1. Mr. Jay has 24 students and 75% of them are boys. How many are boys?

Answer:

I think it's D

Step-by-step explanation:

Answer:

880 times 0.45 equals 396 as his/her commissioner fee

Step-by-step explanation:

Answer:

it's 2          11 1/4

Step-by-step explanation:

Answer:

its 11 1/4

Step-by-step explanation:

cause I'm big brain

Answer:

The slope is \(\frac{3}{4} \\\)

Answer:

\(\frac{3}{4}\)

Step-by-step explanation:

\(m = \frac{5-2}{3-(-1)} = \frac{3}{4}\)

Answer:

Difference of 15,180,495 feet³

Step-by-step explanation:

Red pyramid volume: 59300000 feet³

Pyramid of Khafre volume: 74400000 feet³

Subtract to get difference

74400000-59300000= 15100000

Nearest in answer choice is 15,180,495 so therefore it is the third choice.  

Answer:

111111111111111111111111111111111111111111Step-by-step explanation: btw its not ams

Answer:

12.04

Step-by-step explanation:

add 8 and 9 by the power of two: 8^2+9^2

that equals to 145

find the square root of 145 and that equals to 12.04

Answer:

f

Step-by-step explanation:

f

Answer:

$24,067.32

Step-by-step explanation:

If you look up a compound interest calculator and put in the data correctly you should get $24,067.32

Answer:

i think C.(-2,-1,2,4)

The correct option for the quadratic function g are-

Mathematical expressions with a two as the highest power are called quadratic functions. A function or numerical statement of degree two is a quadratic function. This indicates that two is the function's highest power.

The correct option for the given quadratic function g from the graph are-

Correction for the incorrect statements:

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The AROC is 3 for the interval 2 < x < 5, which is the correct answer that would be option (A).

A rate is a type of ratio that compares two values with distinct units. A rate is expressed as a fraction.

The table is given in the question as follows:

x          y

0         -2

1         -3

2         0

3         3

4         6

5         9

We have to determine the Average Rate of Change in the table below for the interval 2 < x < 5

As per the given table, the required AROC would be as:

⇒ (9 - 3)/(5-3)

⇒ 6/2

Apply the division operation, and we get

⇒ 3

Hence, the correct answer would be option (A).

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The most appropriate statistical test to analyze the data in this scenario is a two-way analysis of variance (ANOVA). A two-way ANOVA is suitable because it allows for the examination of the effects of two categorical independent variables (diet and medication) on a continuous dependent variable (blood cholesterol levels).

Here's a step-by-step explanation:

Step 1: Set up the null and alternative hypotheses:

Null hypothesis: There is no significant interaction effect of diet and medication on blood cholesterol levels.

Alternative hypothesis: There is a significant interaction effect of diet and medication on blood cholesterol levels.

Step 2: Check assumptions:

Ensure independence of observations.

Verify normality assumption: The distribution of cholesterol levels should be approximately normally distributed within each combination of diet and medication.

Assess homogeneity of variances: The variance of cholesterol levels should be approximately equal across all groups.

Step 3: Perform the two-way ANOVA:

Use an appropriate statistical software or tool to conduct the analysis.

Interpret the results, paying attention to the main effects of diet and medication, as well as the interaction effect. Look for significant p-values.

Step 4: Post hoc analysis (if necessary):

If the two-way ANOVA shows significant main effects or an interaction effect, conduct post hoc tests to identify specific group differences.

Common post hoc tests include Tukey's HSD test or Bonferroni correction.

Step 5: Report and interpret the findings:

Summarize the main findings, including any significant effects or differences between groups.

Discuss the implications of the results in relation to the research question.

Remember, it's always recommended to consult with a statistician or data analyst to ensure appropriate statistical analysis based on your specific data and research design.

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Answer:

x = -4, -8

Step-by-step explanation:

Step 1: Write out quadratic

x² + 12x + 32 = 0

Step 2: Subtract 32 on both sides

x² + 12x = -32

Step 3: Complete the Square

x² + 12x + 36 = -32 + 36

(x + 6)² = 4

Step 4: Take square root of both sides

x + 6 = ±2

Step 5: Subtract 6 on both sides

x = -6 ± 2

x = -4, -8

The required solution of the given quadratic equation,x² + 12x + 32 = 0 is x  = -4, or -8

Use the concept of quadratic equation defined as:

The definition of a quadratic as a second-degree polynomial equation demands that at least one squared term must be included. It also goes by the name quadratic equations. The quadratic equation has the following generic form:

ax² + bx + c = 0

The given quadratic equation is,

x² + 12x + 32 = 0

It can be written as,

x² + (2)(6)x + 32 = 0

For completing the square add 6² both sides,

x² + (2)(6)x + 6²  + 32 = 6²

(x² + (2)(6)x + 6²)  + 32 = 36

Subtracting 32 on both sides we get,

(x² + (2)(6)x + 6²) = 4

Since we know that the identity (a+b)² = a² + 2ab + b²

Therefore, the expression becomes,

(x+ 6)² = 4

Take square root on both sides,

x + 6 = ± 2

Subtract 6 on both sides,

x = -4, or -8

Hence,

The solution of the given quadratic equation is x = -4, or -8

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The statement is true.

An orthogonal set with the same dimension as the initial collection of vectors is created by the Gram-Schmidt process.

Given that,

From a linearly independent collection of {x₁, x₂,..., xp}, the gram-Schmidt process creates an orthogonal set of {v₁, v₂,..., vp} with the feature that for each k, the vectors v₁...vk span the same subspace as that spanned by x₁...xk.

Whether the claim is true or false must be determined.

The statement is true.

An orthogonal set with the same dimension as the initial collection of vectors is created by the Gram-Schmidt process. An orthogonal set is further linearly independent. The orthogonal set produced by the Gram-Schmidt process and the original set will cover the same subspace if their dimensions are the same.

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Answer:

Step-by-step explanation:

Let line to be found be Line 2

Given:

Line 1

x - 5y = 15

x - 15 = 5y

Therefore slope = 1/5

Line 2

Point = (-5,7)

Slope = 1/5

Therefore: 7 = (1*-5)/5 + c

=> 7 = -1 + c

=> c = 8

The value of x is either 3 or -5 based on the distance formula.

What is a co-ordinate system?

In pure mathematics, a coordinate system could be a system that uses one or additional numbers, or coordinates, to uniquely confirm the position of the points or different geometric components on a manifold like euclidean space.

Main body:

according to question

Given points A(-1,4) and B(x,7)

Also AB = 5 cm

Formula of distance = \(\sqrt{(y1-y2)^{2}+(x1 -x2)^{2} }\)

here by using points ,

5 = \(\sqrt{(x+1)^{2} +(7-4)^{2} }\)

taking square on both side ,'

25 = \((x+1)^{2} +3^{2}\)

25-9 = (x+1)²

16 = (x+1)²

taking square root on both sides,

x+1= ±4

x = 4-1 = 3                                  or              x = -4-1 = -5

Hence value of x is either 3 or -5.

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Answer:

4/3

Step-by-step explanation:

x + 6 - (x + 2) / 3

= x - x + 6 - 2 / 3  

=  4/3

Answer:

276.3 sq ft

Step-by-step explanation:

\(2 \times \pi {4}^{2} + 2 \times 4 \times \pi \times 7 = 276.3\)

Failing to reject the null hypothesis for interaction terms in a statistical model suggests no significant interaction effect. It may show a straight lines in the graph.

If you fail to reject the null hypothesis when testing the interaction terms in a statistical model, it indicates that there is no significant evidence to suggest the presence of an interaction effect. In such a case, the line(s) representing the model would typically be assumed to be straight. This assumption implies that the relationship between the variables is additive rather than multiplicative.
However, it’s important to note that the absence of a significant interaction does not guarantee that the lines representing the model will be straight. The straightness or curvature of the lines depends on the specific form of the model and the relationships between the variables, other than the interaction terms. Therefore, without further information about the specific model and variables, we cannot definitively determine whether the lines will be curved or straight based solely on the failure to reject the null hypothesis for the interaction terms.

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Answer:

Each magazine costs 3.90

Step-by-step explanation:

Take the total cost and divide by the number of magazines

46.80/12

3.90

Answer:

3.90$ per magazine is paid

Answer:

First of all, Jose and Jessie have a big difference when it comes to physical health and condition. Jessie is not able to perform the same exercises as Jose, neither the same intensity, and they cannot have the same goal.

So, for Jessie improve her flexibility we have to consider low intensity exercises, specifically, aerobic exercises, like walking, dancing, jogging at a low pace, pilates and yoga. Jessie, as a sedentary person most consider to do those aerobic activities three times per week, at least 30 minutes to ensure that she is demanding enough effort from her body, but all at low intensity.

Step-by-step explanation:

Answer:

-8.

Step-by-step explanation:

There’s a minus near the 8, we change it to -8.

y=-8. Hope this helps.

Traders have invested $ 100,000 in the Peace Garden Center to boost the capital Mogadishu and make a profit. looga farm income to make people come to the door to take the free tickets for different values $ 0.8 adults and 0.6 children. As many as 150 tickets were sold on Friday for $ 102. produce more child tickets than adult tickets?

The empty boxes of the numerators for the given rational expression is to be filled with 4x and 2 respectively.

Rational expression is a division of two polynomials. Which implies that the numerator and denominator of the fraction consists of polynomials.

To solve this, we will first factorise the expression of the denominator as follows;

x² - 9x + 8 = x² - 8x - x + 8

x² - 9x + 8 = x(x - 8) -1(x - 8)

x² - 9x + 8 = (x - 1)(x - 8)

Hence, we can rewrite the rational expression as:

(4x + 2)/[(x - 1)(x - 8)]

we can break the expression further by dividing each term of the numerator with the expression (x - 1)(x - 8) as follows;

(4x + 2)/[(x - 1)(x - 8] = [4x/(x - 1)(x - 8)] + [2/(x - 1)(x - 8)]

Therefore, 4x and 2 will be the appropriate values to be filled in the empty boxes equated to the rational expression.

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The number of cups of vinegar that Mike used lies between the whole numbers 2 and 4

If Mike used one cup of vinegar for each salad dressing recipe, then he used a total of 3 cups of vinegar (1 cup x 3 recipes = 3 cups).

However, the question states that he used "a cup of vinegar" in each recipe, which could mean that he used slightly less than one cup, exactly one cup, or slightly more than one cup.

Assuming that Mike used at least 3/4 cup of vinegar in each recipe (which is still close to "a cup"), then he used a minimum of 2 and 1/4 cups of vinegar in total (3/4 cup x 3 recipes = 2 and 1/4 cups).

Assuming that Mike used at most 1 and 1/4 cups of vinegar in each recipe (which is still close to "a cup"), then he used a maximum of 3 and 3/4 cups of vinegar in total (1 and 1/4 cups x 3 recipes = 3 and 3/4 cups).

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Using the t-distribution, as we have the standard deviation for the sample, it is found that the test statistic is given by:

A. -4.47

At the null hypothesis, it is tested if they spend 7 hours a week answering their email, that is:

H₀: µ = 7

At the alternative hypothesis, it is tested if they spend less than 7 hours, that is:

H₁:  µ < 7

The test statistic is given by:

t = x -  µ/s/√n

The parameters are:

x is the sample mean.

µ is the value tested at the null hypothesis.

s is the standard deviation of the sample.

n is the sample size.

In this problem, the parameters are given as follows:

x = 6.02 ,  µ = 7, s =7.8, n=1264

Hence the test statistic is:

t =  x -  µ/s/√n

t = 6.02-7/7.8/√1264

t = -4.47

Thus the test elastic is -4.47.

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Given:

An equation is:

Required:

Find the missing number so the equation has infinitely many solutions.

Explanation:

The equation consists of equal expression on both sides of the equation has an infinite solution.

Thus the equation becomes for an infinite solution as:

5x + 11 = 5x+11

Thus the missing number will be 11.

Final

The required coordinates are (6, 5).

Let A denotes the point (4, 3), and B denotes the point (9, 8).

Let C denote the point which divides the line segment AB in the ratio of 2:3.

The distance between A(4, 3) and B(9, 8) is given by

AB = √{(x₂ - x₁)² + (y₂ -y₁)²}

= √{(9 - 4)² + (8 - 3)²

= √{5² + 5²}

= √(2×5²)

= 5√2

We have AC + BC = AB

AC and BC are in the ratio 2:3.

Therefore 2x + 3x = AB

⇒5x = 5√2

⇒x = √2.

Therefore, AC = 2√2 and BC = 3√2.

Using the distance formula,

AC = √{(x - 4)² + (y - 3)²}

⇒ 2√2 = √{(x - 4)² + (y - 3)²}

⇒ √(2² + 2²) = √{(x - 4)² + (y - 3)²} (taking the 2 inside the square root.)

⇒ x - 4 = 2 ⇒ x = 6

⇒ y - 3 = 2 ⇒  y = 5.

Therefore the required coordinates are (6, 5).

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