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An x vs A x

Both 'an x' and 'a x' are correct, but they are used in different contexts. 'An x' is used when the following word starts with a vowel sound, while 'a x' is used when the following word starts with a consonant sound.

Last updated: March 22, 2024 • 1186 views

An x

This is correct when the following word starts with a vowel sound.

Use 'an x' when the following word starts with a vowel sound. This is to ensure smooth pronunciation and flow of the sentence.

Examples:

  • an apple
  • an hour
  • an umbrella
  • an orange
  • an elephant
  • A market crisis would be declared if there was an x % drop in the price of a particular product over a period of y days.
  • It's about a 4,000 with an X cup.
  • This is an x ray of another patient - late 40s.
  • Meaning that if we got an X ray of the killer, then we got her.
  • Every place I've put an X that means you play a march.
  • Plus, he's smart enough not to submit to an X ray.
  • The nested X server cannot connect to your current X server. You may be missing an X authorization file.
  • In Sections 7, 8 and 9 of the form, an X must be entered in the box before yes or no, as appropriate.
  • The nested X server (Xnest) cannot connect to your current X server. You may be missing an X authorization file.
  • No, listen, you need an X ray.
  • Where the number or the x is underlined, it means that the persons concerned are also responsible for the maintenance of the variety for other countries of admission for which an asterisk appears without a number or an x.
  • Where the number or the x is underlined, it means that the persons concerned are also responsible for the maintenance of the variety for other countries of admission for which a letter a or b appears without a number or an x.
  • Put an x in the appropriate box.
  • This triangle ends with an X and a Y.
  • Amelogenin shows the presence only of an X chromosome.
  • "WARMACHINEROX" with an X, all caps.
  • Oscar is definitely an X factor in my theory.
  • The characteristics of the interoperability constituent to be assessed applying modules CB or CH1 are marked by an X in Table A.1.
  • An X appears under the heading for each Member State released.
  • And we could even do an X Prize-style golden carrot that's worth stretching further for.

Alternatives:

  • a x

A x

This is correct when the following word starts with a consonant sound.

Use 'a x' when the following word starts with a consonant sound. This is to ensure smooth pronunciation and flow of the sentence.

Examples:

  • a car
  • a book
  • a house
  • a dog
  • a university
  • Calculation - Officials and Temporary agents Reference should be made to Point 8.2.1, if applicable 0,25 A x 108.000 Euros + 1B x 108.000 + 0,25 C x 108.000 = 162.000
  • 4 a x c minus b square
  • Effects on growth rates are analysed using a regression model in order to estimate the concentration that would cause a x % variation in growth rate, i.e. ECx (e.g. EC10, EC20, or EC30).
  • ECx: is the concentration of the test substance dissolved in water that results in a x % reduction in reproduction of Daphnia magna within a stated exposure period.
  • In addition, and as far as possible, the data are analysed using a regression model in order to estimate the concentration that would cause a x % reduction in reproductive output (i.e. the EC50, EC20, or EC10).
  • ECx: in this test method is the concentration of the test substance which causes a x % variation in growth rate of the fish when compared with controls.
  • ECx(Effective Concentration): is the concentration of the test substance in soil that results in a x % inhibition of carbon transformation in carbon dioxide.
  • ECx(Effective Concentration): is the concentration of the test substance in soil that results in a x percent inhibition of nitrogen transformation to nitrate.
  • Some single malt, a little X and a whole lot of Bonnie.
  • A Type X or a German Enigma.
  • A highly configurable X terminal emulator.
  • This may include a thorough medical history, a chest X-ray and a tuberculin test.
  • He made a big X and buried a few bucks.
  • So there's a new X-light system I'm doing in Japan.
  • Round a number x down to the nearest multiple of the second parameter, Significance.
  • May be traveling with a stolen x-ray machine.
  • Her body is a perfect X.
  • Your housewife there caught a 7.62 x 39 round.
  • I'm a Malcolm X Islamic scholar now.
  • And get a portable X-ray in here right away.

Alternatives:

  • an x

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