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Alisiya [41]
2 years ago
13

Determine whether the function x2 = –y – 2 is quadratic or not. Explain.

Mathematics
1 answer:
Savatey [412]2 years ago
6 0

Answer:

Yes, it is.

Step-by-step explanation:

  • A quadratic function always has x^{2}
  • x≠0

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2x+10=6(x-1) What does x equal
Gennadij [26K]

Answer:

x=4

Step-by-step explanation:

2x+10=6(x-1)

2x+10=6x-6

10=6x-2x-6

10=4x-6

16=4x

4=x

4 0
3 years ago
In 2014, the population of China was 1.39 billion. Compare China’s 2014 population to the world population with a ratio. Write y
pychu [463]

Answer:

Faction of population = 1.39 / 7.2

Percentage of population = 19.3% (Approx.)

Step-by-step explanation:

Given:

China's population in 2014 = 1.39 billion (Approximately)

Find:

Compare China's population to world population

Computation:

World's population in 2014 = 7.2 billion (Approximately)

Faction of population = China's population in 2014 / World's population in 2014

Faction of population = 1.39 / 7.2

Percentage of population = [China's population in 2014 / World's population in 2014]100

Percentage of population = [1.39/7.2]100

Percentage of population = [0.193]100

Percentage of population = 19.3% (Approx.)

6 0
3 years ago
answer you were looking for? Tap for more options... − ( − 6 ) ± √ − 6 2 − 4 ( − 2 ) ( 1 ) 2 ( − 2 ) - ( - 6 ) ± - 6 2 - 4 ( - 2
PSYCHO15rus [73]

Answer:

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( 390 ) − 4 cot ( − 45 ) sin ( 330 )

Step-by-step explanation:

7 0
3 years ago
Are all diagonals also lines of symmetry in a polygon?
3241004551 [841]
No not all diagonal lines are lines of symmetry! Because if you take a piece of notebook paper and fold it in half the side do not match up! hope this helps :)
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3 years ago
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