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Why do I keep getting the wrong answer when tackling percentage change questions?

Percentage change isn't always as simple as you think. Whilst taking into consideration if it is a percentage increase or decrease, you also need to consider whether you're calculating a result before or ...

ES
Answered by Emma S. Maths tutor
2777 Views

N/A

For English B the questions take on the form of reading and writing exercises - thus it is extremely difficult for me to come up with a "question" per se - the way of tutoring for English B that...

AL
2055 Views

The probability of obtaining heads on a biased coin is 0.4. The coin is tossed 600 times. Write down the mean number of heads and the standard deviation of the number of heads.

The distribution of heads on a biased coin will be binomial - there are only two possible outcomes for a given throw (disregarding the coin standing upright after a toss). Thus X ~ B(600, 0.4) - where X i...

AL
Answered by Aleksander L. Maths tutor
15256 Views

Describe the course taken by a deoxygenated red blood cell returning to the heart from the circulation, naming any vessels or chambers along its course.

Following its return to the right atrium via the vena cava, the RBC passes through the mitral valve and into the right ventricle. Upon ventricular contraction, the RBC is ejected via the pulmonary valve a...

WB
Answered by William B. Biology tutor
2346 Views

In which order do the direct and indirect object pronouns appear in Spanish?

In Spanish the indirect object pronoun (me, te, le etc.) will come before the direct object pronoun (lo, la etc.), in structures such as in simple sentences, at the end of infinitives an...

CG
Answered by Cameron G. Spanish tutor
2321 Views

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