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kobusy [5.1K]
2 years ago
12

What does perpendicular mean?​

Mathematics
2 answers:
zimovet [89]2 years ago
4 0

Answer:

a straight line at an angle of 90° to a given line, plane, or surface.

Step-by-step explanation:

Ede4ka [16]2 years ago
3 0

Answer:

<h3>Perpendicular means lines that intersect at a right ( 90 degrees) angle.</h3>

<h2>I HOPE IT HELPS ❤❤</h2>
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Last month, he sold 505050 chickens and 303030 ducks for \$550$550dollar sign, 550. This month, he sold 444444 chickens and 3636
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Answer: the cost of one chicken is $8

The cost of one duck is $5

Step-by-step explanation:

Let x represent the cost of one chicken.

Let y represent the cost of one duck.

Last month, he sold 50 chickens and 30 ducks for $550. It means that

50x + 30y = 550- - - - - - - - - - - 1

This month, he sold 44 chickens and 36 ducks for $532. It means that

44x + 36y = 532- - - - - - - - - - - 2

Multiplying equation 1 by 44 and equation 2 by 50, it becomes

2200x + 1320y = 24200

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Subtracting, it becomes

- 480y = - 2400

y = - 2400/- 480

y = 5

Substituting y = 5 Intl equation 1, it becomes

50x + 30 × 5 = 550

50x + 150 = 550

50x = 550 - 150

50x = 400

x = 400/50

x = 8

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3 years ago
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