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Arisa [49]
3 years ago
9

X^2+7x-5 and 2x-y =-9​

Mathematics
1 answer:
laiz [17]3 years ago
5 0

Answer:

hdsjsjbdfrfgegsdg

Step-by-step explanation:

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Answer:

A store sells bread and milk. On Tuesday, 3 loaves of bread and 2 litres of milk were sold for €6.25. On Thursday  4 loaves of bread and 5 litres of milk were sold for €10.90. If b = the price of a loaf of bread and m = the price of

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Part A Using simplest terms, write an equation in band m for Thursday's sales.  

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3b + 2m= 6.25  >> Tuesday equation 1

4b +  5m = 10.90 >> Thursday equation 2

Subtract equation 1 and 2

3b+2m-6.25-4b+5m-10.90= 0

b+7m-4.65= 0

b+7m= 4.65+0

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if b= 4.65-7m

then substitute b in b+7m=4.65

4.65-7m+7m= 4.65

4.65-m= 4.65

4.65-4.65= m

m= 0

Step-by-step explanation:

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