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Mathematics: Post your doubts here!

loaie Amgad

loaie Amgad

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plzzzzzzzz I need old math 0580 past papers like before 2002
PLZZZZZZ I need them so badly
appreciate any help
thanks in advance
 
S

Saly Elkady

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Sariya Khan said:
Calculate the scale factor which is 6/2=3
Then you have to find the mass!
To do that you are supposed to multiply the mass of smaller egg to the cube of 3 (since mass depends on volume)
So:
3 raise to the power 3 * 4g = 27*4g =108 g
Hope it helps ! :)
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Thank you so much :):)
 
Allah's Slave

Allah's Slave

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Has anyone given igcse math 0607 here???
where on earth should i make use of my graphic calculator??
 
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Fatma Gahman

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9 Answer the whole of this question on a sheet of graph paper. A taxi company has “SUPER” taxis and “MINI” taxis. One morning a group of 45 people needs taxis. For this group the taxi company uses x “SUPER” taxis and y “MINI” taxis. A “SUPER” taxi can carry 5 passengers and a “MINI” taxi can carry 3 passengers. So 5x + 3y 45. (a) The taxi company has 12 taxis. Write down another inequality in x and y to show this information. [1] (b) The taxi company always uses at least 4 “MINI” taxis. Write down an inequality in y to show this information. [1] (c) Draw x and y axes from 0 to 15 using 1 cm to represent 1 unit on each axis. [1] (d) Draw three lines on your graph to show the inequality 5x + 3y 45 and the inequalities from parts (a) and (b). Shade the unwanted regions. [6] (e) The cost to the taxi company of using a “SUPER” taxi is $20 and the cost of using a “MINI” taxi is $10. The taxi company wants to find the cheapest way of providing “SUPER” and “MINI” taxis for this group of people. Find the two ways in which this can be done. [3] (f) The taxi company decides to use 11 taxis for this group. (i) The taxi company charges $30 for the use of each “SUPER” taxi and $16 for the use of each “MINI” taxi. Find the two possible total charges. [3] (ii) Find the largest possible profit the company can make, using 11 taxis. [1] HELPP PLLZZ.. THE LAST PART
 
ahmadumar

ahmadumar

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Fatma Gahman said:
9 Answer the whole of this question on a sheet of graph paper. A taxi company has “SUPER” taxis and “MINI” taxis. One morning a group of 45 people needs taxis. For this group the taxi company uses x “SUPER” taxis and y “MINI” taxis. A “SUPER” taxi can carry 5 passengers and a “MINI” taxi can carry 3 passengers. So 5x + 3y 45. (a) The taxi company has 12 taxis. Write down another inequality in x and y to show this information. [1] (b) The taxi company always uses at least 4 “MINI” taxis. Write down an inequality in y to show this information. [1] (c) Draw x and y axes from 0 to 15 using 1 cm to represent 1 unit on each axis. [1] (d) Draw three lines on your graph to show the inequality 5x + 3y 45 and the inequalities from parts (a) and (b). Shade the unwanted regions. [6] (e) The cost to the taxi company of using a “SUPER” taxi is $20 and the cost of using a “MINI” taxi is $10. The taxi company wants to find the cheapest way of providing “SUPER” and “MINI” taxis for this group of people. Find the two ways in which this can be done. [3] (f) The taxi company decides to use 11 taxis for this group. (i) The taxi company charges $30 for the use of each “SUPER” taxi and $16 for the use of each “MINI” taxi. Find the two possible total charges. [3] (ii) Find the largest possible profit the company can make, using 11 taxis. [1] HELPP PLLZZ.. THE LAST PART
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oh this question. i remember i did this one lol :3
it would have been easier if u had just written the exam year .
 
ahmadumar

ahmadumar

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Myaaa_20

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Can someone please help me with Q11 from 0580, June 2013, Paper 42? I'd like to see your working as well...
 
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