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2 years ago

When negative five is subtracted from a number the result is 10. Find the number.

Mathematics

2 answers:

Bad White [126]2 years ago

6 0

Answer:

c. 5

Step-by-step explanation:

A. -5-(-5)=0

B. 15-(-5)=20

C. 5-(-5)=10

D. -15-(-5)= -10

all u do is plug in ur choices and see if the answer equals 10. if it does then that is your answer.

Gala2k [10]2 years ago

4 0

Answer:

Option C, 5

Step-by-step explanation:

Step 1: Make an expression

Negative five is subtracted from a number the result is 10

n - (-5) = 10

Step 2: Combine

n - (-5) = 10

n + 5 = 10

Step 2: Subtract 5 from both sides

b + 5 - 5 = 10 - 5

n = 5

Answer: Option C, 5

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2 years ago

2. What percent of rolling a 2 3 probability of getting HH

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Answer:

2. The correct answer option is 25%.

3. The experimental probability is 3% greater than the theoretical probability.

Step-by-step explanation:

2. We are given that a number cube is rolled 20 times out of which 5 times it lands on the number 2.

We are to find the experimental probability of getting the number 2.

P (2) = $\frac{5}{20} \times 100 =\frac{1}{4} \times 100$ = 25%

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So theoretical probability of getting HH = $\frac{1}{4} \times 100$ = 25%

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So experimental probability of getting HH = $\frac{28}{100} \times 100$ = 28%

Therefore, the experimental probability is 3% greater than the theoretical probability.

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