Which situation models combining a number and its additive inverse to make 0?

Mathematics

2 answers:

abruzzese [7]3 years ago

6 0

The answer is b because -8 +8 is 0

astraxan [27]3 years ago

4 0

Answer: Choice C)

The reason why is because we start of with $25 and then add on -25 to indicate his balance is going to $0 after it is taken out.

In other words, 25 + (-25) = 25 - 25 = 0

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The ratio of people to books in a classroom is 10:4 what is the unit rate of people per book

Alex73 [517]

Answer:

Unit rate of people per book = 2.5

Step by step explanation:

Given:

Number of peoples = $10$

Number of books = $4$

Their ratios = $10 : 4$

We have to find the unit rate of people per book.

To find out the unit rate of people per book we have to divide the total number of peoples by the total number of books.

For this we will follow the unitary method:

For $4$ book there are $10$ persons.

For $1$ book there will be $\frac{10}{4}$ persons.

So,

The numeric value = $\frac{10}{4}$

= $2.5$

There are 2.5 people per book and that it also the unit rate of people per book.

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4 years ago

1+4.25n+3/2p-3+(x2p)+5/4n

Pavel [41]

Answer:

1+11/2n+3p^2x

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3 years ago

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Lapatulllka [165]

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