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vladimir2022 [97]
3 years ago
13

Write the opposite of 47

Mathematics
2 answers:
Mademuasel [1]3 years ago
6 0

Answer:

-47

Step-by-step explanation:

ivann1987 [24]3 years ago
3 0

Answer:

-47

Step-by-step explanation:

The opposite of a number is just the number on the opposite side of zero on the number line.

For example, the opposite of 5 is -5.

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You lose 3 pounds per week on your new diet. What integer represents the change in your weight after 3 weeks
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Hello,

If you lose 3 pounds per week, after 3 weeks you lose (3)(3) = 9 pounds.

The change in your weight is represented by the integer 9 (pounds).

Hope this helps!

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Which numbers are "rational" and which numbers are "irrational"?
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From a group of 12 students, we want to select a random sample of 4 students to serve on a university committee. How many combin
borishaifa [10]

Answer:

495 combinations of 4 students can be selected.

Step-by-step explanation:

The order of the students in the sample is not important. So we use the combinations formula to solve this question.

Combinations formula:

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C_{n,x} = \frac{n!}{x!(n-x)!}

How many combination of random samples of 4 students can be selected?

4 from a set of 12. So

C_{n,x} = \frac{12!}{4!(8)!} = 495

495 combinations of 4 students can be selected.

8 0
3 years ago
The two-way table shows the number of books of each type in Eliza's home ​what is the probability that a randomly selected refer
Salsk061 [2.6K]

Answer:

B. 0.4

Step-by-step explanation:

Use the definition of the probability

Pr=\dfrac{\text{Number of all favorable outcomes}}{\text{Number of all possible outcomes}}

You have to find the probability that a randomly selected reference book is hard cover. Hence, from the table

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  • Number of all favorable outcomes = Number of Hardcover Reference books = 10

So, the probability is

Pr=\dfrac{10}{25}=\dfrac{40}{100}=0.4

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Answer:

65 miles per hour

Step-by-step explanation:

130/2=65/1=65 miles per hour

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