What is the value of x?
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X=

Answer:

D

Step-by-step explanation:

9.5 times the sum means you'd have to the addition first but the equation should but the same as the words. Order of operations states to do the parenthesis first. Therefore, the answer is D (10+5/4)x9.5

Answer:

A.

Step-by-step explanation:

If it's 9.5 times the sum of 10 and 5/4, the answer is A.

Its not b because its called 10 plus 9.5 times 5/4.

Its not c because it is called 9.5 PLUS the sum of 10 and 5/4.

Its not d because its called 10 plus 9.5 times 5/4.

Therefore, the word version fits with answer a.

Answer:

i did say something boo boo

Step-by-step explanation:

Answer:

They did, I believe bleep's last words were "One day all this will fade away."

Step-by-step explanation:

May I have brainliest please? :)

The solution is of k = 17/3, using operations with mixed numbers in the context of this problem.

A mixed number is modeled as follows:

a b/c.

In which:

The fractional version of the number is as follows:

(ac + b)/c

Hence the fractional equivalent of the numbers in this problem are as follows:

The value of k is calculated as follows:

2 5/12= -3 1/4 +k

29/12 = -13/4 + k

k = 29/12 + 13/4

k = 29/12 + 39/12

k = (29 + 39)/12

k = 68/12

k = 34/6

k = 17/3.

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The relation between sine, cosine and tangent, along with the adjacent and opposite side lengths, is presented in this answer.

The three trigonometric ratios are the sine, the cosine and the tangent, and they are defined as follows:

The problem is incomplete, hence I identified the keywords and related them.

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Answer:

B. 4^8

Step-by-step explanation:

The indices of the base 4 can be added while multiplying i.e. 3+5=8 but the base remains the same.

Answer:

B

Step-by-step explanation:

Because in powers we just add so it will be 4^3+5

=4^8

The domain of \(\sf y=x^3\) are all real numbers, or R due to the fact that \(\sf x^3\)  is a polynomial, which means its domain is R too.

The domain of a particular expression is all real numbers except in the place where expression is undefined. The domain of any graph includes all the x-values that are solutions.

Interval Notation:

\(\sf (-\)

Set-Builder Notation:

\(\{\text{x}|\text{x} \ \in \mathbb{R}\}\)

Determine the domain from the graph:

Thus, the domain of is:

\(\bold{(-\infty,\infty), \{x|x \ \in \mathbb{R}\}}}\)

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Answer:

A. 4 and C. 20.7

Step-by-step explanation:

i have done this before.

The measure of the central angle of a circle is 45⁰

A figure which is formed by two rays or lines that shares a common endpoint is called an angle.

Here,

Theta (angle) θ = arc length / radius

θ = 15 π / 60 cm

θ =  0.79 radians

Convert to degrees

θ = 0.79 radians = 0.79 X 180/ π

                     = 0.79 X 180/ 3.14

                     = 45⁰

Thus, the measure of the central angle of a circle is 45⁰.

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Answer:

There are 10 terms

Step-by-step explanation:

9% of 89

\( \frac{9}{100} \times 89\)

801/100

= 8.01

The perimeter of square ABCD is 28 units.

The perimeter of a square is the sum of all its sides. In this case, we need to find the perimeter of square ABCD.

The question provides two possible answers: 28 units and 37 units. However, we can only choose one correct answer. To determine the correct answer, let's think step by step.

A square has all four sides equal in length. Therefore, if we know the length of one side, we can find the perimeter.

If the perimeter of the square is 28 units, that would mean each side is 28/4 = 7 units long. However, if the perimeter is 37 units, that would mean each side is 37/4 = 9.25 units long.

Since a side length of 9.25 units is not a whole number, it is unlikely to be the correct answer. Hence, the perimeter of square ABCD is most likely 28 units.

In conclusion, the perimeter of square ABCD is 28 units.

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Answer:

1.) x=-7

2.) x= -8

3.) x=13

4.) x=2

Step-by-step explanation:

ur lucky idc

1. 4x = -28

By dividing both sides of this equation by 4, we see that x = -7.

2. x - (-6) = -2

Note that x - (-6) is equal to x + 6. To solve the equation x + 6 = -2, subtract 6 from both sides to see that x = -8.

3. -x + 4 = -9

First, subtract 4 from both sides to get that -x = -13. Then, multiply both sides by -1 to see that x = 13.

4. -3x + 7 = 1

First, subtract 7 from both sides to get that -3x = -6. Then, divide both sides by -3 to see that x = 2.

Answer:

541m

Step-by-step explanation:

The scale given 1 represents the height of the model and 10000 represents the actual height,place the 5.41 in line with the one and an unknown letter in line with the 10000 inorder to calculate the actual height

1:10000

5.41:x

cross multiply and solve for x,which will be 54100cm

but since the answer has to be in meters convert the 54100cm to a meter by dividing it by 100..

The probability that the random sample of 100 adults will have a sample proportion of less than 0.25, using the normal distribution, is of:

0.8944 = 89.44%.

The z-score of a measure X of a variable that has mean symbolized by \(\mu\) and standard deviation symbolized by \(\sigma\) is obtained by the rule presented as follows:

\(Z = \frac{X - \mu}{\sigma}\)

The proportion and the sample size are given as follows:

p = 0.2, n = 100.

Hence the mean and the standard error are given by:

The probability that the proportion is less than 0.25 is the p-value of Z when X = 0.25, hence:

\(Z = \frac{X - \mu}{\sigma}\)

By the Central Limit Theorem:

\(Z = \frac{X - \mu}{s}\)

\(Z = \frac{0.25 - 0.2}{0.04}\)

Z = 1.25

Z = 1.25 has a p-value of 0.8944.

The population proportion is of p = 0.2.

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Answer:

\(-1.8x-6xy\)

Step-by-step explanation:

\(x(-1.8-6y)\)

\(x(-1.8)+x(-6y)\)

\(-1.8x+-6xy\)

To create a 4x4 elementary matrix E that performs the row operation R2 - 3R1 → R2, you can follow this structure:
E = [1, 0, 0, 0]

     [-3, 1, 0, 0]
     [0, 0, 1, 0]
     [0, 0, 0, 1]

The 4 × 4 elementary matrix E that will carry out the row operation R2-3R, → R2 is:
1 0 0 0
-3 1 0 0
0 0 1 0
0 0 0 1

In this matrix, the entry in the second row and the first column is -3 because we are subtracting 3 times the first row from the second row. The other entries on the diagonal are 1 because we are not scaling those rows. The other entries in the second row are 0 because we are not adding or subtracting anything from those rows. The other entries in the matrix are also 0 because we are not modifying those rows. This matrix will perform the desired row operation when multiplied on the left of the original matrix.

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Answer:

V÷ 2

Step-by-step explanation:

Get peevious number and divide by half.

The simplest factorial design contains 2 independent variables with 2 conditions. The answer is option B.

A factorial design is a study in which two or more independent variables are manipulated to see their impact on the dependent variable. The simplest factorial design contains two independent variables, each with two conditions, for a total of four conditions. This is referred to as a 2x2 factorial design. The factors analyzed in such a design are the primary factor: Factor A, which has two levels, is known as the primary factor or the rows, and the secondary factor: Factor B, which has two levels, is referred to as the secondary factor or the columns.

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you cant find the slope without a graph or two points so if you add a graph or two points maybe I can help you

Answer:

1

Step-by-step explanation:

x = 1x, but the 1 is omitted

Because of y=mx+b, where slope = m, m=1

The expected value of a random variable is the average value or the long-term average outcome that we would expect to observe if we repeatedly measured or observed the random variable.

The expected value of a random variable is a fundamental concept in probability and statistics. It is denoted by E(X), where X represents the random variable.

Mathematically, the expected value is calculated by taking the weighted average of the possible outcomes of the random variable, where each outcome is multiplied by its corresponding probability.

For example, let's consider flipping a fair coin. The random variable X can represent the outcome of the coin flip, where we assign a value of 1 to heads and 0 to tails.

The probability distribution of X is given by P(X = 1) = 0.5 and P(X = 0) = 0.5.

To calculate the expected value, we multiply each outcome by its corresponding probability and sum them up: E(X) = (1 * 0.5) + (0 * 0.5) = 0.5.

Therefore, the expected value of this random variable is 0.5, which means that if we were to repeatedly flip a fair coin, we would expect to get heads approximately half the time on average.

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Answer:

first 2, second 4, third 3, and the last one 1

Question: if n  balls are randomly placed into n cells, determine the probability that exactly one cell remains empty.

The probability that exactly one cell remains empty when n balls are randomly placed into n cells can be calculated as \((n-1)/n^n\).

Let's consider the scenario where n balls are randomly distributed into n cells. To determine the probability that exactly one cell remains empty, we need to calculate the number of favorable outcomes (arrangements where exactly one cell is empty) and divide it by the total number of possible outcomes.

The total number of possible outcomes is given by n^n since each ball has n choices (n cells) for placement, and there are n balls in total.

To calculate the number of favorable outcomes, we focus on the cell that remains empty. There are n choices for selecting the empty cell. For the remaining (n-1) cells, each ball has n-1 choices for placement, as it cannot be placed in the empty cell. Therefore, the number of favorable outcomes is (n-1)*(n-1)*(n-1)*...*(n-1) (n-1 repeated n-1 times).

Dividing the number of favorable outcomes by the total number of possible outcomes, we obtain \((n-1)/n^n\) as the probability that exactly one cell remains empty when n balls are randomly placed into n cells.

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The calculated t-value is 1.75. To determine whether this t-value is significant, we would need to compare it to the critical t-value for df = 8 and the desired level of significance. However, the question only asks whether the t-value is +1.75, which is true.

To determine if the statement is true or false, we will first calculate the t statistic for the given data using the formula for a repeated-measures t-test:
t = (M - μ) / (s / sqrt(n))
where M is the mean of the difference scores, μ is the population mean (in this case, 0 because we're testing for differences), s is the standard deviation (square root of the variance), and n is the number of difference scores (df + 1).
Given:
Mean of difference scores (M) = 3.5
Variance (s^2) = 36
Degrees of freedom (df) = 8
First, calculate the standard deviation (s) and the sample size (n):
s = sqrt(s^2) = sqrt(36) = 6
n = df + 1 = 8 + 1 = 9
Now, calculate the t statistic:
t = (3.5 - 0) / (6 / sqrt(9)) = 3.5 / (6 / 3) = 3.5 / 2 = 1.75
The calculated t statistic is indeed 1.75, which matches the provided value in the statement. Therefore, the statement is true.

True.
To calculate the t-statistic for a repeated-measures design, we use the formula:
t = (Mdiff - μdiff) / (sd_diff / √n)
where Mdiff is the mean of the difference scores, μdiff is the population mean of the difference scores (which we assume is 0), sd_diff is the standard deviation of the difference scores, and n is the sample size.
We are given that the mean of the difference scores (Mdiff) is 3.5 and the variance (s2) is 36. To find the standard deviation, we take the square root of the variance:
sd_diff = √s2 = √36 = 6
The sample size is not given, but we know that the degree of freedom (df) is 8. For a repeated-measures design, df = n - 1. Solving for n:
8 = n - 1
n = 9
Now we can plug in all the values into the t-formula:
t = (3.5 - 0) / (6 / √9) = 1.75

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Answer:

{2, 6}

Step-by-step explanation:

Subset: A subset is a set of which all the element are contained or can be find in the universal set.

From the question above,

μ = {1,2,4,5,6}

* The first option {0,1,2} is wrong because  0 is not contained in the universal set.

* The second option {3,4} is wrong because, 3 is not contained in the universal set.

* The third option {5,6,7} is wrong because 7 is not contained in the universal set.

* The last option {2,6} is correct because all of the element of the set are contained in the universal set, and as such makes it a subset.

Hence the subset of {1,2,4,5,6} is {2, 6}

Answer:

force of gravity on the ball

Step-by-step explanation:

when you throw something up it will come down

Answer:

It is A

Step-by-step explanation:

AB and A'B' have the same length and are parallel

Therefore the answer is C.

This comes from the fact when we rotate a point 180 degrees the sign of the coordinates change.

Look at the lines below. The green line is the original one, if we rotate 180 degrees about the origin the signs of the endpoints change and we get the blue line. From this we see that the length is the same and that the lines are parallel.

Answer:

(x+8)^2=40

Step-by-step explanation:

x^2+16x+24=0.

Well, to solve for this, you do:

1. (16/2)^2 to find what number should be in place of 24.

That, by the way, is 64.

2. There's no 64! We have to add 64-24 on both sides, which makes the equation

x^2+16x+64=40.

3. Since we know that (16/2)=8, using the completing the square formula, you know that it's going to be a variation of (x+8)^2 or (x-8)^2.

As we are adding for the middle term, it must be (x+8)^2.

4. Answer: (x+8)^2=40.

Sorry if this is too late :)

Answer:

40.4

Step-by-step explanation:

I took the test

Given Data set of people who attend the concert has a mean of 36.4.

the sum of the values by adding them all up. Divide the sum by the number of values in the data set is known as the mean.

Given The data set shows the number of people who attended a concert over a period of 10 days.

12, 35, 27, 55, 22, 23, 60, 49, 15, 66

the Sum of the given data set = 364

from the general formula of the mean

mean = (sum of data)/ number of data

Given the number of data = 10

Thus

Mean = 364 / 10

Mean = 36.4

therefore, the Mean of the given Data set is 36.4.

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Answer:

105 quarts an hour

Step-by-step explanation:

divide 210 by 2