A. A hand of 7-card draw poker is a simple random sample from the standard deck of 52 cards. How many 7 draw poker hands are there? In 7-card stud poker, the cards are dealt sequentially and the order of appearance is important. How many 7 -stud poker hands are there? b. How many hands of 7-draw poker contain the ace of hearts? What is the probability that a 7-card draw hand contains the ace of hearts

Answer:

15/2/(9/2-41/8)=15/2(36/8-41/8)=15/2/-5/8=60/8/-5/8=60/-5=-12

Step-by-step explanation:

840  ways can we form a subcommittee with 3 republicans and 2 democrats

Given that

A combination in mathematics is a choice made from a group of separate elements where the order of the selection is irrelevant (unlike permutations). Three fruits, such as an apple, an orange, and a pear, for instance, can be combined into three different pairs: an apple and a pear, an apple and an orange, or a pear and an orange. A k-combination of a set S is officially defined as a subset of S's k unique elements. So, if and only if each combination contains the same elements, two combinations are said to be identical. (It is not important how each set's members are arranged.) If there are n elements in the set, then C kn is the number of k-combinations.

a senate committee has 8 republicans and 6 democrats.

now, we need to find how many ways can we form a subcommittee with 3 republicans and 2 democrats

= 8\(C_{3}\) × 6\(C_{2}\)

=\(\frac{8!}{5!3!}\) × \(\frac{6!}{4!2!}\)

=56 × 15

=840

840  ways can we form a subcommittee with 3 republicans and 2 democrats

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The amount of interest expense recognized by Jones Inc. in the current fiscal year for the $74,200, 6%, 120-day note payable is $852.

To calculate the interest expense, we need to determine the interest for the 120-day period using a 360-day year. The formula for calculating interest is Principal × Rate × Time.

In this case, the Principal is $74,200, the Rate is 6% (0.06 as a decimal), and the Time is 120 days divided by 360 days.

Interest = $74,200 × 0.06 × (120/360) = $852.

Therefore, the correct answer is option d. $852, which represents the amount of interest expense recognized by Jones Inc. in the current fiscal year.

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The maximum value is 89. Smallest (minimum) assignment plan and value using the data given above:J1 J2 J3 J4 J5A 10 11 14 9 14B 14 13 11 13 13C 7 12 12 15 15D 12 13 9 17 12E 16 15 10 16 18

Now, the smallest (minimum) assignment plan can be determined with the help of the algorithm given below:Step 1: Reduce each row by the smallest value in that row. Then, create a new matrix (matrix C) using the values of these reduced rows.Step 2: In matrix C, reduce each column by the smallest value in that column. Then, create a new matrix (matrix D) using the values of these reduced columns.Step 3:

The number of lines required to cover all the zeros in matrix D is equal to the number of allocations in the assignment problem.Step 4: Assign to each zero in matrix D a new variable (x1, x2, ... xn) and find a feasible solution to the following equations.

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Option A. If the alternative hypothesis of the test had been lower-tailed instead of two-tailed, the conclusion of the test would be different.

Recall that a two-tailed test is used when the alternative hypothesis is that the population parameter is different from the null hypothesis value in any direction, while a lower-tailed test is used when the alternative hypothesis is that the population parameter is less than the null hypothesis value.

In the given scenario, if the alternative hypothesis of the test had been lower-tailed instead of two-tailed, we would have tested the following null and alternative hypotheses:

H0: Pharaoh's translation is not worse than the other software's translation.

Ha: Pharaoh's translation is better than the other software's translation.

In this case, we would have calculated the p-value for the lower tail of the sampling distribution, and compared it to the significance level alpha. If the p-value is less than alpha, we would reject the null hypothesis and conclude that Pharaoh's translation is better than the other software's translation. If the p-value is greater than alpha, we would fail to reject the null hypothesis and conclude that there is not enough evidence to suggest that Pharaoh's translation is better than the other software's translation.

Therefore, the correct answer to the question is option A: Unlike the two-tailed test, we would conclude that there is a difference between Pharaoh's translation and the translation of the other software.

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The range of values that we are permitted to enter into our function is known as the domain of a function. The x values for a function like f make up this set (x). A function's range is the collection of values it can take as input.

The collection of all potential inputs for a function is its domain. For instance, the domain of f(x)=x2 and g(x)=1/x are all real integers with the exception of x=0.

Think about the function y = f. (x). The range of the function is the range of all the y values, from least to maximum. Substitute all possible values of x into the provided expression of y to see whether it is positive, negative, or equal to other values.

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The surface area of the rectangular prism is 36 square units

How to find the surface area of the rectangular prism with help of net of the prism?

To find the surface area of the rectangular prism, we need to add up the areas of all six faces. We can use the net of the rectangular prism to visualize each face and calculate its area.

Here is the net of the rectangular prism with its dimensions labeled.

The top and bottom faces are both rectangles with dimensions 5×2, so each of their areas is 5 × 2 = 10.

The front and back faces are also rectangles with dimensions 5×2, so each of their areas is also 10.

Finally, the left and right faces are rectangles with dimensions 2×2, so each of their areas is 2 × 2 = 4.

Therefore, the total surface area of the rectangular prism is 2(10) + 2(4) + 2(4) = 20 + 8 + 8 = 36

Therefore, the surface area of the rectangular prism is 36 square units.

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. Write the equation for the line: (Hint: there are two points given to you!)

________________________

y= mx + b

the slope is m

or

(y - y1) = m (x - x1)

___________________

points (x,y)

point 1 (4, 4) x1 = 4; y1 = 4

point 2 (3 , -1) x2= 3; y2 = -1

The slope m = (y2- y1) / (x2 -x1)

m=(-1 - 4 )/( 3 - 4)

m= -5/-1 = 5

(In this case, you choose which point you want to put as point one and point two, you will always get the same answer)

____________________

(y - 4) = 5 (x - 4)

y= 5x -20 +4

y= 5x - 16

The equation for the line is y= 5x - 16

__________________

Do you have any questions regarding the solution?

Answer:

Part 1) The value of x is 21

Part 2 The value of y is 8

Step-by-step explanation:

step 1

Find the value of x

we know that

------> by supplementary angles (linear pair)

step 2

Find the value of y

we know that

 ----> by vertical angles

substitute the value of x and solve for y

10 solar panels according to me is the answer

Answer: 10

Step-by-step explanation:

40 hours/8 hours = 5 hours

5 hours *2 solar panels = 10 solar panels

Since it takes her 8 hours to install 2 solar panels, we need to multiply 5 with 2.

Answer: 20%

Step-by-step explanation:

Step-by-step explanation:

5-1+0.85= -0.666x

4.85/-0.666= -0.666/-0.666x

x= -5.6

Answer:

your welcome

Step-by-step explanation: its 6(10)+180=5x

A is the Answer

Step-by-step explanation:

Have a good day

Answer:

-2a

Step-by-step explanation:

add -5a with 3a

- - - - -

+++

^see, two negatives are left

Answer:

Step-by-step explanation:

area or rect = l*b

= 4*6/7

= 3.4285

Answer: Indeed It is b

Step-by-step explanation:

Answer:ca,bc,and ab

Step-by-step explanation:

pls mark me brainliest and have a good day

Answer:

CA>BC>AB

Step-by-step explanation:

If you go to desmos graphing calculator and graph the triangle you can easily find out :)

Answer:

a) U and V are not row-equivalent to the identity matrix.

b) Both matrices are not invertible.

a) Let’s find the row-reduced echelon form of [UV].

The augmented matrix will be [(U|I2)], which is:

\(\begin{bmatrix}1 & -2 & 0 & 1 & 0 & 1\\0 & 1 & 0 & -2 & 0 & -5\\0 & 0 & 1 & 1 & 0 & -3\\0 & 0 & 0 & 0 & 1 & -2\end{bmatrix}\)

Since the matrix [UV] is not equal to the identity matrix, then the matrices U and V are not row-equivalent to the identity matrix.

II) Let's find the row-reduced echelon form of [VU].

The augmented matrix will be [(V|I2)], which is:

\(\begin{bmatrix}-1 & 0 & 1 & 0 & 1 & 0\\0 & 1 & 0 & -2 & 0 & 0\\0 & 0 & 1 & 1 & 0 & 0\\0 & 0 & 0 & 0 & 1 & 0\end{bmatrix}\)

Since the matrix [VU] is not equal to the identity matrix, then the matrices V and U are not row-equivalent to the identity matrix.

b) Both matrices are not invertible, since they are not row-equivalent to the identity matrix.

a) U and V are not row-equivalent to the identity matrix.

b) Both matrices are not invertible.

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Its speed of Rachel would be 30 meters per second.

Given that,

Stunt driver Rachel is trying to get out of a building that is going to blow up.

Here, the equation is,

\(d = - 38t + 220\)

Where, variable d models Rachel's distance from her exit (in meters) t seconds after the cameras began recording the stunt.

Now, Velocity is the rate at which a distance changes over time.

\(d = - 38t + 220\)

\(\dfrac{d(d)}{dt} = - 38\)

Hence, Speed is the magnitude of velocity.

\(|- 38| = 38\)

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Based on the illustration given above, the feet that she now need to ascend to get back to sea level is 40.5.

Note that the first descend was 20.6 - 12.5 =

8.1 feet

Then she drop 32.4 feet again

So to get back up she need to add:

= 32.4 feet + 8.1 feet

= 40.5

Therefore, based on the calculation given above, the feet that she now need to ascend to get back to sea level is 40.5.

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The probability that a sample of 81 painkiller pills has a mean weight less than 345 mg can be found using the properties of the normal distribution.

We are given that the weights of painkiller pills are normally distributed with a mean of 350 mg and a standard deviation of 7 mg. Since we are interested in the mean weight of a sample of 81 pills, we can use the Central Limit Theorem, which states that the sample mean of a large enough sample size will be approximately normally distributed, regardless of the underlying distribution.

To calculate the probability, we need to standardize the sample mean using the Z-score formula:

Z = (X - μ) / (σ / sqrt(n))

Where:

X is the sample mean,

μ is the population mean,

σ is the population standard deviation, and

n is the sample size.

In this case, X = 345 mg, μ = 350 mg, σ = 7 mg, and n = 81.

Calculating the Z-score:

Z = (345 - 350) / (7 / sqrt(81))

Z = -5 / (7 / 9)

Z ≈ -5 / 0.777

Z ≈ -6.43

To find the probability corresponding to this Z-score, we can refer to the standard normal distribution table or use statistical software. Looking up the Z-score of -6.43 in the table, we find that the probability is extremely close to 0 (approaching 0 but not exactly 0).

The sketch of the density curve for the normal distribution would show a symmetric, bell-shaped curve centered at the mean of 350 mg. The probability we calculated represents the area under the curve to the left of the Z-score -6.43, which corresponds to the probability of the sample mean weight being less than 345 mg.

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Answer:

1. x = 20

2. x = 60

3. x = 30

Step-by-step explanation:

Answer:

Hello!!! Princess Sakura here ^^

Step-by-step explanation:

I agree with the person who answered before me it's 100% correct.

SHOULD GIVE THEM THE BRAINLIEST!!!

The power rule for logarithms states that logb(M^p) = p * logb(M). The logarithm of a number with an exponent is the product of the exponent and the logarithm of that number.

The power rule states that logb(M^p) = p * logb(M), where M, b, and p are positive real numbers.

To understand this rule, let's consider an example. Suppose we have log2(8^2). According to the power rule, this is equivalent to 2 * log2(8).

In this case, M is 8, b is 2, and p is 2. The power rule tells us that we can bring the exponent (p) down and multiply it with the logarithm of the base (b) raised to the number (M).

So, log2(8^2) can be simplified as 2 * log2(8), which is 2 * 3 = 6.

In general, the power rule allows us to simplify logarithmic expressions by bringing the exponent down and multiplying it with the logarithm of the base.

This rule is particularly useful when dealing with complex logarithmic expressions and simplifying them to a more manageable form.

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Answer:

c

Step-by-step explanation:

In the long term, the company can expect a profit despite the presence of faulty gadgets and the expected profit of $135 is positive.

To determine this, we can analyze the expected value of each gadget sold. Let's assume that the company sells 44 gadgets. On average, one gadget will be faulty. Therefore, the company will make a profit of $5 for 43 working gadgets and incur a loss of $80 for the one faulty gadget.

The expected profit from the sale of 44 gadgets can be calculated as follows:

Expected profit = (Profit per working gadget * Number of working gadgets) - (Loss per faulty gadget * Number of faulty gadgets)

Expected profit = ($5 * 43) - ($80 * 1)

Expected profit = $215 - $80

Expected profit = $135

As the expected profit of $135 is positive, the company can expect to make a profit in the long term. Despite the cost associated with repairing faulty gadgets, the profit from selling working gadgets outweighs the losses incurred from repairing faulty ones. It is important to note that this analysis assumes the faults are random and not systemic, and that the company can accurately repair and resell the faulty gadgets.

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Answer:

22

Step-by-step explanation:

34-12=22 you just basically subtract 34 and 12 and it gives you 22 but theres the equation too