$x\ \diamond\ y=(x+y)^2-(x-y)^2=x^2+2xy+y^2-(x^2-2xy+y^2)\\\\=x^2+2xy+y^2-x^2+2xy-y^2=4xy\\\\\sqrt5\ \diamond\ \sqrt5=4\cdot\sqrt5\cdot\sqrt5=4\cdot5=20$

5 0

3 years ago

1. Jennifer earns 25% commission as a salesperson for her company. If she sells $1850 worth of product, how much commission does

elixir [45]

Answer:

$462.50

Step-by-step explanation:

Find 25% of 1850:

1850(0.25)

= 462.5

So, she earns $462.50 in commission

7 0

3 years ago

How many flyers can we buy?

Rudiy27

Answer: 1760

Step-by-step explanation:

Cost of 1 flyer = $0.25 or 25 cents

Budget is = $555

Let us assume that supplies cost is a one time cost

Cost of supplies for one time = $115

So budget remains =

So in $0.25 we get = 1 flyer

In $440 we get = = 1760

Hence, we can buy 1760 flyers.

hope this helped

8 0

2 years ago

How many real sixth roots are in 15,625?

Murljashka [212]

There are two real roots (5 and -5) and 4 imaginary roots

3 0

3 years ago