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SSSSS [86.1K]
3 years ago
11

The teacher of a seventh-grade class flipped a coin 100 times. The students recorded the results in the table shown below:

Mathematics
2 answers:
RideAnS [48]3 years ago
4 0
The experimental probability is 6% higher than the theoretical probability
Aliun [14]3 years ago
3 0

Answer:  Third option is correct.

Step-by-step explanation:

Since we have given that

Number of heads = 56

Number of tails = 44

Total number of flips = 100

So, Probability of getting head is given by

\dfrac{56}{100}=0.56

Theoretical probability of getting head is given by

\dfrac{50}{100}=0.50

There is a difference of

0.56-0.50=0.06 = 6%

Hence, the experimental probability is 6% higher than the theoretical probability.

Therefore, Third option is correct.

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True or false? One literof water has a mass of 1.00 grams.
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Answer: False.

Step-by-step explanation: The actual mass for a liter of water would be a kilogram, which is 1,000 grams.

5 0
3 years ago
A packet of crisps contains 50g. If a “new size” packets contain 15% more, how many grams of crisps are in the “new size” packet
Agata [3.3K]
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4 0
3 years ago
What is the quadratic formula?
Ne4ueva [31]

Answer:

I guess u want to know the quadratic function and its formula is, AX*2 + BX + C. Otherwhise you want to know how to get 0 and get the Xm if you want to know how to solve a quadratic. That formula is,  (-B +/- \sqrt{x} (B*2 - 4AC) ) . 1/2 (where A, B and C are the number at the original function).

Step-by-step explanation:

6 0
3 years ago
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8 0
4 years ago
Law of cosines.Anyone good in Trigonometry?​
marin [14]

Answer:

c=11.8\ units

Step-by-step explanation:

we know that

The formula of law of cosines is equal to

c^2=a^2+b^2-2(a)(b)cos(C)

where

a, b and c are sides. C is the angle opposite side c

In this problem we have

a=3\ units\\b=10\ units

C=120^o

substitute the given values

c^2=3^2+10^2-2(3)(10)cos(120^o)

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c^2=109-(60)(-0.5))

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c^2=139

c=11.8\ units

3 0
3 years ago
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