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hram777 [196]
3 years ago
9

A coin is tossed two times and the results are heads and heads. What is the probability as a percent?

Mathematics
1 answer:
MissTica3 years ago
8 0
50% for heads and 50% for tails
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a test has 20 multiple-choice questions with 5 choices each, followed by 35 true/false questions. if a student guesses on each q
Nuetrik [128]

Answer

There are 170 ways the student can answer the test.

Explanation

If there are 20 multiple-choice questions with 5 choices each, the student has 100 choices. The first question has 5 choices to pick from. The second has 5 as well. So does the third. Hopefully now you realize that you have to multiply the number of choices by the number of questions.

The same thing goes with the true/false questions. There are 2 choices for each true/false question, and there are 35 of those. 35×2 is 70. There are 70 ways to answer on the true/false questions.

Now combine the number of choices on the first part and the second part; 100+70 is 170.

3 0
3 years ago
A man is in a boat that is floating 175 feet from the base of a 200- foot cliff what is the angle of depression between the clif
OleMash [197]

i would think that the depression would be from the boat as its about to off a cliff  but more at a 45 to 80 degree angel as it falls of the cliff

3 0
3 years ago
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A hypothesis regarding the weight of newborn infants at a community hospital is that the mean is 6.6 pounds. A sample of seven i
fenix001 [56]

Answer:

the null hypothesis is 5.6

Step-by-step explanation:

no step by step srry

6 0
3 years ago
Use a calculator to evaluate 2^19 to the nearest ten thousandth.
Kitty [74]

Answer:

≈ 520 000

Step-by-step explanation:

2¹⁹=  524 288 ≈ 520 000

6 0
3 years ago
The diameter of a basketball is 9.50 inches. What is the volume of the ball, rounded to the nearest hundredth?
Goryan [66]

Answer:

b

Step-by-step explanation:

4/3*pi*r^3

8 0
3 years ago
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