pls help

Solve the following system of equations for y using elimination:

6x – 12y = 24
-X – 6y = 4

A. -6
B. 0
C. -1
D. 4

Answer: If this is an equality problem then 6,399 > 2911.

Answer:

Whats that?

Step-by-step explanation:

we can not answer that

Your new average would be around 73.7

A. J. Lawrance's article sheds light on the concepts of conditional and partial correlation, emphasizing their differences and importance in statistical analysis.

The article titled "On Conditional and Partial Correlation" by A. J. Lawrance, published in The American Statistician in 1976, discusses the concepts of conditional correlation and partial correlation. The main focus of the paper is to explain the difference between these two correlation measures.

Conditional correlation refers to the relationship between two variables while holding a third variable constant. It helps in understanding how the correlation between two variables changes when a third variable is taken into account.

On the other hand, partial correlation measures the strength and direction of the relationship between two variables after removing the influence of other variables.

The author emphasizes that conditional correlation and partial correlation are related but distinct concepts. While conditional correlation considers the correlation between two variables given a third variable, partial correlation quantifies the relationship between two variables by removing the effects of other variables.

The article provides mathematical formulas and explanations to illustrate the calculations of conditional and partial correlations. It highlights the importance of considering these measures in statistical analysis to better understand the underlying relationships between variables.

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The two general approaches are qualitative and quantitative.

Forecasting is a technique that uses past data as inputs to make future predictions by determining the direction of trends in the future.

It is an estimation methodology that uses judgment, other than numerical analysis. This type of forecasting depends upon the knowledge of most experienced employees and consultants to provide predictions for future outcomes.

It is a data-based math process that teams use to understand performance and predict future based revenue on the data and the patterns. Forecasting results gives businesses the ability to make informed decisions on strategies and processes to ensure continuous success

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Expression to represent the gardener Width = L + 26

Expression to represent the gardener Area = 88L

A gardener is designing a rectangular planter for a rose garden in front of the administration building on a university campus.

The gardener has enough material to build a 300-foot fence to enclose the garden.

Length = 62,

Width = 88,

Difference between width and length = 88 - 62 = 26

W(L) = L + 26.

Area = A

Function g(x) = A(L) = 88L

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Answer:

C. $20,000

Step-by-step explanation:

2,824*$7.50=$21,315

16 for the first one

25.2 for the second one

48 times every 90 secnds for the 3rd one

12 for the 4th one

18 for the 5th one

.57 for the last one

Answer:

Step-by-step explanation:

Every one but the last one because divided by three they are over seven

Answer:

32

Step-by-step explanation:

since the question has an even number of age groups, we have to find the two middle numbers which are 30 and 34, add them together and then divide that answer by 2

30 + 34 = 64

64 ÷ 2 = 32

Answer:

B

Step-by-step explanation:

The ratios are 2:1

In the table it shows 4:2, 8:x, y:6, 20:z

To find if the ratios are equivalent we would need to plug in

Once plugging in answer B we get 4:2, 8:4, 12:6, 20:10 which would all equate to 2:1

Answer:

Its B

Step-by-step explanation:

The test statistic for this test is -0.213.

To test the hypothesis that two populations have the same mean, we can use a two-sample t-test. The test statistic for this test is calculated by taking the difference between the sample means and dividing it by the standard error of the difference.

In this case, the sample averages are 6 and 7, and the standard deviations for the two samples are 16 and 15, respectively. Both samples have 32 observations.

To calculate the test statistic, we first need to calculate the standard error of the difference. This is given by:

SE = sqrt[(s1^2/n1) + (s2^2/n2)]

where s1 and s2 are the standard deviations for the two samples, and n1 and n2 are the sample sizes. Plugging in the values we have, we get:

SE = sqrt[(16^2/32) + (15^2/32)]
  = 4.698

Next, we calculate the t-statistic:

t = (x1 - x2) / SE

where x1 and x2 are the sample means. Plugging in the values we have, we get:

t = (6 - 7) / 4.698
 = -0.213

The test statistic for this test is -0.213.

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Answer:

Step-by-step explanation:

5) f(1)= 2x^3-3x^2-2x+a=-4

     2^3- 3^2-2+a= -4

      a=-1

6)b= 42

The change in profit (ΔP) when the number of units (Δx) increases by 5, based on the given marginal profit function, is -18331.50

To find the change in profit (ΔP) when the number of units (Δx) increases by 5.

we need to evaluate the marginal profit function and multiply it by Δx.

The marginal profit function is given by dP/dx = 12.1(60 - 3x).

We are given the value of x as 121, so we can substitute it into the marginal profit function to find the marginal profit at that point.

dP/dx = 12.1(60 - 3(121))

= 12.1(60 - 363)

= 12.1(-303)

= -3666.3

Now, we can calculate the change in profit (ΔP) by multiplying the marginal profit by Δx, which is 5 in this case.

ΔP = dP/dx×Δx

= -3666.3 × 5

= -18331.5

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True. System requirements provide a standard against which the finished system can be evaluated to determine whether it meets the needs of its stakeholders and performs the required functions.

System requirements play a critical role in the development of any software or technology system. They serve as a blueprint that outlines the necessary features and functions of the system, as well as the constraints and limitations that must be considered during the development process. Once the system is built, the requirements provide a standard for evaluating its overall acceptability and determining whether it meets the needs of its intended users. The requirements also help ensure that the system is built within a reasonable budget, timeline, and scope, while minimizing the risks of failure or errors. In essence, system requirements act as a benchmark for the development, testing, and acceptance of the finished system.

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Answer:  4(5z−2)

Step-by-step explanation: Brainliest pls

The value of {b} is equivalent to 4.

Geometry is a branch of mathematics that deals with shapes, sizes, angles, and dimensions of objects.

Given are two intersecting lines.

The two intersect to create two pairs of vertically opposite angles. We can write -

(5b + 16)° = (b + 32)°

5b - b = 32 - 16

4b = 16

b = 4

Therefore, the value of {b} is equivalent to 4.

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{Question in english is given below -

The figure shows two lines cut by a transversal. (5b + 16)° (b + 32)°.​}

Answer:

it will option B , hope it helps

In the given model, the intercept for the regression model is 70.

The intercept in the given simple linear regression model is 70. This means that when the independent variable (x) is zero, the predicted value of the dependent variable (y) is 70. The intercept represents the starting point or the y-value when x is zero in the regression equation.

In a simple linear regression model, the equation takes the form: y = β0 + β1x + ϵ, where β0 represents the intercept, β1 represents the coefficient of the independent variable (x), and ϵ represents the error term.

In the given regression model, the intercept (β0) is stated as 70. This means that when x is zero, the predicted value of y is 70. The intercept captures the inherent value of y that is not explained by the independent variable. It represents the baseline value of y when there is no influence from x.

Therefore, in the given model, the intercept is 70.

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Answer:

y=3

Step-by-step explanation:

y=mx+b where m = slope and b=y-intercept
slope: 0, y-intercept: 3

y=(0)x + 3

y=3

Answer:

6.4 x 10 to the power of 3

Step-by-step explanation:

always have 1 number after the decimal point and then times by ten to the power of 3.

Answer:

64x10²

Just move it to the left 2 times.

Answer:

a

Step-by-step explanation:

Answer:

the answer would be A

Step-by-step explanation:

180-135=45

90+45=135

180-135=45

w=90

x=45

25% is the larger circle area is gray.

Area of a Circle: The area of a circle is pi times the radius squared.

To calculate the area of the circle we have the formula:

A = π r²-----(1)

where

A=area

r=radius.

First, we have to analyze the given data, the large circle center o passes through d, so

Gray circle area=π*(radius)^2----(2)

The radius of the smaller circle = OD/2 substitute in (2)

Gray circle area=π*(OD/2)^2

Gray circle area=π*OD^2/4

Larger circle area=π*(radius)2    

radius of the larger circle = OD

larger circle area=π*OD^2  

To know the percentage of a large circle we have a small formula:

gray circle area/large circle area--------(3)

=π*OD^2/4/π*OD^2  

=π*OD^2/4*1/π*OD^2=1/4

=25/100

=25%

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Answer:

20/100 x 50 is 10

10% would be 10/100 is fraction form

I want to help you on the first thing you said,

so always consider a percent as a fraction but there denominator is ALWAYS 100 (a way to remember that is that the word "cent" means 100). The word "of" means multiplication so that means your multiplying it with 50 and just do the multiplication.

I'm really hoping you understand!

Answer:

it is communitive

Step-by-step explanation:

because the powers or variabled both equal the first and second problem

(the firt  and second term problems have to match in  answer

Answer:

cosecxsecx

Step-by-step explanation:

\(\hookrightarrow tanx+cotx\\\\\hookrightarrow \frac{sinx}{cosx} +\frac{cosx}{sinx} \\\\\hookrightarrow \frac{sin^{2}x+cos^{2}x }{sinxcosx} \\\\\hookrightarrow \frac{1}{sinxcosx} \\\\\hookrightarrow cosecxsecx\)

Answer:

the y-intercept of Function A is less than the y- intercept of Function B

Step-by-step explanation:

first, identify each coordinate that has instegers only

(x, y)

function A y-int: (0, -86)

function B y-int: (0, -4)

Answer:

60

Step-by-step explanation:

ABC is OBC:30

180-90-30=60

Answer:

angle BDC=60°

Answer:

Step-by-step explanation:

4x + 3 + 2x + 21 = 180

6x + 24 = 180

6x = 156

x = 26

4(26) + 3 = 107

2(26) + 21 = 73

Answer:

20

Step-by-step explanation:

Answer:  66% of 110 is 72.6

Step-by-step explanation:

Because i said so