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Anna [14]
3 years ago
11

Suppose you flip 1000 coins. what is the probability of getting exactly 500 heads

Mathematics
1 answer:
Morgarella [4.7K]3 years ago
4 0
<span>Suppose you flip 1000 coins. what is the probability of getting exactly 500 heads so itd be 
</span>1/500
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Which option equals tan 40°? Select all that apply.
Sonbull [250]
Answers:
(sin40)/(cos40) and
(cos50)/(sin50)
4 0
3 years ago
-7x-3x+2=-8x-2 can you please show your work how
iVinArrow [24]

Answer:

x = 2

Step-by-step explanation:

Given

- 7x - 3x + 2 = - 8x - 2 ← simplify left side

- 10x + 2 = - 8x - 2 ( add 8x to both sides )

- 2x + 2 = - 2 ( subtract 2 from both sides )

- 2x = - 4 ( divide both sides by - 2 )

x = 2

8 0
3 years ago
I need help with the bottom one the absolute value one
astra-53 [7]

Absolute value is simply the non-negative version of the number regardless of its symbol

So for the absolute value of 20? the answer is just 20.

For reference, the absolute value of -20 is also just 20.

Hope the explanation helps :)

5 0
2 years ago
Read 2 more answers
2(3/5x+3) - (2/3x-1)
motikmotik

6x/5 + 7 + -2x/3

Step-by-step explanation:

i just put it in google lol

3 0
2 years ago
A new car is purchased for 22400 dollars. The value of the car depreciates at 11% per year. To the nearest tenth of a year , how
m_a_m_a [10]

Answer:

t= 12.9 years

Step-by-step explanation:

Value after t years = initial value ( 1 - r )^t

Where,

Value after t years= $5000

Initial value = $22,400

r= depreciation rate = 11%

t= length of time (years)

Value after t years = initial value ( 1 - r )^t

5000 = 22,400 ( 1 - 0.11)^t

5000 = 22,400(0.89)^t

Divide both sides by 22,400

(0.89)^t = 5000 / 22,400

(0.89)^t = 0.2232

Take the log of both sides

t log 0.89 = log 0.2232

t= log 0.2232 / log 0.89

= -0.6513 / -0.0506

= 12.87

t= 12.9 years

5 0
3 years ago
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