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6 Answered Questions for the topic Igcse

Igcse Biology

11/12/19

I really need help with this question in biology

Te diagram shows an experiment on diffusionTe diagram is basically a breaker that has sugar solution X and a permeable bag with 20% sugar solution inside it.More sugar diffuses out of the bag than... more

How do you write a surd as an exponential with a different base? How do you get from √128 to 2^(7/2)?

Hello!  The question in my textbook asks me to find m when √128 = 2^m   I used an app to solve the question and writing “√128 as an exponential with a base of 2“ was one of the steps Please... more

simple interest.

alberto invests his $90 for 2 years at r% per year simple interest. at the end of 2 years the amount of money he has is $99. calculate the value of r%.

09/09/18

calculating profit.

carlos buys a box of 50 oranges for $8. he sells all the oranges for 25 cents each. calculate the profit he makes.
Igcse Math Numbers

09/07/18

calculating percent increase.

maria walks 1.8 km to school at an average speed of 4km/h. but today maria cycled the 1.8 km at an average speed of 15km/h. calculate the percentage increase that 15km/h is on maria walking speed... more

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