2 years ago

Help pls no li is I'll give you briliantest pls help pls pls pls pls pls pls pls pls pls pls

Mathematics

1 answer:

patriot [66]2 years ago

4 0

Answer:

40.5

I hope u get a good mark glll

Step-by-step explanation:

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Write your answer as a decimal or whole number.<br><br> ___% of $75=$42

Basile [38]

Answer:

x=56

Step-by-step explanation:

$\frac{x}{100}$ · $\frac{42}{75}$

then cross multiply

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The simple formula for price elasicity of demand is

insens350 [35]

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2 years ago

Please help.. (This is meant to be infinite, so I can't use a calculator)

Alex17521 [72]

Answer:

Step-by-step explanation:

→ Let x = √20 + √20 .....

→ Square both sides

x² = 20 + √20 +√20 + √20

→ Replace √20 +√20 + √20 with x

x² = 20 + x

→ Move everything to the left hand side

x² - 20 - x = 0

→ Factorise

( x + 4 ) ( x - 5 )

→ Solve

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→ Discard negative result

x = 5

7 0

2 years ago

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Help pls no li is I'll give you briliantest pls help pls pls pls pls pls pls pls pls pls pls​

Help pls no li is I'll give you briliantest pls help pls pls pls pls pls pls pls pls pls pls