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3 years ago

A coin is flipped 20 times. The results are 12 heads and 8 tails. Determine the theoretical probability of getting heads.

Mathematics

2 answers:

zmey [24]3 years ago

3 0

Answer:

12/20=3/5

Step-by-step explanation:

KatRina [158]3 years ago

3 0

Answer:

12/20

Step-by-step explanation:

if you want to get the probability of a result in this case a head or tail you'll take the number of favourable outcome divided by total outcome (it's advisable not to simplify yet)

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Determine which of the following is a random experiment: *

sesenic [268]

Flipping a coin should be it

3 0

3 years ago

At the local burger restaurant, you can get 4 value meals for $20.44. How much is each value meal?

liubo4ka [24]

Answer:

the answer is 5 dollars

Step-by-step explanation:

7 0

3 years ago

Their sum is − 1/3 and their difference is 18

Rina8888 [55]

Answer:x=53/6 and y=-55/6

Step-by-step explanation:

Let the first number x

Second number b y

Sum of the numbers x+y=-1/3

x-y=18

Solve simultaneously

Using elimination method

We get

2y=-55/3

y=-55/6

Substitute for y in equation 1

x+55/6=18

x=18-55/6

x=53/6

6 0

3 years ago

Mr.Carter owned a ranch with 7 1/4 acres. Last year ,he bought 3 1/5 acres of land from his neighbor. Then he sold 2 1/4 acres.

almond37 [142]

Answer:

B - 8 1/5 acres

Step-by-step explanation:

1. Subtract 7 1/4 - 2 1/14 (what he sold) = 5 acres

2. Add 5 + 3 1/5 (what he bought) = 8 1/5 acres

4 0

3 years ago

–3(5 – x) = 4x solve for x

GrogVix [38]

-3 (5 - x) = 4x
-15 + x = 4x
-15 = 3x
X = 5

6 0

3 years ago