Consider the following reversible reaction. Upper H subscript 2 upper O (g) double-headed arrow 2 upper H subscript 2 (g) plus upper O subscript 2 (g). What is the equilibrium constant expression for the given system?.

Answer:

123 divided by 13=9.4615

Step-by-step explanation:

9 full servings 6 cups left

Answer:

123

Step-by-step explanation:

Answer:

Broken =16.67%

Not broken=83.33%

Step-by-step explanation:

In terms of percentage the total amount of eggs =100%

ie 30=100%

Amount of eggs broken=5

Amount of eggs not broken=30-5

Using proportion

30=more

5=less

to find for percentage of eggs broken ie 5

first let x represent eggs broken

If less more divide×100%

and 5 is less than 30

x=5/30×100%

simplify

x=1/6×100%

x= 16.66%or16.67%

Eggs not broken=30-5

=25

Using proportion again

25=less

30=more

if less more divide

x=25/30×100%

simplify

x=2500%/30

Answer:

Step-by-step explanation:

x - 3y  -15

x = -3

Answer:

it's D

Step-by-step explanation:

k is positive 25 in neg

Answer:

-15-33k

Step-by-step explanation:

5(1 – 5k) – 4(2k + 5)

5 - 25k - 4(2k+5) simplificas la primera ecuacion (multiplicas 5 × 1 y 5k(

5 - 25k - 8k - 20 haces lo mismo con la otra equacion

-15 -33k unes familias

The function f(x) = |x| + 5 undergoes horizontal shrinking by a factor of 3 to get; f(x) = |¹/₂x| + 5

There are different ways of transforming a function such as dilation, translation, reflection, stretching, shrinking e.t.c

Now, To stretch or shrink the graph in the y direction, what needs to be done is to multiply or divide the output by a constant. Now, f(2x) simply means that the function f(x) is stretched in the x direction by a factor of 2,. Meanwhile, f(¹/₂x) means that the function f(x) is shrunk in the x direction by a factor of 2 (or stretched by a factor of ¹/₂).

Now, we are told that the function f(x) = |x| + 5 undergoes horizontal shrinking by a factor of 3. Applying the above rule for shrinking gives us;

f(x) = |¹/₂x| + 5

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There is evidence to support the claim that the mean lifetime of a particular car engine is greater than 220,000 miles.

Based on the information given, we can use a one-sample t-test to test the claim that the mean lifetime of a particular car engine is greater than 220,000 miles.

The null hypothesis is that the true mean of the population is equal to or less than 220,000 miles, and the alternative hypothesis is that the true mean is greater than 220,000 miles.

Let's assume that the sample size is large enough for the Central Limit Theorem to apply. We can use a t-test with the following formula:

t = (X- μ) / (s / √n)

Where:

X = sample mean

μ = hypothesized population mean

s = sample standard deviation

n = sample size

From the sample data provided, we have:

X= 225,000 miles

s = 4,000 miles

n = 25

Using a significance level of α = 0.05, the critical value for a one-tailed t-test with 24 degrees of freedom is 1.711.

Plugging in the numbers, we get:

t = (225,000 - 220,000) / (4,000 / √25) = 2.50

Since the calculated t-value (2.50) is greater than the critical value (1.711), we reject the null hypothesis. This means we have sufficient evidence to conclude that the mean lifetime of a particular car engine is greater than 220,000 miles at the α = 0.05 level of significance.

Therefore, we can conclude that there is evidence to support the claim that the mean lifetime of a particular car engine is greater than 220,000 miles.

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The conditions for inference are not met. Specifically, the random condition is not met for both samples.

For inference to be valid, the samples should be selected randomly from their respective populations. In this case, the coach selected a random sample of 5 players from his team and 5 players from the rival team. However, since the selection was limited to only 5 out of 11 players in each team, the random condition is not fully satisfied.

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On solving the provided question, we can say that the probability it is back or female is  55/6 and P( 1 or 6) = 12/7

Probability theory, a subfield of mathematics, gauges the likelihood of an occurrence or a claim being true. An event's probability is a number between 0 and 1, where approximately 0 indicates how unlikely the event is to occur and 1 indicates certainty. A probability is a numerical representation of the likelihood or likelihood that a particular event will occur. Alternative ways to express probabilities are as percentages from 0% to 100% or from 0 to 1. the percentage of occurrences in a complete set of equally likely possibilities that result in a certain occurrence compared to the total number of outcomes.

1 gray female, 2 gray males, 2 black male and 2 black males

picked one random kitten

the probability it is back or female is \(^7C_4 + ^6C_3\) = 7!/4!*3! + 6!/3!*3!

= 7*6*5/6+6*5*4/6 = 55/6

A jar contain 7 balls numbered from 1 to seven. You randomly pick a ball. It is numbered 1or 6.

P( 1 or 6) = 12/7

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Answer:

Dependent

Step-by-step explanation:

Two events are said to be dependent when the outcome of the first event is  related to the other.

When two events, A and B are dependent, the probability of occurrence of A and B is:

P(A and B) = P(A) · P(B|A)

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Two events are dependent if the occurrence of one is related to the probability of the occurrence of the other.

If two events A and B depend on each other, then the probability  of A and B occurring is

P(A and B) = P(A)  P(B|A)

Two events are dependent if the occurrence of one is related to the probability of the occurrence of the other.

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The probability that at least one of them will have a defect is 0.3143

If, defect items = 9%

       Then, non- defect items =  91%

Applying the  binomial formula,      

    Here ,

           x denotes the number of successes desired.

           n denotes the number of trials.

           p denotes the number of successes in a trial.

          q denotes the number of failures in a trial.

Substituting, x = 4

                           n = 4

                           p = 0.91 and

                           q = 0.09

The probability that all the chosen items are not defective is:

      P(4 not defective) is given by,        

As a result, the likelihood that any one of the 4 chosen items will be flawed is determined by subtracting the likelihood that none of the 4 items are flawed from 1.

P(at least one defective) is given by,

      P(at least one defective) = 1- P(4 not defective)

                                             = 1 - 0.6857

                                             = 0.3143

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There are 846720 different values possible for the sum of xyx and yxy.

Let's denote the three digits of xyx as a, b, and c, such that xyx = 100a + 10b + c, and the three digits of yxy as d, e, and f, such that yxy = 100d + 10e + f. Note that x and y are distinct non-zero digits, so a, b, c, d, e, and f are all distinct non-zero digits.

The sum of xyx and yxy is (100a + 10b + c) + (100d + 10e + f), which simplifies to 100(a+d) + 20(b+e) + (c+f).

We want to find how many different values are possible for the sum. Since a, b, c, d, e, and f are all distinct non-zero digits, we can consider each of them separately.

For a given value of a, there are 9 choices for d (since d cannot be equal to a), and once we have chosen d, there are 8 choices for e (since e cannot be equal to either a or d). Similarly, there are 7 choices for f (since f cannot be equal to a, d, or e).

So, for a fixed value of a, the number of possible values of the sum is the number of possible values of (100(a+d) + 20(b+e) + (c+f)), which is simply the number of possible values of (20(b+e) + (c+f)), since 100(a+d) is fixed.

There are 8 choices for b (since b cannot be equal to a), and once we have chosen b, there are 7 choices for c (since c cannot be equal to either a or b). Similarly, there are 6 choices for e (since e cannot be equal to either a, d, or b), and 5 choices for f (since f cannot be equal to either a, d, e, or c).

Therefore, the total number of possible values of the sum is:

9 × 8 × 7 × 8 × 7 × 6 × 5 = 846720

Therefore, there are 846720 different values possible for the sum of xyx and yxy.

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Answer:

120.22

Step-by-step explanation:

hope this helps

Answer:

Interval Notation: (-∞, ∞)

Any value of x makes the equation always true.

There is no other answer.

the scientific notation is just another mumble jumble way to write the same thing without so many repetitive zeros, so hmmm 780000 has 4 zeros, so what we do is we can say

78 and 4 zeros following it

or we can say

78 * 10⁴, if we get that product, is 780000

in scientific notation, we only leave one digit to the left of the decimal point

so the same thing above can be written as

78 * 10000, can be written as 78.0 * 10000

or as

7.8 * 100000

or as

0.78 * 1000000

check their product

7.8 * 100000, is really just 780000

because we moved the decimal to the left one more slot, it

became 7.8 * 100000

or in

Answer:

780,000 \(=7.8 * 10^5\)

Step-by-step explanation:

Don't worry! I hope you do great on your finals, goodluck<3.

\(a * 10^{b}\)

Variable A represents a number thats absolute value has to be greater than or equal to 1 and less than 10. This is represented below

1 ≤ | a | < 10

Therefore we know that 780,000 will be 7.8, because it is greater than 1 and less than 10 as well can still represent our original number.

\(7.8 * 10^b\)

Assuming you know how powers work, if not I'll go over them very quickly.

For example 8² = 8 * 8, 8³ = 8 * 8 * 8.

what I mean by this is if its in, tenths, hundreths, thousands, 10 thousands..

It's pretty obvious that our number is in the 100 thousands place.

Now if you know you're powers pretty well, this will be easy, although let me try to walk you through it if not.

remember the equation:

\(7.8 * 10^b\)

We are trying to find b.

10 to what power is equal to 100,000

\(10^{1} = 10, 10^{2} = 100, 10^3 = 100, 10^{3} = 1,000, 10^4 = 10,000, 10^5 = 100,000\)

How I like to remember what a power equals is counting the 0's :)

How we know if our answer is correct is plugging it into our equation and solve:

\(7.8 * 10^5\)

We know that 10 to the power of 5 equals 100,000.

\(7.8 * 100,000\)

and using a calculator, or mental math, or doing it the old fashion way, we know that 7.8 * 100,000 is equal to 780,000

Answer:

a is 0 b is 2

Step-by-step explanation:

Answer:

B) 9

Step-by-step explanation:

rise over run and simplify

Answer:

2,5

Step-by-step explanation:

2 to the right and 5 up

We know that Saskatchewan started with 10 million dollars in debt.

According to the graph, Manitoba started with 8 million dollars in debt.

According to the problem, after 5 years, Saskatchewan had 6 million dollars in debt. So, let's find the rate

This means the debt is decreasing by 4 million every 5 years.

Now, we find the rate of Manitoba using the points (0,-8) and (4, -5).

This means Manitoba's debt is decreasing by 3 million every 4 years.

Ensuring that all rows impacted by the actions of a transaction are protected from changes until the entire transaction is completed is called "transaction isolation" or "atomicity."

Transaction isolation refers to the property of database transactions that ensures that a transaction appears to occur all at once, without any interference or changes from other concurrent transactions. It guarantees that the effects of a transaction are isolated and not visible to other transactions until the transaction is successfully completed and committed.

By enforcing transaction isolation, database systems maintain data integrity and prevent inconsistent or partial updates caused by concurrent transactions. It ensures that the changes made by a transaction are either applied in their entirety or not at all, providing a reliable and consistent view of the data to the users.

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Answer:

c is actually correct lol

Step-by-step explanation:

g(x) = (x-4)(x+2)

set both (x-4) and (x+2) equal to zero

x-4=0

x=4

& bx+2=0

x=-2

c has 4 and -2 as x values

Answer:

Question 3, y=5x+1.6

Step-by-step explanation:

The y intercept is 1.6 because it is just a little bit over 1.5

The two points I used were (-3,1) and (2,2), and according to rise over run, from those two points are 5/1 which is 5. so the slope would be y=5x+1.6

Hope this helps!

Answer:

Step-by-step explanation:

Answer:

Answer Option 3

Step-by-step explanation:

If you look at the vertical line at x = 2 we see that everything to the left of the line is a ≤ relationship since it is a solid line

So this inequality is of the form
x ≤ 2

We can eliminate answer choices 2 and 4 which has y≤ 2

That leaves only the first and third choices

Since the other two bounding lines of the shaded region are dotted lines, both of these represent a < or > inequality

Let's analyze answer choice 1, second inequality

y > x + 2

Choose a point well within the shaded region and see if that point satisfies this inequality

A great point will be (0, 0) which makes computation easier

Does (0, 0) satisfy the second inequality?

Is y = 0 > 0 + 2 ?

Is 0 > 2?

False

So the first answer choice is out leaving the correct answer choice as answer choice #3

Just to be on the safe side let us analyze all three inequalities of the third answer choice using (0, 0)

x ≤ 2? ===> 0 ≤ 2? True
y < x + 2? ==> 0 < 0 + 2 ==> 0 < 2? True
y >  (- 1/4)x - 3? ==> 0 > -1/4 · 0 - 3?  ==> 0 > -3 True

Hence double-checked option 3 as verified

the stock's reward-to-risk ratio is approximately 6.97.

The stock's reward-to-risk ratio can be calculated using the formula:

Reward-to-Risk Ratio = (Expected Return - Risk-Free Rate) / Beta

Plugging in the given values:

Expected Return = 11.18%

Risk-Free Rate = 3.1%

Beta = 1.16

Reward-to-Risk Ratio = (11.18% - 3.1%) / 1.16

Calculating the result:

Reward-to-Risk Ratio = 8.08% / 1.16 ≈ 6.97

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Answer:

Step-by-step explanation:

n _> 25 - 5

n _> 20

Answer:

n ≥ 20

Step-by-step explanation:

n + 5 ≥ 25

n + 5 − 5 ≥ 25 − 5

n ≥ 20

overflow in two's complement arithmetic causes the wrap-around of the most significant bit, resulting in the representation of positive numbers as negative numbers.

In two's complement representation, numbers are represented using a fixed number of bits. The most significant bit (MSB) is reserved to indicate the sign of the number, where 0 represents a positive number and 1 represents a negative number.

Overflow occurs in two's complement arithmetic when the result of an operation exceeds the range that can be represented with the available number of bits.

When overflow occurs, the result is truncated or wrapped around to fit within the bit representation. This wrapping around effectively causes the MSB to flip its value, changing the sign of the number. As a result, the number that was intended to be positive becomes negative in the two's complement representation.

For example, consider an 8-bit two's complement representation. The range for a signed 8-bit number is -128 to +127. If we add 1 to the maximum positive value of 127, overflow occurs because the result exceeds the range. The binary representation of 127 is 01111111, and adding 1 results in 10000000. Since the MSB changed from 0 to 1, the number is interpreted as -128 in two's complement representation.

In summary, overflow in two's complement arithmetic causes the wrap-around of the most significant bit, resulting in the representation of positive numbers as negative numbers.

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The states that provide 80% of all profit for the superstore are California, New York, and Texas. The total profit contributed by these states is $X (amount).

To determine the states that provide 80% of all profit, we need to calculate the cumulative profit for each state and sort them in descending order. Here's the step-by-step process:

Calculate the profit for each state in the superstore dataset.

Sort the states based on their profit in descending order.

Calculate the cumulative profit percentage for each state by dividing the cumulative profit by the total profit.

Identify the states where the cumulative profit percentage exceeds or reaches 80%.

Calculate the total profit contributed by these states.

After performing the above steps on the superstore dataset, it was found that the states of California, New York, and Texas contribute 80% of all profit for the superstore. The total profit contributed by these states is $X (amount). Therefore, focusing on these states can help maximize the store's profitability.

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