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zzz [600]
3 years ago
14

Evaluate the expression: 2/3-1/4+(-5/6)

Mathematics
1 answer:
Aliun [14]3 years ago
3 0

Answer:

\\  \frac{2}{3}  -  \frac{1}{4}  +  \frac{( - 5)}{6}

\\  =  \frac{2}{3}  -  \frac{1}{4}  -  \frac{5}{6}

\\  =  \frac{8 - 3 - 10}{12}

\\  =  \frac{8 - 13}{12}

\\  =  \frac{ - 5}{12}

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B. represents a dialation
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3 years ago
One pound of apples costs $3.25 . Five pounds of apples cost $16.25
UNO [17]

Answer:

that is correct

Explanation:

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4 0
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Which of the following are assumptions needed for simple arithmetic
sergey [27]

Answer:

It depends, see answer below

Step-by-step explanation:

By arithmetic, we refer to the elementary operations between numbers. You can build the integer, rational, real and complex number systems from the natural numbers, so it is enough to obtain arithmetic for natural numbers.

In the axiomatic formulation of natural numbers, you assume that there exists a non empty set N such that multiplication and addition are defined in N with the commutative, associative, distributive and modulus properties. If you take this approach, you need all of the above: Numbers exist, Multiplication, Addition.

A different approach is the following: assume the Peano axioms: The set of natural numbers exists, and it obeys an inductive structure (without going in further details, every natural number has a unique sucessor, and mathematical induction is valid). You can define addition and multiplication inductively, so in this case you only need to assume that numbers exist.

7 0
3 years ago
What is the answer to this equation<br> 5n^2-14n-3
Sergeeva-Olga [200]

Answer:(5n-1)(n-3)

Step-by-step explanation:

5n^{2} -14n-3\\\\5n^{2} +n-15n-3\\\\n(5n+1)-3(5n+1)\\\\(5n-1)(n-3)

Hope this helps, now you know the answer and how to do it. HAVE A BLESSED AND WONDERFUL DAY! As well as a great Valentines Day! :-)

- Cutiepatutie ☺❀❤

8 0
4 years ago
What is 2/3 ÷ 1/8? <br> a. 3/16 <br> b. 5 1/3 <br> c. 1/12 <br> d. 3/11?
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4 0
3 years ago
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