Liz flips a coin 70 times. The coin lands heads up 21 times and tails up 49 times. Complete each statement. The theoretical probability of the coin landing heads up is what%.

Answers

Answer 1

Answer:

Final answer:

The theoretical probability of the coin landing heads up is 30%.

Explanation:

The theoretical probability of the coin landing heads up is 30%.

The number of times the coin lands heads up out of the total number of coin flips is called the experimental probability. In this case, the experimental probability is 21/70 = 0.3, or 30%.

The theoretical probability of getting heads on a fair coin is always 50%, but in this specific experiment, the experimental probability varied due to chance. As the number of coin flips increases, the experimental probability should approach the theoretical probability of 50%.

Learn more about probability here:

brainly.com/question/32117953

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Answer 2

Answer:

Answer:

50%

I got it wrong that the answer was 50%.

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A circle has a radius of 11 inches and a central angle AOB that measures 45°. What is the area of sector AOB? Use 3.14 for pi and round your answer to the nearest tenth.a. 47.5 in2 b. 11.9 in2 c. 8.6 in2 d. 4.3 in2

Mason has to mow 6 lawns today. So far, he has mowed 1 1/2 of them. How many does he have left to do?

Answers

He has left 4 1/2 lawns to mow. As there are total 6 lawns, Mason has mowed 1 1/2 lawns. The remaining lawns are 6 - 1 1/2 = 6 - 1.5 = 4.5 = 4 1/2

Answer:

4 1/2 is the answer! Hope this helps!

Step-by-step explanation:

Jermaine buys T-shirts for $6 each and marks up the price by 45%. How much profit does Jermaine make for each T-shirt sold?

Answers

Answer:

$2.70

Step-by-step explanation:

Cost price = $6

Mark up percentage = 45%

Mark up amount = 45% × $6

= 0.45 × $6

= $2.70

Selling price = Mark up + cost price

= $2.70 + $6

= $8.70

Jermaine sells the shirts for $8.70 and makes a profit of $2.70.

Answer:

$2.70

Step-by-step explanation:

6*45% =2.70

Sam has a budget of $24 to buy ham and cheese to make sandwiches. If he bought only ham, he could buy 8 lb. If he bought only cheese, hecould buy 3 lb. Let x represent the amount of ham and y represent the amount of cheese. Write an equation standard form to model the
different amounts of ham and cheese he can buy.
Help me please ?

Answers

Answer:

can you show the answers?

Step-by-step explanation:

Answer:

Step-by-step explanation:

3х – 13 = 23
Please give an explanation to the answer

Answers

Answer:

x = 12

Step-by-step explanation:

This equation is very easy to solve.

3x - 13 = 23 Add 13 to both sides of the equation.

3x = 36 Divide by 3 on both sides of the equation.

x = 12

Then, check your answer by substituting the solved value.

3(12) - 13 = 23

36 - 13 = 23

23 = 23

Therefore, x = 12 is the solution to the equation.

Answer:

x = 12

Step-by-step explanation:

3x - 13 = 23

Bring non-variable numbers to other side:

3x = 36

Divide both sides by 3:

x = 12

Determine if the equation y = 2.5(0.8)^x represents exponential growth or decay?

Answers

for $y=ab^c$ if 0<b<1, then it is decay, if b>1, then it is grouth

$y=2.5(0.8)^x$
0.8=b
0<0.8<1
it is decay

If y varies directly with x. If x = 2, then y = 24. What is the value of x when y = 96? x =

Answers

Answer:

Step-by-step explanation:

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