Find p(y|b) from the information in the table. To the nearest tenth, what is the value of p(y|b)? 0. 2 0. 3 0. 4 0. 5.

Answer:

Open circle at 3 going to the right.

Step-by-step explanation:

Let’s look at this.

first, let’s simplify the inequality. 2x +3-3>9-3

2x>6

x>3

since this is just a greater than or less than, it will be an open circle.

now that we have established that, we can see that x is BIGGER than 3. In that case, it will be an open circle at 3 going to the right.

so basically the answer is

Answer:mark me it pls

meme of the day: Gote aka my friend

Answer: Bar graph

Step-by-step explanation:

You would use a bar graph because the researcher is using categorial data  so the best way to present this type of data are bar graph, pie charts and frequency tables. We wouldn't use a pie chart here because we are not comparing multiple things so a bar graph would be the best visual presentation.

Hope this helps:)

The probability is given by -0.004 , that the mean of the sample would differ from the population mean by less than 0.9 watts.

Normal distribution also known as the Gaussian probability, is a probability distribution that is symmetric about the mean, showing that data bear the mean are more frequent in occurrence than data far from the mean.

In a set with mean μ and standard deviation (which is the square root of the variance) σ , the z score of a measure X is given by:

Z =X-μ/σ

we have given μ = 495

σ =root(100),   n = 85

This is the p-value of Z when X = 495 +1.7 =496.7 subtracted by the p-value of Z when X = 495 - 1.7 = 493.3

When X = 496.7

Z =X-μ/10

Z = 496.7 -495/10

Z = 0.447 p-value = 0.447

When X = 493.3

Z =X-μ/σ

Z = 493.3- 495/10

=- 0.443 p-value

0.443 - 0.447= -0.004

Hence the probability is -0.004.

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Answer:

A

Step-by-step explanation:

Given

8 - 2x + 6x = 24 , that is

8 + 4x = 24 ( subtract 8 from both sides )

4x = 16 ( divide both sides by 4 )

x = 4 → A

Based on the mentioned boxplot and the informations provided, it appears that there are around 8 undergraduate statistics students who are 69 inches or taller.

A boxplot is a graphical representation of a dataset that summarizes the distribution of the data. The boxplot shows the range of the data, the median, and the quartiles (the 25th and 75th percentiles) of the data. In this specific boxplot, we can see that the upper whisker extends to about 70 inches, which means that any values above that would be considered outliers.

The box also extends up to around 68.5 inches, and since the box contains 50% of the data, we can infer that approximately half of the students are 68.5 inches or taller. Therefore, we can estimate that approximately 8 students (half of the 16 students) are 69 inches or taller.

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Answer: $310,000

Step-by-step explanation:

In 40 additional years, the amount she made less than her college counterparts was;

= 10,000 * 40

= $400,000

She however made $90,000 more than them as they went to college;

= 400,000 - 90,000

= $310,000

The long-term financial cost was $310,000.

Center point of dilation is a fixed point in a plane about which all the points of the figure expanded or contract. And scale factor of a dilation is the ratio of new formed image to the old given image.

Explanation:

Therefore, the center of the dilation can be find using the translation and scale factor can be calculated using the ratio of the new to the old images.

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Answer:

100%

Step-by-step explanation:

If all 27 votes for hunger relief, that would be 100% or all of them.

The standard matrix of the linear transformation T: R² -> R⁴ is A = [5 -9; 1 3; 5 0; 1 0].

To find the standard matrix of the linear transformation T, we need to determine the images of the standard basis vectors e₁ = (1, 0) and e₂ = (0, 1) under T.

Given that T(e₁) = (5, 1, 5, 1) and T(e₂) = (-9, 3, 0, 0), we can represent these image vectors as column vectors.

The standard matrix A of T is formed by arranging these column vectors side by side. Therefore, A = [T(e₁) T(e₂)].

We have T(e₁) = (5, 1, 5, 1) and T(e₂) = (-9, 3, 0, 0), so the standard matrix A becomes:

A = [5 -9; 1 3; 5 0; 1 0].

This matrix A represents the linear transformation T from R² to R⁴.

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Answer:

8

Step-by-step explanation:

-16-8=8

Answer:

110b+65a

Step-by-step explanation:

The number "4" in the expression 4x - 5 represent the number of days Gerard worked.

An equation is an expression that shows the relationship between two or more numbers and variables. Equations can either be linear, quadratic, cubic and so on depending on the degree.

Gerard worked the same number of hours, x, on Monday, Tuesday, and Wednesday, but on Thursday, he worked 5 hours less than the previous day.

The total number of hours Gerard worked can be found using the expression, 4x − 5

Hence:

The number "4" in the expression 4x - 5 represent the number of days Gerard worked which is Monday, Tuesday, and Wednesday and Thursday

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The quadratic equation I(x)=50x-x² into a linear factor form is x - 25.

The formula for linear factors is ax + b, an x + b. A polynomial cannot be factorised further over the real numbers, and there are no actual zeros or x  values that would make an irreducible quadratic factor equal to 0. A linear factor model establishes a linear equation-based link between the return on an asset (such as a stock, bond, mutual fund, or other type of investment) and the values of a small number of variables.

50x- x²

=x(50-x)

= product of 2 linear factors

zeros are 0 and 50 = x intercepts or roots

You could rewrite it in vertex form

-(x² - 50x + 25²) + 25²

= -(x-25)² + 625

with vertex = (25,625) = max point of a downward opening parabola

= -(x-25)(x-25) + 624

where (x-25)² is the product or square of 2 linear factors x - 25 and x-25

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Answer:

You can use logic and proportion here

Step-by-step explanation:

10 bags ---> 20 days

∴ 100 bags ---> 20 days x \(\frac{100 bags}{10bags}\)        

                   ---> 20 days x 10

                   ----> 200 days

Digit 9 -1's place

Digit 4 - 100ths

Digit 8 - 10ths

Answer:

B. The digit 4 is in the tenths place

C. The digit 9 is in the thousandths place

D. The digit 8 is in the hundredths place

Step-by-step explanation:

A. The digit 9 is in the thousandths place

E. The digit 8 is in the hundredths place.

Hope it helped!

The algebraic expression for total hours that represents the number of hours per week the theater is open is 4 x + 3 y

Number of hours the theatre is opened on Monday to Thursday = x hours.

Number of hours the theatre is opened on Friday to Sunday = y hours.

Number of hours from Monday to Thursday = 4 x hours.

Number of hours from Friday to Sunday = 3 y hours.

Total hours will be represented by the algebraic expression:

Total hours = 4 x + 3 y.

Therefore, the algebraic expression for total hours that represents the number of hours per week the theater is open is 4 x + 3 y

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Finally, we can divide both sides of the equation by -120/r to get r = -120/(t - 120).

Therefore, the inverse of Janine's equation is r = -120/(t - 120).

In algebra, an equation is a mathematical statement that establishes the equality of two mathematical expressions. Take a look at the formula 3x + 5 = 14, where 3x + 5 and 14 are two expressions that are separated by the word "equal."

Either identities or conditional equations are categories for equations. For each potential value, the variables provide an identity. Only certain combinations of the values for the variables allow a conditional equation to hold true. Two expressions are joined together in an equation by the equals sign ("=").

To find the inverse of Janine's equation, we need to solve for r in terms of t. Here is how we can do that:

First, we can rearrange the equation to get t - 120 = 1/r.

Then, we can divide both sides of the equation by 1/r to get t/r - 120/r = 1.

Finally, we can divide both sides of the equation by -120/r to get r = -120/(t - 120).

Therefore, the inverse of Janine's equation is r = -120/(t - 120).

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Answer: R=120t/120-t

Explanation: edmentum/plato :)

This means that the area under the standard normal curve that lies between =z−0.29 and =z2.26 is 0.3737.

The area between =z−0.29 and =z 2.26 can be calculated using the standard normal distribution table. Follow the steps below to solve this problem

.Step 1: Draw a rough sketch of the standard normal curve with mean = 0 and standard deviation = 1.

Step 2: Mark the two z-scores, z1 = -0.29 and z2 = 2.26 on the horizontal axis of the curve .

Step 3: Shade the area under the curve between z1 and z2, as shown in the figure below. The shaded area represents the required area .

Step 4: Use the standard normal distribution table to find the area between z1 and z2. We need to find the area to the right of z1 and subtract the area to the right of z2 from it. Area between z1 and z2 = P(z1 ≤ z ≤ z2)= P(z ≤ z2) - P(z ≤ z1)Where P(z ≤ z2) is the area to the right of z2 and P(z ≤ z1) is the area to the right of z1.

From the standard normal distribution table, the area to the right of z2 is 0.0122, and the area to the right of z1 is 0.3859. Therefore, Area between z1 and z2 = P(z1 ≤ z ≤ z2)= P(z ≤ z2) - P(z ≤ z1)= 0.0122 - 0.3859= -0.3737Note that the area cannot be negative. The negative sign here indicates that we have subtracted the larger area from the smaller one. Therefore, the area between z1 and z2 is 0.3737.

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The table which matches the equation and includes only viable solutions is the third table.

An equation is the statement of two expressions located on two sides connected with an equal to sign. The two sides of an equation is usually called as left hand side and right hand side

Given that equation is,

c = 3.5b

Here b is the number of loaves of bread and c is the total cost of the bread.

All the table values matches the equation when we substitute the value of b and c in the equation.

But number of loaves of bread cannot be fractions or negative numbers.

So the most viable solution is the third table consisting of values of b as  0, 3, 6, 9 and corresponding value of c as 0, 10.5, 21, 31.5.

Hence the 2-column table with the first column labeled loaves (b) with entries 0, 3, 6, 9 and the second column labeled cost (c) with entries 0, 10.5, 21, 31.5 is the correct one.

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Answer:

The third one

Step-by-step explanation:

The requreid if x = |9|, then x could only have one possible value, which is x = 9

The absolute value of a number is its distance from zero on the number line. When pointing to the absolute value of a positive number, the result is the same number.

The absolute value of 9 is 9 since 9 is already a positive number.

The absolute value of 9 is 9. Therefore, if x = |9|, then x could only have one possible value, which is x = 9

So the only possible value of x is 9.

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The commutative, associative, and distributive properties are the properties of addition and multiplication.

The associative and commutative characteristics in mathematics are constant rules that apply to addition and multiplication.

The commutative property states that moving numbers about will still result in the same answer, while the associative property states that rearranging the numbers will provide the same result.

The distributive property states that multiplying the sum of two or more addends by a number yields the same outcome as multiplying each addend separately by the number and combining the resulting products.

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Answer:

The distributive property tells us how to solve equations in the form of a(b + c). The distributive property is sometimes called the distributive law of multiplication and division. Normally when we see an equation like this … 4(8+3) distributive property format 4(8+3) -> 4(11) -> 44 we just evaluate what’s in the parentheses first, then solve it: 4(8+3)=4x8 + 4x3=44 These are the 2 methods

Step-by-step explanation:

Answer:

The First choice

Step-by-step explanation:

Answer:

The statement that a 90% confidence interval will have a width of 2.36 based on the given sample mean and population standard deviation is not valid.

Step-by-step explanation:

The width of a confidence interval depends on the confidence level, sample size, and population standard deviation. It is not solely determined by the sample mean. Therefore, we cannot determine the width of a confidence interval based on the sample mean and population standard deviation alone.

To calculate the width of a confidence interval, you would need to know the formula or have information about the sample size and confidence level. Without that information, it is not possible to determine the width of the confidence interval.

Therefore, the statement that a 90% confidence interval will have a width of 2.36 based on the given sample mean and population standard deviation is not valid.

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Answer:

B

Step-by-step explanation:

We are given the equation:

\(\displaystyle x(b-c) = y+x\)

And that:

\(2b=3c=7\)

And we want to find the value of y / x.

To start, subtract x from both sides in the first equation:

\(x(b-c) -x = y\)

Divide both sides by x:

\(\displaystyle \frac{x(b-c)-x}{x}=\frac{y}{x}\)

Simplify:

\(\displaystyle (b-c)-1 = \frac{y}{x}\)

Next, in the second equation, divide everything by two:

\(\displaystyle b = \frac{3}{2} c = \frac{7}{2}\)

Substitute:

\(\displaystyle \left(\frac{3}{2} c - c \right) - 1= \frac{y}{x}\)

Simplify:

\(\displaystyle \frac{1}{2} c - 1 = \frac{y}{x}\)

From the modified second equation, we can multipy both sides by 1/3:

\(\displaystyle \frac{1}{2} c = \frac{7}{6}\)

Substitute:

\(\displaystyle \left(\frac{7}{6}\right) -1 = \frac{y}{x}\)

Subtract:

\(\displaystyle \frac{y}{x} = \frac{7}{6} - \frac{6}{6} = \frac{1}{6}\)

Therefore, our answer is B.

Answer:

C≈25.76in

Step-by-step explanation:

The correct value of the product of a and b is 224

Taking the prime factorization of 161 reveals that it is equal to 23*7. Therefore, the only ways to represent 161 as a product of two positive integers are 161*1 and 23*7. Because neither 161 nor 1 is a two-digit number, the only two-digit factor of 161 is 23, we know that a and b are 23 and 7. Because 23 is a two-digit number, we know that a, with its two digits reversed, gives 23.

Therefore, a = 32 and b = 7. Multiplying our two correct values of a and b yields.

The correct product must have been

a*b =32*7

=224

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Answer:

B

Step-by-step explanation:

44/77

=0.55

Answer:

Astronomers directly use geometry in their work rather than accountants , judges, pharmacist and politicians.

They used geometry to measure velocity , direction, distance, relativity, momentum, and probability. They used it to look at objects in the sky with a telescope by setting a required angle to get a proper view .

But Accountants, judges, pharmacist and politicians are not in use of geometry directly or frequently.

Hence, Option 'B' is correct.

Step-by-step explanation:

Answer: b

Step-by-step explanation: