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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 20andthecostofusinga“MINI”taxiis20 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 30fortheuseofeach“SUPER”taxiand30 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 20andthecostofusinga“MINI”taxiis20 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 30fortheuseofeach“SUPER”taxiand30 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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