If a = 3 and b = 5, find a/(a+b)=.

Answer:

Amplitude = 3

Period = π

Step-by-step explanation:

[tex]\boxed{\begin{minipage}{8.7cm}\underline{Standard form of a cosecant function}\\\\$y=A\csc(Bx)$\\\\where:\\\\\phantom{ww}$\bullet$ $|A|$ is the stretch factor. \\ \\\phantom{ww}$\bullet$ $\dfrac{2\pi}{|B|}$ is the period.\\\\\phantom{ww}$\bullet$ $x=\dfrac{\pi}{|B|}$ is the interval of vertical asymptotes.\\\end{minipage}}[/tex]

Given function:

[tex]f(x)=3 \csc 2x[/tex]

Therefore:

Period

[tex]\textsf{Period} = \dfrac{2 \pi}{|B|}=\dfrac{2 \pi}{|2|}=\pi[/tex]

Amplitude

The amplitude of the given function is 3, so:

x-values of minimum points

[tex]\begin{aligned}3\csc(2x)=3 \implies \csc(2x)&=1\\\dfrac{1}{\sin(2x)}&=1\\\sin(2x)&=1\\2x&=\dfrac{\pi}{2}+2\pi n\\x&=\dfrac{\pi}{4}+\pi n \end{aligned}[/tex]

[tex]\implies \textsf{Minimum points}: \left(\dfrac{\pi}{4}\pm \pi n,3 \right)[/tex]

x-values of maximum points

[tex]\begin{aligned}3\csc(2x)=-3 \implies \csc(2x)&=-1\\\dfrac{1}{\sin(2x)}&=-1\\\sin(2x)&=-1\\2x&=-\dfrac{\pi}{2}+2\pi n\\x&=-\dfrac{\pi}{4}+\pi n \end{aligned}[/tex]

[tex]\implies \textsf{Maximum points}: \left(-\dfrac{\pi}{4}\pm \pi n,-3 \right)[/tex]

Asymptotes:

[tex]\implies x=\dfrac{\pi}{|B|}=\dfrac{\pi}{|2|}=\dfrac{1}{2} \pi[/tex]

Therefore, there are vertical asymptotes every ¹/₂π.

To graph the given function:

When 200ft of string has been let out, the angle is decreasing at a rate of 0.015 radians per second.

In this question, we have been given the height of the kite from the ground is y = 75 ft.

The kite moves horizontally at a speed of 8 ft/s

So, dx/dt = 8 ft/s

The length of the string is 200 ft

so, L = 200 ft

Consider the following figure for this situation.

Now consider the sine of angle theta.

sin(θ) = 75/200

sin(θ) = 3/8

Now consider the tangent of angle theta.

tan(θ) = 75/x

1 / tanθ = x/75

cot(θ) = x/75

Differentiating the above equation with respect to t.

-csc²(θ) * dθ/dt  = 1/75 * dx/dt

- csc²(θ) * dθ/dt  = 1/75 * 8

- csc²(θ) * dθ/dt = 8/75

We know that, csc(θ) = 1/sin(θ)

csc(θ) = 8/3

So above equation becomes,

-(8/3)² × dθ/dt = 8/75

dθ/dt = - (8/75 * 9/64)

dθ/dt = 0.015

Therefore, the angle is decreasing at a rate of 0.015 radians per second.

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Answer:

Jay is 35

Step-by-step explanation:

Let:

Here, we are given that

Given that x = 15 , y = x + 5 and z = y = 15

We can firstly find the age of john or "y" as we are given the value of x

y = x + 5

==> plug in x = 15

y = 15 + 5

==> add 15 and 5

y = 20

So John is 20

Now that we have the value of y we can easily find Jay's age or the value of z

z = y + 15

==> y = 20

z = 20 + 15

==> add 20 and 15

z = 35

Hence, Jay is 35

Answer:

  35

Step-by-step explanation:

i did the math and also try adding them together?

The equation of g(x) = y=[tex]3^{x+1}[/tex]+1 is if the function f(x)=3ˣ

A graph is a visual depiction or diagram that organizes facts or values. The points on the graph frequently reflect the relationship between two or more objects.

A function graph is a subset of a relation. In the current foundations of mathematics, and most notably in set theory, a function is truly equivalent to its graph. However, it is frequently beneficial to consider functions as mappings, which include not only the relationship between input and output, but also which set is the domain and which set is the codomain. For example, while determining whether a function is onto (surjective) or not, the codomain must be considered. The graph of a function does not determine the codomain on its own.

The graph is as follows: f(x) =[tex]3^{x}[/tex]

The graph g(x) represents a transformation of the graph f(x).

The g(x) curve travels through (-2,2) and (-1,4).

Let (a, b) represent any point on f(x).

After translation, a new curve g(x) is obtained that is parallel to the line, y=1 or asymptode is, y=1 or the graph becomes parallel to the x axis when y reaches 1.

g(x)= y-1=[tex]3^{x+1}[/tex]

g(x) = y=[tex]3^{x+1}[/tex]+1

The graph of the translated curve is +1.

The two graphs are shown below.

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The number of hydrogen and oxygen atoms that should be in the products according to the law of conservation of matter, is given as follows:

4 hydrogen atoms and 2 oxygen atoms.

The law of conservation of matter states that the amount of matter in the solution remains constant, even when the substance has a change in the format.

The amounts on the equation are given as follows:

The law of conservation of matter states that the amounts remain constant, hence the amounts of the solution are given as follows:

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The number of hydrogen and oxygen atoms that should be in the products according to the law of conservation of matter, is given as follows:

4 hydrogen atoms and 2 oxygen atoms.

What is stated by the law of conservation of matter?

The law of conservation of matter states that the amount of matter in the solution remains constant, even when the substance has a change in the format.

The amounts on the equation are given as follows:

4 hydrogen atoms.

2 oxygen atoms in the reactants.

The law of conservation of matter states that the amounts remain constant, hence the amounts of the solution are given as follows:

4 hydrogen atoms.

2 oxygen atoms in the reactants.

There are 6 donut with sprinkles and 7 with filling. if there are 3 donut that have both sprinkles and filling, 10 have sprinkles or filling

Let S represent the set for donut with Sprinklers.

Let F represent the set for donut with Filling.

To find :- How many have sprinkles or filling?

i.e. n ( S ∪ F )

Formula,

n ( S ∪ F ) = n ( S ) + n ( F ) + n ( S ∩ F )

Given,

n ( S ) = 6

n ( F ) = 7

n ( S ∩ F ) = 3

Putting in formula

n ( S ∪ F ) = n ( S ) + n ( F ) - n ( S ∩ F )

                = 6 + 7 - 3

                = 10

Donuts with Sprinklers or Filling = 10

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To maximize,  it has positive direction at x=1 in first quadrant

What are coordinates?

A pair of numbers that use the separations between the two reference axes to define the location of a point on a coordinate plane. usually represented by the x- and y-values, respectively, (x, y).

The position of a point or a shape in a given space is determined by coordinates, which are numbers (a map or a graph ).

Given function:

F=x³z - yz²

Find the following :

[tex]\partial F/\partial x+ \partial F/\partial y + \partial F/\partial z[/tex]

= 3x²z + (-z²) + (x³-2yz)

So, gradient = 3x²z -z²  + x³-2yz

Find the gradient  at (1,3,2):

x=1, y=3 and z=2

gradient = 3*1*2 - 9 +1 - 12  = -14

To maximize,  it has positive direction at x=1 in first quadrant = 14

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The value of the probability p(x > 105.0) for the given normal random variable is found as 0.6915.

For the stated question -

The formula for the z score -

z = (x - μ)/σ

In which,

μ = 140  and σ = 20

Put the values-

z = (150 - 140)/20

z = 0.5

p(x > 105.0) = p(z > 0.5)

p(x > 105.0) = 0.6915

Thus, the value of the probability p(x > 105.0) for the given  normal random variable is found as 0.6915.

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The complete question is-

suppose x is a normal random variable with μ = 140  and σ = 20 and find p(x > 105.0).

Answer:

x=4

Step-by-step explanation:

4(3x+3)=5(x+8) ------- Given

12x + 12 = 5x + 40

12x-5x= 40-12

7x = 28

x = 4

8x+8

Step-by-step explanation:

from the first you can see that there is a 3 in front of the x and if equal then 8 has to be in front of x as well

Two lines are parallel : Two lines (in the same plane) are said to be parallel to each other if they never intersect no matter how far they extend to either side.

The value of x is 15° for the given lines i.e a and b are parallel to each other.

As you can see in the picture above, there are two lines , i.e. a and b are parallel to each other.

Properties of parallel lines:

i.e. angle b° = angle f° and angle a° = angle e°

Now, we conclude that

angle (6x+3)° = angle 93°

=> 6x + 3 = 93

=> 6x = 93 - 3 = 90

=> x = 15°

Hence, the value of x is 15°.

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if it produced 500 units per day, its total cost would be $425. then average total cost is $0.61

The average total cost is calculated as the total cost divided by the number of outputs. The firm's ATC at these three levels of production will be:

1. 1,000 units per day at a total cost of $700.

ATC = Total cost/output

ATC = $700/1000

ATC = $0.58

2. If the firm produced 1,000 units per day, its total cost would be $450.

ATC = Total cost/output

ATC = $450/1000

ATC = $0.45

3. If it produced 700 units per day, its total cost would be $425.

ATC = Total cost/output

ATC = $425/700

ATC = $0.61

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The results of the expressions after the properties are applied in this problem are given as follows:

The expression in the context of this problem is defined as follows:

8(y + 2).

The distributive property states that the outside term multiplies each of the inside terms, hence it is applied as follows:

8(y + 2) = 8 x y + 8 x 2 = 8y + 16.

The commutative property states that two terms of an addition can have the order exchanged.

The terms of the addition, after the distributive property, are 8y and 16, hence after the application of the commutative property, the expression is given as follows:

16 + 8y.

As the terms were exchanged.

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The transformation taking place in triangles are 90° rotation counterclockwise about origin and translation 3 units up.

A transformation is a process that manipulates a polygon or other two-dimensional object on a plane or coordinate system.

Given that, △ ABC is transformed in to △ A′B′C′

Firstly,  △ ABC is being rotated 90° counterclockwise about the origin, and then it translated 3 units up.

Hence, The transformation taking place in triangles are 90° rotation counterclockwise about origin and translation 3 units up.

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A regular quadrilateral is one in which the lengths of all the sides and the measures of all the angles are equal. A regular quadrilateral must have all of its angles measured (6w 13°) if one of its angles does.

A quadrilateral's angles measure a total of 360 degrees. The total measure of the angles of a regular quadrilateral is 4 (6w 13)°, which equals 24w + 52°. A regular quadrilateral contains four angles, of which each measure (6w 13)°. Thus, we obtain the equation shown below:

24w + 52° = 360°

Solving for w, we get:

24w = 308°

w = 13

Consequently, w has a value of 13, and w = 13 is the right response.

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the probability that the sample mean breaking strength for a random sample of 40 rivets is between 10,000 and 10,300 P(10000 ≤ x ≤ 10300) = 0.54

We would assume a normal distribution for the breaking strength of a rivet. We would apply the formula for normal distribution which is expressed as

z = (x - µ)/σ/√n

Where

n = number of samples

x = Breaking strengths of rivet.

µ = mean breaking strength

σ = standard deviation

From the information given,

µ = 10,100 psi

σ = 499 psi

n = 40

The probability that the sample mean breaking strength for a random sample of 40 rivets is between 10000 and 10,300 is expressed as

P(10000 ≤ x ≤ 10300)

For x = 10000,

z = (10000 - 10100)/499/√40 = - 0.13

Looking at the normal distribution table, the probability corresponding to the z score is 0.45

For x = 10300,

z = (10300 - 10100)/499/√40 = 2.54

Looking at the normal distribution table, the probability corresponding to the z score is 0.99

Therefore,

P(10000 ≤ x ≤ 10300) = 0.99 - 0.45 = 0.54

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Segment US and segment JH are congruent is correct.

What is congruent triangles?

If the three sides and the three angles of both angles are equal in any orientation, two triangles are said to be congruent.

Given:

ΔSTU ≅ ΔHIJ

⇒ All three sides of ΔSTU are equal to all three sides of ΔHIJ.

⇒  ST ≅ HI, TU ≅ IJ and US ≅ JH.

Also all three angles of ΔSTU are same as the angles of  ΔHIJ

⇒   ∠S ≅ ∠H, ∠T ≅ ∠I, and ∠U ≅ ∠J

So, from the given options segment US and segment JH are congruent is correct.

Hence, segment US and segment JH are congruent is correct.

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Answer:

Step-by-step explanation:

The depth of the crater in yards is 387.2 yards

Converting Inches to yards

Since the crater is 13,937.63 in deep, we convert this to yards.

Since 36 in = 1 yard, we use this conversion factor to convert to yards

13,937.63 in × 1 yard/36 in = 387.16 yards

≅ 387.2 yards to the nearest tenth

So, the depth of the crater in yards is 387.2 yards

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The depth created by the meteor in different units will be 1,374.66 feet, 458.22 yards, and 0.26 miles.

Unit modification is the process of converting the measurement of a given amount between various units, often by multiplicative constants that alter the value of the calculated quantity without altering its impacts.

A meteor crashed onto a planet and caused a crater that was 16,495.92 inches deep.

The conversion ratio is given below.

⇒ 16,495.92 / 12 = 1,374.66 feet

⇒ 16,495.92 / 36 = 458.22 yards

⇒ 1,374.66 feet = 0.26 miles

The depth created by the meteor in different units will be 1,374.66 feet, 458.22 yards, and 0.26 miles.

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Answer:

True.

Step-by-step explanation:

I think that it is true because it is asking for a summary of the data and finding the mean of the speeds and weight would give you the summary of all the data.

Answer:

4

Four subsets of {w, x, y} contain w.

Step-by-step explanation:

There are four subsets that have w in it:

{w} has w in it.

{w, x} has w in it.

{w, y} has w in it.

{w, x, y} has w in it.

The answer is 4.

Answer:

Step-by-step explanation:you add the nmer than you divid them so when you divd them you answer is right there

Answer:

See below

Step-by-step explanation:

There is a great free graphing program called Desmos.  

y = 1/2 x - 3/2

I highlighted 3 points for you.  

The y-intercept is (0, -1.5)  This is where the graph crosses the x axis.  Another name for -1.5 is -3/2.  That is the number that you see at the end of the equation.

The slope is 1/2.  Look at the other two points on the line (-1,-2)  and (1,-1)  If you start at the first point and go up 1 and then  2 right you will end up at the second point.  That is the slope.

The scenario assumed to be the number of flips until you land on a head is P(x) = 1 + (1 - p)/p.

Given info,

If you have an unfair coin with probability p heads, what is the expected number of flips before you end up with a head,

To solve the above condition, have a formula;

P(x) = 1 + ( 1 - p )/p

Hence, P(x) = 1 + ( 1 - p )/p is the case expected to number of flips before you end up with a head.

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The cross product of  three vectors is not associative in nature.

Considering three vectors such  as : A=(2,1,3), B=(1,0,2) and  C=(1,1,0)

we  know that the  associative law depicts that :

A x (B x C) = (A x B) x C ,while doing the operation for the  considered vectors :

A x (B x C) =(2,1,3)x ((1,0,2)x (1,1,0))

                  =(2,1,3)x (-2,2,1)

     =(-5,-8,6)

(A x B) x C=  ((2,1,3)x (1,0,2))x (1,1,0)

            = (2,-1,1) x (1,1,0)

  =(-1,1,3)

So  for this vector operation, A x (B x C)  is not  equal to  (A x B) x C, so you can sum up that cross product of three vectors can't be associative every possible time.

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He paid 0.0012% of his total wealth increase as federal tax.

A mathematical expression is made up of terms (constants and variables) separated by mathematical operators. A mathematical equation is used to equate two expressions. Equation modelling is the process of writing a mathematical verbal expression in the form of a mathematical expression for correct analysis, observations and results of the given problem. In mathematics, the derivative of a function of a real variable measures the sensitivity to change of the function value with respect to a change in its argument. We can write -

y = f(x)

y' = dy/dx = (d/dx)[f(x)]

We have Mr. Bezos, who paid 1.4 million in federal taxes between 2006 -2018. His net worth increased by 127 billion dollars during this time span.

Assume that he paid [x]% of money to federal taxes. Then, we can write -

1.4 x 1,000,000 = (x/100) x 127 x 1000,000,000

1.4 = (x/100) x 127000

x = (1.4 x 100)/(127000)

x = 1.4/1270

x = 14/12700

x = 0.0012%

Therefore, he paid 0.0012% of his total wealth increase as federal tax.

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Answer:

The percentage of boys is 57.1%.

Step-by-step explanation:

I don't have to explain.

Hope this just helps!

Have a great day/night!

The desired set is shaded on the Venn Diagram given by the image at the end of the answer.

The first step towards shading the Venn Diagram is finding the meaning of each symbol, as follows:

The negation symbol of the elements of P is given as follows:

P'.

The union is applied between the sets:

R and Q.

The intersection is then applied between:

The negative of P and the union of R and Q.

Then the shaded region is given by the elements that belong to at least one of the sets Q or R, without belonging to set P, as shown by the image presented at the end of the answer.

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The population grows according to the recursive rule is-

For the stated question-

Then,

P1 = P0 + 80

P1 = 60 + 80 = 140

P2 = P1 + 80

P2 = 140 + 80 = 220

Thus, an explicit formula for the population

Pn = P0 + n×80 = 60 + n×80

P100 = 60 + 100×80 = 8060

Thus, explicit formula for the  population growth is

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The complete question is-

Consider a population that grows according to the recursive rule pn = p

(n − 1) + 80 , with initial population p0 = 60

Find an explicit formula for the population. Your formula should involve  n  (use lowercase n)

Pn=    

Use your explicit formula to find

P100  =

Three common failures in a distributed system include

Host failure and storage medium failure are failures that could also occur in a centralized system, whereas a network link failure can occur only in a networked-distributed system.

CENTRALIZED SYSTEMS

Centralized systems are systems that use client/server architecture where one or more client nodes are directly connected to a central server. This is the most commonly used type of system in many organizations where a client sends a request to a company server and receives the response.

DECENTRALIZED SYSTEMS

These are other types of systems that have been gaining a lot of popularity, primarily because of the massive hype of Bitcoin.

In decentralized systems, every node makes its own decision. The final behavior of the system is the aggregate of the decisions of the individual nodes.

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The quotient of the expression will be;

⇒ 2.823

What is Division method?

Division method is used to distributing a group of things into equal parts. Division is just opposite of multiplications. For example, dividing 20 by 2 means splitting 20 into 2 equal groups of 10.

Given that;

The equation is,

⇒ - 48 / - 17

Now,

Solve the equation as;

The equation is,

⇒ - 48 / - 17

After divide we get;

⇒ - 48 / - 17

⇒ 48 / 17

⇒ 2.823

Thus, The quotient of the expression will be;

⇒ 2.823

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Answer:

-40

Step-by-step explanation:

Given that,

c = -6

d = 2

To find the value of the given expression, replace c & d with 6 & 2 respectively.

Let us solve it now.

10c - cd + d³

( 10 × -6 ) - ( -6 × 2 ) + 2³

- 60 - ( -12 ) + 8

- 60 + 12 + 8

- 40