If you flip a coin 3 times, what is the probability of flipping heads 3 times?

Answers

Answer 1

Answer: 1/8.

Basically, you take the coin to the third power because there is a 1/2 chance that the first coin will flip. The second toss has a 1/2 chance, and so does the third one. Because of this, you have to take 1/2 to the 3rd power, which gets you 1/8. Hopefully I helped you a bit!

Answer 2

Answer:

Answer:

1/8

Step-by-step explanation:

Because i guess and i got itt correct

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The sum of two rational numbers is -7. if one of the numbers is –15/19, the other number is

Answers

Answer: the other rational number is 118/19

Answer:

-118/19

Step-by-step explanation:

let x, y = the two rational numbers, respectively.

What do we know?

x + y = -7
x = -15/19

Step one: Plug in the values:

-15/19 + y =-7

Step two: Isolate the variable by adding 15/19 on both sides

y = -7 +15/19

Step three: Simplify the right side

Use basic addition to add the two numbers:

y = - 118/19

Erika and Bradley want to hike the big cypress trail. They will hike a total of 80 miles. If Erika and Bradley want to hike 12 miles each day, how many days will they hike exactly 12 miles? They will hike how many miles each day for ----- days?

Answers

6 and 1/2 days is the answer.

Parallel and perpendicular line

Answers

I think D! Have a great day :)

3.25, 3.0, 2.75, 2.5, 2.25, ...What is the rule to continue this decimal number pattern?
increase by 0.5
increase by 0.25
decrease by 0.5
decrease by 0.25

Answers

3.25 - 3 = 0.25
3 - 2.75 = 0.25
2.75 - 2.5 = 0.25
2.5 - 2.25 = 0.25

Since we subtracted those numbers, it means we are decreasing.
Therefore, the answer is decrease by 0.25.

you are decreasing by 0.25 . Each time you are subtracting only .25 to each number . +

Which statement is true?A: $(11)/(20)$ = $(4)/(7)$
B: $(11)/(20)$ ≥ $(4)/(7)$
C: $(11)/(20)$ < $(4)/(7)$
D: $(11)/(20)$ > $(4)/(7)$

Answers

$(11)/(20)=(11\cdot7)/(20\cdot7)=(77)/(140)\n\n(4)/(7)=(4\cdot20)/(7\cdot20)=(80)/(140)\n\n(77)/(140) < (80)/(140)\to(11)/(20) < (4)/(7)\to\boxed{C.}$

Alex is playing a trivia game. On his first turn he lost 100 points. I need a second turn he lost 75 points. On his third turn he lost 85 points. Write a sum of three negative integers that model the change to Alex's score after his three turns.

Answers

-100 + -75 + -85 = -260

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