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Vlada [557]
3 years ago
7

Coin B is going to be thrown 4000 times.

Mathematics
2 answers:
Ivanshal [37]3 years ago
8 0

Answer:

The probability of "heads" is ½ and the probability of "tails" is ½.

This means that if we flip this coin several times, we expect it to land on "heads" for half of the time.

If we flip the coin 4000 times, we would expect it to land on "heads" 2000 times, because ½ × 4000 = 2000

makkiz [27]3 years ago
4 0
2000 times because it will land on heads half of the times it was tossed
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Sandy is upgrading her Internet service. Fast Internet charges $45 for installation and $49.45 per month.
butalik [34]

Answer:

x = 6 months.

The equation is given by $45 + ($49.45 × x) = ($56.95 × x).

Step-by-step explanation:

i) Let x be the number of months of Internet Service purchased till the Fast

  Internet charges and Quick Internet charges become the same.

ii) Charges for Fast Internet for x months is given by $45 + ($49.45 × x)

iii) Charges for Quick Internet for x months is given by ($56.95 × x)

iv) According to the first statement we will now equate the equations in ii)  

   and iii) and solve for x.

   Therefore, $45 + ($49.45 × x) = ($56.95 × x)

                      45 + 49.45 x  =  56.95 x

  Therefore  (56.95 - 49.45) x = 45

                    7.50 × x  =  45

  Therefore x = 45 ÷  7.5 = 6

6 0
3 years ago
Brian invests £2500 into his bank account.
klio [65]
2.5% per year multiplay by 5 equals 12.5% then multiple 2500 with 12.5 equals 312.5
5 0
3 years ago
PLEASE HELP!!! WILL GRANT BRAINLIEST IF CORRECT, NEED NOW
Vinil7 [7]

Answer:

B

Step-by-step explanation:

For each equation, set x to 0.  A is correct because if x=o, then y will equal 38.910.

5 0
3 years ago
What do i do next please
emmasim [6.3K]
Now subtract, then add.
4 - 2 = 2 then add 12. 
2 + 12 = 14.

Answer is 14.
4 0
3 years ago
Read 2 more answers
PLS SOMEONE HELP ME
garik1379 [7]
Here are your answer's:

Number three would goes with "no relationship"...…
Number one would goes with "<span>causation</span>".....
Number two goes with "correlation"...…

<u>Correlation is the relationship between more than two things which is why it would go with number to because literacy rates go with the increase of doctors. Causation is like a cause and effect so in this case the cause would be a increase of the population and the effect would be more people who don't have jobs. No relationship would go with number three since how snowfall doesn't have anything to do with personal income. (which is how much a person makes) </u>

Hope this helps!
7 0
3 years ago
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