Factorise 20x+25

thankful for the help​

2+2x3+6=18

That happens nobody answers your question for a period of time, and so it is taken down and you get the points back

Answer:

The answer is 14

Step-by-step explanation:

Also it shows that when no one answers a question of yours.

In linear equation, 792, which is the highest possible difference.

What are a definition and an example of a linear equation?

Let m be the digit from 2 to 8.

The larger three digit number will look like 9m1, while the smaller three digit number will look like 1m9.

Assume a three digits number lets say 189.

Then the largest possible three digit number after rearranging above number is 981.

 981 - 189 = 792

Again assume a three digits number lets say 149.

Then the largest possible three digit number after rearranging above number is 941.

 941 - 149 = 792

for m their difference is constant i.e:792, which is the highest possible difference.

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Answer:

w=0

Step-by-step explanation:

ok

Budget =< lights + DJ + business fee

$500 =< $125 + $100x + $75

solve for x

500 =< 200 + 100x

500 - 200 =< 100x

300 =< 100x

x =< 300/100

x =< 3

The maximum number of hours is 3

Budgeting for a household and a business both require setting financial goals, prioritizing expenses, and tracking income and expenses

Given that;

To find budgeting for a household be similar to budgeting for a business.

Since, Budgeting for a household and a business both require setting financial goals, prioritizing expenses, and tracking income and expenses.

Here,  In both cases, it's important to consider fixed and variable expenses, such as rent or mortgage payments, bills, food costs, and employee salaries.

And, Additionally, creating a contingency plan for unexpected expenses is essential for both households and businesses.

Hence, The main difference is that businesses may have more complex financial structures with investors or loans to consider, while households typically have simpler financial structures.

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Answer:

2

Step-by-step explanation:

Answer:

2

Step-by-step explanation:

i just did the question on my test!

Answer:

\(\frac{x+9}{x+3}\) , x ≠ - 3 ;

Step-by-step explanation:

f(x) = x³ + 9x² - 25x - 225 = (x + 9)(x + 5)(x - 5)

g(x) = x³ + 3x² - 25x - 75 = (x + 5)(x + 3)(x - 5)

( \(\frac{f}{g}\) )(x) = \(\frac{(x+9)(x+5)(x-5)}{(x +5)(x+3)(x-5)}\) = \(\frac{x+9}{x+3}\) , x ≠ - 3

Answer:

Yes

Step-by-step explanation:

The ratio for Danny would be 3 / 6 which simplifies to 1 / 2

For Jeff the ratio would be 2 / 4 which simplifies to 1 / 2 as well

Answer:

12

Step-by-step explanation:

the answer is 12

Answer:    12sq. units

Step-by-step explanation: Because if you take it and say it has 2 for the side and down below it has 6 you times that and you get 12.

Can you mark me brainlest???!!! Please!!!!!

The arc length formula is :

where r = radius and the angle is in radians

From the problem, the arc length is 21π units and the radius is 15 units.

Using the formula above :

ANSWER :

A.

The correlation analysis indicates a moderate positive relationship between Column X and Column Y.

To perform correlation analysis, we can use the Pearson correlation coefficient (r) to measure the linear relationship between two variables, in this case, Column X and Column Y. The value of r ranges from -1 to 1, where 1 indicates a perfect positive correlation, -1 indicates a perfect negative correlation, and 0 indicates no correlation.

Here are the steps to calculate the correlation coefficient:

Calculate the mean (average) of Column X and Column Y.

Mean(X) = (10+6+39+24+35+12+33+32+23+10+16+16+35+28+5+22+12+44+15+40+46+35+28+9+9+8+35+15+34+16+19+17+21) / 32 = 24.4375

Mean(Y) = (37+10+18+12+11+34+26+9+42+24+40+1+39+24+42+7+17+17+27+47+35+14+38+18+17+22+12+30+18+43+24+45+24) / 32 = 24.8125

Calculate the deviation of each value from the mean for both Column X and Column Y.

Deviation(X) = (10-24.4375, 6-24.4375, 39-24.4375, 24-24.4375, ...)

Deviation(Y) = (37-24.8125, 10-24.8125, 18-24.8125, 12-24.8125, ...)

Calculate the product of the deviations for each pair of values.

Product(X, Y) = (Deviation(X1) * Deviation(Y1), Deviation(X2) * Deviation(Y2), ...)

Calculate the sum of the product of deviations.

Sum(Product(X, Y)) = (Product(X1, Y1) + Product(X2, Y2) + ...)

Calculate the standard deviation of Column X and Column Y.

StandardDeviation(X) = √[(Σ(Deviation(X))^2) / (n-1)]

StandardDeviation(Y) = √[(Σ(Deviation(Y))^2) / (n-1)]

Calculate the correlation coefficient (r).

r = (Sum(Product(X, Y))) / [(StandardDeviation(X) * StandardDeviation(Y))]

By performing these calculations, we find that the correlation coefficient (r) is approximately 0.413. Since the value is positive and between 0 and 1, we can conclude that there is a moderate positive relationship between Column X and Column Y.

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To analyze the data and determine if different modes of travel are associated with different mean levels of pleasantness, a suitable statistical test to consider would be the Analysis of Variance (ANOVA). ANOVA is commonly used when comparing means between multiple groups or categories.

In this case, the independent variable is the mode of travel (train, car, bus, or plane), which has multiple categories. The dependent variable is the level of pleasantness, measured on an interval scale.

By conducting an ANOVA, you can assess whether there are significant differences in mean levels of pleasantness across the different modes of travel. The test will determine if there is evidence to suggest that the means of the groups are not all equal, indicating a potential association between travel mode and pleasantness.

If the ANOVA test indicates that there are significant differences, you can perform posthoc tests, such as Tukey's Honestly Significant Difference (HSD) test or Bonferroni correction, to identify which specific modes of travel have significantly different mean levels of pleasantness.

It's important to note that the appropriateness of the ANOVA assumes that the data meets the necessary assumptions, such as normality and homogeneity of variances. These assumptions should be checked before conducting the analysis.

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Answer:

30.5 hours

Step-by-step explanation:

444-78=366

366/12=30.5

30.5 x 12= 366

Answer:

She worked 30 1/2 hours last week

Step-by-step explanation:

Look at the picture

Hope this helps:)))

The coordinates of the unit vector, having positive first coordinate and orthogonal to the plane through a given point P(3, -4, 4) = \((\frac{\sqrt{2} }{2}, \frac{-\sqrt{2} }{2},0)\)

Let the coordinates of Q be (6 , -1 , 7) and R be (6, -1 ,9).

Then coordinates of vector(PQ) = < 6 - 3, -1 - (-4), 7 - 4 > = (3, 3, 3)

And coordinates of vector(PR) = < 6 - 3, -1 - (-4), 9 - 4 > = (3, 3, 5)

Thus, vector (n) = vector (PQ) x vector (PR)

=> vector (n) =  \(\left[\begin{array}{ccc}3&3&3\\3&3&5\end{array}\right]\)

Solving for the determinant, we get the coordinates of vector (n)

= (6, -6, 0).

Magnitude of vector (n) = \(\sqrt{6^{2}+{(-6)^{2}+{0^{2} }\) = \(6\sqrt{2}\)

Thus, the unit vector (n) = \(\frac{Coordinates Of Vector (n)}{Magnitude Of Vector(n)}\)

=> Unit vector (n) = \(\frac{(6,-6,0)}{6\sqrt{2} }\) = \((\frac{\sqrt{2} }{2},\frac{-\sqrt{2} }{2},0)\)

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COMPLETE QUESTION:

Find a unit vector with positive first coordinate that is orthogonal to the plane through the points P (3,-4,4).

The company's upgrade in production machinery, which allows for real-time transmission of data about the fit tolerance for assembled parts of each unit produced, represents an increase in the timeliness and efficiency of data transmission.

Prior to the upgrade, data about the fit tolerance for assembled parts was transmitted at the end of a production run.

This means that the information regarding the quality and precision of the assembled parts was collected and transmitted after the entire production process was completed.

However, with the upgrade in production machinery, the company now has the capability to transmit this data in real-time as the measures are taken during the production process.

The upgrade represents an increase in the timeliness and efficiency of data transmission.

By transmitting the data in real-time, the company can immediately identify any deviations or issues in the fit tolerance of the assembled parts.

This allows for timely interventions and adjustments to be made during the production process, reducing the likelihood of producing defective or substandard units.

Real-time data transmission also enables the company to have a more accurate and up-to-date understanding of the quality of each unit produced. This information can be used for immediate feedback, quality control purposes, and process improvements.

Overall, the upgrade in production machinery enhances the company's ability to monitor and control the fit tolerance of assembled parts, leading to improved production efficiency and product quality.

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Answer:

0.5(5 × 10) - 1

Step-by-step explanation:

((5 × 10) × 0.5) - 1

((50) × 0.5) - 1

25 - 1

24

Answer:

Step-by-step explanation:

(5x )4 +(5x )3 = (10x)12

La "Gripe Española" de 1.918 acabó con 2.105 por ciento de la población mundial de su tiempo.

La "Gripe Española" fue una enfermedad respiratoria emparentada con los virus SARS-COV vistos en las últimas dos décadas que alimentó una pandemia que mató a decenas de millones de personas entre 1.918 y 1.920.

En esta pregunta debemos determinar el porcentaje de personas muertas con respecto a la población mundial de la época. Esto calcula al dividir el número de personas muertas por el número total de pobladores del mundo y multiplicar tal razón por 100.

La población aproximada del mundo en 1.920 fue de casi 1.900 millones de personas, entonces tenemos que el porcentaje de personas muertas es:

x = (40 000 000 / 1 900 000 000) × 100

x = 2.105 %

La "Gripe Española" de 1.918 acabó con 2.105 por ciento de la población mundial de su tiempo.

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a)  The direction in which you should walk to descend fastest is: (-12, -16)

b) The slope of your path is: -88

c) The direction of the greatest increase in temperature at the point (−2, 2) is: (-4, 4)

The maximum rate of change is: 4√2

d) The direction of the greatest decrease is: (4, -4).

The most negative rate of change is: 4√2

(a) The equation on the surface is:

z = 15 - (3x² + 2y²)

The gradient of this surface will be the partial derivatives of the equation. Thus:

Gradient of the surface z:

∇z = (-6x, -4y)

Since you are standing above the point (2,4), then the direction to descend fastest is:

∇z(2,4) = (-6(2), -4(4))

∇z(2,4) = (-12, -16)

That gives us the direction to descend fastest is in the direction.

(b) If you start to move in the direction (-12, -16) above, then slope of your path (rate of descent) is given by the dot product expressed as:

Slope = ∇z(2,4) · (-12, -16)

= (2)(-12) + (4)(-16)

= -24 - 64

= -88

(c) We want to find the direction of the greatest increase in temperature at the point (−2,2).

Thus, the gradient of T(x,y) is given by:

∇T = (2x, 2y).

The direction is:

∇T(-2, 2) = (2(-2), 2(2))

∇T(-2,2) = (-4, 4)

The maximum rate of change is:

∇T(-2,2) = √((-4)² + 4²)

= √(16 + 16)

= √(32)

= 4√2

(d) The direction of the greatest decrease is:

(-∇T(-2, 2)) = (-(-4), -4)

= (4, -4).

The most negative rate of change is:

∇T(-2, 2) = √(4² + (-4)²)

= √(16 + 16)

= √(32)

= 4√2

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Answer:

A is the answer.

Step-by-step explanation:

In the first, we must know i^2 is (-1)

so we can get the answer is A.

A.(3x + 2i)(3x − 2i)

= (3x)^2 - (2i)^2

= 9x^2 + 4 (Answer)

B. (3x + 2)(3x − 2) = 9x^2 - 4

C. (3x + 2i)^2

= 9x^2 + 12ix - 4

D. (3x + 2)^2

= 9x^2 + 12x + 4

Answer:

7

Step-by-step explanation:

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Answer:

complete solution at jemrare dot com

Step-by-step explanation:

Answer:

The value of a₁₀ is -1352

Step-by-step explanation:

a₂ = -8

a₅ = -512

Now,

a₂ = -8 can be written as

a + d = -8 ...(1) and

a₅ = -512 can be written as

a + 4d = -512 ...(2)

Now, from equation (2) we get,

a + 4d = - 512

a + d + 3d = - 512

(-8) + 3d = - 512 (.°. a + d = -8)

3d = - 512 + 8

3d = - 504

d = - 504 ÷ 3

d = - 168

Now, for the value of a put the value of d = -168 in equation (1)

a + d = -8

a + (-168) = -8

a - 168 = -8

a = 168 - 8

a = 160

Now, For a₁₀

a₁₀ = a + 9d

a₁₀ = 160 + 9(-168)

a₁₀ = 160 - 1512

a₁₀ = -1352

Thus, The value of a₁₀ is -1352

-TheUnknownScientist

Answer:

110, 35, 35

Step-by-step explanation:

Answer:

\(a=1\\\\b=7\)

Step-by-step explanation:

\(\dfrac{x^2 (y^3)^4}{xy^5}\\\\\\=x^{2 -1} \cdot \dfrac{y^{3 \times 4}}{y^5}\\\\\\=x^1 \cdot \dfrac{y^{12}}{y^5}\\\\\\=x^1 \cdot y^{12-5}\\\\\\=x^1 \cdot y^7\\\\\text{Hence a = 1, b = 7}\)

The statements which are true for the number line plotted for the numbers √2 and √3 are statement 1,2,4 and 6 which are,

\(\sqrt{2} < 2\\\sqrt{2} < \sqrt{3}\\\sqrt{3} < 3\\\sqrt{3} < \sqrt{2}+0.3\\\)

The number line is the way of representation of number and digits in a arranged form to understand the data batter.

The number line for the numbers √2 and √3 are plotted and attached in the below.

In the attached image, it can be seen that the root of number 2 is less than the number.

The root of number 3 is less than the number 3 but greater than number 2.

In the given options, the option 1,2,4 and 6 are correct for the plotted number line.

Thus, the statements which are true for the number line plotted for the numbers √2 and √3 are statement 1,2,4 and 6 which are,

\(\sqrt{2} < 2\\\sqrt{2} < \sqrt{3}\\\sqrt{3} < 3\\\sqrt{3} < \sqrt{2}+0.3\\\)

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Based on the information provided, I would assume that the nutritionist said Morgan had eaten as much McDonald's in 30 days as a nutritionist would say you should eat in several years, perhaps 5-10 years.

The nutritionist indicated that Morgan consumed an excessive amount of McDonald's food in just 30 days.

This amount is equivalent to what a nutritionist would recommend eating over a significantly longer period, possibly several years.

The key takeaway is to maintain a balanced diet and follow the guidance of nutritionists to ensure a healthy lifestyle.

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The nutritionist said that Morgan had eaten as much McDonald's in 30 days as a nutritionist would say you should eat in several years

The nutritionist said that Morgan had consumed as much McDonald's food in 30 days as a nutritionist would recommend eating in several years. This comparison emphasizes the excessive and unhealthy nature of Morgan's McDonald's consumption.

While the specific number of years can vary depending on individual dietary recommendations, it is typically advised to consume fast food and processed foods in moderation or as occasional treats. These foods are often high in unhealthy fats, sodium, and added sugars, which can contribute to various health issues, including obesity, cardiovascular diseases, and diabetes.

The nutritionist's statement serves as a reminder of the importance of a balanced and nutritious diet consisting of whole foods, fruits, vegetables, lean proteins, and whole grains for maintaining optimal health and well-being.

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Answer:

5/4

Step-by-step explanation:

If the equation is

\( y = \dfrac{5}{4}x - \dfrac{7}{4} \)

then the slope is the number multiplying x, so

slope = 5/4.

Answer:

5/4.

The x is a variable, not a multiplication sign.

The equation is

y=mx+b

the slope is the m.