please everyone mark me as brainlest

Answer:

Step-by-step explanation:

Q = F(K,L) = 3K+2L.

The equation that describes the simple harmonic motion of the particle is:

x = 7 * sin(2t + φ)

The equation that describes the simple harmonic motion of a particle moving uniformly around a circle can be represented as:

x = A * sin(ωt + φ)

In this equation:

x represents the displacement of the particle at time t.

A represents the amplitude of the motion.

ω represents the angular frequency or angular speed of the motion.

t represents time.

φ represents the phase constant.

In the given scenario, the particle is moving uniformly around a circle of radius 7 units, with an angular speed of 2 radians per second. In circular motion, the displacement can be represented by the arc length along the circumference of the circle.

Since the angular speed is 2 radians per second, the angular frequency (ω) is also 2 radians per second.

Since the particle is moving uniformly, the amplitude of the motion (A) is equal to the radius of the circle, which is 7 units.

The phase constant (φ) determines the initial position of the particle at t = 0.

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The value of the exponent (2/5)^3 is \(\frac{8}{125}\)

In the above question, it is given that

(2/5)^3

The number of times a number has been multiplied by itself is referred to as an exponent. For instance, the expression 2 to the third (written as 2^3) signifies 2 x 2 x 2 = 8.

We need to solve it and then find the value of the exponent

(2/5)^3

= \(\frac{2}{5}\) x \(\frac{2}{5}\) x \(\frac{2}{5}\)

= \(\frac{2 . 2. 2}{5 . 5 . 5}\)

= \(\frac{8}{125}\)

Therefore the value of the exponent (2/5)^3 is \(\frac{8}{125}\)

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Answer:

e

Step-by-step explanation:

Given: A function F(x)=2x+3 is given.

Find: inverse of a function.

Explanation:

Final answer: the required inverse of f(x) is

Answer:

The answer is

Step-by-step explanation:

The distance between two points can be found by using the formula

\(d = \sqrt{ ({x1 - x2})^{2} + ({y1 - y2})^{2} } \\ \)

where

(x1 , y1) and (x2 , y2) are the points

From the question the points are

(3,-12) and (3,-8)

The distance between them is

\( |EF| = \sqrt{( {3 - 3})^{2} + ({ - 12 + 8})^{2} } \\ = \sqrt{ {0}^{2} + ({ - 4})^{2} } \\ = \sqrt{16} \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \)

We have the final answer as

Hope this helps you

Answer: 4

Step-by-step explanation: 8-12=4

Answer:

7

-by-step explanation:

none needed just do it in your head like 21 devided by 3=7

Answer:

62%

Step-by-step explanation:

1040-110-145-139=646

646/1040=62%

The correct choice is C. It is a known theorem that if A is invertible, then A⁻¹ must also be invertible. According to the Invertible Matrix Theorem, if a matrix is invertible, its columns form a linearly independent set. Therefore, the columns of A⁻¹ are linearly independent.

When a matrix A is invertible, it means that there exists a matrix A⁻¹ (A inverse) such that A⁻¹A = AA⁻¹ = I, where I is the identity matrix. This implies that A⁻¹ undoes the effect of A, and vice versa.

To understand why the columns of A⁻¹ are linearly independent, we can consider the properties of matrix inverses. If the columns of A were linearly dependent, it would imply that there is a non-trivial linear combination of the columns that equals zero. However, applying the inverse A⁻¹ to this equation would yield A⁻¹(0) = 0, which contradicts the property of the identity matrix.

Therefore, since A is invertible, its columns are linearly independent. Consequently, the inverse matrix A⁻¹ will also have linearly independent columns, ensuring that the columns of A⁻¹ are linearly independent. So, the correct answer is C.

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--The given question is incomplete, the complete question is given below " If A is invertible, then the columns of A⁻¹are linearly independent. Explain why. Select the correct choice below.

A. The columns of A⁻¹ are linearly independent because A is a square matrix, and according to the Invertible Matrix Theorem, if a matrix is square, it is invertible and its columns are linearly independent.

B. If A is invertible, then the rows of A are linearly independent, which implies that the columns of A⁻¹ are linearly independent.

C, It is a known theorem that if A is invertible then A⁻¹ must also be invertible. According to the Invertible Matrix Theorem, if a matrix is invertible its columns form a linearly independent set. Therefore, the columns of A⁻¹ are linearly independent.

D. According to the Invertible Matrix Theorem, if a matrix is invertible its columns form a linearly dependent set. When the columns of a matrix are linearly dependent, then the columns of the inverse of that matrix are linearly independent. Therefore, the columns of A are linearly independent. "--

if 40 makes him 30 mins late and 60 makes him 30 mins early then it only would make since that in between both 40 and 60 is 50 and that would make him go on time

mr. earl e. bird leaves his house for work at exactly 8:00 a.m. every morning

when he averages 40 miles per hour, he arrives at his workplace thirty minutes late.

when he averages 60 miles per hour, he arrives thirty minutes early.

at what average speed, in miles per hour, should mr. bird drive to arrive at his workplace precisely on time?

if 40 makes him 30 mins late and 60 makes him 30 mins early then it only would make since that in between both 40 and 60 is 50 and that would make him go on time

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Answer:

If its from the Ed assignment, it would be D. 120. Though this is a late reply.

The value of the measure of JKL is,

⇒ ∠ JKL = 120°

A triangle is a three sided polygon, which has three vertices and three angles which has the sum 180 degrees.

Given that;

In the triangle JKH is,

∠ JHK = 24°

∠ HJK = 96°

Hence, We can formulate;

⇒ ∠ JKL = ∠ JHK + ∠ HJK

Substitute the given values we get;

⇒ ∠ JKL = 24° + 94°

⇒ ∠ JKL = 120°

Thus, The value of the measure of JKL is,

⇒ ∠ JKL = 120°

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Answer:

the answer isnt 60 because i got that question wrong its 50

Step-by-step explanation:

Based on the calculations, the sample standard deviation is equal to 4.

A z-value is also referred to as a z-score or standard score and it can be defined as a measure of the distance between a raw score and the mean, when standard deviation units are used.

In Statistics, z-values can either be positive or negative and it can be calculated by using this formula:

\(Z=\frac{\bar x\;-\;u}{\delta}\)

Where:

In Statistics, the standard deviation of a data sample is the square root of the variance and as such, this given by:

Note: Variance, δ² = 16

Taking the square root of the variance, we have:

Standard deviation, δ = √16

Standard deviation, δ = 4.

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Complete Question:

A sample of n=225 scores has \(\bar x\) = 103 and δ² = 16. What is the sample standard deviation?

Answer:

16 hours and 30 minutes OR 16.5h

Step-by-step explanation:

3 hours: 118km
?            : 650km

650/118 = 5.508474576
5.508474576 rounded to 1.d.p = 5.5
5.5 * 3 = 16.5

3 hours : 118km
16.5 hours : 650km

The blank space in the statement is to be filled with the term that defines the prediction about how the levels of one independent variable will combine with another independent variable to impact the dependent variable in a way that extends beyond the sum of the two separate main effects.

Effect is a prediction about how the levels of one independent variable will combine with another independent variable to impact the dependent variable in a way that extends beyond the sum of the two separate main effects. Interaction effect refers to the difference in effect when two or more variables or factors are combined, and the combined effect is different from the sum of the effects when the variables or factors are considered separately.

For example, if the effect of a drug A on disease X is 20% and the effect of a drug B on disease X is 30%, the interaction effect of drugs A and B should be greater than 50%. Therefore, it is expected that the interaction effect of drugs A and B on disease X will be greater than 50%.

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The circumference of the circle is 12.56 km

From the question, we have the following parameters that can be used in our computation:

Shape = Circle

Radius = 2 km

The circumference of a circle is the perimeter of the circle

i.e. the sum of the units of the arc that surrounds the circle

The circumference equation is represented as

Circumference = 2πr

Substitute the known values in the above equation, so, we have the following representation

Circumference = 2π * 2 km

Evaluate the products in the equation

So, we have

Circumference = 4π km

Substitute π = 3.14

So, we have

Circumference = 4 * 3.14 km

Evaluate

Circumference = 12.56 km

Hence, the circumference is 12.56

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Answer:

Answer:

A: (1,3)

A': (1,-3)

---

B: (5,1)

B': (5,-1)

---

C: (-2,2)

C': (-2,-2)

---

D: (-5,4)

D': (-5,-4)

The reflection of the given points over the x-axis is:

(-5, -4), (-2, -2), (1, -3), (5, -1)

By using graphs with curves and lines, coordinate geometry (also known as the analytic geometry) explains how geometry and algebra are related.

As per the given data:

We are given a graph, and we have to find the reflection of the points in the graph over the y-axis.

From the graph given, the points are as as follows:

Let's assume the points as A, B, C and D

A = (-5, 4)

B = (-2, 2)

C = (1, 3)

D = (5, 1)

The reflection over the x-axis are as follows:

A' = (-5, -4)

B' = (-2, -2)

C' = (1, -3)

D' = (5, -1)

Hence, the reflection of the given points over the x-axis is:

(-5, -4), (-2, -2), (1, -3), (5, -1)

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Answer:

The length of BC is 15 units.

Solution,

Hypotenuse(h)=?

perpendicular(p)=12

base(b)=9

Using Pythagoras theorem,

\( {h}^{2} = {p}^{2} + {b}^{2} \\ or \: {h}^{2} = {12}^{2} + {9}^{2} \\ or \: {h}^{2} = 12 \times 12 + 9 \times 9 \\ or \: {h}^{2} = 144 + 81 \\ or \: {h}^{2} = 225 \\ or \: h = \sqrt{225} \\ or \: h = \sqrt{ {15}^{2} } \\ h = 15\)

hope this helps...

Good luck on your assignment....

Answer:

50°

Step-by-step explanation:

The missing angle, <C, is an angle on a straight line with the two other angles who measures are 65% each.

Therefore:

65 + 65 + C = 180° (angles on a straight line)

130 + C = 180

Subtract 130 from both sides

130 + C - 130 = 180 - 130

C = 50°

Answer:

\(f'(x)= \frac{13}{(2x+3)^2}\\\)

Step-by-step explanation:

\(f(x)= \frac{3x-2}{2x+3} \\\)

\(f'(x)=\frac{dy}{dx} = \frac{d}{dx}(\frac{3x-2}{2x+3})\\ f'(x)= \frac{(2x+3)\frac{d}{dx}(3x-2)-(3x-2)\frac{d}{dx}(2x+3) }{(2x+3)^{2} } \\f'(x)= \frac{(2x+3)(3)-(3x-2)(2)}{(2x+3)^{2} } \\\)

\(f'(x)= \frac{6x+9-6x+4}{(2x+3)^{2} }\\ f'(x)= \frac{13}{(2x+3)^2}\\\)

The best big-o bound that any algorithm that multiplies two n-bit numbers can achieve is O(n²). This is because each of the n bits of a number x must be multiplied by each of the n bits of a number y, resulting in a total of n² multiplications.

Even with the most efficient algorithms, there is no way to avoid performing each of these multiplications, leading to a complexity of O(n²). While some algorithms may have lower constant factors or improved optimizations, they cannot fundamentally change the nature of the problem at hand. Therefore, any algorithm that performs the multiplication of two n-bit numbers must have a complexity of at least O(n²).

However, there are certain techniques and optimizations that can be used to improve the efficiency of the algorithm and reduce the constant factors involved. These include techniques like Karatsuba multiplication and Fast Fourier Transform, which can reduce the number of multiplications needed to perform the operation, thereby improving the overall performance of the algorithm.

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Answer:

2x

Step-by-step explanation:

The size of the union according to the given data is 37.

The study of sets, which are collections of objects, is a topic covered by the mathematical field known as set theory. A set is a clearly defined group of unique items, sometimes referred to as its elements or members, in set theory.

Let's use the inclusion-exclusion principle to compute the number of elements in the union of four sets:

First, we add up the sizes of the individual sets:

4 x 15 = 60

Next, we subtract the sizes of the pair-wise intersections:

6 x 5 = 30

We have to multiply by 6 because there are 6 pairs of sets.

Now we need to add back the sizes of the three-way intersections:

4 x 2 = 8

We have to multiply by 4 because there are 4 triples of sets.

Finally, we need to subtract the size of the intersection of all four sets:

-1

Putting it all together, we have:

60 - 30 + 8 - 1 = 37

Therefore, the size of the union is 37.

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Answer: Slope (M) = 7.5

Y-intercept (B) = 0

Step-by-step explanation:

For the slope, the first step is to find your "pretty points" (spots on the slope that hit the corner perfectly, like (0, 0) or (2, 15).

Now, make a triangle with the two points. Count the amount of squares on both. This will give you 3 and 4, but when taking the units into consideration, 15 and 2. The last step is to divide 15 and 2 which gives you 7.5. I would recommend writing both 15/2 and 7.5 but it's up to you.

The Y-intercept is just the spot where the Y is 0, or where the line touches the Y-axis. This is at the origin, where both X and Y are 0, so your Y-intercept is 0.

I'm kinda bad at explaining things in words, so sorry if this makes no sense, but I hope this helps!

Answer:

corresponding

Step-by-step explanation:

corresponding side by a factor 2

Step-by-step explanation:

g(2)=((2)²-2-12)/((2)²-4(2)+4)

=4-2-12/4-8+4

=-10/0=undefined

Answer:

Well the answer is 1/2

Step-by-step explanation:

The best way to show your work is writing it out.