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patriot [66]
2 years ago
7

James has one 10p coin, one 50p coin and some 20p coins.

Mathematics
1 answer:
maxonik [38]2 years ago
6 0

Answer:

James has 7 20p coins.

Step-by-step explanation:

£2.00

- 50p

--------------

£1.50

- 10p

--------------

£1.40

--------------

140/20

14/2

7 (20p)

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Prove that lines 3x-4y=12 and 3y=12-4x are perpendicular.
Svetllana [295]

Answer:

see explanation

Step-by-step explanation:

If 2 lines are perpendicular then the product of their slopes equals - 1

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Consider the given equations

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with slope m = \frac{3}{4}

3y = 12 - 4x = - 4x + 12 ( divide terms by 3 )

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3 0
2 years ago
When the equation is graphed is it linear or nonlinear ??
Keith_Richards [23]

Answer:

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Step-by-step explanation:

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I hope this helps :))

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3 years ago
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Answer:

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Step-by-step explanation:

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