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svp [43]
2 years ago
7

Naomi's fish is 40 millimeters long. Her guinea pig is 25 centimeters long.

Mathematics
1 answer:
user100 [1]2 years ago
5 0

Answer:

21cm

Step-by-step explanation:

<em>Solution,</em>

<em>Length of fish=40mm=40/10=4cm</em>

<em>Length of pig=25cm</em>

<em>Now, </em>

<em>Difference of their length=25cm-4cm=21cm</em>

<em />

<em>Hence,the pig is 21cm long than the fish</em>

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Step-by-step explanation:

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Drag the tiles to the correct boxes to complete the pairs. Match the systems of equations with their solutions.
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Answer:

See explanation for matching pairs

Step-by-step explanation:

Equations

(1)

x - y = 25

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(2)

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(3)

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Solutions

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Required

Match equations with solutions

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Make x the subject in: x - y = 25

x = 25 + y

Substitute x = 25 + y in 2x + 3y = 180

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Collect like terms

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Solve for y

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Recall that: x = 25 + y

x = 25 + 26

x = 51

So:

(x,y) = (51,26)

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Make y the subject in 11x + y = 550

y = 550 - 11x

Substitute y = 550 - 11x in 2x - 3y = -5

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Collect like terms

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y = 550 - 11 * 47

y = 550 - 517

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(3)

x - y = 19  and -12x + y = 168

Make y the subject in -12x + y = 168

y = 168 + 12x

Substitute y = 168 + 12x in x - y = 19

x - 168 - 12x = 19

Collect like terms

x -12x = 168 + 19

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Solve for x

x = -17

Solve for y in y = 168 + 12x

y =168-12 *17

y =-36

So:

(x,y) = (-17,-36)

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