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uranmaximum [27]
2 years ago
14

3x² - 5x+2

Mathematics
1 answer:
Daniel [21]2 years ago
8 0
A) 8x squared -7x-4
combine like terms
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An animal reserve has 40,000 elk. The population increases 11% a year. How long tell the population is equal to 80,000. If someo
Natasha2012 [34]

Answer:

7 years (This answer is to the nearest year)

Step-by-step explanation:

The way you could work this out is by trial and error. 11 % a year means that its population increases by 4400 annually. 40,000 X 1.11^1 gives you the amount it would be after one year (44000). I got the 1.11 because of the percentage (0.11) plus the amount you need to do percentage increase (1). Then all you do is keep on going up till you hit the number you need (80,000) after about 7 years the total would have hit 80,000 and would have actually went past it (83046)

6 0
3 years ago
The bakery manager at the grocery store marks down the price of bread by 18%. Shanaya purchases 5 loaves of bread. The expressio
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5(b - 0.18b).....use the distributive property
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3 0
3 years ago
Given the function LaTeX: f\left(x\right)=-5x^2-x+20f ( x ) = − 5 x 2 − x + 20, find LaTeX: f\left(2\right)f ( 2 ). Group of ans
BartSMP [9]

The value of f(2) is -2 ⇒ 1st answer

Step-by-step explanation:

The form of the quadratic function is;

f(x) = ax² + bx + c, where

  • a is the coefficient of x²
  • b is the coefficient of x
  • c is the numerical term
  • x is the domain of the function and f(x) is the range of the function

∵ f(x) = -5x² - x + 20

- f(2) means value f(x) at x = 2

∵ x = 2

- Substitute x in the function by 2 to find f(2)

∵ f(2) = -5(2)² - (2) + 20

∴ f(2) = -5(4) - 2 + 20

∴ f(2) = -20 - 2 + 20

∴ f(2) = -2

The value of f(2) is -2

Learn more:

You can learn more about the function in brainly.com/question/12363217

#LearnwithBrainly

6 0
2 years ago
4. You must be at least 48 inches tall to ride an amusement park ride, and
ZanzabumX [31]

Answer: 48-39= 9

9 inches

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
Elena needs to find a table that will fit three cube-shaped cases, each containing a frog. If the volume of each case is 1,000 c
storchak [24]

Answer:

A is 30 inches

b is Yes

c

Step-by-step explanation:

7 0
2 years ago
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