What is an 1 hour and a half?

An hour and a half = 1 hour + 1 half (of an hour) = 90 minutes. . The meaning of “an hour and a half” is exactly the same as “one and a half hours”. The amount of time is identical, but the two structures are different.

How do you do one and a half hours?

Very common:

1. “an hour and a half”
2. “one and a half hours”
3. “an hour and thirty minutes”

Is one and a half hours correct?

Is it “one and a half hour” or “one and a half hours”? It is “one and a half hours” because you have more than one hour ( one hour plus half an hour ) hence implying that it is plural and not just a single hour. both “one” and “a half” are describing the noun “hour”, so two.

Is it a half an hour or an half an hour?

Grammatically, it should be ‘half of an hour’. In informal speech people usually say ‘ half an hour’ or ‘half hour’ which is accepted as normal. ‘Half a hour’ is incorrect. Article ‘an’ should be used before the silent ‘h’.

What is one and the half?

One and a half parts of anything that may be divided, or considered as divided. noun.

Is it one hour or one hours?

You would use “1 hour”. “1 hours” isn’t correct. You would only use “hours” when it’s 2+. Ex: “2 hours, 3 hours…”

Why an hour and not a hour?

So to answer Matt’s question, “an hour” is correct, because “hour” starts with a vowel sound. Use “a” before words that start with a consonant sound and “an” before words that start with a vowel sound. Other letters can also be pronounced either way.

What is another way to say half hour?

In this page you can discover 17 synonyms, antonyms, idiomatic expressions, and related words for half-hour, like: , 30 minutes, , , , minute, quarter-hour, , , and null.

What is one half of a minute?

One-half minute is 30 seconds as a measure of time as well as in measuring degrees of longitude, latitude or the arc of any circle. As aptly noted in another response, “half a minute” in conversation means a very short but undefined length of time.

What is the difference between “a half an hour” and “half a hour?

“A half hour” is OK, but the reason it is half an hour” and not “half a hour” is because the h in hour is silent, so the word begins with the vowel sound. Hope that helps!

How do you use all and half in a sentence?

The quantifiers “all” and “half” precede articles: “Half the world believes all the lies”. It is always possible to connect them to a noun phrase with “of” like all the other quantifiers: half of an hour, a third of the population, some of them, none of your business.

How do you write half an hour in a sentence?

In the word‘Hour’ the letter ‘H’ is silent. a r ‘an’ is used as per pronunciation but not as per spelling. since ‘h’ is silent prefixing hour with ‘an’ instead of ‘a’is okay. so it should read as ‘half of an hour’ or ‘half an hour’. Half an hour is acceptable and correct. In speaking, ‘h’ of hour goes silent. So, an is used before hour.

What is the half-life of a first-order reaction?

The half-life of a first-order reaction is determined to be 72.5 years. How long will it take for the concentration of the reactant to reach 2\% of its initial value? The half-life of a first-order reaction is determined to be 85.5 years.

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