HELP PLZZ i need to find slope

Based on the given information, when x equals 9, the regression line predicts that log(y) will equal 3.992. To find the predicted value of y when x is 9, you will need to apply the inverse transformation to the logarithmic value.  

The inverse transformation of log(y) is achieved by using the exponential function. Specifically, you can use the formula:

y = 10^(log(y))

In this case, since log(y) = 3.992, you can plug this value into the formula:

y = 10^(3.992)

When you calculate this, you will find that y ≈ 9762.97. Rounded to the nearest whole number, the regression line predicts that y will equal 9763 when x equals 9.

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reertttAnswer:

treryeryutruytruw

Step-by-step explanation:

tryutrytry

Answer:

126 cm^2 (please mark me brainliest)

Step-by-step explanation:

(14x16)/2+(2*14)/2=

112+14=126

The rule for a rotation by 270 ° about the origin is (x,y) ⇒ (y,-x)

Rotating the triangle PQR to create an image of the triangle involves moving the triangle PQR in a circular direction.

The coordinates of the given triangle are:

Using the rule, the coordinates now are:

In the attatchment, the answer is in pictoral form.

39 subjects were tested in this simple one-way ANOVA.

The df for F distribution is (treatment df, error df)

Using given information

Treatment df = 7

Error df = 31

Total df= 7+31 = 38

Again, total df = N-1, N= number of subjects tested

Then, N-1 = 38

=> N= 39

One-way ANOVA is typically used when there is a single independent variable or factor and the goal is to see whether variation or different levels of that factor have a measurable effect on the dependent variable.

The t-test is a method of determining whether two populations are statistically different from each other, and ANOVA determines whether three or more populations are statistically different from each other.

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A function \(P(t) = 170.(1.30)^t\)  that gives the deer population P(t) on the reservation t years from now

We were told there were 170 stags on reservation. The number of deer is increasing at a rate of 30% per year.

We could see the deer population grow exponentially since each year there will be 30% more than last year.

Since we know that an exponential growth function is in form:

\(f(x) = a*(1+r)^x\)

where a= initial value, r= growth rate in decimal form.

It is given that a= 170 and r= 30%.    

Let us convert our given growth rate in decimal form.

\(30 percent = \frac{30}{100} = 0.30\)

Upon substituting our given values in exponential function form we will get,

    \(P(t) = 170.(1+0.30)^t\)

⇒ \(P(t)= 170.(1.30)^t\)

Therefore, the function \(P(t) = 170.(1.30)^t\) will give the deer population P(t) on the reservation t years from now.

Complete Question:

There are 170 deer on a reservation. The deer population is increasing at a rate of 30% per year. Write a function that gives the deer population P(t) on the reservation t years from now.

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Step-by-step explanation:

they paid 23.75 dollars. I hope it helps l!

Step-by-step explanation:

They paid 23.75 dollars. I really really hope this helps l!

Answer: The length of the hypotenuse is  25

Step-by-step explanation:

Hi, to answer this question we have to apply the Pythagorean Theorem:  

c^2 = a^2 + b^2  

Where c is the hypotenuse of the triangle (the longest side) and a and b are the other legs of the triangle (vertical and horizontal leg)

Replacing with the values given:  

c^2 = 7^2 + 24^2  

c^2 = 49+576

c^2 = 625

c = √625

c = 25  

Feel free to ask for more if needed or if you did not understand something.  

Answer:

Step-by-step explanation:

i don't see a statement but use 7 i guess

Answer:

−8(3x − 8). thats the answer, im doing the USA testprep too

The equation of the line is y = -2x+1.

Explanation.

Given:

The straight line passes throught the points (4,-3) and (2,1).

The objective is to find the equation of the line.

Consider the given points as,

The general equation of straight line is,

Here, m stands for slope of the line and b stands for the yintercept of the line.

The slope of the line can be calculated by the formula,

Substitute the given values in the above formula.

Thus, the slope value is obtained.

Now, the value of b can be calculated by the equation,

Substitute the obtained values in the above equation.

By comparing the above equation with the equation of striaght line y = mx+b,

The value of b can be obtained as, b = +1.

Hence, the required final equation of the line is y = -2x+1.

The value of the line integral is (-16/3)cos(6) + (16/9)sin(6). Evaluating this integral, you will get the value of the line integral for the given curve.

To evaluate the line integral ∫c x sin yds, where C is the line segment from (0,3) to (4,6), we first need to parameterize the curve. We can do this by letting x = t and y = 3 + (3/4)t, where t goes from 0 to 4. This gives us the parametric equations x = t and y = (3/4)t + 3.

Next, we need to find ds, the length of the curve element. We can use the formula ds = sqrt(dx^2 + dy^2) to get ds = sqrt(1 + (3/4)^2)dt = sqrt(25/16)dt = (5/4)dt.

Now we can substitute in our parameterization and ds into the line integral to get ∫c x sin yds = ∫0^4 t sin((3/4)t + 3) (5/4)dt.

We can evaluate this integral using integration by parts. Let u = t and dv = sin((3/4)t + 3) (5/4)dt, then du/dt = 1 and v = (-4/3)cos((3/4)t + 3). The integral becomes:

∫0^4 t sin((3/4)t + 3) (5/4)dt = uv|0^4 - ∫0^4 v du/dt dt
= (-4/3)t cos((3/4)t + 3)|0^4 - ∫0^4 (-4/3)cos((3/4)t + 3) dt
= (-4/3)t cos((3/4)t + 3) + (16/9)sin((3/4)t + 3)|0^4
= (-16/3)cos(6) + (16/9)sin(6)

Therefore, the value of the line integral is (-16/3)cos(6) + (16/9)sin(6).

To evaluate the line integral ∫c x sin y ds, where C is the line segment from (0, 3) to (4, 6), you first need to parameterize the curve C.

A possible parameterization is r(t) = (1-t)(0, 3) + t(4, 6) = (4t, 3+3t), with t ∈ [0, 1]. Then, compute the derivative dr/dt = (4, 3).

Now, find the integrand by replacing x and y with the parameterized curve components: x sin y = (4t) sin(3 + 3t).

Next, find the magnitude of the derivative: |dr/dt| = √(4² + 3²) = 5.

Finally, compute the integral:

∫[0, 1] (4t sin(3 + 3t))(5) dt.

Evaluating this integral, you will get the value of the line integral for the given curve.

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The continuity of the piece-wise functions is defined as follows:

1. Not continuous.

2. Not continuous.

3. Not continuous.

A piece-wise function is a function that has multiple definitions, depending on the input.

Then the function is classified as continuous if the lateral limits at the points that the function change the definition are equal, and also equal to the numeric values of the function.

None of the functions in this problem are continuous, as:

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Answer:

8 shirts

Step-by-step explanation:

Given the equation a = 3b, where

a = the number of shirts  Wanda has

b = the number of shirts Wanda's brother (Will) has

Hence if Wanda has 24 shirts then

24 = 3b

Divide both sides by 3

24/3 = b

b = 8 shirts

Will has 8 shirts.

Answer:

8 shirts

Step-by-step explanation:

EXPLANATION

We are asked to describe the translation of the functions with respect to f(x) =x

To translate the function up and down, you simply add or subtract numbers from the whole function. If you add a positive number (or subtract a negative number), you translate the function up. If you subtract a positive number (or add a negative number), you translate the function down.

In function notation, to shift a function left, add inside the function's argument: f(x + b) shifts f(x) b units to the left. Shifting to the right works the same way, f(x - b) shifts f(x) b units to the right.

To do so, we will have to plot the graph of each function and compare it with f(x) represented by the red lines below

Part A

Thus, we will have

For part B

when

The translation here is

Part C

For the function

The graph is

Thus, we have the translation as A horizontal shift to the left by 2 units

Part D

The given function is

The transformed graph is

The translation is a shift to the right by 7.5 units

We are given the equation;

Firstly, let's expand the brackets.

The complete mathematical model for the spread of the disease is:

dP(t) / dt = k * t * (200 - P(t))

P(0) = 20

The mathematical model for the spread of the disease can be described using a differential equation. Let's denote the time as t and the number of people who have the disease at time t as P(t).

According to the given information, the disease is spreading at a rate proportional to the product of the time elapsed (t) and the number of people who are not sick (200 - P(t)). Additionally, it is mentioned that 20 people have the disease initially.

Therefore, the mathematical model for the spread of the disease can be represented by the following differential equation:

dP(t) / dt = k * t * (200 - P(t))

In this equation, dP(t) / dt represents the rate of change of the number of people who have the disease with respect to time. k is the proportionality constant that determines the rate of spread.

The initial condition is given as P(0) = 20, indicating that initially 20 people have the disease.

So, the complete mathematical model for the spread of the disease is:

dP(t) / dt = k * t * (200 - P(t))

P(0) = 20

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The maximum value of the equation, given the constraints would be P = 8.

First, rewrite the inequality constraints as equalities to find the boundary lines:

2x + 4y = 10

x + 9y = 12

Solve for y in terms of x for each equation:

y = (10 - 2x)/4 = 5/2 - x/2 (from the first equation)

y = (12 - x)/9 (from the second equation)

Find the intersections of these lines with the axes (x=0 and y=0) to determine the vertices of the feasible region:

When x=0:

y = 5/2 (first equation)

y = 4/3 (second equation)

When y=0:

x = 5 (first equation)

x = 12 (second equation)

We will evaluate the objective function P = x + 6y at each vertex:

P(A) = 0 + 6(0) = 0

P(B) = 0 + 6(4/3) = 8

P(C) = 5 + 6(0) = 5

The maximum value of P is 8, which occurs at vertex B (0, 4/3).

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Answer:

2.75 x 10^11

Step-by-step explanation:

Not sure about the mantissa part.  

Answer:

70%

Step-by-step explanation:

He should round the percentage to the nearest 10 which will give him a more reasonable prediction. Hope this helps!

Answer:

\( \frac{x}{4} + \frac{1}{2} = \frac{1}{8} \)

\( \frac{x}{4} = - \frac{3}{8} \)

\(x = - \frac{3}{2} = - 1 \frac{1}{2} \)

The solution to the equation x/4 + 1/2 = 1/8 is x = -3/2.

Consider the equation, we have only one x term, so taking all the terms without x to the other side and terms with x on one side.

x/4 + 1/2 = 1/8

Take the 1/2 term on the other side,

x/4=1/8 - 1/2

Taking the LCM on the Right side,

x/4 = (1-4) / 8

x/4 = -3/8

Now, we have x/4 so what we can do is, shift the 4 to the other side too, we get,

x = ( -3/8) * 4

x = -3/2

The solution to the equation x/4 + 1/2 = 1/8 is x = -3/2.

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The formula for the n-th term is:

aₙ = 3*(1/2)⁽ⁿ⁻¹⁾

For a geometric sequence where the first term is a₁ and the common ratio is r, the formula for the n-th term is:

aₙ = a₁*(r)⁽ⁿ⁻¹⁾

Here we know that the first term is a₁ = 3 and the common ratio is r = 1/2.

Then the formula for the n-th term of the sequence is:

aₙ = 3*(1/2)⁽ⁿ⁻¹⁾

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Answer:

third quadrant

Step-by-step explanation:

Under a clockwise rotation about the origin of 180°

a point in the first quadrant ( x, y ) → (- x, - y ) ← in the third quadrant

A type 1 error in this situation would be rejecting the null hypothesis that the mean reading of all detectors of this type is equal to 105 when, in reality, it is true.

In hypothesis testing, a type 1 error occurs when we reject the null hypothesis, which assumes no significant difference or effect, when it is actually true. In this specific scenario, the null hypothesis states that the mean reading of all detectors of this type is 105. If we commit a type 1 error, it means we incorrectly conclude that there is evidence to suggest that the mean reading differs from 105, even though it does not.

A type 1 error is essentially a false positive, where we mistakenly detect an effect or difference that doesn't exist. In the context of this study, it would mean falsely concluding that the detectors are inaccurate in measuring radon levels, despite there being no convincing evidence to support this claim.

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Answer:

I think there is no equation can be solved with 2 unknown variables

Good luck

Answer:

From 1st eqn .,

3x=4+5y

X=4+5y/3

From 2nd eqn ..,

-2x+6y=18

-2(4+5y/3)+6y=18

-8+10y/3 +6y=18

-8+10y+18y/3=18

-8+28y/3=18

-8+28y=54

28y=54+8

y=62/28

y=31/14

Therefore the value of y is 31/14

Again,

Putting the value of y in ..

X=4+5y/3

=(4+5*31/14)/3

=(211/14)/3

=211/42

Step-by-step explanation:

So the value of X and y is 31/14 &211/42 respectively.

Plz mark me brainest .

Answer:

x=14:25;convert to whole number 14:y=7:75; convert to whole number is 7

Step-by-step explanation:

using determiner method {x=3and-2;y=5and6}=4and18; solution cross multiple 3×6-5×6=general determiner is 28; to solve for x exchange for the number for x with the number outside which is 4;18

Answer:

"Incorrect values of the variable, such as those that are introduced as a result of the squaring process are called extraneous solutions. Extraneous solutions may look like the real solution, but you can identify them because they will not create a true statement when substituted back into the original equation."

Step-by-step explanation:

Of the given options, "Oligarchic rule must be abolished in South Africa" most closely represents Nelson Mandela's belief as spoken in his inaugural address.

Nelson Mandela's inaugural address marked a pivotal moment in South Africa's history, as he became the country's first democratically elected president after decades of apartheid rule. In his speech, Mandela emphasized the need for equality, justice, and the dismantling of oppressive systems. While the specific phrase "oligarchic rule must be abolished in South Africa" may not be directly mentioned, the sentiment aligns with Mandela's vision for a democratic and inclusive South Africa.

Mandela strongly believed in the principles of democracy, freedom, and equal rights for all South Africans. His fight against apartheid was rooted in the belief that the system of racial segregation and discrimination was unjust and had to be dismantled. Mandela spoke out against the continued apartheid system and laws, advocating for their complete elimination. He recognized that apartheid, although it may have been deemed understandable by some in the past, was fundamentally wrong and had to be eradicated for the sake of a unified and prosperous nation. In his inaugural address, Mandela emphasized reconciliation and the importance of building a united South Africa. While the exact phrase "apartheid was once an understandable policy in South Africa, but not anymore" may not be present, Mandela's words conveyed the idea that the old system of apartheid was no longer acceptable or justifiable. He sought to move the country forward by embracing a new era of equality, where all citizens, regardless of race or background, could participate fully in the democratic process and enjoy equal rights and opportunities.

In conclusion, while the provided options do not directly mirror Nelson Mandela's exact words, the statement that "oligarchic rule must be abolished in South Africa" best reflects his belief in dismantling oppressive systems and establishing a democratic society based on equality and justice.

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Answer:

Step-by-step explanation:

An inequality which represents all possible values for x in -2x>-48 is: B. x < 24.

In Mathematics, an inequality can be defined as a mathematical relation that is typically used for comparing two (2) or more numerical data such as integers, and variables in an equation based on any of the following inequality symbols:

Next, we would find the solution and possible values to this given inequality as follows:

-2x > -48

Dividing both sides of the inequality by -2, we have:

-2x/-2 > -48/-2

x < 48/2

x < 24.

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