15 points and BRAINLIEST A town determined that the function f(x) =820(0.97)X models the number of speeding tickets issued in the town x years after 2000. Which statement is true about the
number of speeding tickets issued each year?
A)
The number of tickets is decreasing by 3% each year.
B)
The number of tickets is decreasing by 97% each year.
The number of tickets is increasing by 3% each year.
D
The number of tickets is increasing by 979% each year.
Answers
Answer:
The number of tickets is increasing by 97% each year
Step-by-step explanation:
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Work out the volume of a cuboid of edge 4cm by 4cm by 7cm
Answers
Final answer:
The question, which pertains to algebra, is asking for the solution to three equations involving three numbers. To solve the problem, we set up equations based on the information provided and then solve for the three unknowns. The solution is 10, 24, and 14.
Explanation:
This problem can be addressed using algebraic equations. We are given three unknown numbers a, b, and c. The problem provides us with the following information:
- The average of a, b, and c is 16, which means the sum of the three numbers is 48 (because 16 * 3 = 48).
- The second number, b, plus 20 equals the sum of the other two, a + c.
- The third number, c, equals the sum of the first two numbers minus four, or a + b - 4.
Using these equations, we can solve for a, b, and c. Our steps are:
- Substitute the values of a + b from the third equation into the second to get b + 20 = 2b - 4.
- Solve this equation to get b = 24.
- Substitute b = 24 into the first equation to get a + c = 24. This means a = c.
- Substitute a = c into the third equation to get 2a = 28, or a = c = 14.
So, the three numbers are 10, 24, and 14.
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Answers
The discriminant is 0. As the discriminant is 0 it will have equal roots.
And the real root is -2/3.
What is a Quadratic Equation?
In algebra, a quadratic equation is any equation that can be rearranged in a standard form where x represents an unknown, and a, b, and c represent known numbers, where a ≠ zero.
Conclusion: If a = zero, then the equation is linear, no longer quadratic, as there's no ax^2 term.
9+12x+4=0
a = 9 ; b = 12; c = 4;
discriminant = Δ = - 4ac
Δ = - (4*9*4) = 144 - 144 = 0
roots of quadratic equations are [ (-b ± √Δ)/ 2a)]
let roots of eqation are x1 & x2
As discriminant is zero so, x1=x2
x1 = x2 = -b/2a = - 12/(2*9) = -2/3
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Answer:
hello :
9x^2+12x+4=0
a = 9 b = 12 c = 4
the discriminant Δ = b² - 4ac = 12² - 4(9) (4 ) =144 - 144 = 0
x1 = x2 = - b/2a = -12/18 = - 2/3
the real root is : - 2/3
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y = 3(x - 2)(x - 2) - (x - 5)(x - 5)
y = 3(x(x - 2) - 2(x - 2)) - (x(x - 5) - 5(x - 5))
y = 3(x(x) - x(2) - 2(x) + 2(2)) - (x(x) - x(5) - 5(x) + 5(5))
y = 3(x² - 2x - 2x + 4) - (x² - 5x - 5x + 25)
y = 3(x² - 4x + 4) - (x² - 10x + 25)
y = 3(x²) - 3(4x) + 3(4) - (x²) + (10x) - (25)
y = (3x² - 12x + 12) + (-x² + 10x - 25)
y = (3x² - x²) + (-12x + 10x) + (12 - 25)
y = 2x² - 2x - 13
+ 13 + 13
y + 13 = 2x² - 2x + 0.5
y + 13 + 0.5 = 2(x² - x + 0.25)
y + 13.5 = 2(x² - 0.5x - 0.5x + 0.25)
y + 13.5 = 2(x(x) - x(0.5) - 0.5(x) + 0.5(0.5))
y + 13.5 = 2(x(x - 0.5) - 0.5(x - 0.5))
y + 13.5 = 2(x - 0.5)(x - 0.5)
y + 13.5 = 2(x - 0.5)²
- 13.5 - 13.5
y = 2(x - 0.5)² - 13.5
Answer: on Edge its choice D or 2(x - 1/2)^2 - 27/2
Step-by-step explanation:
The other guy has the same answer just in decimal form and I'm a big brain boy so I helped out