Which of these points has the lowest absolute value?
A
-25
B
-13
c.
6
D
19

Answer:

15,000

Step-by-step explanation:

15×1000

Answer:

Look at the solution I gave properly. Not only the answer.

Power series solutions have a minimum radius of convergence of R of 10.0498 around the normal point x = 0 and 10 units around the normal point x=1.

A differential equation in mathematics is an equation that connects the derivatives of one or more unknown functions.

Applications often involve functions that reflect physical quantities, derivatives that depict the rates at which those values change, and a differential equation that establishes a connection between the three.

The given equation: \(\left(x^2-2 x+26\right) y^{\prime \prime}+x y^{\prime}-4 y=0\)

It is necessary to determine the power series solutions' minimal radius of convergence R around the typical points x = 0 and x = 1.

The separation between the ordinary point and the differential equation's singularity is now the minimal radius of convergence.

The polynomial's root, which is connected to the second derivative, is the singularity point.

The singularity points will be determined as follows:

\(\begin{aligned}& x^2-2 x+26=0 \\& x=\frac{-b \pm \sqrt{b^2-4 a c}}{2 a} \\& x=\frac{2 \pm \sqrt{(-2)^2-4 \times 1 \times 26}}{2} \\& x=1 \pm \sqrt{-100} \\& x=1 \pm 10 i\end{aligned}\)

In this case, x1 = 1+10i and x2 = 1-10i are the singularity sites.

The ordinary points at this time are z1 = 0+01 and z2 = 1+0i.

One can compute the minimum radius of convergence using the formula:

\(\begin{aligned}& r_1=\left|z_1-x_1\right| \\& =|0+0 i-1-10 i| \\& =\sqrt{101} \\& =10.0498 \\& r_2=\left|z_2-x_1\right| \\& =\sqrt{100} \\& =10\end{aligned}\)

Therefore, power series solutions have a minimum radius of convergence of R of 10.0498 around the normal point x = 0 and 10 units around the normal point x = 1.

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Answer:

what are you asking the total or what

The type of friction acting on the box is static friction. This is because the box is not moving, and static friction is the force that opposes motion when an object is at rest.

The direction of the friction force is opposite to the direction of the force applied by the boy. This is because friction always acts in the opposite direction to the applied force, to prevent the object from moving.

The free body diagram for the box would include the force of gravity acting downwards (50 kg x 9.8 m/s² = 490 N), the force applied by the boy (20 N at an angle of 30°), and the static friction force acting in the opposite direction to the applied force.

To calculate the amount of friction force, we can use the formula F_friction = F_applied x coefficient of friction. Since the box is not moving, the friction force is equal in magnitude to the applied force. Therefore, F_friction = 20 N.

To calculate the coefficient of friction, we can use the formula coefficient of friction = F_friction / F_normal. The normal force is equal in magnitude to the force of gravity, which is 490 N. Therefore, coefficient of friction = 20 N / 490 N = 0.041.

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The 90% confidence interval for the BMI of all preschoolers is option (d)  (15.49, 17.11)

To calculate the 90% confidence interval for the BMI of all preschoolers, we can use the formula

CI = X ± Z × (σ / sqrt(n))

where X is the sample mean, σ is the sample standard deviation, n is the sample size, and Z is the z-score corresponding to the desired confidence level (in this case, 90%).

We can find the value of Z using a standard normal distribution table or calculator, which gives us a value of 1.645.

Plugging in the values from the problem, we get

CI = 16.3 ± 1.645 × (1.4 / sqrt(10))

CI = 16.3 ± 0.90

So the 90% confidence interval for the BMI of all preschoolers is (15.49, 17.11).

Therefore, the correct option is (d) (15.49, 17.11)

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Answer:

slope = \(-\frac{1}{8}\)

Step-by-step explanation:

Use the slope formula given in the question to solve for the slope. The \(m\) is the variable representing the slope. The \(x_1\) and \(y_1\) values are x and y values of one point. The \(x_2\) and \(y_2\)  are x and y values of another point.

So, use the x and y values of the points given and substitute them in the correct order into the formula:

\(m = \frac{(7)-(9)}{(10)-(-6)}\\m = \frac{7-9}{10+6} \\m = \frac{-2}{16} \\m = -\frac{1}{8}\)

Thus, the slope is \(-\frac{1}{8}\).

In the standard curve for nitrophenol generated for use in this experiment, the nitrophenol concentration is reported on the x - axis.

What is standard curve?

A calibration curve, sometimes referred to as a standard curve, is a common technique used in analytical chemistry to compare an unknown sample to a group of standard samples with known chemical concentrations.

In order to calculate the nitrophenol concentration in mole/ml based on absorbance readings, the standard curve is drawn.

Based on the optical density, or OD410, or absorbance at 410 nm, this standard curve of absorbance is used to calculate the quantity of nitrophenol.

Therefore, the nitrophenol concentration is displayed on the x axis of the standard curve.

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The equation for the transformed logarithm that passes through the points (3,0) and (0,2) can be written as f(x) = -b * log(base a)(x - h) + k, where a, b, h, and k are constants to be determined.

To find the equation for the transformed logarithm, we need to use the given points (3,0) and (0,2) to determine the values of a, b, h, and k. Let's start with the point (3,0). Plugging the x-coordinate (3) into the equation, we have:

0 = -b * log(base a)(3 - h) + k

Next, we'll use the point (0,2) to obtain another equation. Plugging the x-coordinate (0) into the equation, we get:

2 = -b * log(base a)(0 - h) + k

Simplifying these equations, we have a system of equations to solve for a, b, h, and k. However, since the equation involves a logarithm, we need more information to determine the specific values of a, b, h, and k.The transformed logarithm function includes transformations such as vertical stretches/compressions (b), horizontal shifts (h), and vertical shifts (k). Without more specific information about these transformations or the base of the logarithm, it is not possible to determine the equation uniquely.

In general, the equation for a transformed logarithm can be written as f(x) = -b * log(base a)(x - h) + k, where a, b, h, and k are constants determined by the specific transformations applied to the logarithm function. It's important to have additional information or instructions to determine the values of a, b, h, and k and provide an equation that accurately represents the given transformed logarithm.

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The centroid of the region bounded by the curves y = sin x and y = cos x is (π/4, 0).

The given curves are y = sin x and y = cos x. The graph of these curves is shown below: Region bounded by the curves: y = sin xy = cos x

To find the centroid of the region bounded by the curves y = sin x and y = cos x, we need to first find the equation of the line of symmetry of this region. Since the curves are symmetrical with respect to the line x = π/4, this line of symmetry is given by x = π/4.

The centroid of the region bounded by the curves is the point of intersection of the lines x = π/4 and y = (1/2π) ∫sin x - cos x dx.

Since we have the bounds of the integral as

π/4 and 5π/4, the integral becomes: (1/2π) ∫sin x - cos x dx = (1/2π) [(-cos x - sin x)|π/4^5π/4](1/2π) [(-cos 5π/4 - sin 5π/4) - (-cos π/4 - sin π/4)] = (1/2π) [(-(-1)/√2 - (-1)/√2) - (1/√2 - 1/√2)] = (1/2π) (0) = 0.

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Answer: The answer is 12

Step-by-step explanation:

c(b + a ) – a

2(3+6)-6

6+12-6

12

Dividing by a fraction means the same as multiplying by its reciprocal.

In other words, change the division sign to multiplication

and flip or take the reciprocal of the second fraction.

So we can rewrite 2/13 ÷ 1/6 as 2/13 × 6/1.

Now multiply across the numerators and denominators to get 12/13.

Answer:

Step-by-step explanation:

KCF = Keep Change Flip

2/3 divided by 1/6

K        C             F

2/3 you keep

divided you change it to Multiplication X

And Flip 1/6 to 6/1

then Multiply

2/3 x 6/1 =

12/3 = 4

Answer:

She has 3/4 and each batch requires 1/8. 3/4 can be turned into 6/8 she can make 6 batches.

Answer: (1,2)

Step-by-step explanation:

1)

x+y=3

y=-x+3

x | 0 | 3 |

y | 3 | 0 |

2)

3x+y=5

y=-3x+5

x | 0 | 2 |

y | 5 | -1 |

On solving the provided question, we can say that - the area of the provided circle is A = \(113.04 cm^2\)

Every point in the plane that is a certain distance away from a certain point forms a circle (center). It is, thus, a curve formed by points moving in the plane at a fixed distance from a point. At every angle, it is also rotationally symmetric about the center. A circle is a closed two-dimensional object where every pair of points in the plane are equally spaced out from the "center." A line that goes through the circle creates a specular symmetry line. At every angle, it is also rotationally symmetric about the center.

here,

radius, r = 6 cm

Area of circle = \(\pi X r^2 = 3.14 X 6 X 6 \\\)

A = \(113.04 cm^2\)

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Therefore, the factored form of the expression is:(2x - 1)(8x + 5)

Factor pairs of80 and 1, 40 and 2, 20 and 5, 16 and 8, and 10

In question 8 This requirement is met by the pair -8 and 24.

In question9 16x² - 8x + 24x - 5

7. We can list all the pairs of numbers that multiply to -80 in order to identify all the factor pairs for this number. These are a few of the pairs:

80 and 1, 40 and 2, 20 and 5, 16 and 8, and 10

The biggest integer that divides each of two or more numbers without producing a remainder is known as the greatest common factor (GCF).

For instance, 6 is the highest number that divides both 12 and 18 without producing a residual, making it the GCF of 12 and 18.

The highest common factor (HCF) and greatest common divisor (GCD) are other names for the GCF (HCF).

8. We can seek for two values in the list from question 7 that add up to 16 in order to get the factor pair for -80 that adds to the sum of 16. This requirement is met by the pair -8 and 24.

9. Applying the answer to question 8, we can write 16x2 + 16x - 5 in its expanded form as:

16x² - 8x + 24x - 5

The terms can then be categorised as follows:

(16x² - 8x) + (24x - 5) (24x - 5)

When we take the biggest thing in common between each group, we get:8x(2x - 1) + 5(4x - 1) (4x - 1)

10. As a result, grouping can factor the enlarged form of 16x2 + 16x - 5 as follows:

8x(2x - 1) + 5(4x - 1) (4x - 1)

10. Using the enlarged form from answer 9, we may factor the formula 16x2 + 16x - 5 by grouping:

8x(2x - 1) + 5(4x - 1) (4x - 1)

We can factor it out because we can see that the common factor for both terms is (2x - 1):

(2x - 1)(8x + 5)

As a result, the expression's factored form is as follows:

(2x - 1)(8x + 5)

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T(U) is a subspace of W Since V is a subspace of U, the zero vector of V, 0, is in U. As T is linear, \(T(0) = 0_w\) , where \(0_w\)  is the zero vector of W. Therefore, \(0_{w}\) is in T(U).

It can be proved  Since U is a subspace of V, the zero vector of V, 0y, is in U. Since T is linear, \(T(0_{y}) = 0_{w}\) , where \(0_{w}\) is the zero vector of W. So\(0_{w}\)  is in T(U).

To show that T(U) is a subspace of W, we also need to show that T(U) is closed under vector addition and scalar multiplication. Let u1, u2 be vectors in U, and let c be a scalar. Then we have: \(T(u1 + u2) = T(u1) + T(u2)\)  (since T is linear)

\(T(cu1) = cT(u1)\)  (since T is linear)

Since U is a subspace of V, we have \(u1 + u2\) and \(cu1\)  are also in U. Therefore, \(T(u1 + u2)\)  and \(T(cu1)\)  are both in T(U), which shows that T(U) is closed under vector addition and scalar multiplication.

Thus, T(U) is a subspace of W.

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Answer:

34/50 = 68%

14/20 = 70%

answer: the German test

can i get brainliest?

Answer:34/50 = 68%

14/20 = 70%

Step-by-step explanation:mark me as brainest and vote for me plssss

Answer:

$18.67

Step-by-step explanation:

First, convert the percentage to a decimal.

1.45% = 0.0145

Then, multiply the gross pay by the decimal.

$1287.50 × 0.0145 = $18.67

The Social Security Tax will be $18.67.

The `get_user_choice()` function prompts the user to select an option from a provided list, ensuring that only valid choices are accepted before returning the selected option.



The `get_user_choice()` function is designed to obtain user input by asking them to select an option from a provided list of strings. It operates using a while loop that continues until a valid choice is entered. Within the loop, the function prompts the user for their choice using the `input()` function and stores it in the `user_choice` variable.

The function then checks if the `user_choice` exists in the `options` list using the `in` operator. If the choice is found in the list, the function returns the `user_choice`. Otherwise, it informs the user that their input is invalid and requests them to try again. The loop continues until a valid choice is entered by the user, ensuring that the function returns a valid option from the provided list.

This implementation allows for flexible usage by accepting any list of options. The user can select from the options provided, and if an invalid choice is entered, the program will continue to prompt until a valid option is chosen. This ensures that the user's selection is validated, providing a robust and user-friendly way to obtain input within the specified options.

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The correct answer is option (c). The graph of the quadratic function y = \(-x^2 - 10x + 1\) opens downward.

In a quadratic function in the form y = \(ax^2 + bx + c\), the coefficient 'a' determines the direction of the parabola.

If 'a' is positive, the parabola opens upward, and if 'a' is negative, the parabola opens downward.

In the given function y = \(-x^2 - 10x + 1,\) the coefficient of the \(x^{2}\) term is -1, which is negative. Therefore, option (c) is correct, stating that the parabola opens downward.

The negative value of 'a' causes the quadratic term to have a negative coefficient, leading to a concave shape that opens downward. This means that the vertex of the parabola represents the maximum point on the graph.

By determining the sign of 'a', we can quickly determine the direction in which the graph of a quadratic function opens. In this case, since 'a' is negative, the parabola opens downward.

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Given:

1/9 and 2/15

we are asked to find the least common denominator and also express each fraction using least common denominator.

The common denominator of 9 and 15.

The least common denominator of 9 and 15 is 45

We multiply 5 by 9 and 3 by 15

We multiply 1 by 5 and 2 by 3

5 x 1, 2 x 3

5 x 9 3 x 15

5/45, 6/45

Therefore, the correct option is the second option, which is 5/45, 6/45

Option A is the correct answer as it correctly identifies the roles of the two boldface portions.

The two boldface portions in the argument play different roles. The first boldface portion identifies the conclusion of the argument, while the second boldface portion provides support for that conclusion.

The argument aims to prove that for a given level of output, Delta's operation now causes less fossil fuel to be consumed than it did formerly.

The first boldface portion clearly states the conclusion of the argument, while the second boldface portion provides support for this conclusion by explaining that the new technologies powered by electricity consume less fossil fuel than the older technologies.

Therefore, option A is the correct answer as it correctly identifies the roles of the two boldface portions.

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In the given scenario, the average current produced within the loop is approximately 2.13 A.

We can begin by computing the change in magnetic flux across the loop as it expands to determine the average current generated within the loop.

The following equation provides the magnetic flux across a loop:

Φ = B * A * cos(θ)

ΔΦ = B * ΔA

ΔA = A₂ - A₁ = π * (1.00 m)² - π * (0.40 m)² = π * (1.00² - 0.40²) = π * (1.00 + 0.40)(1.00 - 0.40) = π * (1.40)(0.60) = 0.84π m²

So,

ΔΦ = B * ΔA = (24 mT) * (0.84π m²) = 20.25π m²·T

emf = ΔΦ / Δt = (20.25π m²·T) / (1.0 s) = 20.25π V

As:

emf = I * R

So, again

I = emf / R = (20.25π V) / (30 Ω) ≈ 2.13 A

Thus, the average current produced within the loop is approximately 2.13 A.

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The sum of the exterior angle of the pentagon is 360 degrees.

The polygon above is a pentagon. A pentagon is a polygon with 5 sides.

If the side of a polygon is extended, the angle formed outside the polygon is the exterior angle. The sum of the exterior angles of a polygon is 360°.

Therefore, the sum of the measure of the exterior angles of the pentagon as shown is 360 degrees.

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Answer:

108

Step-by-step explanation:

150x0.72=108

Step-by-step explanation:

72% of 150

=> (72/100)×150

=> 10800/100 [ Because, 72×150=10800 ]

=> 108

Thus, 72% of 150 is 108.

Hope this helps you.