3 years ago

the bike is on sale for $130. if the original price of the bike $200, what is the percent discount ?

1 answer:

8 0

Part percent
—— = ————. I use that method a lot and it helped me. ANSWER:65%
Whole 100

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tamaranim1 [39]

You get everything you need from factoring the last expression:

$x^4-y^4=-176\sqrt7$

The left side is a difference of squares, and we get another difference of squares upon factoring. We end up with

$x^4-y^4=(x^2-y^2)(x^2+y^2)=(x-y)(x+y)(x^2+y^2)$

Plug in everything you know and solve for $x-y$ :

$-176\sqrt7=(x-y)\cdot4\cdot22\implies x-y=\boxed{-2\sqrt7}$

4 0

3 years ago

tatuchka [14]

It is D , if you plus into a calculator it simplifies for you !!

5 0

3 years ago

sesenic [268]

Just like counting imaginary dots on the #s

4+1=5

8 0

2 years ago

Mrac [35]

-8-(-1)-5

-8+1-5

-7-5

-13

3 0

3 years ago

stira [4]

Answer:

0.36

Step-by-step explanation:

0.6 squared is 0.36

it is essentially 6 times 6 but as a decimal

6 0

2 years ago