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vredina [299]
2 years ago
9

John is travelling to another country.

Mathematics
1 answer:
Svetllana [295]2 years ago
7 0
Answer: The total distance is 8370 km

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HELPPP
Bingel [31]

I'm not sure if it only wants you to find Equation 1 or go further and solve:

x = the number of 5c coins

y = the number of 10c coins

Equation 1: the total number of coins is 65

x + y = 65

total value of $3.80

0.05x + 0.1y = 3.8

<u>Simultaneous Equations</u>

Make one coefficient the same

10 * (0.05x + 0.1y = 3.80 = 0.5x + y = 38

x + y = 65

0.5x + y = 38

Subtract the equations

(x + y) - (0.5x + y)= 65 - 38

(x - 0.5x) + (y - y) = 65 - 38

0.5x = 27

x = 54

Substitute it into the original equation to find y.

x + y = 65

54 + y = 56

y = 65 - 54 = 11

Substitute it into the other equation to check it's right.

0.05x + 0.1y = 3.8

0.05(54) + 0.1(65) = 3.8

x = 54 5c coins

y = 11 10c coins

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sarah had 3 cookies in her jar her friend angela took -18 from her jar how many cookies does she have now?
s344n2d4d5 [400]
She gonna owned like 20
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What form is this equation written in? y-7=2(x-6)
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Answer:

this is written in point slope form

Step-by-step explanation:

y-y1 = m(x-x1)

the slope is 2

and the point is (6,7)

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What does the multiplication principle tell you?
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Answer:

The correct answer would be E I believe

Step-by-step explanation:

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15 is 3,5 and 5 is just 1 and 3 is 1
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