Which graph corresponds to the table above?

Answer:

Pretty sure it's B

Step-by-step explanation:

A = $125.73

I = A - P = $49.30

hey!

Equation:

A = P(1 + rt)

Calculation:

First, converting R percent to r a decimal

r = R/100 = 21.5%/100 = 0.215 per year.

Solving our equation:

A = 76.43(1 + (0.215 × 3)) = 125.72735

A = $125.73

The total amount accrued, principal plus interest, from simple interest on a principal of $76.43 at a rate of 21.5% per year for 3 years is $125.73.

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

hope i helped in some way! keep pushing you got this

Answer:

Step-by-step explanation:

Answer:

1. B

2. J

3. C

4. F

5. C

6. J (I think, Sorry if u get it wrong)

Step-by-step explanation:

Thank me later lol.

Answer:

The equation of the parabola is;

x = -(1/4)·(y - 4)² + 3

Step-by-step explanation:

The given focus of the parabola is f = (2, 4)

The directrix of the parabola is x = 4

The vertex form of the equation of the parabola can be expressed as follows;

x = a·(y - k)² + h

(y - k)² = 4·p·(x - h)

Where;

(h, k) = The vertex of the parabola

(h + p, k) = The focus of the parabola

x = h - p = The directrix

Therefore, k = 4

h + p = 2...(1)

h - p = 4...(2)

∴ 2·h = 6

h = 6/2 = 3

From equation (1), we have;

p = 2 - 3 = -1

p = -1

From the equation of the parabola in the form, (y - k)² = 4·p·(x - h), we have;

The equation of the parabola is (y - 4)² = 4 × (-1) ·(x - 3)

Therefore, we have;

(y - 4)² = -4·x + 12

4·x = 12 - (y - 4)²

The equation of the parabola is x = -(1/4)·(y - 4)² + 3

y² -8·y + 16 = -4·x + 12

4·x = 8·y - y² - 16 + 12 = 8·y - y² - 4

x = 2·y - y²/4 - 1 = -y²/4 + 2·y - 1

The equation of the parabola can also be written in the form

x = -y²/4 + 2·y - 1 = -0.25·y² + 2·y - 1

The analysis of the matrices and vectors components indicates;

a) coa(A) = 1

b) <A, B> = 37

c) ||u|| ≈ 91.79

A vector is an mathematical object has magnitude and direction. Vector quantities can be represented by an ordered list of numbers, representing the components of the vector.

a) The cosine of the angle between the vectors, can be obtained from the dot product formula as follows;

cos(A) = (5)·(0) + (0)·(0) + (82)·(1) = 82

The magnitudes of the vectors are; ||u|| = √(5² + 0² + 82²) = 82

||v|| = √(0² + 0² + 1²) = 1

cos(A) = (u·v)/(||u||·||v||) = 82/82 = 1

cos(A) = 1

b) The inner product of the matrices;  [tex]A=\begin{bmatrix} 4&7 \\ 8& 4 \\\end{bmatrix}[/tex] and [tex]B = \begin{bmatrix}5 &-1 \\ 3&0 \\\end{bmatrix}[/tex] can be found from the sum of the product of the corresponding entries of the matrices as follows;

<A, B> = 4 × 5 + 7 × (-1) + 8 × 3 + 4 × 0 = 37

The inner <A, B> = 37

c) The norm of a vector is defined as the square root of the sum of the squares of the components of the vector, therefore;

||u|| = √(|2 + 26i|² + |1 + 88i|² + |0|²)

|2 + 26i| = √(2² + 26²) = √(680)

|1 + 88i| = √(1² + 88²) = √(7745)

||u|| = √((√(680))² + (√(7745))² + (0)²) = √(8425) ≈ 91.79

The norm of the vector is ||u|| ≈ 91.79

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Answer:

8

Step-by-step explanation:

the formula for direct variation =

Y ∝ kX

such that

Y = kX

from the question we have here

Y = Volume = 24

x = height = 3

when we put this in the formula above in bold

24 ∝ 3k

24 = 3k

from here we have to find the value of k. to do this, we divide through by 3

24/3 = 3k/3

8 = k

therefore the value of k is 8

Answer:

43

Step-by-step explanation:

43 is the most the lowest number while the others are around the same range

Hope this helps! Pls mark brainliest!

The slope of the graph of the total cost function represents the rate of change of the total cost with respect to the number of golf balls produced each month, the total cost function is given by C(x) = 3390 + 0.48x.

The coefficient of x in the equation represents the slope of the graph. Therefore, the slope of the total cost function is 0.48.

In this case, the marginal cost is equal to the derivative of the cost function with respect to x. Taking the derivative of C(x) = 3390 + 0.48x with respect to x, we get:

C'(x) = 0.48

Therefore, the marginal cost for the product is 0.48.

The cost of each additional ball that is produced in a month is equal to the marginal cost. From the previous calculation, we determined that the marginal cost is 0.48. Therefore, the cost of each additional ball produced in a month is $0.48.

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The probability that the Yankees would score fewer than 5 runs when they win the game is 0.32.

Let the events be A: Yankees win a game

B: Yankees score 5 or more runs

C: Yankees lose a game

D: Yankees score fewer than 5 runs

We are given the following probabilities:

P(A) = 0.56 (probability of winning)

P(B) = 0.46 (probability of scoring 5 or more runs)

P(C and D) = 0.32 (probability of losing and scoring fewer than 5 runs)

We want to find the probability of scoring fewer than 5 runs when they win the game, which is P(D|A).

We can use Bayes' theorem to find this probability:

P(D|A) = P(A and D) / P(A)

Using the definition of conditional probability:

P(D|A) = P(D and A) / P(A)

We know that P(D and C) = P(C and D), as both events represent the same outcome.

Using the fact that the sum of the probabilities of mutually exclusive events is equal to 1:

P(D and C) + P(B and C) = 1

Rearranging the equation:

P(D and C) = 1 - P(B and C)

Now, let's find P(D and A):

P(D and A) = P(D and A and C) + P(D and A and not C)

P(D and A) = P(D and A and C) + 0

P(D and A) = P(C and D and A)

Substituting the probabilities we have:

P(D|A) = P(C and D) / P(A)

P(D|A) = P(C and D) / P(C and D) + P(B and C)

P(D|A) = 0.32 / (0.32 + P(B and C))

We need to find P(B and C), which we can calculate using the given probabilities:

P(B and C) = P(C and B)

P(B and C) = P(C) - P(C and D)

P(B and C) = 1 - P(C and D)

P(B and C) = 1 - 0.32

P(B and C) = 0.68

Now we can substitute this value into the equation:

P(D|A) = 0.32 / (0.32 + 0.68)

P(D|A) = 0.32 / 1

P(D|A) = 0.32

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Answer:

I think No c

if wrong correct me pls

have a nice day

#Captainpower

The correct answer is:y = (8/3)x + 29/3

The equation of the line that passes through the point (-3, 11) and is parallel to the line with a slope of 8/3.To find the slope of the line that we need to draw, we can use the fact that parallel lines have the same slope. So, slope of the line = 8/3.Now, we have the slope and a point on the line, so we can use the point-slope form to find the equation of the line.The point-slope form is:y - y₁ = m(x - x₁)where m is the slope of the line and (x₁, y₁) is the given point.Substituting the values, we get:y - 11 = (8/3)(x - (-3))Simplifying the equation:y - 11 = (8/3)x + 8y - 44/3 = (8/3)x + 15/3y = (8/3)x + 29/3So, the equation of the line is:y = (8/3)x + 29/3The equation that represents the line that contains the point (-3, 11) and is parallel to a line that has a slope of 8/3 is:y = (8/3)x + 29/3.Selecting the options that apply:y=8/3x+19 (Does not apply because the y-intercept is incorrect.)3x+8y=11 (Does not apply because the slope is not 8/3.)8x-3y=11 (Does not apply because the slope is not 8/3.)y+11=8/3(x-3) (Does not apply because the slope is negative.)y+11=8/3(x+3) (Does not apply because the slope is not 8/3.)Hence, the correct answer is:y = (8/3)x + 29/3.

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Answer:

For line j to be parallel to line k, then x has to be equal to 0

Step-by-step explanation:

if line j is parallel to line k, then the two angles are equal.

They are equal because they would be alternate angles and alternate angles are equal in value

Thus,

3x + 10 = 5x + 10

5x-3x = 10-10

2x = 0

x = 0

In logic, an inference is a process of deriving logical conclusions from premises known or assumed to be true. The term derives from the Latin term, which means "bring in." An inference is said to be valid if it's based upon sound evidence and the conclusion follows logically from the premises.

hope this helped <3

Answer:

The pyramid with the greater volume has 5in^3 more sand

Step-by-step explanation:

Given

Pyramid A

[tex]B = 25in^2[/tex] -- Base Area

[tex]h = 9in[/tex] --- height

Pyramid B

[tex]B = 30in^2[/tex]

[tex]h = 7in[/tex]

See attachment for pyramids

The volume of a square pyramid is:

[tex]V = \frac{1}{3}Bh[/tex]

First, calculate the volume of pyramid A

[tex]V_A = \frac{1}{3} * 25in^2 * 9in[/tex]

[tex]V_A = 25in^2 * 3in[/tex]

[tex]V_A = 75in^3[/tex]

Next, the volume of pyramid B

[tex]V_B = \frac{1}{3} * 30in^2 * 7in[/tex]

[tex]V_B = 10in^2 * 7in[/tex]

[tex]V_B = 70in^3[/tex]

To calculate how much more sand the greater pyramid has, we simply calculate the absolute difference (d) between their volumes

[tex]d = |V_B - V_A|[/tex]

[tex]d = |70in^3 - 75in^3|[/tex]

[tex]d = |- 5in^3|[/tex]

[tex]d = 5in^3[/tex]

Answer:

A(x) = 3x² + 43x + 14

Step-by-step explanation:

Area of a rectangle = length × width

length = x + 14

width = 3x + 1

Area of a rectangle = length × width

= (x + 14)(3x + 1)

= 3x² + x + 42x + 14

= 3x² + 43x + 14

express the area of each rectangle as a single polynomial in terms of x.

A(x) = 3x² + 43x + 14

The value of N₂(h) for the given approximation is 1.95956. Richardson extrapolation allows us to estimate the integral with higher accuracy by combining two approximations with different step sizes. So, the correct answer is option a.

To approximate the integral [tex]M=\int\limits^1_0 {f(x)} \, dx[/tex]  using the given data, we can use Richardson extrapolation.

Let N₁(h) be the approximation with step size h, and N₁(h/2) be the approximation with step size h/2.

We can express the error in terms of a power series as M = N₁(h) + k₂h² + k₄h⁴ + ...

Using Richardson extrapolation, we can eliminate the term with the highest power of h by taking a weighted sum of the two approximations:

[tex]N_2(h) = \frac{4N_1(\frac{h}{2}-N_1(h) )}{3}[/tex]

Substituting the given values N₁(h) = 2.2341 and N₁(h/2) = 2.0282:

[tex]N_2(h)=\frac{4(2.0282) - 2.2341}{3}[/tex]

N₂(h) = 1.95956

Therefore, the value of N₂(h) is approximately 1.95956. The correct answer is option a. 1.95956.

The question should be:

The following data gives an approximation to the integral[tex]M=\int\limits^1_0 {f(x)} \, dx[/tex] N₁(h) = 2.2341, N₁(h/2) = 2.0282. Assume M = N₁(h) + k₂h² + k₄h⁴ + ...,  then N₂(h) = ?

a. 1.95956

b. 0.95957

c. 2.23405

d. 2.01333

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If the average screen time for students at this middle school is 2 hours, the option that is more likely is option C: that a random sample of 40 students will get more than 3 hours of screen time daily, on average, compared to a random sample of 30 students.

To determine the likelihood, consider sampling variability and sample size.

If we randomly sample 30 middle school students, the sample mean is likely to be closer to the population mean of 2 hours.

Sample size of 30 is small, increasing chances of random variation impacting sample mean. If one can select a larger sample of 40 students, the population mean estimate is said to be  more accurate and less affected by fluctuations.

A sample of 40 students may have an average screen time of over 3 hours per day.

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Answer:

The fraction would be 5/10 or 1/2 and the decimal would be 0.5

Step-by-step explanation:

5 are shaded in out of 10 so that shaded part would be 5 out of 10 or 5/10. Same goes for the decimal, 5 are shaded which means that is 5 tenths or 0.5.

I hope this helps!

The difference quotient for the function f(x) = 9x - 1 is (9x - 1 - (9a - 1))/(x - a).

The difference quotient is a measure of the average rate of change of a function over an interval. In this case, we are given the function f(x) = 9x - 1. The difference quotient formula is (f(x) - f(a))/(x - a), where f(x) is the value of the function at x, f(a) is the value of the function at a, and (x - a) represents the change in the input variable.

To calculate the difference quotient for the given function, we substitute the function values into the formula. So, we have (9x - 1 - (9a - 1))/(x - a). Simplifying this expression, we get (9x - 9a)/(x - a). This is the difference quotient for the function f(x) = 9x - 1.

The difference quotient represents the average rate of change of the function over the interval [a, x]. It measures how the function's output values change as the input values change from a to x. By evaluating this expression for different values of x and a, we can determine the average rate of change of the function over specific intervals.

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The fishing weight must have a minimum speed of approximately 1.98 m/s to maintain a circular path with a 0.20 m long string.

In order to maintain a circular path, the centripetal force (Fc) must be equal to or greater than the weight force (mg) of the fishing weight. The centripetal force is given by the equation Fc = (mv^2) / r, where m is the mass of the fishing weight, v is the speed, and r is the radius (0.20 m).

To find the minimum speed required, we can equate the centripetal force and weight force:

(mv^2) / r = mg

Simplifying the equation:

v^2 = rg

v = sqrt(rg)

Substituting the values of r (0.20 m) and g (acceleration due to gravity, approximately 9.8 m/s^2):

v = sqrt(0.20 * 9.8)

v ≈ 1.98 m/s

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Answer:

The diameter is 8.6cm

Step-by-step explanation:

Given

Shape: Sphere

[tex]Volume = 332cm^3[/tex]

Required

Determine the diameter of the sphere

First, calculate the radius using:

[tex]Volume = \frac{4}{3} \pi r^3[/tex]

Substitute: [tex]Volume = 332cm^3[/tex]

[tex]332= \frac{4}{3} \pi r^3\\[/tex]

Solve for r

[tex]r^3 = \frac{332 * 3}{4 * \pi}[/tex]

[tex]r^3 = \frac{996}{4 * \pi}[/tex]

[tex]r^3 = \frac{249}{\pi}[/tex]

[tex]r^3 = \frac{249}{3.142}[/tex]

[tex]r^3 = 79.25[/tex]

Take cube roots

[tex]r = \sqrt[3]{79.25}[/tex]

[tex]r = 4.3[/tex]

Diameter (D) is calculated as:

[tex]D = 2r[/tex]

[tex]D = 2 * 4.3[/tex]

1) Person A publishes their public key as (3, 1927).

2) Converting JUNE to numbers,   J = 09, U = 20, N = 13, E = 04

3) The encrypted message is the pair of blocks: (729, 1121).

4) Person A now needs to decrypt the message by finding their decryption key. The n is 1927.

5) The decryption key is 642

To set up an RSA cryptosystem, Person A needs to perform several steps. Let's go through each step to find the answers to the questions:

1. Finding the public key:

  Person A has chosen prime numbers p = 41 and q = 47.

  Compute n = p * q: n = 41 * 47 = 1927

  The public key consists of the pair (e, n), where e = 3.

  Therefore, Person A publishes their public key as (3, 1927).

2. Converting the message "JUNE" to numbers:

  Using the given conversion scheme A = 00, B = 01, ..., Z = 25:

  J = 09

  U = 20

  N = 13

  E = 04

3. Encrypting the message using Person A's public key:

  To encrypt each two-letter block, we need to calculate c = [tex]m^{e}[/tex] mod n, where m is the plaintext number and e is the encryption key.

  For the first block "JU":

    For J (m = 09): c1 = 09³ mod 1927 = 729

    For U (m = 20): c2 = 20³ mod 1927 = 16000 mod 1927 = 1121

  The encrypted message is the pair of blocks: (729, 1121).

4. Finding the decryption key:

  To decrypt the message, Person A needs to find the decryption key d, where 3d mod n = 1.

  Since n = 1927, we need to solve the equation 3d mod 1927 = 1 for d.

  We can use the Extended Euclidean Algorithm to find the modular inverse of 3 modulo 1927.

  Using the Extended Euclidean Algorithm, we get:

  1927 = 3 * 642 + 1

  1 = 1927 - 3 * 642

  Therefore, the decryption key is d = 642.

5. Computing the decryption key:

  We found that d = 642 in the previous step.

6. Confirming the decryption works:

  To confirm that the decryption works, we need to compute [tex]c^{d}[/tex] mod n for each block of the encrypted message and check if it matches the corresponding plaintext number.

For the first block (c1 = 729):

Compute [tex]c_{1} ^{d}[/tex] mod n: 729⁶⁴² mod 1927 = 09 (which matches the first plaintext number "J").

For the second block (c2 = 1121):

Compute [tex]c_{2} ^{d}[/tex] mod n: 1121⁶⁴² mod 1927 = 20 (which matches the second plaintext number "U").

Therefore, the decryption process works correctly, and the decrypted message is "JUNE," which matches the original plaintext.

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Answer:

The circumference would be 25.12 mm

Step-by-step explanation:

[tex]c = 2\pi r[/tex]

[tex]c = 6.28 \times 4[/tex]

[tex]c = 25.12[/tex]

ANSWER:

I think the approximate length og chord Lk is around 8.5 inches long

The solution of the initial value problem is y= 3e2x - c2e2x +c2e6x.

Given y2 – 8y + 12, y(0) = 3

y2 – 8y + 12 = 0

The above equation is a quadratic equation, let us factorize it.

(y - 6)(y - 2) = 0y = 6 or y = 2

Therefore, the general solution of the differential equation isy = c1e2x + c2e6x............(1)

Now, let us apply the initial condition y(0) = 3 in the above general solution to find the value of c1 and c2.

y(0) = c1e2(0) + c2e6(0)3 = c1 + c2

On solving, we getc1 + c2 = 3c1 = 3 - c2

Substitute the value of c1 in equation (1)

y = (3 - c2)e2x + c2e6x = 3e2x - c2e2x + c2e6x...........(2)

The above equation is the required solution of the given initial value problem.

Therefore, the solution of the given initial value problem is

y = 3e2x - c2e2x + c2e6x.

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Answer:

212, pretty sure

Step-by-step explanation:

For the quadrature formula, the degree of precision is 2. The precision level of a quadrature formula indicates the maximum degree of polynomial functions that the formula can accurately integrate without any error. So, option b is the correct answer.

In this case, the error term of the quadrature formula is given as (h²/3) f(3)(ξ), where h represents the step size and f(3)(ξ) represents the third derivative of the function being integrated.

To determine the degree of precision, we need to find the highest power of h in the error term. Since the error term is (h²/3) f(3)(ξ), the highest power of h is 2.

Therefore, for the quadrature formula whose error term is (h²/3) f(3)(ξ), the degree of precision is 2.

Therefore the correct answer is option b.2.

The question should be:

The degree of precision of a quadrature formula whose error term is (h²/3) f(3)(ξ) is:

a. 1

b. 2

c. 3

d. 4

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