Answer:
a + b =1
Step-by-step explanation:
Write the given quadratic as x^2 – 1x – 90 = 0. This factors into
(x - 10)(x + 9) = 0, and so the roots/solutions are {-9, 10}.
If we call -9 "a" and 10 "b," then the sum a + b is -9 + 10, or a + b =1.
Answer:
$2.20
Step-by-step explanation:
If you want to leave a 20% tip, multiply the cost by 0.20 to get the tip amount or multiply the cost by 1.20 to get the total including tip.
The translation of the question is:
<h3>What are solar parks?</h3>
The solar park is a concentrated zone of development of solar power generation projects and provides developers an area that is well characterized, with proper infrastructure and access to amenities and where the risk of the projects can be minimized.
How many solar parks are there in China?
- Huanghe Hydropower Hainan Solar Park – 2.2GW
- Tengger Desert Solar Park – 1.55GW
- Datong Solar Power Top Runner Base – 1.1GW
- Yanchi Ningxia Solar Park – 1GW
- Longyangxia Dam Solar Park – 850MW
Learn more about solar energy here:
brainly.com/question/9704099
#SPJ1
The answer is $52.98 because you divide the percent by 100 then multiply the total by .06 then add that to your total.
Refer to the photo taken.
