Drag each length to the correct location on the triangle. Each length can be used more than once, but not all lengths will be used.
What are the missing side lengths for triangle ABC?
4
4√2 8
8√2
12 4√3 8√3
60°
4√3
30°

Answers

Answer 1

The missing side lengths for triangle ABC are 4, 4√3, and 8.

Based on the given information, it seems that the triangle is a right-angled triangle with angles of 30°, 60°, and 90°. Let's find the missing side lengths for triangle ABC using the given lengths and angles.
Identify the triangle type.
Since we have angles of 30°, 60°, and 90°, we are working with a 30-60-90 right-angled triangle.
Determine the ratio of side lengths.
In a 30-60-90 triangle, the ratio of the sides is 1:√3:2.
Find the corresponding side lengths.
Using the given lengths and the 1:√3:2 ratio, we can determine the side lengths for triangle ABC:
- If the shortest side (opposite the 30° angle) is 4, then the other sides would be 4√3 (opposite the 60° angle) and 8 (hypotenuse, opposite the 90° angle).

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Related Questions

CAN SOMEONE HELP WITH THIS QUESTION?

Answers

Answer:

49

Step-by-step explanation:

[tex]\int\limits^{12}_0 {-0.002t^{2} +0.7t} \, dt \\=(-0.002\frac{{12}^{3} }{3} )+(0.7\frac{{12}^{2} }{2} )\\-(-0.002\frac{{0}^{3} }{3} )-(0.7\frac{{0}^{2} }{2} )\\\\=(-0.002\frac{{12}^{3} }{3} )+(0.7\frac{{12}^{2} }{2} )-0-0\\\\=49.248\\[/tex]

Untitled Question
9. Use Figure 10.2. John Noel and his wife have insured their home for 80 percent of its
replacement value of $250,000. The home is of brick construction and is rated in fire
protection class 5. What is their annual insurance premium? (Section 10-7)
a. $515
c. $717
b. $616
d. $414
O A
P New Tab NCCG endeu
B
D

Answers

The annual insurance premium for John Noel and his wife is $616, which corresponds to option (b).

The annual insurance premium can be calculated using the following formula:

Annual premium = (Amount of insurance coverage / $100) x Rate per $100 of insurance

The amount of insurance coverage is 80% of the replacement value of the home, which is $250,000, so it is:

Amount of insurance coverage = 0.8 x $250,000 = $200,000

The rate per $100 of insurance depends on the fire protection class of the home. According to industry standards, fire protection class 5 has a rate of $0.308 per $100 of insurance.

Therefore, the rate per $1 of insurance is:

Rate per $1 of insurance = $0.308 / 100 = $0.00308

The rate per $100 of insurance is:

Rate per $100 of insurance = $0.00308 x 100 = $0.308

Using the formula above, we can calculate the annual insurance premium:

Annual premium = ($200,000 / $100) x $0.308 = $616

Therefore, the annual insurance premium for John Noel and his wife is $616, which corresponds to option (b).

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There are 90 kids in the band. 20% of the kids own their own instruments, and the rest rent them.

Answers

a) 18 Kids own their own instruments.

b) 72 kids rent instruments.

c) 80%  percentage of the kids rent their instruments.

We have,

There are 90 kids in the band.

20% of the kids own their own instruments.

a. How many kids own their own instruments?

So, 20% of 90

= 20/100 x 90

= 1/5 x 90

= 18 kids

b. How many kids rent instruments?

= 90 - 18

= 72 Kids

c. . What percentage of the kids rent their instruments?

So, x% of 90 = 72

90x = 7200

x= 80%

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Which diagram depicts as a positive angle in standard position?

Answers

Answer:

A.

Step-by-step explanation:

A positive angle has the initial side at the positive x-axis and the terminal side rotated counterclockwise from it.

That is shown in diagram A.

Which method can be used to find the range of a set of data?Find the difference between the maximum and minimum values.Find the difference between the upper and lower quartiles.Find the median of the upper half of an ordered data set.Find the sum of the maximum and minimum values.

Answers

The method can be used to find the range of a set of data is Find the difference between the maximum and minimum values. Option A

What is the range of a given set of data?

The range of a given set of data can simply be defined as  the difference that exists between the lowest and highest values of the data.

This is done irrespective of the arrangement of data like in ascending or descending order.

The range of values can be misleading sometimes when there are extremely high or low values.

For a range of function, it is the mean value of all the outputs of that function.

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Write a recursive sequence that represents the sequence defined by the following explicit formula:

Answers

A recursive sequence are -20, -80, -320 and  -1280.

To write a recursive sequence that represents the sequence defined by the given explicit formula, we need to find a rule that relates each term of the sequence to the previous term.

The explicit formula for the sequence is

[tex]a_{n}[/tex] = -5 [tex](4)^{n-1}[/tex]

To find the recursive formula, we need to express each term in terms of the previous term. Let's say the first term of the sequence is  [tex]a_{1[/tex].

[tex]a_{1[/tex]  = -5 * 1 = -5

[tex]a_{2}[/tex] = -5 * 4 = -20

[tex]a_{3}[/tex] = -5 * 16 = -80

...

[tex]a_{n}[/tex] = -5 [tex](4)^{n-1}[/tex]

We can see that each term in the sequence is 4 times the previous term, so we can express the nth term in terms of the (n-1)th term as follows

[tex]a_{1[/tex] = -5

[tex]a_{n}[/tex] =  4[tex]a_{n-1}[/tex] , for n > 1

This gives us the recursive formula for the sequence. To generate the sequence, we start with the initial term [tex]a_{1[/tex] =-5 and use the recursive formula to find the subsequent terms.

For example, if we want to find a5, we can use the recursive formula

[tex]a_{2}[/tex] = 4[tex]a_{1[/tex] = 4(-5) = -20

[tex]a_{3}[/tex] =  4[tex]a_{2}[/tex] = 4(-20) = -80

[tex]a_{4}[/tex] = 4[tex]a_{3}[/tex] = 4(-80) = -320

[tex]a_{5}[/tex] = 4[tex]a_{4}[/tex] = 4(-320) = -1280

Therefore, [tex]a_{5}[/tex] = -1280.

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What is the sum of the geometric series
10
∑6(2)^n ?
N-1

A.15,658
B.6,138
C12,276
D756

Answers

The sum of the geometric series is -12,276.

So, the correct answer is C. -12,276.

To find the sum of the geometric series, we can use the formula:

[tex]S = a \times (1 - r^n) / (1 - r),[/tex]

where S is the sum of the series,

a is the first term,

r is the common ratio, and

n is the number of terms.

In this case, the first term (a) is 6(2) = 12, the common ratio (r) is 2, and the number of terms (n) is 10.

Plugging these values into the formula, we get:

[tex]S = 12 \times (1 - 2^{10} ) / (1 - 2).[/tex]

Calculating further:

[tex]S = 12 \times (1 - 1024) / (-1) = 12 \times 1023 = 12276.[/tex]

Therefore, the sum of the geometric series is -12,276.

So, the correct answer is C. -12,276.

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IN CASE YOU ARE LOOKING FOR THE ANSWER

In 2010, the population of Houston, Texas, was 2,099,451 and the population density was 3501 people per square mile.

What was Houston's land area in 2010?

Enter your answer as a decimal in the box. Round your answer to the nearest tenth.

Answers

Answer: 599.7 square miles

Step-by-step explanation: Divide 2,099,451 by 3501 and then round to the nearest tenth.

For f(x) = x2 -4 and g(x) = 2x + 3, what is the domain of f - g?
A) (-90, ∞0)
B) (-2, 2)
C) (2, ∞)
D) [0, %)

Answers

Answer:

To determine the domain of f - g, we need to first find the expression for f - g.

f - g = (x^2 - 4) - (2x + 3)

f - g = x^2 - 2x - 7

The domain of f - g is the set of all real numbers for which the expression x^2 - 2x - 7 is defined.

We know that a quadratic expression of the form ax^2 + bx + c is defined for all real numbers x, so long as the expression under the square root in the quadratic formula (b^2 - 4ac) is non-negative.

In this case, a = 1, b = -2, and c = -7, so the expression under the square root is:

b^2 - 4ac = (-2)^2 - 4(1)(-7) = 4 + 28 = 32

Since 32 is positive, we know that the expression x^2 - 2x - 7 is defined for all real numbers x, and therefore the domain of f - g is all real numbers.

So the answer is not among the choices given.

8) A hexagonal pyramid 10 mi tall with a regular
base measuring 6 mi on each side and an
apothem of length 5.2 mi.
A) 936 mi³
C) 315 mi³
B) 312 mi³
D) 52 mi³

Answers

The volume of the pyramid is 936 mi³

What is volume of a pyramid?

A pyramid has a polygonal base and flat triangular faces, which join at a common point called the apex.

The volume of a pyramid is expressed as;

V = 1/3bh

where b is the base area and h is the height of the pyramid.

Area of the hexagon = 1/2 × p × a

perimeter = 6 × 6 = 36 mi

area = 1/2 × p × a

= 1/2 × 36 × 5.2

= 187.2/2

= 93.6 mi²

Volume = 93.6 × 10

= 936 mi³

therefore the volume of the pyramid is 936 mi³

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Allison wants to know how many games teenagers at her school have on their phones. Which answer choice gives an example of a random sample Allsion could use to help answer her question?

A Ask all the 30 female teenagers and 30 male teenagers at the grocery store if they have phones.

B Ask the first 100 people at the library on Saturday morning how many games they have on their phones.

C Ask 10 people from each grade level at Allison's school how many games they have on their phones.

D Ask 5 teenagers from 20 different countries how many games they have on their phones.

Answers

The answer choice which gives the best-example of the "random-sample" is (c) Ask 10 people from each "grade-level" at Allison's school about how many games they have on their phones.

A "Random-Sample" is a subset of a larger population which is chosen in such a way that each member of the population has an equal chance of being selected.

The Option (c) :  gives the best example of a random sample that Allison could use to help answer her question. By asking 10 people from each grade level at her school, Allison can obtain a sample that includes a variety of ages, genders, and backgrounds.

This can help to ensure that the sample is representative of the population she is interested in studying.

Option (a) : is not a random sample because it only includes teenagers who happen to be at the grocery store at the time Allison is conducting her survey. This may not represent entire population of teenagers at her school.

Option (b) : is not a random sample either because it only includes people who happen to be at the library on Saturday morning. This may not be representative of the entire population of teenagers at her school.

Option (d) :  is not a random sample because it only includes teenagers from 20 different countries. This may not be representative of the population of teenagers at Allison's school or in her local area.

Therefore, the correct option is (c).

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Using a scientific calculator or graphing calculator find the inverse tangent of the ratio. Round to the nearest degree.
StartFraction 3 Over 1 EndFraction
a.
71°
b.
19°
c.
72°
d.
18°

Answers

Answer:

The inverse tangent of 3/1 can be found using a scientific calculator or graphing calculator by taking the arctan(3/1), which gives the angle in radians. To convert to degrees, we can multiply by 180/π. Rounding to the nearest degree gives:

arctan(3/1) = 71.57° ≈ 72°

Therefore, the answer is option C: 72°.

using the line of best fit​

Answers

The monthly cell phone bill when shared data equals zero is given as follows:

$26.

How to define a linear function?

The slope-intercept representation of a linear function is given by the equation presented as follows:

y = mx + b

The coefficients of the function and their meaning are described as follows:

m is the slope of the function, representing the change in the output variable y when the input variable x is increased by one.b is the y-intercept of the function, which is the initial value of the function, i.e., the numeric value of the function when the input variable x assumes a value of 0. On a graph, it is the value of y when the graph of the function crosses the y-axis.

The intercept of the line in this problem is given as follows:

b = 26.

Hence $26 is the monthly cell phone bill when shared data equals zero.

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what is the answer to what does the transformation F(x)
>I/9f(X) do to the graph of f(x)

Answers

The effect of the transformation is a vertical srhink of scale factor 1/9.

What is the effect of the transformation to the graph of f(x)?

For a function f(x), can define a vertical dilation of scale factor k as:

g(x) = k*f(x).

if k > 1, we have a stretch.if 0 < k < 1, we have a contraction.

In this case the transformation is:

f(x) ---> (1/9)*f(x)

So we have a vertical dilation of scale factor k = 1/9, so we have a vertical contraction.

Then the effect that this will have in the graph is that it will contract/shrink it vertically.

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A circle has a radius of 9 cm and a sector of the circle has an arc length of 9.7 cm. The angle at the centre of the sector is xº. Calculate the value of x to the nearest degree. 9 cm X 3 9.7 cm

Answers

Answer:

62 degrees

Step-by-step explanation:

Hope this helps! If it’s wrong I’m really sorry. I used the formula θ = s/r then converted it from radians to degrees.
Pls give brainliest!

The length of the side of a cube is represented
by x-4. Express the surface area of the cube in
terms of x.

Answers

The surface area of the cube of side x-4 in terms of x is 6x² - 48x + 96.

Given length of a side of a cube (a) = x-4

The formula for finding the surface area of a cube = 6a²

By, substituting the 'a' value in the above formula we can obtain the surface area of the cube.

6a² = 6 * (x-4)²                           [a = x-4]

      = 6 * (x² - 8x + 16)

      = 6x² - 48x + 96

From the above analysis, we can conclude that the surface area of the given cube in terms of 'x' is 6x² - 48x + 96.

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CAN SOMEONE HELP WITH THIS QUESTION?

Answers

a) The velocity function is v(t) = -3 cos(t) - 1.

b) The object's displacement is 3sin(3) - K - 3.

c) The total distance traveled by the object from time 0 to time 3 is 3sin(3) + 3 meters.

a) To find the equation for the velocity of the object, we need to integrate the function for acceleration with respect to time. The velocity function v(t) is the antiderivative of a(t). Since a(t) = 3 sin(t), the antiderivative of a(t) is v(t) = -3 cos(t) + C, where C is the constant of integration.

We can find C using the initial velocity given. Since v(0) = -2m/s, we substitute t=0 and v(0) = -2m/s into the velocity function to get:

v(0) = -3 cos(0) + C = -2

Solving for C, we get C = -1. Now we can write the velocity function as:

v(t) = -3 cos(t) - 1

b) To find the displacement of the object from time 0 to time 3, we need to integrate the velocity function with respect to time over the interval [0,3]. The displacement function s(t) is the antiderivative of v(t):

s(t) = ∫v(t) dt = ∫(-3cos(t) - 1) dt = 3sin(t) - t - K

where K is the constant of integration. Since we want to find the displacement from time 0 to time 3, we evaluate s(3) - s(0):

s(3) - s(0) = (3sin(3) - 3) - (0 - K) = 3sin(3) - K - 3

c) To find the total distance traveled by the object from time 0 to time 3, we need to calculate the area under the absolute value of the velocity curve over the interval [0,3]. Since the velocity is negative for some time intervals, we take the absolute value of the velocity function:

|v(t)| = |-3cos(t) - 1| = 3cos(t) + 1

We can integrate this function from 0 to 3 to get the total distance traveled:

∫|v(t)| dt = ∫(3cos(t) + 1) dt = 3sin(t) + t + C

Evaluating this at t=3 and t=0, we get:

∫|v(t)| dt = (3sin(3) + 3) - (0 + 0) = 3sin(3) + 3

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Lawrence is increasing the rectangular patio in his backyard. His patio is currently 12
feet by 10 feet. He wants to increase the patio by adding a decorative tile the same width (x) all the way around creating a total area of 180 square feet. Select all the quadratic equations that represent Lawrence’s new patio area.

Answers

The quadratic equation representing the new patio area after adding a decorative tile of width x all the way around is: 0 = 4x^2 + 44x - 60

Options A and E are correct.

What is a Quadratic Function?

In mathematics, a polynomial of degree two in one or more variables is referred to as a quadratic polynomial. The polynomial function that a quadratic polynomial defines is known as a quadratic function.

Since the area of the new patio is given as 180 square feet, we can create a quadratic equation to represent the new patio area:

Area = length × width

180 = (12 + 2x) × (10 + 2x)

After we expand, the answer is given as 0 = 4x^2 + 44x - 60

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Please help!
Whoever answers right gets brainliest!!!!

Answers

Answer:

[tex]y - 4 = - 3(x - 2)[/tex]

What is the main idea of beauty algebra? 

Answers

Answer:

Beauty algebra is not a recognized term or concept within the field of mathematics. Therefore, there is no main idea associated with it in mathematical context. It is possible that the term is used in a different context or field, but without additional information, it is not possible to provide a more accurate answer.

what is the solution to the equation 0.5x - 1.25 = 3.5?

Answers

Answer:

Step-by-step explanation:

Add '-1.25' to each side of the equation.

1.25 + -1.25 + -0.5x = 0.75 + -1.25 + 3.5n

Combine like terms: 1.25 + -1.25 = 0.00

0.00 + -0.5x = 0.75 + -1.25 + 3.5n

-0.5x = 0.75 + -1.25 + 3.5n

Combine like terms: 0.75 + -1.25 = -0.5

-0.5x = -0.5 + 3.5n

Divide each side by '-0.5'.

x = 1 + -7n

Simplifying

x = 1 + -7n

end of the year math project can't fail it SOS

Answers

The steps for the construction are given below:

It should be noted that to begin, take a ruler and draw a straight line.Next, employ the use of a compass to draw a circle with its center at one end of said line.Maintain your compass width and place it on the opposite end of the line, drawing another circle that collides with the initial circular figure.

How to explain the construction

A new line can be created connecting the points where these two circles intersect using just a simple ruler.

Now that you have succeeded in this task, feel free to experiment and manipulate the astonishing construction you've completed using the same innovative tools.

While this is only an elementary blueprint, there are numerous advanced constructions that can be produced by taking advantage of both GeoGebra and traditional paper/pencil/ruler/compass techniques.

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Which value of y is a solution of this inequality?
3y-4<11
A. y=4
B. y=5
C. y=6
D. y=7

Answers

Answer:

B. y=5

Step-by-step explanation:

3y-4<11

3y-4+4<11+4

3y<15

3y/3<15/3

y<5

Plese answer fast 30 points!
The graph represents a relation where x represents the independent variable and y represents the dependent variable.

a coordinate plane with points at negative 5 comma 1, negative 3 comma 0, 0 comma negative 3, 2 comma 3, 5 comma negative 1, and 5 comma 1

What is the domain of the relation?

{−5, −3, 0, 2, 5}
{−5, −3, −1, 0, 1, 2, 3, 5}
{−3, 0}
{−3, −1, 0, 1, 3}

Answers

The domain of the relation, given the points the coordinate plane has, is A.{−5, −3, 0, 2, 5}

How to find the domain of the relation?

The range of representable x-values in a function or relation when plotted on a coordinate plane are regarded as the domain. This values serve as inputs that can generate correspondig outputs within functions and relations. Displayed along the x-axis, domains strictly adhere to their input-based designation.

The x values from the graph are, - 5, - 3, 0, 2, 5 .

This means that the domain is {−5, −3, 0, 2, 5}.

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Alina wants to make keepsake boxes for her two best friends. She doesn't have a lot of money, so she wants to make each box described so that it holds as much as possible with a limited amount of material.

For Jen, Alina wants to make a box with a square base whose sides and base are made of wood and whose top is made of metal. The wood she wants to use costs 5 cents per square inch, while the material for the metal top costs 12 cents per square inch. What is the largest possible box (in terms of volume measured in cubic inches) that Alina can make for Jen if she only has $30.00 to spend on materials? (Round your answer to three decimal places.)

Answers

Answer:

So Alina can make a box with dimensions 8.445 inches by 8.445 inches by 8.445 inches (with a metal top) that will hold approximately 606.526 cubic inches.

Step-by-step explanation:

Let's assume that the length of one side of the square base of the box is "x". Then the height of the box is also "x" to maximize the volume.

The surface area of the box (excluding the top) is given by:

2(x^2) + 4(x^2) = 6(x^2)

The surface area of the metal top is:

x^2

The total surface area of the box is the sum of the surface area of the box and the surface area of the metal top:

6(x^2) + x^2 = 7(x^2)

The cost of the wood for the box is:

5 cents per square inch * 6(x^2) = 30x^2 cents

The cost of the metal for the top is:

12 cents per square inch * x^2 = 12x^2 cents

The total cost of the box is:

30x^2 + 12x^2 = 42x^2 cents

We want to find the maximum volume of the box that can be made with $30, which is 3000 cents. Therefore, we can set up the equation:

42x^2 = 3000

Solving for x, we get:

x^2 = 71.429

x ≈ 8.445

Therefore, the maximum volume of the box is:

V = x^2 * x = (8.445)^3 ≈ 606.526 cubic inches.

So Alina can make a box with dimensions 8.445 inches by 8.445 inches by 8.445 inches (with a metal top) that will hold approximately 606.526 cubic inches.

A farmer has 60 metres of perimeter fencing. For every I m² he can keep I chicken. How can he arrange his fence so that the enclosed area gives him the greatest area?​

Answers

Answer:

The greatest area enclosed by the fence will be a square. If the farmer has 60 metres of perimeter fencing, he can use 15 meters of fencing for each side of the square. This would give him an area of 15² = 225 m². Since he can keep one chicken for every square meter, he can keep 225 chickens. Therefore, the farmer should arrange his fence in the shape of a square to get the greatest area.

Help I need the answer
Fast

Answers

Answer: 4

Step-by-step explanation: because he needs to divided by 2

Given the dimensions of a rectangle are (x-1)&(x+7) meters, find the value of x if the area of the rectangle is 128 square feet

Answers

Answer:

x = 12

Step-by-step explanation:

We are given that the dimensions of a rectangle are (x-1) and (x+7) meters, and we know that the area of the rectangle is 128 square meters.

We can set up an equation to solve for x as follows:

Area of rectangle = Length × Width

128 = (x-1)(x+7)

Expanding the right side, we get:

128 = x^2 + 6x - 7

Bringing all the terms to one side, we get:

x^2 + 6x - 135 = 0

Now we can use the quadratic formula to solve for x:

x = (-6 ± √(6^2 - 4(1)(-135))) / (2(1))

x = (-6 ± √936) / 2

x = (-6 ± 30) / 2

x = -3 ± 15

x = -18 or x = 12

Since x represents a length, it must be positive. Therefore, the value of x is 12.

The curve above is the graph of a sinusoidal function. It goes through the points
and
. Find a sinusoidal function that matches the given graph. If needed, you can enter
=3.1416... as 'pi' in your answer, otherwise use at least 3 decimal digits.

Answers

The sinusoidal function that matches the specified graph, expressed using π ≈ 3.1416 is; y ≈ 4·sin(0.628·(x + 3))

What is a sinusoidal function?

A sinusoidal function is a periodic function that is based on either the sine or the cosine function.

The general form of a sinusoidal function is; y = A·cos(B·(x - C)) + D

The peak and the trough of the graph of the function indicates that the amplitude, A = (4 - (-4))/2 = 4

The vertical shift, D = (4 + (-4))/2 = 0

The period, P = 2·π/B

A cycle is completed in -0.5 - (-10.5) = 10 units of the x-value interval

P = 10 = 2·π/B

Therefore; B = π/5

When x = -8, y = 0, therefore;

0 = 4·sin((π/5)·((-8) - C)) + 0

4·sin((π/5)·((-8) - C)) = 0

sin((π/5)·((-8) - C)) = 0

(π/5)·((-8) - C) = 0

((-8) - C)  = 0

C = -8

When x = 2, y = 0, therefore;

0 = 4·sin((π/5)·(2 - C)) + 0

4·sin((π/5)·(2 - C)) = 0

sin((π/5)·(2 - C)) = 0

(π/5)·(2 - C) = 0

(2 - C)  = 0

C = 2

Similarly; When x = -3, y = 0, therefore; C = -3

y = 4·sin((π/5)·(x + 3))

The value C = -3, corresponds to the horizontal shift of the graph of the sine function, which is shifted 3 units to the left

The sinusoidal function, where π ≈ 3.1416 is therefore;

y ≈ 4·sin((0.628)·(x + 3))

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What are the solutions to these -6(n-1) < 3 or 2(+1) > 0?

Answers

Answer:

When n is greater than 1/2 or always true

n > 1/2

Step-by-step explanation:

Rewrite.

0+0+6(n−1)=2(n+1)

Simplify by adding zeros.

6(n−1)=2(n+1)

Apply the distributive property.

6n+6⋅−1=2(n+1)

Multiply 6 by −1.6n−6=2(n+1)

Simplify 2(n+1).

6n−6=2n+2

Move all terms containing n to the left side of the equation.

4n−6=2

Move all terms not containing n to the right side of the equation.

4n=8

Divide each term in 4n=8 by 4 and simplify.

n=2

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