The possible outcomes for tossing a coin four times are shown below. 1. T-T-T-T 5. T-H-T-T 9. H-T-T-T 13. H-H-T-T 2. T-T-T-H 6. T-H-T-H 10. H-T-T-H 14. H-H-T-H 3. T-T-H-T 7. T-H-H-T 11. H-T-H-T 15. H-H-H-T 4. T-T-H-H 8. T-H-H-H 12. H-T-H-H 16. H-H-H-H Tails = T Heads = H If a coin is tossed four times, what is the probability of getting exactly zero heads?

QUESTION POSTED AT 18/01/2020 - 06:56 AM

Related questions

Probability Help! It's so hard ;(

With replacement means one marbles drawn and again put back in the bag,so it doesnt affect the number of marbles in the bag.

so there are 7 red marbles,4 blue marbles
so if u take two same color from the bag at random,so it can be 
2 RED marbles OR 2 BLUEmarbles
{RED,RED or BLUE,BLUE}

now the probability of taking two red color marbles =7/11*7/11
(total marbles are 11)

now probability of taking two blue marbles=4/11*4/11
add them up
49/121+16/121=65/121=0.53

ANSWERED AT 24/02/2020 - 12:37 AM


QUESTION POSTED AT 24/02/2020 - 12:37 AM

(1 pt) Uncle Mark's family drinks 12 quarts of milk every week. Which expression could be used to figure out how many gallons of milk they drink every week? (4 quarts = 1 gallon) A. 12 – 4 B. 12 + 4 C. 12 × 4 D. 12 ÷ 4

So Mark's family drinks 12 quarts of milk every week. And it asks us, "Which expression could be used to figure out how many gallons of milk they drink every week?" And it also tells us 4 quarts is 1 gallon. If you want to convert quarts to gallons, divide quarts by 4.

So, the answer is D. 12 / 4


ANSWERED AT 24/02/2020 - 12:34 AM


QUESTION POSTED AT 24/02/2020 - 12:34 AM

If the diameter of is 10 what is the radius

5 because of of the diameter is the radius :)

ANSWERED AT 24/02/2020 - 12:28 AM


QUESTION POSTED AT 24/02/2020 - 12:28 AM

will give brainliest worth 10 points' What is the value of –112.84 – 54.14 – (–29.18)? –137.8 –29.52 87.88 196.16

The answer is going to be -137.8

ANSWERED AT 24/02/2020 - 12:25 AM


QUESTION POSTED AT 24/02/2020 - 12:25 AM

will give brainliest worth 10 points' What is the value of –112.84 – 54.14 – (–29.18)? –137.8 –29.52 87.88 196.16

It's   a .   –137.8.    Hope this is helpful.

ANSWERED AT 24/02/2020 - 12:25 AM


QUESTION POSTED AT 24/02/2020 - 12:25 AM

How many of the numbers from 10 through 92 have the sum of their digits equal to a perfect​ square?

All the numbers in this range can be written as 10d_1+d_0 with d_1\in\{1,2,\ldots,9\} and d_2\in\{0,1,\ldots,9\}. Construct a table like so (see attached; apparently the environment for constructing tables isn't supported on this site...)

so that each entry in the table corresponds to the sum of the tens digit (row) and the ones digit (column). Now, you want to find the numbers whose digits add to perfect squares, which occurs when the sum of the digits is either of 1, 4, 9, or 16. You'll notice that this happens along some diagonals.

For each number that occupies an entire diagonal in the table, it's easy to see that that number n shows up n times in the table, so there is one instance of 1, four of 4, and nine of 9. Meanwhile, 16 shows up only twice due to the constraints of the table.

So there are 16 instances of two digit numbers between 10 and 92 whose digits add to perfect squares.

ANSWERED AT 24/02/2020 - 12:22 AM


QUESTION POSTED AT 24/02/2020 - 12:22 AM

Suppose x and y vary inversely and y=10 when x=4. write a function that models the variation then find y when x =90

X = k/y
4 = k/10
k = 4 x 10 = 40
Thus, x = 40 / y

90 = 40 / y
y = 40/90 = 4/9

ANSWERED AT 24/02/2020 - 12:18 AM


QUESTION POSTED AT 24/02/2020 - 12:18 AM

If the ratio of the corresponding side lengths of two similar polygons is 6:11, what is the ratio of their areas? A. 6:11 B. 12:11 C. 36:11 D. 36:121

D=36/121

you think about it, it makes sense why area would be the scale factor squared. Area involves two dimensions multiplied together. With scale factor, all you're really doing is multiplying the scale factor times itself.

ANSWERED AT 24/02/2020 - 12:15 AM


QUESTION POSTED AT 24/02/2020 - 12:15 AM

How many three digit positive integers are there such that three digits are 3, 4, and 8? A. 3 B. 6 C. 9 D. 15 E. 96

Solving:
*Simple Permutation

3! = 3*2 = 6 

Answer: B. 6

6 Combinations of three numbers (348, 384, 483, 438, 834, 843)







ANSWERED AT 24/02/2020 - 12:13 AM


QUESTION POSTED AT 24/02/2020 - 12:13 AM

A country is considering two income tax rates. Geoffrey is comparing what his tax bill would be under each plan. Under plan A, he pays 5% on the first $10,000. The next $85,000 is taxed at a rate of 10%. Any money earned above $95,000 is taxed at 15%. He made $98,000 last year.

Answer:

The total tax rate for each plan is computed below:

Plan A= [5%(10000)]+[10%(85000)]+[(15%(3000)]

Plan A= $9450

For Plan B, tax is computed at 10% across all earnings

Plan B= 10%x(98000)

Plan B= $9800

Difference = Plan B-Plan A=($9800-$9450)

                   = $350

From the computed tax rate in each plan. Plan B will pay $350 more than Plan A.

Step-by-step explanation: Just took the quiz on Edge, and paid for the verified answer on here

ANSWERED AT 24/02/2020 - 12:10 AM


QUESTION POSTED AT 24/02/2020 - 12:10 AM

2 + 6g = 11 - 3g G = ? !!!

G=1 you just ignore the g's and then u say g is 1

ANSWERED AT 24/02/2020 - 12:09 AM


QUESTION POSTED AT 24/02/2020 - 12:09 AM

Suppose that Algeria has a workforce of 9,416,534, each of whom earns an average annual salary of (equivalent US dollars) $6,844. If the Algerian government wishes to raise $9 billion in tax revenue, approximately where should it set the income tax rate? a. 9% b. 14% c. 18% d. 26%

Answer: b . 14 %  

Step-by-step explanation:

Since, the population of Algeria = 9,416,534

If the average annual salary of an Algerian = $6,844

Then the total earning of the people of Algeria = 9,416,534 × 6,844 = 6.4446758696\times 10^{10}  dollars

Let the percentage of income tax = x %

⇒ The total income tax raised by the government = x % of 6.4446758696\times 10^{10}  

= \frac{x}{100}\times 6.4446758696\times 10^{10}

= \frac{x}{10^2}\times 6.4446758696\times 10^{10}

= 6.4446758696x \times 10^8

According to the question,

6.4446758696x \times 10^8=9000000000

\implies x=\frac{9000000000}{6.4446758696}

\implies x = 13.9650157465\% \approx 14\%

Option b is correct.

ANSWERED AT 24/02/2020 - 12:09 AM


QUESTION POSTED AT 24/02/2020 - 12:09 AM

X/4 + 12 = 5 please help

First multiply both sides of the equation by 4, to get X by itself. Then you subtract 48 from both sides to get the integer by itself. So your answer should be X=-28. You're Welcome!

ANSWERED AT 24/02/2020 - 12:08 AM


QUESTION POSTED AT 24/02/2020 - 12:08 AM

12c - 4 = 14c - 10 c = ? !!!

The answer to this question is c=3

ANSWERED AT 24/02/2020 - 12:08 AM


QUESTION POSTED AT 24/02/2020 - 12:08 AM

.49027397189 out of 365 is what? 12 POINTS

The answer would be

744.4816998808433                      

ANSWERED AT 24/02/2020 - 12:05 AM


QUESTION POSTED AT 24/02/2020 - 12:05 AM

What is the sum of the first 11 terms of the arithmetic series in which a1 = –12 and d = 5?

Use the formula Sum= n/2(2a + (n-1)xd)
So, 11/2(2x-12 + (11-1)x5)
       =57.2

ANSWERED AT 24/02/2020 - 12:05 AM


QUESTION POSTED AT 24/02/2020 - 12:05 AM

Can someone PLEASE walk me through this?? Solve by the linear combination method (with or without multiplication). 8x + 2y = 4 –4x + 3y = –10 A. (1, 3) B. (2, 3) C. (1, 2) D. (1, –2)

Here, Multiply second equation by 2, 
-8x + 6y = -20

Now,Add both the equations in order to eliminate x from the expression,
8y= -16
y = -16/8
y = -2

Substitute the value in 1st equation, 
8x + 2(-2) = 4
8x = 4 + 4
x = 8 / 8
x = 1

In short, Your Answer would be Option D) (1, -2)

Hope this helps!

ANSWERED AT 24/02/2020 - 12:04 AM


QUESTION POSTED AT 24/02/2020 - 12:04 AM

F(x)=|x-5|+2 Evaluate f(3). A.) 10 B.) 0 C.) 4 D.) 6

F(x)=|x-5|+2
plug it in

so f(3)
f3)=|3-5|+2
solve whats inside first
|-2|+2
since its absolute value its actually positive
2+2
4

Your answer is C.) 4

ANSWERED AT 24/02/2020 - 12:01 AM


QUESTION POSTED AT 24/02/2020 - 12:01 AM

Thanh and her crew are building a stage in the shape of a trapezoid for an upcoming festival. The lengths of the parallel sides of the trapezoid are 14 ft and 24 ft. The height of the trapezoid is 12 ft. What is the area of the stage?

Answer: 228\ ft^2

Step-by-step explanation:

Given: The lengths of the parallel sides of the trapezoid are 14 ft and 24 ft. The height of the trapezoid= 12 ft.

We know that area of trapezoid is given by :-

\text{Area of trapezoid}=\frac{1}{2}(a+b)h, where a and b are the parallel sides and h is the height of the trapezoid.

Now, the area of the trapezoid shaped stage is given by :-

\text{Area of stage}=\frac{1}{2}(14+24)(12)\\\\\Rightarrow\text{Area of stage}=(38)(6)\\\\\Rightarrow\text{Area of stage}=228\ ft^2

ANSWERED AT 24/02/2020 - 12:01 AM


QUESTION POSTED AT 24/02/2020 - 12:01 AM