3 years ago

Decrease £36 by 21%

Mathematics

1 answer:

Trava [24]3 years ago

6 0

£36 x 0.79 = £28.44

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A classroom has 35 glue sticks if the ratio of glue sticks to glue bottles what is 5:2 how many glue bottles did the classroom h

matrenka [14]

For this use proportions.
$\frac{5}{2} = \frac{35}{x}$
Cross multiply
$5x = 70$
Divide by 5
$x = 14$

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AlladinOne [14]

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In AWXY, m_W = (10x +17), m_X = (2x – 9)", and m_Y = (3x + 7)º.<br> Find mZY

ella [17]

Answer:

$m\angle Y=40^\circ$

Step-by-step explanation:

Suppose we have a triangle WXY whose internal angles are:

$m\angle W = 10x+17$

$m\angle X=2x-9$

$m\angle Y=3x+7$

The sum of the measures of the angles must be 180°, thus:

$10x+17 + 2x-9+3x+7=180$

Simplifying:

15x + 15 = 180

Subtracting 15:

15x = 165

Dividing by 15:

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Thus, the measure of angle Y is

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2 years ago

(4x 2 − 2x + 10) + (−2x 2 + 4x − 2)

Mariulka [41]

Answer:

2x²+2x+8

Step-by-step explanation:

4x²-2x+10-2x²+4x-2

=4x²-2x²-2x+4x+10-2

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