3 years ago

GAMES At the Befrway Outlet store, you buy x

Mathematics

1 answer:

gizmo_the_mogwai [7]3 years ago

4 0

Y= 13x+4x
y equals the amount of money spent

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The price of a radio was $20. It is on sale for $15. What is the percent of change in the price of a radio?

ki77a [65]

Answer:

15%

Step-by-step explanation:

set up 15/20= x/100

cross multiply to solve for x

1500=20x

x= 75

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~~

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KiRa [710]

ANSWER

$2 \sqrt{42} +7 \sqrt{2}- 6- \sqrt{21}$

EXPLANATION

The given product is:

$( \sqrt{14} - \sqrt{3} )( \sqrt{12} + \sqrt{7} )$

We expand using the distributive property to obtain:

$\sqrt{14}( \sqrt{12} + \sqrt{7}) -\sqrt{3}( \sqrt{12} + \sqrt{7} )$

Extract the perfect squares to get:

$\sqrt{14}(2 \sqrt{3} + \sqrt{7}) -\sqrt{3}( 2\sqrt{3} + \sqrt{7} )$

Expand further to get;

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This simplifies to,

$2 \sqrt{42} +7 \sqrt{2}- 6- \sqrt{21}$

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3 years ago

How many orders of magnitude is $1000 than a nickel?

Leto [7]

I'm pretty sure it is a $20 bill...

Hope this helped :D good luck!!! have a nice day. :D

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