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4 years ago

PLEASE ANSWER!! WILL MARK BRAINLY!!

Mathematics

1 answer:

MrRa [10]4 years ago

5 0

3/12 and 1/12 hope this helps please mark brainly

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How can I calculate if a given decimal is rational or irrational. please help I forgot.

dalvyx [7]

Well, a rational decimal is like a simple 3.1 or 4.5. It just cuts off easily. Another example would be a repeating decimal like 3.333333...

An irrational decimal is like 3.1415682983523576294875 with no pattern or cutoff point.

Sorry if I am wrong.

4 0

3 years ago

How do you multiple 14.5×6.5×6.5?

BARSIC [14]

Multiple 14.6 x 6.5 then multiply the answer to that by 6.5

7 0

3 years ago

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if a and b are the two odd positive integers such that a>b then one of the two numbers ( a+b) /2 and (a-b) /2is odd and even

Tamiku [17]

If $a$ and $b$ are odd positive integers, they are one more than a non-negative even number, i.e. there exists $m,n \in \mathbb{N}$ such that

$a = 2m+1,\quad b = 2n+1$

So, the first expression become

$\cfrac{a+b}{2} = \cfrac{2m+1+2n+1}{2} = \cfrac{2m+2n+2}{2} = m+n+1$

Similarly, we have

$\cfrac{a-b}{2} = \cfrac{2m+1-2n-1}{2} = \cfrac{2m-2n}{2} = m-n$

Now, the parity of these expressions depend on those of $m$ and $n$ . We have four cases:

If both m and n are even:

$m+n+1$ is odd, since $m+n$ is even, while $m-n$ is even

If one of the two is odd and the other is even:

$m+n+1$ is even, since $m+n$ is odd, while $m-n$ is odd

If both are odd:

$m+n+1$ is odd, since $m+n$ is even, while $m-n$ is even

So, in all cases, one between (a+b)/2 and (a-b)/2 is odd, and the other is even.

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3 years ago

I dont get this question

VARVARA [1.3K]

I think C? I'm not sure but it seems like the most logical

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3 years ago

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DAN miller bought a new Toyota truck for $28,000. Dan made a down payment of $6000 and paid $390 monthly for 70 months. What is

LekaFEV [45]

Take his total payments and subtract the value that he actually borrowed and you will know the total finance charge.

F=70(390)-(28000-6000)

F=27300-22000

F=$5300.00

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3 years ago

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