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Natalka [10]
3 years ago
7

I am in 8th grade and i need help on Pre Algebra could you help me?

Mathematics
1 answer:
Morgarella [4.7K]3 years ago
7 0

Answer:

Sure, what do you need help on?

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You may use a spreadsheet for this one. If $60 is put in an account that gets 7% per year, and I add $15 at the end of each year
Nutka1998 [239]
You will have approximately $257 at the end of 8 years.
3 0
3 years ago
The ages of several trees on school property are shown below: 3 years, 8 years, 10 years, 14 years, 11 years What is the mean ag
almond37 [142]
3+8+10+14+11= 46 
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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

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2 years ago
Solve the system of equations using the linear combination method.
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