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alukav5142 [94]
3 years ago
13

Simultaneous equations 5x-4y=19 X+2y=8

Mathematics
1 answer:
Ad libitum [116K]3 years ago
3 0

Answer:

x=5

y=3/2

Step-by-step explanation:

Take it or leave it, that's what the computer said.

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I need help Please help.
asambeis [7]

Answer:

Step-by-step explanation:

Number of students 10

Problem 1. $625 for the bus hire per friday, So 625*4=$2500

Problem 2. 2500/25=$100 each for the whole 4 weeks

Problem 3.

10 students tickets 220= 2200 for all tickets. The bus, 625/10 = $62.5*4= $250 dollars for the whole 4 weeks for the bus so in all each student pays $470 each

20 students, tickets 220=4400 for all tickets. The bus, 625/20=$31.25*4=$125 for the whole 4 weeks for the bus, so in all each student must pay $345 each

30 students, tickets 220 = 6600 for all tickets. The bus, 625/30 =$20.83*4=$83.32 for the whole 4 weeks for the bus, so in all each student must pay $303.32 each

41 students, tickets $160=$6560 for all tickets. The bus, because you need 2 buses at 625 each so $1250 for both buses 1250/41= 30.49*4=$121.96 for the whole 4 weeks for the bus. So in al each student must pay $281.96 each

Hope this is correct

8 0
3 years ago
A and b are rational numbers. The difference between a and b is
algol [13]

Answer:

Step-by-step explanation:

If a and b are rational and b is not zero, then a/b is also rational. Indeed, if a=m/n and b=p/q, where m,n,p, and q are integers, then a/b=mq/pn, i.e. it is also a ratio of two integers, and is therefore rational.

4 0
3 years ago
Last week at the grocery store where you work you sold 298 peaches and lost 36 because they expired. The store paid 0.45 per pea
mafiozo [28]

Answer:

Step-by-step explanation: first find the total amount of peaches then multiply that by 0.45. 150.3 is how much the store paid. then multiply the total number of peaches by the sell price.  300.6 then multiply 36 by the sell price to get how much money they lost then subtract that from 300.6 and you should get 268.2 then subtract 150.3 from 268.2 and thats the profit i hope 117.9

5 0
3 years ago
The graph of y = - 1/2x +2 is positive over the interval (-♾,4) and negative over the interval (4,♾). What happens on the graph
SCORPION-xisa [38]

Answer:

There is no solution when x=4

Step-by-step explanation:

By drawing the graph, we can see that x = 4 is a vertical asymptote. An asymptote is a line in which the graph approaches it but never meets it. As a result, the graph will never approach x=4. This means there is no solution at x = 4

5 0
3 years ago
I need so much help with this!
leva [86]

Answer:

177

Step-by-step explanation:

8.7×5×2=87

10×3×3=90

87+90=177

3 0
3 years ago
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