10 Answered Questions for the topic Igcse

02/05/22

I don't know what to do
Hi, I am an international student finishing IGCSE this year.I used to work hard and my grades were good. But since covid-19 appeared, my grades are falling. I had a hard time focusing to study.I... more
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Igcse Chemistry

08/05/21

Draw a diagram showing the arrangement of the valency electrons

Draw a diagram showing the arrangement of the valency electrons in one molecule of the covalent compound carbon dioxide. Use x to represent an electron from a carbon atom. Use o to represent an... more
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Igcse Math

04/10/21

The diagram shows a rectangular garden, 6m by 12m. In the garden there is a circular pond with radius 1.5m. There is a circular path of width 0.5m around the pond.
The diagram shows a rectangular garden, 6m by 12m. In the garden there is a circular pond with radius 1.5m. There is a circular path of width 0.5m around the pond.a) Work out the area of the... more
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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
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Igcse Geometry

08/01/19

Given AZ = 3 cm, ZC = 2 cm, MC = 5 cm, BM = 3 cm. (C) Find the ratio of AXY : AYZ. (D) the ratio of AXY : ABM
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09/11/18

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
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09/09/18

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%.
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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.
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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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05/21/18

I have 9 subjects in total.Got my maths (B;77/100).In the remaining eight subjects , How many marks do I need so that my overall is 80%?
I want to know that how many marks do I need and if it is okay that even if I get a D , i will get a A , which is 80%?   My grading scheme   A*: 90-100 A  : 80-89 B  : 70-79  C  : 60-69 D ... more
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