Find the volume of the prism.

The probability that both the man and the woman will be alive fifty years later is 0.176.

Since, The probability of that both the man and woman will be alive fifty years later, we have to multiply the two probabilities together as they are independent events.

So, We get;

P(both alive after fifty years) = P(man alive after fifty years) x P(woman alive after fifty years)

P = 0.352 x 0.500

P = 0.176

Therefore, the probability that both the man and the woman will be alive fifty years later is 0.176.

Learn more about the probability visit:

https://brainly.com/question/13604758

#SPJ1

If the two firms do not cooperate, the payoff that North Springs and South Springs receive in the dominant-strategy equilibrium and the Nash equilibrium would depend on the specific game or scenario being played. Without more information about the specific game being played and the strategies of the two firms, it is impossible to provide a definitive answer.

However, in general, the dominant-strategy equilibrium refers to the situation where each player chooses their best strategy, regardless of what the other player does. The Nash equilibrium refers to the situation where each player chooses their best strategy given what the other player is doing. In some cases, the dominant-strategy equilibrium and the Nash equilibrium may be the same, but in other cases, they may differ.

So, in order to determine the payoff that North Springs and South Springs receive in these equilibria, more information about the game being played and the strategies of the two firms would be needed.
Based on the information given, we can analyze the payoff for both North Springs and South Springs firms in the dominant-strategy equilibrium and the Nash equilibrium.

Dominant-Strategy Equilibrium:
1. Identify each firm's dominant strategy (the best response regardless of the other firm's action).
2. Combine the dominant strategies for both firms to find the outcome.

Nash Equilibrium:
1. Identify each firm's best response given the other firm's action.
2. Find the outcome where both firms are simultaneously choosing their best responses.

Without specific numerical payoffs, I cannot provide the exact payoff amounts. However, once you have the payoff matrix, you can follow the steps mentioned above to find the payoffs for North Springs and South Springs in the dominant-strategy equilibrium and the Nash equilibrium.

Learn more about equilibrium here:- brainly.com/question/30807709

#SPJ11

If sales are expressed as a function of the amount spent on advertising, then the dollar amount at which the rate of change of sales goes from increasing to decreasing is called the point of diminishing returns or diminishers returns to scale.

It sounds like you want to know about the relationship between sales, advertising, and the rate of change. Here's an answer incorporating the terms you've mentioned:

If sales are expressed as a function of the amount spent on advertising, the dollar amount at which the rate of change of sales goes from increasing to decreasing is called the inflection point. If 'x' is that dollar amount, then 'x' represents the advertising budget at which the sales growth rate starts to decline.

This point indicates that increasing the amount spent on advertising beyond this dollar amount will result in a decrease in the rate of change of sales. This is known as the diminishers' scale to return.

Learn more about Diminishers:

brainly.com/question/14673761

#SPJ11

The coordinates of any point on the flat surface of the washer, and the radius is half of the diameter, which is 3/7 inches.

To describe the flat surface of a washer that is 3.6 inches in diameter and has an inner hole with a diameter of 3/7 inch, we can use the following inequalities:

For the outer circumference of the washer:

[tex]x^2 + y^2[/tex]≤ [tex](3.6/2)^2[/tex]

where x and y are the coordinates of any point on the flat surface of the washer, and the radius is half of the diameter, which is 3.6/2 inches.

For the inner circumference of the washer:

[tex]x^2 + y^2[/tex] ≥ [tex](3/14)^2[/tex]

where x and y are the coordinates of any point on the flat surface of the washer, and the radius is half of the diameter, which is 3/7 inches.

Note that these inequalities represent the circular boundaries of the flat surface of the washer, where the outer circumference is a circle with radius 1.8 inches and the inner circumference is a circle with radius 3/14 inches. The flat surface of the washer is the region bounded by these two circles.

To learn more about  coordinates  visit: https://brainly.com/question/16634867

#SPJ11

The lines a and b is parallel to each other. So, the correct answer is A).

Parallel lines are two lines that are always the same distance apart and never meet, no matter how far they are extended. This means that they maintain the same distance between them at all points, and they have the same slope or gradient, but their lengths do not affect their parallel relationship.

Parallel lines are important in geometry and mathematics, and they have numerous real-world applications, such as in architecture, engineering, and design. In many practical situations, parallel lines are used to ensure that objects are straight, balanced, or level. So, the correct answer is A).

To know more about Parallel line:

https://brainly.com/question/16701300

#SPJ1

The container holding 2. 66 cubic feet can hold about 0.10 cubic yards.

For the conversion of cubic feet to cubic yards, we can divide the volume by appropriate values. There are 3 feet in one yard, so there are (3 feet)³ = 27 cubic feet in one cubic yard.

Therefore, to convert 2.66 cubic feet to cubic yards, we can use the following conversion factor,

1 cubic yard = 27 cubic feet

2.66 cubic feet / 27 cubic feet per cubic yard = 0.0985 cubic yards

Rounding this answer to two decimal places, we get, the container can hold approximately 0.10 cubic yards.

To know more about unit conversion, visit,

https://brainly.com/question/30460457

#SPJ4

(a) When the ball leaves the child's hand, x = 0, so we can substitute this into the equation:
y = -1/16(0)^2 + 2(0) + 5
y = 5
Therefore, the ball is 5 feet high when it leaves the child's hand.

(b) To find the maximum height of the ball, we need to determine the vertex of the parabola. The x-coordinate of the vertex is given by:
x = -b/2a
where a = -1/16 and b = 2. Substituting these values:
x = -2/(2(-1/16))
x = 16
To find the y-coordinate, we substitute x = 16 into the equation:
y = -1/16(16)^2 + 2(16) + 5
y = 21
Therefore, the maximum height of the ball is 21 feet.

(c) To find how far from the child the ball strikes the ground, we need to determine the value of x when y = 0. Substituting y = 0 into the equation:
0 = -1/16x^2 + 2x + 5
Multiplying both sides by -16 to eliminate the fraction:
0 = x^2 - 32x - 80
We can solve for x using the quadratic formula:
x = (32 ± sqrt(32^2 - 4(1)(-80))) / 2(1)
x = (32 ± sqrt(1472)) / 2
x = 16 ± 8sqrt(2)
Since the ball cannot land behind the child, we take the positive value:
x = 16 + 8sqrt(2)
Therefore, the ball strikes the ground approximately 29.1 feet from the child.

To learn more about parabola : brainly.com/question/29075153

#SPJ11

The percentage of the day the student spend at school in the pie chart is derived to be 35 percentage.

In a pie chart, the size of each sector is proportional to the value it represents. Therefore, the percentage represented by each sector can be calculated by dividing the value of that sector by the total value and multiplying by 100.

We shall represent the percentage of the day the student spend at school with the letter x, such that:

x = (126 × 100)/360

x = 7 × 5

x = 35%

Therefore, the percentage of the day the student spend at school is derived to be 35 percentage.

Read more about percentage here:https://brainly.com/question/24461724

#SPJ1

The median wait time for the speed slide is 2 times longer than the median wait time for the wave machine.

No, There is a lot of overlap between the two data sets.

We have,

Box plots:

Speed side

Median = 11

First quartile = 6

Third quartile = 12

IQR = 12 - 6 = 6

Wave machine

Median = 9

First quartile = 8

Third quartile = 14

IQR = 14 - 8 = 6

Now,

Difference between the median.

= 11 - 9

= 2

Now,

From the box plots, the wait time for the wave machine is longer than the speed side.

Thus,

The median wait time for the speed slide is 2 times longer than the median wait time for the wave machine.

No, There is a lot of overlap between the two data sets.

Learn more about the median here:

https://brainly.com/question/28060453

#SPJ1

There are a total of possible values of for which is divisible by .

We want to find the number of values of for which is divisible by . Let's consider the possible remainders when is divided by .

If , then is divisible by , since the last digit of any even number is 0, 2, 4, 6, or 8, all of which are divisible by .

If , then is not divisible by , since the last digit of any odd number is 1, 3, 5, 7, or 9, none of which are divisible by .

Therefore, we can assume that is even, and write as , where is an -digit number and is a digit from 0 to 9. We can then write:

We know that is divisible by , so we need to find the values of for which is divisible by . This is equivalent to finding the values of for which is divisible by , since is relatively prime to .

We can rewrite the equation above as:

This shows that is divisible by if and only if is divisible by . Since and are relatively prime, this occurs if and only if both and are divisible by . In other words, we need to find the values of such that both and are divisible by .

There are 5 even digits (0, 2, 4, 6, and 8) that can be chosen for , and 10 digits (0 to 9) that can be chosen for . Thus, there are a total of possible choices for the pair (). We need to determine how many of these pairs result in both and being divisible by .

For to be divisible by , we need the sum of its digits to be divisible by . Since is even, this is equivalent to requiring the sum of the digits of to be divisible by . This means that we can choose any combination of the even digits (0, 2, 4, 6, and 8) to fill the digits of , with no restrictions. There are 5 choices for each digit of , for a total of possible -digit numbers that are divisible by .

For to be divisible by , we need to be divisible by . Since is relatively prime to , this is equivalent to requiring to be divisible by . Since is an -digit number, it follows that is an -digit number. Thus, we need to choose the first digits of to be divisible by .

There are 10 choices for each of the first digits of , and 5 choices for the last digit (since it must be even). Thus, there are a total of possible -digit numbers that have the first digits divisible by .

To count the number of pairs () that result in both and being divisible by , we can use the multiplication principle: we multiply the number of choices for by the number of choices for , since these choices are independent of each other. Thus, the total number of pairs () is:

Therefore, there are a total of possible values of for which is divisible by .

To learn more about equivalent visit:

https://brainly.com/question/30054765

#SPJ11

Answer: B

Step-by-step explanation: Coplanar= in the same plane

Finally, using the commutative and associative properties of Boolean addition, we can group the terms to get AB + AC + B.

Q1:

Using De Morgan's theorem, we have:

F = XYZ + XYZ = XYZ(1 + 1) = XYZ

Taking the complement of F, we get:

F' = (XYZ)'

= (X'+Y'+Z')

= X'Y'Z'

Now, let's find the complement of F';

F' = X(YZ + Y'Z')

Taking the complement of F', we get:

F'' = (X(YZ + Y'Z'))'

= (X(YZ)')(Y(Y')Z')'

= (X'(Y'+Z))(YZ)

= X'YZ + XYZ'

Therefore, the complement of F is X'Y'Z', and the complement of F'; is X'YZ + XYZ'.

Q2:

ABC + ABC + ABC + ABC + ABC = ABC + ABC + ABC = ABC

Explanation: Using the associative property of Boolean addition, we can group the terms to get ABC + ABC + ABC = ABC.

AB + A(B+C) + B(B+C) = AB + AB + AC + BB + BC

= AB + AC + B

Explanation: Using the distributive property of Boolean multiplication over addition, we can expand the second and third terms to get AB + AC + BB + BC. Using the identity law, BB can be simplified to B. Finally, using the commutative and associative properties of Boolean addition, we can group the terms to get AB + AC + B.

To learn more about commutative visit:

https://brainly.com/question/30339266

#SPJ11

The appropriate area of the composite figure with given dimensions is given by option b.  71.77cm² (nearest hundredth).

Composite figure consist of a triangle and rectangle from which semicircle is cut.

Diameter of the semicircle = 7cm

Radius of the semicircle 'r' = 3.5 cm

Area of the semicircle = ( 1/2) πr²

                                     = ( 1/2) × 3.14 × (3.5)²

                                     = 19.2325cm²

length of the rectangle = 10cm

Width of the rectangle = 7cm

Area of the rectangle = length × width

                                    = 10 × 7

                                     = 70cm²

base of the triangle = 7cm

height of the triangle = 6cm

Area of the triangle = ( 1/2) × base × height

                                = ( 1/2) × 7 × 6

                                = 21 cm²

Appropriate area  of the composite figure

= Area of the triangle + area of the rectangle - area of semicircle

= 21 + 70 - 19.2325cm²

= 71.7675cm²

= 71.77cm² ( nearest hundredth )

Therefore, the area of the composite figure is equal to option b.  71.77cm².

learn more about area here

brainly.com/question/30966932

#SPJ1

Experiment: "Favorite Cake Flavor"

Hypothesis: Different people have different favorite cakes flavors.

Now, Data collection enables us to identify the cakes flavors both popular and unpopular amongst users.

Furthermore, data analysis based on factors such as age, gender, and location allows for determining if disparities exist between consumer flavor preferences.

The findings of this study would be beneficial to cakes manufacturers and retailers, as they could enhance comprehension of preferred buyer choices and eventuate their products accordingly.  

Conclusively, improved knowledge of preferred flavor profiles would facilitate refining marketing methodologies to attract a broader target audience.

Learn more about experiments on

brainly.com/question/17274244

#SPJ1

Since we do not have information on a previous survey, we cannot calculate this percentage

i. To find the number of employees who prefer LEXUS only, we need to subtract the number of employees who preferred both LEXUS and MERCEDES, and the number of employees who preferred all three brands, from the total number of employees who prefer LEXUS:

LEXUS only = Total number of LEXUS preference - (Number of employees who prefer both LEXUS and MERCEDES) - (Number of employees who prefer all three brands)

LEXUS only = (8 + 4) - 8 - 4

LEXUS only = 8

Therefore, 8 employees prefer LEXUS only.

ii. To find the number of employees who prefer AMAROK only, we need to subtract the number of employees who preferred both MERCEDES and AMAROK, and the number of employees who preferred all three brands, from the total number of employees who prefer AMAROK:

AMAROK only = Total number of AMAROK preference - (Number of employees who prefer both MERCEDES and AMAROK) - (Number of employees who prefer all three brands)

AMAROK only = (8 + 4) - 4 - 4

AMAROK only = 4

Therefore, 4 employees prefer AMAROK only.

iii. We are given that 5 employees dislike all three brands. Since this information is only from the Private Sector, we cannot determine the number of employees who dislike all three brands in the total of 175 employees from both Public and Private Sectors.

iv. The percentage increase in the number of employees who preferred all three brands is the difference between the number of employees who preferred all three brands in the current survey and the number of employees who preferred all three brands in a previous survey, divided by the number of employees who preferred all three brands in the previous survey, multiplied by 100%. Since we do not have information on a previous survey, we cannot calculate this percentage.

v. The proportion of employees who preferred all three brands in the current survey is 4/23 or approximately 0.174. To compute the percentage decrease in the proportion of employees who preferred all three brands, we need to compare this proportion with the proportion of employees who preferred all three brands in a previous survey. Since we do not have information on a previous survey, we cannot calculate this percentage.

To learn more about multiplied visit:

https://brainly.com/question/23536361

#SPJ11

The simplified form of sin x / (1-cos x) is not in the provided options. The final form is  (1 + cos x)^(1/2).

To find the simplified form of sin x / (1-cos x), we will use the following identity:

sin^2(x) + cos^2(x) = 1
Now, we can rewrite sin^2(x) as (1 - cos^2(x)).

Then, we will factor in the numerator:
sin x / (1 - cos x) = (1 - cos^2(x))^(1/2) / (1 - cos x)
Next, we factor the denominator by using the difference of squares formula:
(1 - cos^2(x))^(1/2) / (1 - cos x) = [(1 + cos x)(1 - cos x)]^(1/2) / (1 - cos x)
Now, we can simplify by canceling out the common factor (1 - cos x):
[(1 + cos x)(1 - cos x)]^(1/2) / (1 - cos x) = (1 + cos x)^(1/2)

Learn more about cos x: https://brainly.com/question/3444043

#SPJ11

Answer:

2

Step-by-step explanation:

The order of operations is:

Parentheses

Exponents
Multiply
Division
Addition
Subtraction

1 + 1 * 1 / 1 =

1 + (1 * 1) / 1 =

1 + 1 / 1 =

1 + 1 =

2

-------------------------------------------------------------------------------------------------------------

Hope this helps :)

The summation notation [tex]\sum\limits^{2}_{n = 0} (-52 + n)[/tex] when evaluated has a value of -153

From the question, we have the following notation that can be used in our computation:

[tex]\sum\limits^{2}_{n = 0} (-52 + n)[/tex]

This means that we substitute 0 to 2 for n in the expression and add up the values

So, we have

[tex]\sum\limits^{2}_{n = 0} (-52 + n) = (-52 + 0) + (-52 + 1) + (-52 + 2)[/tex]

Evaluate the sum of the expressions

So, we have

[tex]\sum\limits^{2}_{n = 0} (-52 + n) = -153[/tex]

Hence, the solution is -153

Read more about summation notation at

https://brainly.com/question/15973233

#SPJ1

Answer:

x = [tex]\sqrt{51}[/tex] , y = 7

Step-by-step explanation:

since PA is a tangent, then angle between tangent and radius at point of contact A is 90°

the triangle with radius x is right.

using Pythagoras' identity in the right triangle

x² + 7² = 10²

x² + 49 = 100 ( subtract 49 from both sides )

x² = 51 ( take square root of both sides )

x = [tex]\sqrt{51}[/tex]

since PB is a tangent then ∠ B = 90° and triangle with y is right

note that the segment from B to the centre is the radius and is equal to x

using Pythagoras' identity in this right triangle

y² + x² = 10²

y² + ([tex]\sqrt{51}[/tex] )² = 100

y² + 51 = 100 ( subtract 51 from both sides )

y² = 49 ( take square root of both sides )

y = [tex]\sqrt{49}[/tex] = 7

then x = [tex]\sqrt{51}[/tex] and x = 7

Answer:

432

Step-by-step explanation:

-12(-36) = 432

For two Vertical angles say Angle 1 and angle 2, with measure expression of angle 1 = 7x+20 and angle 2 = 9x-14, the measure of angle 2 is equals to 139°.

Vertical angles are pair angles formed two lines meet each other at a point. Vertically opposite angles is another name of vertical angles because the angles are opposite to each other. They are always equal. In above figure 1° and 2° are vertical angles. We have, a pair of vertically opposite angles, angle 1 and angle 2. The measure of angle 1 = 7x + 20.

The measure of angle 2 = 9x - 14. We have to determine measure of angle 2. Vertical angles are always equal, so measure of angle 1 = measure of angle 2

=> [tex]7x + 20 = 9x - 14[/tex].

Solve the expression, 9x - 7x = 20 + 14

=> 2x = 34

=> x = 17

So, measure of angle 2 = 9x - 14 = 9 × 17 - 14 = 153 - 14 = 139°

Measure of angle 1 = 139°. hence, required measure of angle is 139°.

For more information about vertical angle, visit :

https://brainly.com/question/18450499

#SPJ4

If by the baking of 81 muffins, the baker has completed 37.5% of the order. The customer placed an order for 216 muffins.

Percent refers to the ratio of numbers where the denominator is 100. The percentage of a given number is calculated as the percentage divided by 100 and multiply the given number.

Percentage of baked muffins = 37.5%

Number of the baked muffin = 81

Let the number of muffins ordered be x

37.5% of x = 81

37.5/100 * x = 81

0.375x = 81

x = 81/0.375

x = 216

Thus, 216 muffins were ordered by the customer.

Learn more about Percentage:

https://brainly.com/question/24339661

#SPJ4

Your answer: (c) If the procedure were repeated many times, 95% of the resulting confidence intervals would contain the population mean systolic blood pressure.

The correct interpretation of the given confidence interval is (b) 95% of the population of employees have systolic blood pressure between 122-138. This means that if we take multiple samples of the same size from the population, 95% of the confidence intervals we construct from those samples will contain the true population mean systolic blood pressure.

Option (a) is incorrect as it only talks about the sample employees, not the population.

Option (c) is also incorrect as it talks about repeating the procedure of constructing confidence intervals, not the actual population mean systolic blood pressure.

Option (d) is incorrect as it talks about the probability of the population mean, which is not a valid interpretation of a confidence interval.

Option (e) is also incorrect as it talks about the sample means, not the population mean.

Learn more about :

systolic blood pressure : brainly.com/question/12653596

#SPJ11

No, the number of sit-ups Anna does, is not proportional to the time she spends doing them.

When Anna starts doing sit-ups for her first triathlon, she does a sit-up every 22 seconds. But we know that as she gets tired, each sit-up takes longer and longer to do. The situps may take 40 seconds or 75 seconds as she gets more tired.

As we can see that there is no constant rate at which she gets tired and take more seconds to do sit-ups. In order to be proportional, the increasing or decreasing rate should be constant. We can see that the time she spends doing them is not increasing or decreasing at a constant rate along with the number of sit-ups she is doing.

Therefore, the number of sit-ups Anna does is not proportional to the time she spends doing them.

To learn more about proportionality;

https://brainly.com/question/1266676

#SPJ4

The complete question is "Anna does sit-ups to get ready for her first triathlon. When she starts, she does a sit-up every 22 seconds. But, as she gets tired, each sit-up takes longer and longer to do. Is the number of sit-ups Anna does proportional to the time she spends doing them? "

Range of center should be used to determine which location typically has the cooler temperature.

Now, We know that;

Range is measures the difference between the highest and lowest values in a dataset, providing a clear measure of variability for both sets of data. It is not affected by skewness or symmetry, which makes it a useful measure of variability for comparing the temperature consistency between Desert Landing and Flower Town.

A histogram is a graphical representation of the distribution of a dataset. It is a way to display the frequency of different values or ranges of values in a dataset.

The x-axis of a histogram typically represents the values or ranges of values, and the y-axis represents the frequency or count of those values.

The data is divided into bins, and each bin is represented by a bar whose height corresponds to the number of observations in that bin. Histograms are used to visualize the distribution of data, detect outliers, and identify patterns or trends in the data.

Learn more about histogram in;

brainly.com/question/16819077

#SPJ1

The average benefit a Medicaid recipient receives is $8,443.

To calculate the average benefit a Medicaid recipient receives, we need to divide the total value of transfers by the number of recipients.

Total value of Medicaid transfers = $650 billion

Number of Medicaid recipients = 77 million

Average benefit per Medicaid recipient = Total value of transfers / Number of recipients

= $650 billion / 77 million

= $8,442.97

Rounding this to the nearest dollar, we get that the average benefit a Medicaid recipient receives is $8,443.

Learn more about average:

https://brainly.com/question/20118982

#SPJ4

This is the minimum variance of 0, and we can see that it decreases as n increases.

What is the standard deviation?

A measure of a group of values' variance or dispersion in statistics is called the standard deviation. When the standard deviation is low, the values are more likely to fall within a narrow range, also known as the expected value, whereas when the standard deviation is high, the values tend to be closer to the mean. The lowercase Greek letter sigma, which stands for the population standard deviation, or the Latin letter s, which stands for the sample standard deviation, are most frequently used in mathematical equations and texts to represent standard deviation. Standard deviation is also sometimes referred to as SD.

To find the minimum variance unbiased estimator of 0, we first take the natural logarithm of the likelihood function:

ln [tex]L(0; Y_1, Y_2, ..., Y_n) = -n*0 - (Y_1+Y_2+...+Y_n)[/tex]

Taking the derivative with respect to 0 and setting it equal to zero, we get:

d/d0 ln [tex]L(0; Y_1, Y_2, ..., Y_n) = -n + 0 = 0[/tex]

Therefore, the maximum likelihood estimator of 0 is:

[tex]0 = ΣY_i / n[/tex]

To show that it is unbiased, we take the expected value of 0:

[tex]E(0) = E(ΣYi / n) = (1/n) E(ΣYi) = (1/n) nE(Y1) = (1/n) n(0+1) = 1[/tex]

Since E(0) = 1, we can see that 0 is an unbiased estimator of 0.

To find the variance of 0, we use the fact that [tex]Var(Yi) = E(Yi^2) - [E(Yi)]^2 = 1 - 0^2 = 1 - (ΣYi / n)^2.[/tex] Therefore:

[tex]Var(0^) = Var(ΣYi / n) = (1/n^2) Var(ΣYi) = (1/n^2) nVar(Y1) = 1/n - (ΣYi / n)^2[/tex]

This is the minimum variance of 0, and we can see that it decreases as n increases.

Learn more about standard deviation, by the following link.

https://brainly.com/question/12402189

#SPJ4

The possible values of the expression when the inequality is true, are:

(8, ∞).

Here we have the absolute value expression:

A = |x + 3|

And we know that x > 5, replacing that in the inequality, we will see that the lower bound of the possible values is:

A  >|5 + 3|

A > 8

Then the values allowed for the expression are all the values in the range (8, ∞).

Learn more about inequalities.

https://brainly.com/question/24372553

#SPJ1

There are many good first moves in chess, but some of the most popular ones include:

The Italian Game (1.e4 e5 2.Nf3 Nc6 3.Bc4) which aims to control the center quickly with your pawn and knight.

The Sicilian Defense (1.e4 c5) which is a sharp and aggressive opening that aims to control the center with black’s pawns.

The French Defense (1.e4 e6) which aims to control the center with black’s pawns and bishop.

The Ruy-Lopez (1.e4 e5 2.Nf3 Nc6 3.Bb5) which is one of the oldest and most respected openings in chess history.

The Slav Defense (1.d4 d5 2.c4 c6) which is a solid opening that aims to control the center with black’s pawns.

These are just a few examples of good first moves in chess. It’s important to remember that there is no one “best” opening move in chess, as it depends on your playing style and personal preference.

I hope this helps! Let me know if you have any other questions.