pls help me im begging you i need a B in this class

The total number of permutations satisfying the given conditions is 720 + 120 + 30 + 30 + 48 + 48 = 996.

a. The string ED can be treated as a single object. We can arrange the remaining 6 letters in 6! ways. So, the total number of permutations with ED is 6! = 720.

b. Similar to part (a), the string CDE can be treated as a single object. We can arrange the remaining 5 letters in 5! ways. So, the total number of permutations with CDE is 5! = 120.

c. The strings BA and FGH can be placed in the remaining 6 positions in 6 × 5 = 30 ways.

d. The strings AB, DE, and GH can be placed in the remaining 5 positions in 5! / (2! × 2! × 2!) = 30 ways, using the formula for permutations with repeated objects.

e. The strings CAB and BED can be placed in the remaining 4 positions in 4! ways. So, the total number of permutations with CAB and BED is 2 × 4! = 48.

f. The strings BCA and ABF can be placed in the remaining 4 positions in 4! ways. So, the total number of permutations with BCA and ABF is 2 × 4! = 48.

Therefore, the total number of permutations satisfying the given conditions is 720 + 120 + 30 + 30 + 48 + 48 = 996.

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Answer:

369,000

Step-by-step explanation:

$6000x5.5x12

The probability that a randomly selected member of Congress who favours corporate tax reform is a Democrat is 0.4444, rounded to four decimal places.

To solve this problem, we can use Bayes' theorem. Let D represent the event that the selected member is a Democrat, and R represent the event that the selected member is a Republican, and I represent the event that the selected member is an Independent. Let F represent the event that the selected member favors some type of corporate tax reform. We are given the following probabilities:

P(R) = 0.28, P(D) = 0.50, P(I) = 0.22

P(F|R) = 0.34, P(F|D) = 0.35, P(F|I) = 0.31

We want to find P(D|F), the probability that the selected member is a Democrat given that they favor corporate tax reform. We can use Bayes' theorem:

P(D|F) = P(F|D)P(D) / [P(F|D)P(D) + P(F|R)P(R) + P(F|I)P(I)]

Plugging in the values we know, we get:

P(D|F) = 0.35 * 0.50 / [0.35 * 0.50 + 0.34 * 0.28 + 0.31 * 0.22]

P(D|F) = 0.4444 (rounded to four decimal places)

Therefore, the probability that the selected member is a Democrat given that they favour corporate tax reform is 0.4444.

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To find a recurrence relation for the number of bit strings of length n not containing two consecutive 1s, we simply add the possibilities from cases when the last bit is a 0 and the last bit is a 1.

We are required to find a recurrence relation for the number of bit strings of length n that do not contain two consecutive 1s. To do this, we will consider two cases:

1. The last bit is a 0

2. The last bit is a 1

Case 1: If the last bit is a 0, the bit string of length n can end in any bit string of length n-1 (since adding a 0 at the end does not create consecutive 1s). Let's call the number of such bit strings with no consecutive 1s A_n. So, in this case, there are A_(n-1) possibilities.

Case 2: If the last bit is a 1, the bit string of length n must end in a bit string of length n-2 (since adding a 1 after a 0 does not create consecutive 1s). In this case, there are A_(n-2) possibilities.

To find the total number of bit strings of length n with no consecutive 1s, we simply add the possibilities from both cases. Therefore, the recurrence relation can be defined as:

A_n = A_(n-1) + A_(n-2)

This is the recurrence relation you need to determine the number of bit strings of length n that do not contain two consecutive 1s.

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Because the sine and cosine ratios involve dividing a leg (one of the shorter two sides) by the hypotenuse (the longest side), the ratio values will never be greater than one, because (some number) / (a larger number) is always less than one.

Sine & cosine are trigonometric functions of an angle in mathematics. In the context of a right triangle, the sine and cosine of an acute angle are defined as follows: for the specified angle, the sine is the ratio of the length of the side opposite that angle to the length of the triangle's longest side (the hypotenuse), and the cosine is the ratio of the length of the adjacent leg to that of the hypotenuse.

The sine and cosine functions for an angle θ are simply denoted as sin θ and cos θ. In general, the definitions of sine and cosine can be extended to any real value expressed in terms of the lengths of specific line segments in a unit circle.

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The ratio of the blue fish in the small tank to red fish in the large tank is 10 to 69.

Ratio is the relationship between two quantities.

Let x : y = ratio of the blue fish in the small tank to red fish in the large tank

Hence, there are x blue fish in the small tank for every y red fish in the large tank.

If in each tank, the ratio of red fish to blue fish is 3 to 4, then in each tank, in terms of x and y, the ratio is:

small tank :

red : blue = 3 : 4 = (3/4)x : x

large tank :

red : blue = 3 : 4 = y : (4/3)y

If the ratio of fish in the large tank to fish in the small tank is 46 to 5, then

(y + (4/3)y) : ((3/4)x + x) = 46 : 5

Simplifying the proportion,

(y + (4/3)y) : ((3/4)x + x) = 46 : 5

(7/3)y : (7/4)x = 46 : 5

(161/2)x = (35/3)y

x/y = (35/3) / (161/2)

x/y = x : y = 10 : 69

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The equivalent operation is: b = (a < 5) ? 12 : (d = 30);

The original if/else statement is:

if (a < 5)

   b = 12;

else

   d = 30;

In this statement, the condition (a < 5) is evaluated. If the condition is true (i.e., if the value of a is less than 5), then the statement b = 12; is executed. Otherwise, if the condition is false (i.e., if the value of a is greater than or equal to 5), then the statement d = 30; is executed.

The equivalent operation using the conditional (ternary) operator is:

b = (a < 5) ? 12 : d = 30;

In this statement, the condition (a < 5) is evaluated. If the condition is true, the value 12 is assigned to b. This is indicated by ? in the statement. The : separates the true and false cases.

If the condition is false (i.e., if the value of a is greater than or equal to 5), the value 30 is assigned to d. This is the value assigned after the : in the statement.

The ternary operator statement (a < 5) ? 12 : d = 30; achieves the same outcome as the original if/else statement, providing an alternative way to write the logic based on the condition a < 5.

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The most accurate way to describe a vector field F on R3 is (c) a function F from R3 to R3

A vector field is best described as a function F from R3 to R3. In other words, at each point (x, y, z) in 3D space, the vector field assigns a vector (F1(x, y, z), F2(x, y, z), F3(x, y, z)). The vector field can be visualized by drawing arrows or streamlines to represent the direction and magnitude of the vector at each point in space. A vector field assigns a vector to each point in space, so it requires a function that maps from R3 (a point in space) to another vector in R3.

The vector field is useful in physics, engineering, and mathematics for modeling various physical phenomena, such as fluid flow, electromagnetic fields, and gravitational fields.

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Answer:

Step-by-step explanation:

Given the angle ∠AOB

It is stated that CO is the angle bisector of ∠AOB.

Given that ∠AOB = 30°

As we know that the angle bisector bisects the angle into two equal angles.

Thus, the angle bisector CO bisects the angle ∠AOB into two equal angles, which are:

as

∠AOB = 30°

Thus, the two formed angles i.e m∠AOC and m∠BOC by the angle bisector would be half of the angle bisector as the angle bisector bisects the angle ∠AOB into two equal angles.

Therefore,

Question 1=  $7,620

Question 2 (a) $3,211

Question 2 (b) $9,828

Answer:

19.6 is the correct answer

Answer:

19.6

Step-by-step explanation:

39.2/2

19.6

Answer:

b

Step-by-step explanation:

Since it intercepts y at 4, and x at 2, we use y=ax+b and rearrange to get the equation from y=2x+4 to 2x-y=-4

Answer:

b) 2x - y = -4

Step-by-step explanation:

The y-intercept is the y-coordinate of the point (0, b) where the graph crosses the y-axis. It is also the value of y when x = 0.

The crosses the y-axis at point (0, 4). Therefore, the y-intercept, b = 4.

Next, we need to determine which of the given options matches the graph.  It helps to transform each of them into their slope-intercept form, y = mx +b:

2x - 2x + y = - 2x + 4

y = -2x + 4  (This is not the correct answer because the slope, m = -2. The given graph has a positive slope).

2x - 2x - y = - 2x - 4

-y = -2x - 4

Divide both sides by -1:

\(\frac{-y}{-1} = \frac{-2x - 4}{-1}\)

y = 2x + 4 This is the correct answer because it matches the y-intercept (0, 4), and has a positive slope of 2.

We could easily disregard the last two options because both of their y-intercept is 0.

Therefore, the correct answer is Option b) 2x - y = - 4

Answer:

3.349 • 10²

I moved the decimal over 2 spots to the left.

Answer:

1.4 people out of 10

Step-by-step explanation:

Just divide it by 10

Answer:

only 4 people

Answer:

The answet is C.

Step-by-step explanation:

First, you have to find the angle of ACB using Sine Rule, sinθ = opposite/hypotenuse :

\( \sin(θ ) = \frac{oppo.}{hypo.} \)

\(let \: oppo. = 4 \\ let \: hypo. = 5\)

\( \sin(θ) = \frac{4}{5} \)

\(θ = {\sin( \frac{4}{5} ) }^{ - 1} \)

\(θ = 53.1 \: (1d.p)\)

Given that line AB is parallel to line CD so ∠C = 90°. Next, you have to find the angle of ACD :

\(ACD = 90 - 53.1 = 36.9\)

Lastly, you can find the length of CD using Cosine rule, cosθ = adjacent/hypotenuse :

\( \cos(θ) = \frac{adj.}{hypo.} \)

\(let \: θ = 36.9 \\ let \: adj. = 5 \\ let \: hypo. = CD\)

\( \cos(36.9 ) = \frac{5}{CD} \)

\(CD \cos(36.9) = 5\)

\(CD = \frac{5}{ \cos(36.9) } \)

\(CD = 6.25 units\: (3s.f)\)

Answer: it is dilation

Step-by-step explanation: i took the exam

Answer:dialation

Step-by-step explanation:

Answer:

5 less than or equal to x

Step-by-step explanation:

make x subject

The constant ratio in each representation include the following: r = 3.

In Mathematics, the nth term of a geometric sequence can be calculated by using this mathematical expression:

aₙ = a₁rⁿ⁻¹

Where:

Next, we would determine the common ratio in each representation as follows;

Common ratio, r = a₂/a₁

Common ratio, r = -6/-2 = -18/-6

Common ratio, r = 3.

Based on comparison with the exponential equation, the common ratio is given by;

Common ratio, r = 3.

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Answer:

Step-by-step explanation:

275

The cosine model is y = - 7 + 10 · cos (π · x/30 - π).

The sine model is y = - 7 + 10 · sin (π · x/30 - π/2).

Sinusoidal functions are periodic trascendent expressions which involves trigonometric functions. There are two kinds of sinusoidal functions:

\(y = A \cdot \cos (B\cdot x + C) + D\)     (1)

\(y = A\cdot \sin (B\cdot x + C) + D\)      (2)

Where:

First, we find the amplitude and the midpoint:

A = [3 - (- 17)]/2

A = 10

D = [3 + (- 17)]/2

D = - 7

Now we find the angular phase and the angular frequency for each model:

Cosine model (x, y) = (0, - 17), (x, y) = (30, 3)

- 17 = 10 · cos C - 7     (3)

3 = 10 · cos (30 · B + C) - 7      (4)

By (3):

- 10 = 10 · cos C

cos C = - 1

C = acos(- 1)

C = - π

And by (4):

3 = 10 · cos (30 · B - π) - 7

10 = 10 · cos (30 · B - π)

cos (30 · B - π) = 1

30 · B - π = acos 1

30 · B - π = 0

30 · B = π

B = π/30

The cosine model is y = - 7 + 10 · cos (π · x/30 - π).

Sine model

Obtain the sine model by using trigonometric expressions:

cos θ = sin (θ + π/2)     (5)

By (5):

y = - 7 + 10 · sin (π · x/30 - π + π/2)

y = - 7 + 10 · sin (π · x/30 - π/2)

The sine model is y = - 7 + 10 · sin (π · x/30 - π/2).

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Answer:

1086

Step-by-step explanation:

let 4x=bigger number x=smaller number

4x+x=2715

5x=2715

5x/5=2715/5

x=543 (smaller number)

4x=4(543)=2172 (bigger number)

so

2172+543=2715

then

What is TWICE of the smaller number?

543*2=1086

The number x percent of 52 gives 20. Thus, the number x would be equal to 38.5.

A percentage is a minimum number or ratio that is measured by a fraction of 100.

We need to find the number x percent of 52 which gives 20.

x% of 52 = 20

x/100 × 52 = 20

x = 20 × 100/ 52

x = 0.384615

convert it to a percentage by multiplying by 100

38.4615

round to the nearest tenth

38.5

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Your question was incomplete. Please refer below to find the table in the image.

We need to know about powers and indices to solve the problem. The value of nonzero number raised to the power of 0 is 1.

When a number is raised to a certain power, it can be simplified as the number is multiplied to itself the number of times as the power. For example if we write \(2^{3}\) we mean 2x2x2 which is 8. Similarly in this question we have to find the various powers of 9, the answer to \(9^{4}\) is given, we need to find for the powers 3,2,1, and finally 0.

\(9^{3}\)=9x9x9=729

\(9^{2}\)=9x9=81

\(9^{1}\)=9

\(9^{0}\)=1

When any nonzero number is raised to the power of zero the result is one.

Therefore we found out using the concept of powers and indices that the value of a nonzero number raised to the power of 0 is 1.

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The value of the given line integral ∫cxydx+(x−y)dywhen C consists of line segments from (0,0) to (3,0) and from (3,0) to (4,2) is 23/2.

We can evaluate the line integral by breaking it up into two parts along the two line segments of the curve:

∫cxydx+(x−y)dy = ∫C1xydx+(x−y)dy + ∫C2xydx+(x−y)dy

where C1 is the line segment from (0,0) to (3,0) and C2 is the line segment from (3,0) to (4,2).

Along C1, y = 0, so the integral reduces to:

∫C1xydx+(x−y)dy = ∫₀³ x(0)dx + (x - 0)dy = ∫₀³ xdx = [x²/2]₀³ = 9/2

Along C2, we can parameterize the curve as x = 3t, y = 2t for 0 ≤ t ≤ 1, so dx = 3dt and dy = 2dt. Substituting these into the integral, we get:

∫C2xydx+(x−y)dy = ∫0¹ (3t)(2t)(3dt) + (3t - 2t)(2dt)

= ∫₀¹ (18t² + 2t)dt = [6t³ + t²]₀¹ = 7

Thus, the line integral over the entire curve C is:

I = ∫C1xydx+(x−y)dy + ∫C2xydx+(x−y)dy = 9/2 + 7 = 23/2.

Therefore, the value of the given line integral is 23/2.

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Answer:

what?

Step-by-step explanation:

‎‎‎‎‎‎‎........................................................................

The explicit formula for f^-1 is (x-3)^(1/4) and this is obtained by switching the roles of x and y and solving for y in terms of x.

To find the inverse function of f(x)=x^4+3, we need to switch the roles of x and y, and solve for y.
Let y = x^4+3
Subtract 3 from both sides to get:
y - 3 = x^4
Take the fourth root of both sides to isolate x:
(x^4)^(1/4) = (y-3)^(1/4)
Simplify:
x = (y-3)^(1/4)
So the inverse function of f(x) is:
f^-1 (x) = (x-3)^(1/4)
This is the explicit formula for the inverse function of f(x).
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Answer:

y=4x

Step-by-step explanation:

All other equations have a y-intercept. When graphed, the y-value will not start at zero; in a proportional relationship, the y-value starts at zero and increases at a rate proportional to the x-value. :)

The given statement in the form of inequality is given as -

c - 6 > 24.

An inequality is used to make unequal comparisons between two or more expressions. For example → ax + b > c

In mathematics, an expression or mathematical expression is a finite combination of symbols that is well-formed according to rules that depend on the context.

Mathematical symbols can designate numbers (constants), variables, operations, functions, brackets, punctuation, and grouping to help determine order of operations and other aspects of logical syntax.

Given is the statement as -

"Six subtracted from c is greater than 24"

We can write the inequality as -

c - 6 > 24

Therefore, the given statement in the form of inequality is given as -

c - 6 > 24.

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{Question in english -

Six subtracted from c is greater than 24}