Assume five coins are tossed, and we're trying to figure out how many tails will appear. Let's use the letter T to denote the number of tails that will emerge. Find the values of a random variable called T.

Assume Five Coins Are Tossed, And We're Trying To Figure Out How Many Tails Will Appear. Let's Use The

Answers

Answer 1

The probability (P) can be gotten as follows:

[tex]P=\frac{number\text{ of favorable outcomes}}{total\text{ number of outcomes}}[/tex]

Each coin has a 1/2 = 0.5 probability of getting a tail. Thus, to get the probability of the 5 coins is:

[tex]\frac{1}{2}\times\frac{1}{2}\times\frac{1}{2}\times\frac{1}{2}\times\frac{1}{2}=\frac{1}{32}=0.0313[/tex]

Then the probability for a tail to emerge


Related Questions

What is the multiplicity of each of the roots of this graph?2

Answers

SOLUTIONS

What is the multiplicity of each of the roots of this graph?

[tex]f(x)=2x^4+12x^3+16x^2-12x-18[/tex]

Factorise f(x) by the options

(a) According to the option we have -3 is a root of so x+3 is a factor

[tex]\frac{2x^4+12x^3+16x^2-12x-18}{x+3}=2x^3+6x^2-2x-6[/tex]

(b) 1 is a root too so x - 1 is a factor

[tex]\frac{2x^3+6x^2-2x-6}{x-1}=2x^2+8x+6[/tex]

[tex]\begin{gathered} 2x^2+8x+6=2(x+3)(x+1) \\ f(x)=2(x+3)^2(x+1)(x-1) \end{gathered}[/tex]

Therefore the correct answer = Option A

-3x+5(x+2) find the equivalent

Answers

Answer

-3x + 5(x + 2) = 2x + 10

Explanation

The way to find this equivalent is simply to solve the given expression.

-3x + 5(x + 2)

= -3x + 5x + 10

= 2x + 10

Hope this Helps!!!

triangle W quadrilateral hexagon pentagon 2 + please help me out with thisWhat is a name for this shapetrianglequadrilateralhexagonpentagon

Answers

To determine the name of the shape you have to count its sides.

If it has 3 sides is a triangle, if it has 4 sides is a quadrilateral, if it has 5 sides is a pentagon and if it has 6 sides is a hexagon,

The shape has 6 sides so it is a hexagon.

y=-x^2-4x-8Identify the vertex, the axis of symmetry, the maximum or minimum value, and the range of the parabola.

Answers

Here we have the following parabola:

[tex]y=-x^2-4x-8[/tex]

To find the vertex, we could use the following formula:

[tex]V(x,y)=V(\frac{-b}{2a},\frac{-b^2}{4a}+c)[/tex]

Where a, b and c are the coefficients of the quadratic function:

[tex]y=ax^2+bx+c[/tex]

As you can see, in this problem a = -1 , b = -4 and c = -8. Thus,

[tex]V(x,y)=V(\frac{-(-4)}{2(-1)},\frac{-(-4)^2}{4(-1)}-8)[/tex]

This is:

[tex]V(-2,-4)[/tex]

Then, the vertex of the parabola is (-2,-4)

The axis of symmetry of the parabola is the line x=-2. Since the vertex is situated at the coordinates (-2,-4), that means that the parabola is symmetrical around this line.

The vertex is maximum point of the parabola.

The range, is defined as all the values that the y-axis could take. If we notice, that is:

[tex](-\infty,-4\rbrack[/tex]

I'm going to upload a picture of the parabola:

Find the derivative of the trigonometric function using the Chain Rule.[tex]y = \cos \sqrt{x} [/tex]

Answers

[tex]Y=\text{COS}\sqrt[]{X}[/tex][tex]Y=COSX^{\frac{1}{2}}^{}[/tex]

"The distributive Property"

Answers

Using the distributive property, the maximum number of players that can be in the NBA is; 450 players

How to use distributive property?

The distributive property is a property of algebra that states that you can distribute the contents of one parentheses into another to find an answer. For example;

a(b + c) = ab + ac

Now, we are told that there are 30 teams in the national basketball association and that each team has 12 healthy players plus three on injured reserve. Thus;

Number of players on each team = (12 + 3)

Now, for the 30 teams;

Total number of players for the teams = 30(12 + 3)

Applying distributive property, we have;

(30*12 + 30*3) = 450

Read more about distributive property at; https://brainly.com/question/2807928

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please need a answer

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Answer:

ok you can ask

Step-by-step explanation:

don't forget to follow rate like

I need the answer but i also need to check my answer after

Answers

we have the following:

[tex]\begin{gathered} 7=\frac{x-8}{3} \\ \end{gathered}[/tex]

solving for x:

[tex]\begin{gathered} x-8=7\cdot3 \\ x=21-8 \\ x=13 \end{gathered}[/tex]

11.Solve the given equation over the interval [0, 271): 2 sin x++3 = 0.117and x=64757X=- and x=332лx= -- and x=3T57x= -- and x=6and x3

Answers

Question:

Solution:

Let the following trigonometric equation:

[tex]2\sin (x)+\sqrt[]{3}=\text{ 0}[/tex]

Subtract the root of 3 from both sides of the equation:

[tex]2\sin (x)=-\sqrt[]{3}[/tex]

solve for sin(x):

[tex]\sin (x)=\text{ -}\frac{\sqrt[]{3}}{2}[/tex]

Applying the trigonometric circle on the given interval, we obtain that the correct answer is:

[tex]x\text{ = }\frac{4\pi}{3}\text{ , x = }\frac{5\pi}{3}[/tex]

Question 3 Olivia is making pancakes for breakfast. The recipe calls for 0.5 quart of milk and 2.5 cups of flour. She has quart of 3/8 quart of milk and 18/8 cups of flour. Olivia makes the recipe with the milk and flour she has. Explain her error. Hint: Convert all of them to either decimal or fraction so that you can compare the values. Challenge: How much more or less milk does Olivia need? How much more or less flour does Olivia need?

Answers

ANSWER and EXPLANATION

The recipe calls for 0.5 quart of milk and 2.5 cups of flour.

She has 3/8 quart of milk and 18/8 cups of flour.

To know the error she made, we have to find the ratio of milk to flour in the recipe and the ratio of milk to flour that she used and see if the ratios are the same.

RECIPE

Ratio of milk to flour is:

[tex]\begin{gathered} 0.5\text{ : 2.5} \\ \Rightarrow\text{ 1 : 5} \end{gathered}[/tex]

That is the ratio of milk to flour.

USED BY OLIVIA

Ratio of milk and flour that she used is:

[tex]\begin{gathered} \frac{3}{8}\text{ : }\frac{18}{8} \\ =>\text{ 3 : 18} \\ \Rightarrow\text{ 1 : 6} \end{gathered}[/tex]

We can already see that the ratios are not the same.

By comparing the ratios, we see that she actually used more flour than she was supposed to.

1. Which of the following have the same domain and range? I. y = 2x - 1 II. y = -x + 2 x = 2 (A) I and III only (B) I and II only (C) II and III only (D) I, II and III

Answers

The I and II are linear function, so those have the same domain and the same range always. So the answer is B

Plot the points (-3,4) and (4,4) on the coordinate plane below.What is the distance between these two points?

Answers

To find the distance between two points A and B you can use the formula

[tex]\begin{gathered} d=\sqrt[]{(x_2-x_1)^2+(y_2-y_1)^2} \\ \text{ Where A and B have the coordinates} \\ A(x_1,y_1) \\ B(x_2,y_2) \end{gathered}[/tex]

So, in this case, you have

[tex]\begin{gathered} A(-3,4) \\ B(4,4) \end{gathered}[/tex][tex]\begin{gathered} d=\sqrt[]{(4_{}-(-3))^2+(4-4)^2} \\ d=\sqrt[]{(4_{}+3)^2+(0)^2} \\ d=\sqrt[]{(7)^2} \\ d=7 \end{gathered}[/tex]

Therefore, the distance between these points is 7 units.

Graphically,

the corporate team building event will cost $30 if it has 6 attendees. How many attendees can there be, at most, if the budget for the corporate team building event is $50? Assume the relationship is directly proportional.

Answers

Let the number of attendees be a.

ak=c , where k=constant of variation.

6k=30

k=30/6

k=5

Find a when c=$50

5a=50

a=50/5

a=10

There will be 10 attendees for a bu

Write the standard form of the quadratic function f(x) whose graph has vertex (1,2) and passes through (2,4)

Answers

Step 1. We are given the vertex of the quadratic function:

[tex](1,2)[/tex]

And a point:

[tex](2,4)[/tex]

Required: Find the standard form of the quadratic equation.

Step 2. Since we know the vertex of the quadratic function we will start by using the vertex form of the quadratic function:

[tex]y=a(x-h)^2+k[/tex]

Where (h, k) is the vertex, in this case:

[tex]\begin{gathered} h=1 \\ k=2 \end{gathered}[/tex]

Step 3. To use the previous equation

[tex]y=a(x-h)^{2}+k[/tex]

We will need to find the value of a. For that, we substitute the h and k values:

[tex]y=a(x-1)^2+2[/tex]

And as the values of x and y, we substitute the values of the given point (2,4) where x=2 and y=4

[tex]4=a(2-1)^2+2[/tex]

Solving for a:

[tex]\begin{gathered} 4-2=a(1)^2 \\ 2=a(1) \\ 2=a \end{gathered}[/tex]

Step 4. Now that we know that the value of a is 2, we go back to our general equation:

[tex]y=a(x-h)^{2}+k[/tex]

Substitute the value of a, h, and k:

[tex]y=2(x-1)^2+2[/tex]

This is the equation in the vertex form, but we need it in standard form.

Step 5. The standard form of the quadratic function is:

[tex]f(x)=ax^2+bx+c[/tex]

To convert our equation into the standard form, first, we change y by f(x):

[tex]\begin{gathered} y=2(x-1)^{2}+2 \\ \downarrow \\ f(x)=2(x-1)^2+2 \end{gathered}[/tex]

Then, we use this formula for the binomial squared:

[tex](a-b)^2=a^2-2ab+b^2[/tex]

The result is:

[tex]f(x)=2(x^2-2x+1)+2[/tex]

Simplifying:

[tex]\begin{gathered} f(x)=2x^2-4x+2+2 \\ \downarrow \\ \boxed{f\mleft(x\mright)=2x^2-4x+4} \end{gathered}[/tex]

That is the standard form of the quadratic function.

Answer:

[tex]\boxed{f(x)=2x^{2}-4x+4}[/tex]

please help I don't understand how to find the volume of the cylinder(please add an explanation).

Answers

Explanation

From the image, we can see that the radius of the cylinder is given as

[tex]\frac{d}{2}=\frac{20}{2}=10ft[/tex]

The height of the cylinder is 40ft. Therefore, the volume of the cylinder is

[tex]volume=\pi r^2h=3.14\times10^2\times40=12560[/tex]

Answer: 12560 cubic feet

is rational or irrational v2

Answers

The square root of 2 is irrational

Here, we want to check if the square root of 2 is rational or not

When we talk of rational numbers, we mean numbers that can be expressed as the ratio of two integers

Roots of non-perfect squares such as two are not rational. They are referred to as irrational numbers. The special name they are called is surd

how to write this on a number line1 plus x less than 5

Answers

We are given the following inequality

[tex]1+x<5[/tex]

Let us first solve the inequality for x.

Subtract 1 from both sides of the inequality

[tex]\begin{gathered} -1+1+x<5-1 \\ x<4 \end{gathered}[/tex]

So the solution of the inequality is all the values of x less than 4

Now let us graph this solution on a number line.

Hi I need help bad on this I have a report card Wednesday and my birthday is in 13 days

Answers

3)

- 18/(- 6)

This can be written as

- 18/- 6

Recall, if a negative number divides a negative number, the result is positive. Thus, the answer is 3

The local bike shop rents bikes for $18 plus $6per hour. Bill paid $36 to rent a bike. For howmany hours did he rent the bike for?

Answers

we have:

h = hour

the equation is

[tex]\begin{gathered} 18+6h=36 \\ 18+6h-18=36-18 \\ 6h=18 \\ \frac{6h}{6}=\frac{18}{6} \\ h=3 \end{gathered}[/tex]

answer: 3 hours

Which number is the same as (4-1)20-4-2), A - 2 B. 1/8C 2 D. 32 E. 512

Answers

[tex](4^{-1})(\frac{2^3}{4^{-2}})=4^{-1}\cdot4^2\cdot2^3=4\cdot2^3=4\cdot8=32[/tex]

Should Jenna buy the smart phone at top quality or big value? support your answer with a mathematical evidence. Assume that getting the lowest price is Jenna's only consideration.?

Answers

Let the price of the item be t as stated in the question.

This means if Top quality is selling them at 15% off the list price, then the new price can be represented as;

(A)

[tex]\begin{gathered} Price=t-discount \\ \text{Price}=t-(t\times0.15) \\ \text{Price}=t-0.15t---(1) \\ \text{The second expression that can be used to }represent\text{ the discounted price is;} \\ \text{Price}=(t-0.15t) \\ \text{Price}=0.85t---(2) \end{gathered}[/tex]

(B)

Equation 1 shows the original list price less the discounted amount (which is 15 percent times the list price, t). The result is the price now paid eventually

Equation 2 shows the percentage of the list price that would be paid by Jenna after deducting the discount, which means she would be paying 85 percent of the list price (that is 0.85)

(C)

A smartphone on sale at 1/4 off its list price, would also mean its being sold at a discount of 25%. One-quarters of 100 percent would be 25, hence the smartphone is at 25% off the list price.

However, where the phone is being sold at 75% of its list price means, the list price now has 25% taken off. That is, the price at Big Value is

[tex]\begin{gathered} \text{Price}=0.75t \\ \text{Discount=t-0.75t} \\ \text{Discount}=0.25 \end{gathered}[/tex]

That means the discount at Big value is 25% (or 0.25)

The discount at Top Quality is 25% (0.25 or 1/4)

Jenna can buy at either of the store. Since she is already at Top Quality, she can just go ahead and buy it right there

Find the coordinates of the missing vertex of rectangle ABCD with A(-3, 3),B(5, 3), and D(-3, -1).O (5, -1)© (-11, 7)O (5,3)O (1, -1)

Answers

Given:

The given vertex of a rectangle ABCD are A=(-3,3), B=(5,3) and D=(-3,-1)

To find: Missing vertex, that means vertex C

The graph is as follows:

From the above graph, the coordinates of point C are (5,-1).

Hence, the required answer is (5,-1).

A hose for the hot tub at a rate of 3.61 gallons per minute. How many hours will it take to fill a 345 gallon hot tub?

Answers

We have a 345 gallon hot tub that fills at a rate of 3.61 gallons/min.

To calculate filling time, we need to divide as it follows:

[tex]t=\frac{345\text{gal}}{3.61\frac{\text{gal}}{\min }}[/tex]

in that way we can find how much time does it take in minutes

[tex]t=\frac{345}{3.61}=95.56786[/tex]

now, if we want to determine time in hours, we must divide by 60, because there are 60 min. in one hour.

[tex]t=\frac{345}{3.61}\cdot\frac{1}{60}=1.59279[/tex]

Then, it would take approximately 1.59 hours to fill the hot tub.

which is the best description of the data in the scatter plot

Answers

Types of correlation:

Based on the types of correlation, we can see that the best description of the data given is a positive correlation.

Answer: A positive correlation.

Write each equation in slope intercept form. Then graph .

Answers

ANSWER

EXPLANATION

Given;

[tex]y=-\frac{5}{6}x+4[/tex]

Recall, the general formula for slope - intercept form is;

[tex]\begin{gathered} y=mx+c \\ m=slope \\ c=y-intercept \end{gathered}[/tex]

comparing the given equation with the standard slope intercept form formula;

[tex]\begin{gathered} y=mx+c \\ y=-\frac{5}{6}x+4 \\ m=-\frac{5}{6} \\ c=4 \end{gathered}[/tex]

Hence, the graph of the given equation is;

Questionf(2)Find R(2) where f(2)g(2)x² – a- 2 - 3010x + 100and g(2)-22 – 5x + 6611x + 110(Simplify your answer.)Provide your answer below:

Answers

Answer:

Given that,

To find,

[tex]R(x)=\frac{f(x)}{g(x)}[/tex]

where,

[tex]f(x)=\frac{x^2-x-30}{10x+100}[/tex][tex]g(x)=\frac{-x^2-5x+66}{11x+110}[/tex]

Simplifing f(x) and g(x), we get

[tex]f(x)=\frac{x^2-x-30}{10x+10)}=\frac{x^2-6x+5x-30}{10(x+10)}[/tex][tex]=\frac{x(x-6)+5(x-6)}{10(x+10)}=\frac{(x-6)(x+5)}{10(x+10)}[/tex][tex]f(x)=\frac{(x-6)(x+5)}{10(x+10)}-----(1)[/tex]

This is the simplified form of f(x).

For g(x) we get,

[tex]g(x)=\frac{-x^2-5x+66}{11x+110}=\frac{x^2+5x-66}{-11(x+10)}[/tex][tex]=\frac{x^2+11x-6x-66}{-11(x+10)}=\frac{x(x+11)-6(x+11)}{-11(x+10)}[/tex][tex]g(x)=\frac{(x+11)(x-6)}{-11(x+10)}------(2)[/tex]

[tex]\frac{i}{g(x)}=\frac{-11(x+10)}{(x+11)(x-6)}[/tex]

Now To find R(x), we get

[tex]R(x)=\frac{f(x)}{g(x)}=f(x)\times\frac{1}{g(x)}[/tex][tex]=\frac{(x-6)(x+5)}{10(x+10)}\times\frac{-11(x+10)}{(x+11)(x-6)}[/tex][tex]=\frac{-11(x+5)}{10(x+11)}[/tex]

we get,

[tex]R(x)=\frac{-11(x+5)}{10(x+11)}[/tex]

Answer is:

[tex]R(x)=\frac{-11(x+5)}{10(x+11)}[/tex]

how would I graph 3x + 4y = -4

Answers

Answer:

To graph a line you have to find two points on the line, one way of doing this is first setting x=0 and solving for y, as follows:

[tex]\begin{gathered} 3(0)+4y=-4, \\ 4y=-4, \\ y=-1. \end{gathered}[/tex]

With the above calculations, we got that the point (0,-1) is on the line.

Now, to find another point on the line we set y=0 and solve for x:

[tex]\begin{gathered} 3x+4(0)=-4, \\ 3x=-4, \\ x=-\frac{4}{3}\text{.} \end{gathered}[/tex]

With the above calculations, we got that the point (-4/3,0) is on the line.

Once we have those points we draw the line that passes through those points.

The graph of the given equation is:

Which of the following choices are equivalent to the expression below? Check all that applyx^(3/8)

Answers

Answer: [tex]\begin{gathered} \text{\lparen}\sqrt[8]{x^3}\text{ \rparen \lparen option B\rparen} \\ \\ \text{\lparen}\sqrt[8]{x^\text{\rparen}^3}\text{ \lparen option D\rparen} \\ \\ (x^3)\placeholder{⬚}^{\frac{1}{8}}\text{ \lparen option F\rparen} \end{gathered}[/tex]

Explanation:

Given:

[tex]x^{\frac{3}{8}}[/tex]

To find:

the equivalence of the given expression

[tex]\begin{gathered} We\text{ will apply exponent rule:} \\ x^{\frac{1}{b}}\text{ = }\sqrt[b]{x} \\ x^{\frac{a}{b}}\text{ = \lparen}\sqrt[b]{x})\placeholder{⬚}^a \\ \\ Applying\text{ same rule to the given expression:} \\ x^{\frac{3}{8}}\text{ = \lparen}\sqrt[8]{x})\placeholder{⬚}^3 \end{gathered}[/tex][tex]\begin{gathered} (\sqrt[8]{x})\placeholder{⬚}^3\text{ can also be written as \lparen}\sqrt[8]{x^3}) \\ x^{\frac{3}{8}}=\text{ \lparen}\sqrt[8]{x^3}\text{ \rparen} \end{gathered}[/tex][tex]\begin{gathered} from\text{ \lparen}\sqrt[8]{x})\placeholder{⬚}^3,\text{ }\sqrt[8]{x}\text{ = x}^{\frac{1}{8}} \\ \\ (\sqrt[8]{x})\placeholder{⬚}^3\text{ = \lparen x}^{\frac{1}{8}})\placeholder{⬚}^3 \\ =(\text{x}^3)\placeholder{⬚}^{\frac{1}{8}} \end{gathered}[/tex]

a garden table and a bench cost $613 combined. the garden table cost $87 less then the bench. what is the cost of the bench ?

Answers

the cost of the bench is 350

Explanation

Step 1

let

x represents the cost of the garden table

y represents the cost of the bench

so

a)a garden table and a bench cost $613 combined.

[tex]x+y=613\rightarrow equation\text{ (1)}[/tex]

b)the garden table cost $87 less then the bench,( in other words, you have to add 87 to the price of the garden table to obtain the cost of the bech)

[tex]\begin{gathered} x+87=y\rightarrow Equation(2) \\ \end{gathered}[/tex]

Step 2

solve the equations

a)isolate x in equaiton (1) and replace in equation (2)

[tex]\begin{gathered} x+y=613\rightarrow equation\text{ (1)} \\ \text{subtrac y in both sides} \\ x+y-y=613-y \\ x=613-y \end{gathered}[/tex]

now, replace in equation (2)

[tex]\begin{gathered} x+87=y\rightarrow Equation(2) \\ (613-y)+87=y\rightarrow Equation(2) \\ 700-y=y \\ \text{add y in both sides} \\ 700-y+y=y+y \\ 700=2y \\ \text{divide both sides by 2} \\ \frac{700}{2}=\frac{2y}{2} \\ 350=y \end{gathered}[/tex]

it means, the cost of the bench is 350

y= 4/3 x-1 graph the line the top to right is 10 8 6 4 2 and at the left to bottom is -10 -8 -6 -4 -2

Answers

the graph of this equation is:

Let us make part of the table corresponding to this graph

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Let U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}. Also let A = {1, 3, 5, 7, 9} and B = {2, 4, 5, 6, 7}. A closed container contains a volume V of gas, composed of a mixture of 2 moles of O2 and 3 moles of CO2. The total pressure inside the container is 900 mm Hg. The container is at a temperature of 37C? 1. Calculate PO2 and PCO2, the partial pressures of O2 and CO2 in the gas mixture. 2. Calculate the density of the gas mixture. 3. A quantity of water is introduced into the container, keeping the same quantity of gas, as before, above the water. The container is fitted with a piston, which is positioned so that the gaseous phase occupies a volume V and the total pressure of this gaseous phase above the water is maintained at 900 mm Hg. what is the difference between the gaseous phases in the two situations? Choose the greatest multiple of 10 you can multiply by 30 to get close to,but not go over, 750. Then, write the product. (2 pts)9. Arielle took a cash advance of $1500. Her new credit card charges a periodic (daily)interest rate of 0.07%.a) How much interest will Arielle pay for the statement for the month of May whichhas 31 days(2 pts)b) What is the balance that she owes? PLEASE I NEED HELP ASAP!!What are the three forms of quadratic functions? For each of the three forms, list all features we can use to characterize the equation. A 250 kg object is lifted to a height of 4 m. What is the work done? How muchpotential energy does the object have? What is the maximum kinetic energy on impactif the object is released? What fraction is represented in the picture below? Here's a graph of a linear function. Write theequation that describes that function.Express it in slope-intercept form. Excluding hydropower, U.S. power plants used renewable energy sources to generate 105 million megawatthours of electricity in 2007. By 2012, the amount of electricity generated had increased to 219 million megawatthours. Let x represent the time (in years) since 2007 and let y represent the number of megawatt hours (inmillions).Because time x is defined in years since 2007, 2007 corresponds to x = 0 and 2012 corresponds to x = 5. Fnd therate of change (slope) of the use of renewable energy sources between 2007 and 2012. two trains leave the same city at the same time, one going east and the other going west. If one train is traveling at 65 miles per hour and the other at 72 miles per hour, how many hours will it take for them to be 822 miles apart 3. Identify the zeros of the equation below: 2x^2 + 23 = 14x Which rights granted in the Bill of Rights are absolute? None of them. Freedom of speech Freedom of religion All of them. The table lists traits and whether they arerecessive or not for two parents. Based on thedata table, if the parents reproduce and create anoffspring, the offspring will-A. definitely have red hair and most likelyhave brown eyes.B. most likely have brown hair and definitelynot have blue eyes.C. most likely have brown hair and definitelynot have blue eyes.D. most likely have red hair and maybe haveblue eyes. what is the difference between Past simple and Past Continues What is the empirical formula of P4O6? Purple hibiscusChapter 16What is the tradition when someone dies, and how does Mama defy it? which alternative best expresses the relationship between persistent depressive disorder and major depressive disorder? What type of sequence and how to write the explicit rule. 252 3/8 please help A circle has a radius of 20 inches. Find the length of the arc intercepted by a central angle of 45. Leave answers in terms of .A. 5/2 inchesB. 5 inchesC. 5 inchesD. 4 inches