First to awnser will the question correct will get brainlyist
The number 51 is decreased to 26. What is the percentage by which the number was decreased, to the nearest tenth of a percent?

Answer:

Sabemos que:

\(MH(x, y) = \frac{2xy}{x+y}\)

y tenemos que:

\(MH (a,4) = \frac{2*a*4}{a+4} = \frac{8*a}{a+4} = 6\)

Con esto podemos encontrar el valor de a:

8*a/(a+ 4) = 6

8*a = 6*(a + 4) = 6*a + 24

8a - 6a = 24

2a = 24

a = 24/2 = 12.

Tambien sabemos que:

\(MH(8,b) = \frac{2*8*b}{8+b} =\frac{16*b}{8+b} = 12\)

Y de ahí podemos despejar b:

(16*b)/(b + 8) = 12

16*b = 12*(b + 8) = 12b + 96

16b - 12b = 96

4b = 96

b = 96/4 = 24

Entonces tenemos a = 12 y b = 24, y el MH de a y b es:

MH(12,24) = 2*12*24/(12 + 24) = 24*24/36 = 16

Based on my analysis of the current geopolitical landscape, the probability of the United States and China going to war this century is difficult to predict with certainty.

However, it is essential to understand that a military conflict between two of the world's superpowers would have catastrophic consequences not only for both countries but for the entire global community.

The probability of war between the US and China cannot be entirely ruled out due to several factors, including historical tensions, economic competition, territorial disputes, and geopolitical rivalry. Both countries have shown assertiveness in their foreign policies, and their interests often clash.

However, it is crucial to note that a military confrontation would have significant risks and costs for both countries, as well as the global economy and security. Therefore, it is in the best interest of both countries to avoid any escalation of tensions and to engage in constructive dialogue to address their differences. Diplomacy and cooperation are vital tools to prevent conflicts and build a stable and peaceful world order.

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(a) The general solution of the equation y^(4) – 6y^m + 13y^n = 0 depends on the values of m and n.

(b) The general solution of the equation y^m + 2y^n + 4y' + 8y = 0 also depends on the values of m and n.

(c) The general solution of the equation y^(5) – y^(4) = 0 is y = 0 or y = 1.

(a) To find the general solution of y^(4) – 6y^m + 13y^n = 0, we can assume a solution of the form y = e^(rt). Substituting this into the equation, we get the characteristic equation r^4 - 6r^m + 13r^n = 0. This equation has four roots, which may be real or complex depending on the values of m and n.

The general solution is then a linear combination of exponentials of the form y = c1e^(r1t) + c2e^(r2t) + c3e^(r3t) + c4e^(r4t), where c1, c2, c3, and c4 are constants determined by initial or boundary conditions.

(b) To solve the equation y^m + 2y^n + 4y' + 8y = 0, we can assume a solution of the form y = e^(rt). Substituting this into the equation, we get the characteristic equation r^2 + 4r + (2r^m + 8) = 0.

This equation has two roots, which may be real or complex depending on the values of m and n. The general solution is then a linear combination of exponentials of the form y = c1e^(r1t) + c2e^(r2t), where c1 and c2 are constants determined by initial or boundary conditions.

(c) To solve the equation y^(5) – y^(4) = 0, we can factor out y^4 to get y^4(y-1) = 0. Therefore, the solutions are y = 0 or y = 1. These are the only solutions since a polynomial of degree n has at most n roots.

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Answer:

x=-10 x=-11 x=-12

Step-by-step explanation:

-10*-2=20 since -10*2=-20 and a negative number multiplied by a negative number is positive. 20>10 is true. -11*-2 is equal to 22, 22>10, -12*-2=24, 24>10.

Answer:

24342.

Step-by-step explanation:

(1 +152 + 5)² + 12 ÷ 2

= 156^2 + 12 / 2

= 24336 + 6

= 24342.

The possible solution to the equation given is 3 and -1/3

Given the logarithmic expression given as:

log,(8x) – log,(x^2 - 1) = log, 3

Applying the product and quotient rule will give:

log(8x/x^2-1) = log3

8x/x^2-1 = 3

Cross multiply

8x = 3x^2 - 3

3x^2 - 8x - 3 = 0

3x^2 -9x + x - 3 = 0

3x(x-3)+1(x-3)

x - 3 = 0 and 3x = -1

x = 3 and -1/3

Hence the possible solution to the equation given is 3 and -1/3

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Based on the information in the table, the graph shows a diagonal going down from left to right.

To graph in a Cartesian plane we must be clear that it is a tool to graph the coordinates. The first number of the coordinate corresponds to the x-axis (horizontal) and the second number corresponds to the y-coordinate (vertical). According to the above, we can infer the graph would look like this (image attached). This graph corresponds to a function because it is a constant, in this case it is a diagonal line that descends from left to right.

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Answer:

wheres the table

Step-by-step explanation:

I dont see a picture so I cant help u sorry

the equation for line will be y = (5/4)x + 13.

What is the slope of line?

Determine the slope of the line using the slope formula given two line-side coordinates. The formula m=(y2-y1)/ describes the slope as the proportion of the change in y values to the change in x values (x2-x1). The coordinates of the first point represent x1 and y1 respectively. At x2, y2, and their respective locations are the second points. It doesn't matter which point you choose to rank as the first and which as the second.

Knowing that formula two, which is used to determine the slope of a line connecting two points, is

The line passes through (-4, 8) so,

8 = (5/4)(-4) + c

8 = -5 + c

c = 13

c = 13

The equation of a line is y = (5/4)x + 13

Hence the equation for line will be y = (5/4)x + 13.

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The volume of the region bounded by the sphere ρ=34cosϕ and the hemisphere ρ=17, z ≥ 0 is 14148.42 units³.

To find the volume of the region bounded by the sphere ρ=34cosϕ and the hemisphere ρ=17, z ≥ 0:

\(\begin{aligned}34 \cos \phi &=17 \\\cos \phi &=\frac{1}{2} \\\phi &=\frac{\pi}{3}\end{aligned}\)

There are no restrictions on the other angle so \(\theta \in[0,2 \pi]\), and we get:

\(\begin{aligned}V &=\int_{0}^{2 \pi} \int_{0}^{\pi / 3} \int_{17}^{34 \cos \phi} \rho^{2} \sin \phi d \rho d \phi d \theta \\&=\int_{0}^{2 \pi} d \theta \int_{0}^{\pi / 3} \sin \phi\left[\frac{1}{3} \rho^{3}\right]_{17}^{34 \cos \phi} d \phi \\&=(2 \pi) \frac{1}{3} \int_{0}^{\pi / 3} \sin \phi\left(34^{3} \cos ^{3} \phi-17^{3}\right) d \phi \\&=\frac{2 \pi}{3} \int_{0}^{\pi / 3} 34^{3} \cos ^{3} \phi \sin \phi-17^{3} \sin \phi d \phi\end{aligned}\)

   \(\begin{aligned}&=\frac{2 \pi}{3}\left[-\frac{34^{3}}{4} \cos ^{4} \phi+17^{3} \cos \phi\right]_{0}^{\pi / 3} \\&=\frac{2 \pi}{3}\left[-\frac{34^{3}}{4}\left(\left(\frac{1}{2}\right)^{4}-1\right)+17^{3}\left(\frac{1}{2}-1\right)\right] \\&=\frac{54043 \pi}{12} \\&\approx 14148.42\end{aligned}\)

Therefore, the volume of the region bounded by the sphere ρ=34cosϕ and the hemisphere ρ=17, z ≥ 0 is 14148.42 units³.

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The correct question is given below:

Use spherical coordinates to find the volume of the region bounded by the sphere ρ=34cosϕ and the hemisphere ρ=17, z ≥ 0.

Differential equations are mathematical equations that involve derivatives. They describe the relationship between an unknown function and its derivatives, helping to model and understand dynamic systems in physics, engineering, and other scientific disciplines.

To find the general solution of the given system of differential equations by decoupling, we first need to rewrite the given equation in a more standard form. The equation provided is: x1' = x1 * x.

Step 1: Rewrite the equation
x1' = x1 * x can be rewritten as dx1/dt = x1 * x, where x1 is a function of time t.

Step 2: Separate variables
Now, we separate variables by dividing both sides of the equation by x1, and then multiplying both sides by dt:
(dx1/x1) = x * dt

Step 3: Integrate both sides
Now we can integrate both sides of the equation with respect to their respective variables:

∫(dx1/x1) = ∫(x * dt)

After integrating, we get:
ln|x1| = (1/2) * x^2 + C₁, where C₁ is the constant of integration.

Step 4: Solve for x1
To find the general solution for x1, we need to exponentiate both sides of the equation to eliminate the natural logarithm:

x1(t) = Ce^(1/2 * x^2), where C = e^(C₁) is a new constant.

So, the general solution of the given system of differential equations is x1(t) = Ce^(1/2 * x^2), where C is an arbitrary constant.

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Answer:

4.7 inches

Step-by-step explanation:

I believe the answer is 4.7 inches. Use pi * diameter to find the circumference, then multiply the circumference by 1/10 to find the outer perimeter of frosting for one slice of cake. Round that number to the nearest 10th.

Answer:

Using front estimation, the cost of all the items is $450 and it will take 9 months to save enough

Step-by-step explanation:

Here, firstly we want to use front-end estimation to estimate the cost of all the items.

So we want to use front end estimation to add;

325 + 53 + 33 + 71

Thus; 325 becomes 300, 53 becomes 50, 33 becomes 30

while 71 becomes 70

So the estimated total will be;

300 + 50 + 30 + 70 = 450

Now , since he saves $50 per month, the number of months it will take = 450/50 = 9 months

Answer:

$336

Step-by-step explanation:

The slope is (277-100)/(3-0) = 59.

So, since the cost is $100 when t=0, C=59t+100.

After 4 months, the cost is 59(4)+100 = $336.

The sampling technique being used in this scenario is known as Cluster Sampling.

Cluster Sampling involves dividing a population into clusters or groups and selecting entire clusters at random. In this case, the 30 classes at the university that are in session at 1:00 pm on Tuesdays represent the clusters. The survey is administered to every student in five randomly selected classes, which means that the classes are the clusters being sampled.

By randomly selecting five classes and surveying all the students within those classes, the researchers are using Cluster Sampling. It is important to note that Cluster Sampling is different from Simple Random Sampling, where individual elements are selected randomly from the population without grouping them into clusters.

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A measurable part of a line that consists of two points, called endpoints, and all of the points between them are called Line sigments.

Geometry is a branch of mathematics that deals with how objects can be expressed as relationships of points, lines, planes, surfaces, and dimensions. When we draw lines in geometry, we use an arrow at each end to show that it expands infinitely. A line is a path between two points that can be measured. Since line segments have a defined length, they can form the sides of any polygon. The figure below shows the line AB, where the length of the line AB is related to the distance between its endpoints, A and B. The symbol for the line is named after its two endpoints, e.g.

\( \bar{AB}\)

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The area of the teacher workroom is 64 feet squared

Answer:

slope = 2 , y- intercept = -8

Step-by-step explanation:

the equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

given

- 4x + 2y = - 16 ( add 4x to both sides )

2y = 4x - 16 ( divide both sides by 2 )

y = 2x - 8 ← in slope- intercept form

with slope m = 2 and y- intercept c = - 8

Answer:

the slope is 2 and y-intercept is (0,-8)

Step-by-step explanation:

Step 1: is to subtract 2y from both sides, -4x+2y-2y=-16-2y

Step 2: Simplify, -4= -16-2y

Step 3: Divide both sides by -4, -4x/4=-16/-4-2y/-4

4x/4=x=1

Answer:

ok put into y=mx+b form

2y=60x+120

y=30x+60

so we know 60 is the y-intercept so he is not correct

if u want more:

-60x+2y-120=0 add 60x

2y-120=60x add 120

2y=60x+120 divide by 2

y=30x+60

Hope this helps plz hit the crown :D

Answer:

B. $20.00

Step-by-step explanation:

The domain and range of F is F={(x, y) Ix+y=10] is: 3. Domain: All Real Numbers Range: All Real Numbers

The given set F={(x, y) | x+y=10} represents a linear equation where the sum of x and y is always equal to 10.

To determine the domain and range of F, we need to consider the

possible values of x and y that satisfy the equation.

Domain: The domain represents the set of all possible values for the independent variable, which in this case is x. Since there are no restrictions on the value of x, the domain is All Real Numbers.

Range: The range represents the set of all possible values for the dependent variable, which in this case is y. By rearranging the equation x+y=10, we can solve for y to get y=10-x. Since x can take any real value, y can also take any real value. Therefore, the range is also All Real Numbers.

The correct answer is: 3. Domain: All Real Numbers Range: All Real Numbers

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Answer:

6 12 36

Step-by-step explanation:

im not sure -_- ....

Answer:

1,2,3

Step-by-step explanation:

Take the prime factorization of 6, that will be 1,2,3. Those will be the answers for any multiple of 6. Example:18-->multiple of 1,2,3,6,9,18.

The straw is placed diagonally in the rectangular prism, therefore, the length of the straw is √109 inches

Diagonal of a rectangular prism = √(l² + w² + h²)

Where,

Therefore,

l = 6 inches

w = 3 inches

h = 8 inches

diagonal = √(6² + 3² + 8²)

diagonal = √36 + 9 + 64

diagonal = √109 inches

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Answer:

D is the correct ans

Step-by-step explanation:

Because

Answer:

∠G

Step-by-step explanation:

The tangent of an angle is given by the following trigonometric ratio;

\(tan\angle X = \dfrac{Opposite \ leg \ length}{Adjacent \ leg \ length}\)

From the question, we have;

tan ∠K = 6/8

ΔGIH is similar to ΔKJL

By observation of the length, we have;

Segment HI and segment JL are corresponding segments

Segment KL and segment HG are corresponding segments

∴ ∠K and ∠G are corresponding angles

∴ tan∠G = tan∠K = 6/8

The angle whose tangent is 6/8 is ∠G

Answer:

Step-by-step explanation:

3.4.m+2.4.m.m

4m(3+2m)

Answer:

Hello,

\(\boxed{Answer: 75}\)

Step-by-step explanation:

x,y integers, x,y >0 ,x≠y

\(\dfrac{1}{x} +\dfrac{1}{y} =\dfrac{1}{18}\\\\\dfrac{x+y}{xy} =\dfrac{1}{18}\\\\x+y=\dfrac{xy}{18}\\\\x=\dfrac{18y}{y-18}\\x=\dfrac{18y-324 +324}{y-18}\\x=18+\dfrac{324}{y-18}\\\)

\(\dfrac{1}{x} +\dfrac{1}{y} =\dfrac{1}{18}\\\\\dfrac{x+y}{xy} =\dfrac{1}{18}\\\\x+y=\dfrac{xy}{18}\\\\x=\dfrac{18y}{y-18}\\x=\dfrac{18y-324 +324}{y-18}\\x=18+\dfrac{324}{y-18}\\\begin{array}{|c|c|c|c|}y-18&y&x&x+y\\---&---&---&---\\1&19&18+324=342&362\\2&20&18+162=180&200\\3&21&126&147\\4&22&99&121\\6&24&108&132\\12&30&45&75\\18&36&36&72\\\end{array}\\\\\\\boxed{Answer: 75}\\\\\)