cboyland05 cboyland05
  • 12-08-2020
  • Mathematics
contestada

-k^2-(7k-5n)+9n
k= -1
n= -2

Respuesta :

hbj
hbj hbj
  • 12-08-2020

Answer:

-k² - (7k - 5n) + 9n

-(-1)² - [7(-1) - 5(-2)] + 9(-2)

-1 - [-7 - (-10)] - 18

-1 - 3 - 18

= -22

Answer Link

Otras preguntas

I’ve never really been good at the maths Would really appreciate the help
A school survey says that 75%, or 294 of the 8th graders, have a cell phone. How many 8th graders are there?
what is the surface area of the right rectangular pyramid I don't know how to work these so if someone could help me out please​
Joe has a part time job that he make $645.60 a month what expression could be used to find the amount Joe earns working any number of months
On the top of the hill lives a hermit find out subject and predicate
Can I have some assistance?
I need help for this three questions: 1.Explain what is meant by the policy of containment? 2.List three examples of containment? 3.why was the location of wes
56×y÷9+5-7=???????????????​
Riley, an engineer for super seed corporation, learns that super seed has developed a corn hybrid to triple the output of any farm. riley buys 10,000 shares of
Joe, a hiker, stands at the top of a hill on a trail above the ocean. Joe's friend Dave is just starting out at the trailhead, which is at the beach. Which sta