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2 years ago

8

A bike brought for £100 was sold for 20% les. What was the selling price

1 answer:

ZanzabumX [31]2 years ago

5 0

Answer:

it should be 80

Step-by-step explanation:

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7x=5+5x x equals what

dybincka [34]

7x=5+5x

x=5/2

It could also be 2 1/2

3 0

3 years ago

Find the roots of the parabola given by the following equation <br> 2x^2+5X-9=2x

natta225 [31]

Answer:

$x=-3\:or\:x=\frac{3}{2}$

Step-by-step explanation:

The given parabola has equation

$2x^2+5x-9=2x$

We rewrite in standard form to obtain:

$2x^2+5x-2x-9=0$

$2x^2+3x-9=0$

Split the middle terms to get:

$2x^2+6x-3x-9=0$

Factor by grouping:

$2x(x+3)-3(x+3)=0$

$(x+3)(2x-3)=0$

$x=-3\:or\:x=\frac{3}{2}$

7 0

2 years ago

Find the missing angle according to the Triangle Exterior Angle Theorem

atroni [7]

Answer:

x=128°

Step-by-step explanation:

90+38=128

5 0

2 years ago

Find the slope of the line that passes through (1, 15) (10, 8)

Sphinxa [80]

Answer:

m=-7/9

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

The ratio of blueberries and strawberries is 1:7. If there are 210 strawberries how many blueberries are there?

Travka [436]

Answer:

There are 30 blue berries

Step-by-step explanation:

1:7

_:210

210/7

30

7 0

3 years ago