<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B12%7D%7B20%7D%20%20%20-%20%20%5Cfrac%7B30%7D%7B20%7D%20" id="TexFormula1" title="

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pshichka [43]

3 years ago

\frac{12}{20} - \frac{30}{20} " alt=" \frac{12}{20} - \frac{30}{20} " align="absmiddle" class="latex-formula">

Mathematics

2 answers:

monitta3 years ago

5 0

The answer is -9/10. Hope this helps

Ipatiy [6.2K]3 years ago

4 0

Answer:

-9/10

Step-by-step explanation:

12/20 - 30/20

Since the denominators are the same, we can subtract the numerators

12-30 = -18

Put this over the denominator

-18/20

Simplify by dividing the top and bottom by 2

-9/10

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$\text{Hey there!}$

$\mathsf{Use\ distributive\ property\ to\ solve}}\\\\\text{The formula is : a(b + c)=a(b)+a(c)=b+ac}\\\\\mathsf{7a^5(-3a^4+5a-5)}\\\\\mathsf{7a^5(-3a^4)=-21a^9}\\\\\mathsf{7a^5(5a)=3a^6}\\\\\mathsf{7a^5(-5)=-35a^5}$

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Tara has a balance of -$25.36 in her checking account. Tara takes a deposit to the bank in the amount of $25.36.

polet [3.4K]

Answer:

C. $0 because $25.36 and -$25.36 are additive inverses.

Step-by-step explanation:

Additive inverses means 2 numbers that are the complete opposite.

When additive inverses are added together, their sum is 0.

Example: 1 and -1.

They're both additive inverses because they're on the opposite sides on the number line, if -1 had to be a positive, it wouldn't be an inverse.

<u>Given:</u>

Before the deposit, her bank account balance is -25.36.
She has deposited $25.36 into her bank account.

<u>Solve:</u>

Let's add both -25.36 and 25.36.

-25.36 + 25.36 = 0.

C. is the correct choice, and the reasoning is valid.

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