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2 years ago

A coin is tossed 450 times and lands on heads 268 times.

Mathematics

2 answers:

alexandr1967 [171]2 years ago

7 0

Answer:

The answer is 182 times.

Step-by-step explanation:

If a coin is tossed 450 times & has already landed on heads 268 times then the remaining times the possibility it will land on tails is 182.

450-268=182

Lerok [7]2 years ago

4 0

Answer:

The answer is 40.44%

Step-by-step explanation:

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In one hour Dele walks 8km. how long will it take her to walk 14km at the same rate

erastovalidia [21]

Answer:

it will take her 2 hours and 45 minutes

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2 years ago

Which of the following could be the lengths of the three sides of a triangle?

OverLord2011 [107]

its b

Step-by-step explanation:

cuz to sides are the exact same then one side is bigger than the others :)

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2 years ago

Read 2 more answers

20 Points! Which ordered pair is the best estimate for the solution of the system of equations?

yan [13]

Answer:

The best estimate for the solution is the ordered pair $(-6.5,-3.5)$

Step-by-step explanation:

we have

$y=\frac{3}{2}x+6$ ------> equation A

$y=\frac{1}{4}x-2$ ------> equation B

we know that

using a graphing tool, the solution of the system of equations is the intersection point both graphs

The intersection point is $(-6.4,-3.6)$

therefore

The best estimate for the solution is the ordered pair $(-6.5,-3.5)$

3 0

2 years ago

A poker hand consisting of 7 cards is dealt from a standard deck of 52 cards. Find the probability that the hand contains exactl

77julia77 [94]

Answer:

The probability is 2,010,580/13,378,456

Step-by-step explanation:

Here is a combination problem.

We want to 7 cards from a total of 52.

The number of ways to do this is 52C7 ways.

Also, we know there are 12 face cards in a standard deck of cards.

So we are selecting 3 face cards from this total of 12.

So also the number of cards which are not face cards are 52-12 = 40 cards

Out of all these 40, we shall be selecting exactly 4. The number of ways to do this 40C4

Thus, the required probability will be;

(40C4 * 12C3)/52C7 = (91,390 * 220)/133,784,560

= 20,105,800/133,784,560 = 2,010,580/13,378,456

7 0

3 years ago

Please HELP PAST DUE I NEED THE GRADE help!!!

ArbitrLikvidat [17]

Answer:

(A:) I created a scatter plot similar to the one i used for mine, this is for the first part of your question

(B:) Positive Association

Step-by-step explanation:

(B:) Why? Because as your x value increases so does your y and it shows this with the data as well.

I had a tough time with this until i actually read through what it was really asking so i hope this helps you

7 0

3 years ago