can find the critical value using a standard normal distribution table or a calculator. For a 96% confidence level, the critical value is 1.750.

When these values are entered into the formula, we get:

CI = 780 ± 1.750 * (40/√30)

CI = 780 ± 15.66

Therefore, the 96% confidence interval for the population mean is (764.34, 795.66).

b) To determine the sample size needed to be 96% confident that our sample mean will be within 10 hours of the true mean, we can use the formula:

n =[tex](z* \sigma / E)^2[/tex]

where z* is the crucial value for the desired level of confidence, standard deviation is the population standard deviation , E is the maximum error or margin of error, and n is the sample size.

From the given information, we have z* = 1.750, σ = 40, and E = 10. When these values are entered into the formula, we get:

[tex]n = (1.750 * 40 / 10)^2[/tex]

n = 122.5

Therefore, we need a sample size of at least 123 bulbs to be 96% confident that our sample mean will be within 10 hours of the true mean.

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The width of the first design is -2.5 feet and the width of the second design is 0.5 feet.

For the first design, where the length is 4x, the total area is:

2(4x)² + 7(4x) + 3 = 32x² + 28x + 3

To find the width, we can divide the total area by the length:

width = (32x² + 28x + 3) / 4x

width = 8x + 7 + 3/4x

For the second design, where the length is 2x + 1, the total area is:

2(2x + 1)² + 7(2x + 1) + 3 = 8x² + 23x + 5

width = (8x² + 23x + 5) / (2x + 1)

width = 4x + 2 + 1/(2x + 1)

For the first design:

width = 8(-1/2) + 7 + 3/4(-1/2) = -2.5 feet

For the second design:

width = 4(-1/2) + 2 + 1/(2(-1/2) + 1) = 0.5 feet

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If the base was one half as long and the height was twice as long, then the area of the triangle will be 52 in².

To find the area of a triangle, we use the formula: area = (base × height) / 2. Given that the original triangle has an area of 52 square inches, we can represent this as: 52 = (base × height) / 2.

Now, let's consider the new triangle, where the base is half as long and the height is twice as long. This can be represented as base' = base / 2 and height' = height × 2.

Using the formula for the area of the new triangle, we have: area' = (base' × height') / 2 = ((base / 2) × (height × 2)) / 2.

By simplifying the equation, we see that the factors of 2 cancel out, leaving us with: area' = (base × height) / 2.

As we know that the area of the original triangle is 52 square inches, we can conclude that the area of the new triangle will also be 52 square inches. This is because the changes to the base and height essentially cancel each other out, resulting in the same overall area.

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The equation of the dilated line in slope-intercept form is:
y' = 3x' - 3

To find the equation of the dilated line in slope-intercept form, we'll follow these steps:

1. Convert the original equation into slope-intercept form (y = mx + b).
2. Find the coordinates of the point after dilation.
3. Use the slope from the original equation and the new point to find the new equation.

Step 1: Convert the original equation into slope-intercept form:
15 + y = 3x
y = 3x - 15

Step 2: Find the coordinates of the point after dilation:
Dilation formula: (x', y') = (a(x - h) + h, a(y - k) + k)
Given point (h, k) = (3, -6) and scale factor a = 3

x' = 3(x - 3) + 3
y' = 3(y + 6) - 6

Step 3: Use the slope from the original equation (m = 3) and the new point (x', y') to find the new equation:
y' = 3x' + b

Substitute the expressions for x' and y' from step 2:
3(y + 6) - 6 = 3(3(x - 3) + 3) + b

Simplify the equation and solve for b:
3y + 18 - 6 = 9x - 27 + 9 + b
3y + 12 = 9x - 18 + b

Now, substitute the original point (3, -6) into the equation to find b:
-6 + 12 = 9(3) - 18 + b
6 = 27 - 18 + b
6 = 9 + b

b = -3

The equation of the dilated line in slope-intercept form is:
y' = 3x' - 3

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The measures of the angles A = 81.2, B = 65.2, and C = 33.6 to the nearest tenth using the cosine and sine rule.

In trigonometry, the cosines rule relates the lengths of the sides of a triangle to the cosine of one of its angles. While sine rule is a relationship between the size of an angle in a triangle and the opposing side.

Considering the given triangle, angle C is calculated with cosine rule as follows;

c² = a² + b² - 2(b)(c)cosC

14² = 25² + 23² - 2(25)(23)cosC

196 = 1154 - 1150cosC

C = cos⁻¹(958/1150)

C = 33.6

by sine rule;

14/sin33.6 = 25/sinA

sinA = (25 × sin33.6)/14 {cross multiplication}

A = sin⁻¹(0.9882)

A = 81.2

B = 180 - (33.6 + 81.2) {sum of interior angles of a triangle}

B = 65.2

With proper application of the cosine and sine rule, we have the measures of the angles A = 81.2, B = 65.2, and C = 33.6 to the nearest tenth.

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The domain of the function is the set of all positive integers, since the sequence starts with the first term and continues indefinitely. Therefore, Rosita should use the domain of positive integers for her function to generate the given sequence.

An explicit function is a mathematical expression that directly relates an independent variable to a dependent variable. In the case of Rosita's function, t(n) represents the nth term in the geometric sequence and is dependent on the value of n, the term number.

The explicit function that Rosita came up with is t(n)=160(1/2)^n, which can be simplified to t(n)=80(1/2)^(n-1). This function represents the relationship between the term number and the corresponding value in the sequence.

To determine the domain of the function, we need to consider the values of n that generate the given sequence. Looking at the sequence, we can see that the first term is 80 and each subsequent term is half of the previous term. This means that the sequence is generated by multiplying 80 by (1/2) raised to a power. We can write this as:

80(1/2)^(n-1)

where n is the term number. The domain of the function is the set of all positive integers, since the sequence starts with the first term and continues indefinitely. Therefore, Rosita should use the domain of positive integers for her function to generate the given sequence.

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The probability that a customer has to wait for one of the consultants (Pw) is 0.9516.

To find the probability that a customer will have to wait for one of the consultants, we need to analyze the current system and compare it to the proposed system with two consultants. Here's a step-by-step explanation:

1. Identify the given parameters:
- Arrival rate (λ) = 7 calls per hour
- Service rate (µ) = 1 call per 8.5 minutes = 60 minutes / 8.5 minutes = 7.06 calls per hour (approximately)

2. Calculate the traffic intensity (ρ):
- ρ = λ / µ = 7 / 7.06 = 0.9915 (approximately)

3. Find the probability of 0 customers in the system (P0) for a 2-consultant system:
- P0 = 1 / (1 + (2 * ρ) + (ρ^2 / (1 - ρ))) = 1 / (1 + (2 * 0.9915) + (0.9915^2 / (1 - 0.9915))) ≈ 0.0086

4. Calculate the probability that a customer has to wait for one of the consultants (Pw):
- Pw = (ρ^2 / (2 * (1 - ρ))) * P0 = (0.9915^2 / (2 * (1 - 0.9915))) * 0.0086 ≈ 0.9516

So, there is approximately a 95.16% chance that a customer will have to wait for one of the consultants at Ocala Software Systems' technical support center when two consultants are employed.

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The maximum length of each prism is equal to 7.99 centimeter.

Maximum surface area = 275 square centimeter (cm²).

Given, Light fixtures of regular hexagonal prism .

Determine the maximum surface area of this regular hexagonal prism by using this mathematical expression:

Maximum surface area (quantity) = Cost/unit price

Maximum surface area (quantity) = $11/$0.04

Maximum surface area (quantity) = 275 square centimeter (cm²).

Mathematically, the surface area of a regular hexagonal prism can be calculated by using this formula:

[tex]A = 6al + 3\sqrt{3} a^2[/tex]

Where:

A represents the surface area of a regular hexagonal prism.

a represents the edge length (apothem) of a regular hexagonal prism.

l represents the length of a regular hexagonal prism.

Substituting the given parameters into the formula, we have;

[tex]275 = 6 \times 4l + (3\sqrt{3} \times 4^2)[/tex]

[tex]275 = 24l + 48\sqrt{3} \\24l = 275 - 48\sqrt{3}\\ 24l = 191.8616\\l = 191.8616/24[/tex]

Length, l = 7.99 centimeter.

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The expected number of defective items and the probability of at least 4 are defective is equal to 3.6 and 0.370 or 37.0%.

Total number of items 'n' = 18

Probability of an item being defective 'p' =20%

                                                                    = 0.2  

Expected number of defective items,

Use the formula for the expected value of a binomial distribution,

E(X) = np

where X is the number of defective items.

Plug in the values we have,

E(X) = 18 x 0.2

      = 3.6

Expect average items out of 18 to be defective = 3.6  .

Probability that at least 4 items are defective,

Calculate the probability of 4, 5, 6, ..., 18 defective items

Use the complement rule to simplify it,

P(at least 4 defective)

= 1 - P(less than 4 defective)

Using the CDF function,

'binomcdf' is the binomial cumulative distribution function.

18 is the number of trials,

0.2 is the probability of success,

And 3 is the maximum number of successes

P(less than 4 defective)

= binomcdf (18, 0.2, 3)

= P(X <= 3)

=[tex]\sum_{x=0}^{3}[/tex] ¹⁸Cₓ × (0.2)^x × (0.8)^(18-x)

= ¹⁸C₀× (0.2)^0 × (0.8)^(18-0) + ¹⁸C₁× (0.2)^1 × (0.8)^(18-1) + ¹⁸C₂× (0.2)^2 × (0.8)^(18-2) + ¹⁸C₃× (0.2)^3 × (0.8)^(18-3)

= (0.8)^(18) + 18× (0.2) × (0.8)^(17) + 153 × (0.04) × (0.8)^(16) + 1632× (0.008) × (0.8)^(15)

= 0.630

Plug in the values,

P(at least 4 defective)

= 1 - 0.630

= 0.370

Therefore, the expected items to be defective and probability that at least 4 items out of 18 are defective is equal to 3.6 and 0.370 or 37.0%.

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When the value of pp=95 the value of qq will be equal to 6.

It is given that pp varies inversely with qq, so we can write that

pp=k/qq

where k is the proportionality constant.

here we can find the value of k by substituting the value of pp and qq with 19 and 30 in the relation that is given above, we get:

30=k/19

k=30*19

k=570

we the value of k to be 570 after putting the values in the relation.

Now if pp is changed to 95, and k is equal to 570 we can get the value of qq by putting the known values in the same relation.

pp=k/qq

qq=570/95

qq=6.

Therefore, when the value of pp is 95 the value for qq will be equal to 6.

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We can predict with 99% confidence that a new employee with 9 hours of training will produce between -4.16 and 3.49 defects per countertop.

To find the 99% prediction interval for the number of defects per countertop for an employee with 9 hours of training, we can use the estimated regression equation and the standard error provided.

The 99% prediction interval is given by:

Predicted value ± t(0.995, n-2) x SE

where t(0.995, n-2) is the t-score for the 99% confidence level with n-2 degrees of freedom (where n is the sample size), and SE is the standard error.

First, we need to calculate the predicted value:

Defects per Countertop = 6.717822 - 1.004950(Hours of Training)

Defects per Countertop = 6.717822 - 1.004950(9)

Defects per Countertop = -0.334578

Next, we need to find the t-score for the 99% confidence level with 8 degrees of freedom (n-2 = 10-2 = 8). Using a t-distribution table or calculator, we find that t(0.995, 8) = 3.355387.

Finally, we can calculate the 99% prediction interval:

-0.334578 ± 3.355387 x 1.2297787

This simplifies to:

-4.157722 < Defects per Countertop < 3.488566

Therefore, we can predict with 99% confidence that a new employee with 9 hours of training will produce between -4.16 and 3.49 defects per countertop. However, since the lower limit is negative, it does not have practical meaning in this context. Therefore, we can conclude that we can predict with 99% confidence that a new employee with 9 hours of training will produce between 0 and 3.49 defects per countertop.

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Since the derivative of a constant is always 0, we can drop the last term:
f’(x) = -21/x^4 + 4/x^3 + 1/x^2

Using the rules of differentiation, we can find the derivative of f(x) by taking the derivative of each term separately. The power rule and the constant multiple rule will come in handy here.

f(x) = 7/x^3 – 2/x^2 – 1/x + 140

f’(x) = d/dx(7/x^3) – d/dx(2/x^2) – d/dx(1/x) + d/dx(140)

To find the derivative of 7/x^3, we can use the power rule, which states that the derivative of x^n is nx^(n-1).

f’(x) = -21/x^4 – (-4/x^3) – (-1/x^2) + 0

To find the derivative of -2/x^2, we can again use the power rule:

f’(x) = -21/x^4 + 4/x^3 – (-1/x^2) + 0

To find the derivative of -1/x, we use the power rule once more:

f’(x) = -21/x^4 + 4/x^3 + 1/x^2 + 0

And since the derivative of a constant is always 0, we can drop the last term:

f’(x) = -21/x^4 + 4/x^3 + 1/x^2

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The value of f(3) is 172.

The problem provides us with the linear approximation of a function at a given point. In this case, we are given the linear approximation at x=3.5 as L(x) = 121(x-3) + 172. We are asked to find the value of the original function f(3). Since 3 is to the left of the given point 3.5, we need to use the left-hand side of the linear approximation.

To find the value of f(3), we substitute x=3 in the linear approximation:

L(3) = 121(3-3.5) + 172

= 121(-0.5) + 172

= -60.5 + 172

= 111.5

Therefore, the value of f(3) is 172.

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It takes approximately 500 seconds for light to travel from the Sun to Earth.

To calculate the time it takes for light to travel from the Sun to Earth, we can use the formula:

time = distance / speed

Given:

Distance from the Sun to Earth = 9.3 x 10^7 miles

Speed of light = 1.86 x 10^5 miles per second

Plugging in the values into the formula, we have:

time = (9.3 x 10^7 miles) / (1.86 x 10^5 miles per second)

To simplify, we can divide the numerator and denominator by 10^5 to cancel out the units:

time = (9.3 x 10^7) / (1.86 x 10^5) seconds

Next, we can divide the numbers in scientific notation:

time = (9.3 / 1.86) x (10^7 / 10^5) seconds

Simplifying further:

time = 5 x 10^2 seconds

Therefore, light takes approximately 500 seconds to travel from the Sun to Earth.

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The probability of Luke scoring a goal in his next soccer game and getting a hit in his next baseball game is 45/104 in reduced form.

The probability of Luke scoring a goal in his next soccer game is the ratio of the number of games he scored a goal to the total number of soccer games he played so far. Thus, the probability of scoring a goal in his next game is 15/26.Similarly, the probability of Luke getting a hit in his next baseball game is the ratio of the number of games he had a hit to the total number of baseball games he played so far.

Thus, the probability of getting a hit in his next game is 12/16.Since the events are independent, we can use the product rule to find the probability of both events happening together. Thus, the probability of scoring a goal in his next soccer game and getting a hit in his next baseball game is (15/26) x (12/16) = 45/104 in reduced form.

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The equation oe: y + 1 = -4/6(x + 5) represents a line perpendicular to line m.

The equation of line m is given as y + 2 = (3/2)(x + 4). To determine the equations that represent lines perpendicular to line m, we need to find the negative reciprocal of the slope of line m and use it as the slope in the perpendicular lines.

The slope of line m is (3/2), so the negative reciprocal is -2/3. We can eliminate options oa, oб, and of because they do not have a slope of -2/3.

Now, let's check the remaining options:

oc: y = (2/3)x + 4

This equation has a slope of 2/3, which is not the negative reciprocal of -2/3. Therefore, it is not perpendicular to line m.

od: y = (3/2)x + 4

This equation has the same slope as line m, which means it is not perpendicular to line m.

oe: y + 1 = (-4/6)(x + 5)

Simplifying the equation, we get y + 1 = (-2/3)(x + 5), which has a slope of -2/3. Therefore, this equation represents a line that is perpendicular to line m.

Therefore, the equation oe: y + 1 = -4/6(x + 5) represents a line perpendicular to line m.

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The probability of picking an odd number and then picking an even number 5/18

The probability of picking an odd number on the first card is 1/2 since there are 5 odd cards out of 10 total cards. After picking an odd card, there are now 4 odd cards and 5 even cards left out of a total of 9 cards. So the probability of picking an even card on the second draw is 5/9.

To find the probability of both events happening, we multiply the probabilities:

P(odd and even) = P(odd) * P(even | odd)

= (1/2) * (5/9)

= 5/18

Therefore, the probability of picking an odd number and then picking an even number is 5/18.

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