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How do I apply the four operations to Fractions?

When using the four operations (addition, subtraction, multiplication and division) on fractions there are specific methods for each. Multiplication and division are very similar. In order to multiply two...

Answered by James P. • Maths tutor

3792 Views

What is the difference between the past tenses?

In Spanish, there are 3 main past tenses.
Imperfect: Used when something happened over a long period of time, or when something used to happen habitually, or when someone "was doing" somet...

Answered by Sophie I. • Spanish tutor

1402 Views

How does blood flow through the heart?

Firstly, deoxygenated blood enters the top right chamber of the heart called the right atrium. It flows through to the chamber below, called the right ventricle. It then gets pumped to the lungs through t...

Answered by Tahimina M. • Biology tutor

3130 Views

Which of the following sentences are grammatically incorrect, and why? 1) Elle lui a dit de la laisser car elle est fâché, 2) Elle l'a dit de la laisser car elle est fâchée, or 3) Elle lui a dit de la laisser car elle est fâchée?

3 is the only correct sentence. 1 is incorrect because the adjective 'fâché' does not agree with the gender of the noun (in this case a person) that it describes. As the subject 'elle' is feminine, the ad...

Answered by Robert L. • French tutor

1660 Views

Why does a plant not take in all of the light energy that reaches their leaves?

There are four main reasons this could occur. The light photon could simply miss the chlorophyll molecule in the plant leaves. If they don't meet, how could the chlorophyll do anything with that light? Fu...

Answered by Thomas D. • Biology tutor

3540 Views