I need answers for this questions

Answer:

free points

Step-by-step explanation:

first, third, and fourth options

Answer:

1,3,4

Step-by-step explanation:

e2020

The variable data refers to the list [10, 20, 30]. After the statement data[1] = 5, data evaluates to [10, 5, 30]. A list is one of the compound data types that Python provides. Lists can contain items of different types, but they are usually all the same type.

Lists are mutable sequences, meaning that their elements can be changed after they have been created. Lists can be defined in several ways, including by enclosing a comma-separated sequence of values in square brackets ([ ]).

The elements of a list can be accessed using indexing, with the first element having an index of 0. The second element has an index of 1, the third element has an index of 2, and so on. To change the value of an element in a list, you can use indexing with an assignment statement.

For example, the statement `data[1] = 5` changes the second element of the `data` list to 5. Therefore, after this statement, the `data` list will be `[10, 5, 30]`.

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Answer:

54115 ft

Step-by-step explanation:

We solve the above question using the Trigonometric function of Tangent

The formula is given as:

tan y = opposite/adjacent.

Where y = Angle of depression = 15°

Opposite = 14,500ft

Adjacent = ? = Horizontal distance

Hence,

tan 15 = 14,500/x

Cross Multiply

tan 15 × x = 14,500

x = 14500/tan 15

x = 54114.73671 ft

Approximately = 54115 ft

Horizontal distance = 54115 ft

Answer:

315943/12683

Step-by-step explanation:

Well -9 2/7 * -10 3/7 is 315943/12683

Answer:

540/49

Step-by-step explanation:

Work on the brackets first: (-10✖️3/7)=-30/7

-30/7✖️2/27=-60/49

-60/49✖️-9=540/49

Answer:

y = 54.5x

Step-by-step explanation:

i divided y by x and 54.5 was the answer for all of them

Answer:

B

Step-by-step explanation:

The standard form of a circle equation is:

(x - h)^2 + (y - k)^2 = r^2

where (h, k) is the center and r is the radius.

We can plug in the given values to get:

(x - 1)^2 + (y - 2)^2 = 3^2

This is the sam as option B

Answer:

19/3 (6 1/3)

Step-by-step explanation:

Answer:

\(P(Tamika)=\frac{1}{3} \times\frac{1}{3} =\frac{1}{9} \\P(Jayden)=\frac{1}{3} ;\\P=P(Tamika)\timesP(Jayden)=\frac{1}{9}\times\frac{1}{3}=\frac{1}{27}\)

The place where the company should place the tower should be the circumcenter of the area.

The circumcenter denotes the precise point where the perpendicular bisectors of each triangle's sides intersect.

To ascertain the circumcenter, a systematic procedure is followed. First, the company must draw straight lines connecting the respective centers of the towns, effectively forming the triangular shape. Subsequently, the midpoints of each triangle's sides are determined by measuring and dividing the length of each line segment by two.

These midpoints serve as vital reference points in the subsequent steps. By extending lines perpendicular to the sides at their respective midpoints, the perpendicular bisectors are established. These bisectors intersect at a singular point, which signifies the circumcenter and serves as the optimal placement for the cell tower.

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To approximate the area under the curve of \(f(x) = x^2 + 1\) on the interval [2, 5] using the left-endpoint approximation with n = 3 rectangles, we divide the interval into n subintervals of equal width.

First, we determine the width of each subinterval:

\(\text{Width} = \frac{b - a}{n}\\\\\text{Width} = \frac{5 - 2}{3}\\\\\text{Width} = \frac{3}{3}\\\\\text{Width} = 1\)

Next, we calculate the left endpoint of each subinterval:

Left endpoints: 2, 3, 4

For each subinterval, we evaluate the function at the left endpoint and multiply it by the width to find the area of the rectangle.

Rectangle 1:

Left endpoint: 2

Height: \(f(2) = (2^2 + 1) = 5\)

Area: 5 * 1 = 5

Rectangle 2:

Left endpoint: 3

Height: \(f(3) = (3^2 + 1) = 10\)

Area: 10 * 1 = 10

Rectangle 3:

Left endpoint: 4

Height: \(f(4) = (4^2 + 1) = 17\)

Area: 17 * 1 = 17

Finally, we sum up the areas of all the rectangles to get the total approximate area:

Total approximate area = Area of Rectangle 1 + Area of Rectangle 2 + Area of Rectangle 3

Total approximate area = 5 + 10 + 17

Total approximate area = 32

Therefore, the approximate area under the curve of \(f(x) = x^2 + 1\) on the interval [2, 5] using the left-endpoint approximation with n = 3 rectangles is 32 square units.

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Answer:

On a coordinate plane, a straight line crosses the y-axis at (0, 0)

Step-by-step explanation:

Required

Which represents a proportion

For a graph to represent a proportion, the line of the graph must pass through the origin (i.e. it must pass through (0,0))

From the list of options, only option (a) passes through (0,0).

Other options (b - d) pass through points other than the origin.

Hence, (a) is correct

The value of x is 7/3, which can be rounded to two decimal places as approximately 2.33.

To solve the equation 2x + 8 + 4x = 22, we need to combine like terms and isolate the variable x.

Combining like terms, we have:

6x + 8 = 22

Next, we want to isolate the term with x by subtracting 8 from both sides of the equation:

6x + 8 - 8 = 22 - 8

6x = 14

To solve for x, we divide both sides of the equation by 6:

(6x) / 6 = 14 / 6

x = 14/6

Simplifying the fraction 14/6, we get:

x = 7/3

Therefore, the value of x is 7/3, which can be rounded to two decimal places as approximately 2.33.

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Answer:

------------------------

Each triangle face has height of 7 ft and base of 0.6 ft and the base of the pyramid is the square with side of 0.6 ft.

Total surface area includes a square base and four triangular faces and the measure of it is:

The matching choice is B.

It takes a machine at a seafood company 20 seconds to clean 3 pounds of shrimp. The rate of the machine is 0.15 pound per second

An equation is an expression that shows the relationship between two numbers and variables.

An independent variable is a variable that does not depend on any other variable for its value whereas a dependent variable is a variable that depend on any other variable for its value.

It takes a machine at a seafood company 20 seconds to clean 3 pounds of shrimp. Hence:

Rate of the machine = 3 pounds / 20 seconds = 0.15 pound per second

It takes a machine at a seafood company 20 seconds to clean 3 pounds of shrimp. The rate of the machine is 0.15 pound per second

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Thomas can pack the items into a maximum of 20 bags, with each bag containing 24 items after calculated with greatest common divisor.

To find the maximum number of bags Thomas can pack, we need to find the greatest common divisor (GCD) of 120, 168, and 192. The GCD will represent the maximum number of items that can be packed into each bag.

To find the GCD, we can use the Euclidean algorithm. First, we find the GCD of 120 and 168:

168 = 1 * 120 + 48

120 = 2 * 48 + 24

48 = 2 * 24 + 0

Therefore, the GCD of 120 and 168 is 24.

Next, we find the GCD of 24 and 192:192 = 8 * 24 + 0

Therefore, the GCD of 120, 168, and 192 is 24.

So, Thomas can pack 24 items into each bag. To find the maximum number of bags he can get, we divide the total number of items by 24:

Total number of items = 120 + 168 + 192 = 480

Number of bags = 480 / 24 = 20

Therefore, Thomas can get a maximum of 20 bags.

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Answer:

Yellow

Step-by-step explanation:

Answer:

Step-by-step explanation:

If Frederick can swim 25 yards in 23 seconds, then:

25 yards = 23 seconds

To determine how long it will take him to swim 175yards, we will say:

175 yards = x

Equating both expression:

25 yards = 23 seconds

175 yards = x

Cross multiply

25x = 23*175

25x = 4025

Divide both sides by 25

25x/25 = 4025/25

x = 161 secs

This means that it will take Frederick 161 secs to swim 175 yards

Answer:

here's your solution

=> both figure is similar and they are square

=> perimeter of square = 4*side

=> perimeter of. small square = 4*20 = 80in

=> perimeter of larger square = 4*24 = 96

=> now ratio of perimeter = 80/96

=>. 5/6

=> area of square = side*side

=> area of small square = 20*20 = 400in.sq

=> area of larger square= 24*24 = 576in.sq

=> now ratio of area. = 400/576

=> 25/36

hope it helps

The answer is:

\(\large\textbf{They aren't equivalent.}}\)

In-depth explanation:

To determine the answer to this problem, we will use one of the exponent properties:

\(\sf{x^{-m}=\dfrac{1}{x^m}}\)

And

\(\sf{\dfrac{1}{x^{-m}}=x^m}\)

Now we apply this to the problem.

What is 4⁻³ equal to? Well according to the property, it's equal to:

\(\sf{4^{-3}=\dfrac{1}{4^3}}\)

And this question asks us if 4⁻³ is the same as 1/4⁻3.

Well according to the calculations performed above, they're not equivalent.

Shape C is different from shape A and B.

Here, we are given 3 shapes as shown in the image below.

Let us look at each of the shapes one by one.

Shape A-

The height of shape A is 4

The width of shape A is 5

The ratio of width and height = 5/4

Shape B-

The height of shape B is 10

The width of shape B is 8

The ratio of width and height = 8/10 or 4/5

Shape C-

The height of shape C is 10

The width of shape C is 6

The ratio of width and height = 6/10 or 3/5

Thus, we can see that the ratio of width and height is equal for shape A and B. Thus, C is different.  

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Your question was incomplete. Check for the missing image below.

Answer:

\(\huge{\boxed{\boxed{\tt { ⎆ \ Pythagorean \ Theorem :-}}}} \ \)

\(a {}^{2} + b {}^{2} = c {}^{2} \)

This is the formula for the pythagorean theorem i.e, one leg of a triangle squared plus another leg of a triangle squared equals the hypotenuse squared.

Answer:

\(a^2+b^2=c^2\) is the formula for the Pythagorean Theorem

Step-by-step explanation:.

The Pythagorean Theorem, also referred to as the ‘Pythagoras theorem,’ is arguably the most famous formula in mathematics that defines the relationships between the sides of a right triangle. This mathematical law states that the sum of squares of the lengths of the two short sides of the right triangle is equal to the square of the length of the hypotenuse.

The appropriate limits of integration for finding the area between the functions defined by x = −1 and x = − y^3 − 3y^2 are y = -2 and y = 0.

To find the limits of integration, we need to determine the intersection points of the given functions. Equating x = −1 and x = − y^3 − 3y^2, we get:

−1 = − y^3 − 3y^2

Rearranging and simplifying, we get:

y^3 + 3y^2 - 1 = 0

We can solve this cubic equation to get the three roots, but we are only interested in the real root between y = -2 and y = 0. We can use numerical methods or a graphing calculator to find that the real root is approximately -1.7549.

Therefore, the appropriate limits of integration for finding the area between the given functions are y = -2 and y = 0. The integral to find the area is:

A = ∫^0_-2 [(− y^3 − 3y^2) + 1] dy

Simplifying and evaluating the integral, we get:

A = 49/12.

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Answer: X= -2.1667 Y= 13

The Probability that no person is next to their partner is 104/105.

Probability of an event E represented by P(E) can be defined as (The number of favorable outcomes )/(Total number of outcomes).

Permutations is defined as arrangement of elements/objects in a particular way.

According to the question ,

8 people can be arranged in 8! ways = 40320ways

First let us find the probability that person is next to their partner.

4 couples can be arranged in 4! ways

and the couple itself can be arranged in 2! ways

Since there are 4 couples ,

Number of arrangement = \(4!(2!)^{4}\)

=24x16

=384 ways

Probability that person is next to their partner = \(\frac{384}{40320} =\frac{1}{105}\)

and the probability that no person is next to their partner is \(1-\frac{1}{105} =\frac{104}{105}\).

Therefore , the probability that no person is next to their partner is \(\frac{104}{105}\).

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Answer:

7

Step-by-step explanation:

Step 1:

a + 6 = 3a - 8     Equation

Step 2:

6 = 2a - 8       Subtract a on both sides

Step 3:

14 = 2a      Add 8 on both sides

Step 4:

14 ÷ 2     Divide

Answer:

a = 7

Hope This Helps :)

Using the exponential regression feature of the calculator to find the equation of the regression line, we get that \($$y = 0.8996 e^{1.3759x}.$$\)

Given data, $$\begin{array}{|c|c|} \hline x & y\\ \hline 1 & 2.20\\ 2 & 3.60\\ 3 & 5.90\\ 4 & 9.70\\ 5 & 15.90\\ 6 & 26.00\\ \hline \end{array}.$$

The equation of the form is y = 1 + aebx;

Thus, the required equation is \($$y = 1 + 0.8996 e^{1.3759x}.$$\)

Finally, putting x = 7, we get

\($$y = 1 + 0.8996 e^{1.3759(7)} \approx 156.76.$$\)

Thus, the required equation is\($$y = 1 + 0.8996 e^{1.3759x}.$$\)Finally, putting x = 7, we get

\($$y = 1 + 0.8996 e^{1.3759(7)} \approx 156.76.$$\)

So, the value of y at x = 7 is approximately 156.76.

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The solution x1(t) for the de-coupled RL-RC circuit can be found by solving the differential equation x1'(t) = A11 * x1(t), where A11 is a constant value.

To solve this differential equation, we can use separation of variables.

1. Begin by separating the variables by moving all terms involving x1(t) to one side of the equation and all terms involving t to the other side. This gives us:

x1'(t) / x1(t) = A11

2. Integrate both sides of the equation with respect to t:

∫ (x1'(t) / x1(t)) dt = ∫ A11 dt

3. On the left side, we have the integral of the derivative of x1(t) with respect to t, which is ln|x1(t)|. On the right side, we have A11 * t + C, where C is the constant of integration.

So the equation becomes:

ln|x1(t)| = A11 * t + C

4. To solve for x1(t), we can exponentiate both sides of the equation:

|x1(t)| = exp(A11 * t + C)

5. Taking the absolute value of x1(t) allows for both positive and negative solutions. To remove the absolute value, we consider two cases:

  - If x1(0) > 0, then x1(t) = exp(A11 * t + C)
  - If x1(0) < 0, then x1(t) = -exp(A11 * t + C)

  Here, x1(0) is denoted as x10.

Therefore, the solution x1(t) for the de-coupled RL-RC circuit, starting at t=0, is given by either x1(t) = exp(A11 * t + C) or x1(t) = -exp(A11 * t + C), depending on the initial condition x10.

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Yes, there is a correlation between these measures. The higher the placement exam score, the higher the student's score on their first exam tends to be. For example, students with placement exam scores of 11 and 49 had first exam scores of 27 and 71 respectively, indicating that the higher the placement exam score, the higher the first exam score.

A measure in mathematics is a generalization of the ideas of length, area, and volume. Measures are sometimes referred to as "mass distributions" informally. A measure, in more exact terms, is a function that gives numbers to particular subsets of a given set. This quantity is described as the set's measure.

To measure length or distance, this system employs inches, feet, yards, and miles. Volume or capacity are expressed in fluid ounces, cups, pints, quarts, or gallons. In ounces, pounds, and tons, weight or mass is expressed.

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