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dsp73
3 years ago
8

Kdyknuokknhnonn :) if you get this imma marry you right here right now.

Mathematics
1 answer:
Annette [7]3 years ago
8 0

Answer:

its mean marry me right here right now

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The population of a town is 20,000 and is decreasing at a rate of 5% per year. What is the population after 23 years?
AVprozaik [17]
I believe the answer should be approximately 6,147 because you would plug into the equation y=20,000(.95)^t, where t=23.
6 0
3 years ago
The weights of bags of ready-to-eat salad are normally distributed with a mean of 290 grams and a standard deviation of 10 grams
pentagon [3]
290-10=280

280 is one standard deviation below.
All that are above mean is 50%.
One standard deviation below is 34%.
50%+34%=84%  all of these bags weigh more than 280 g.
So,
100%-84%=16%  should be bags that are less than 280 g.

Answer is b) 16 %.

5 0
3 years ago
The power generated by an electrical circuit (in watts) as a function of its current c (in amperes) is modeled by: P(c) = -12c^2
Ksenya-84 [330]

Answer:

The maximum power generated by the circuit is 300 watts.

Step-by-step explanation:

A quadratic function is one that can be written as an equation of the form:

f (x) = ax² + bx + c

where a, b and c (called terms) are any real numbers and a is nonzero.

In this case, f(x) is P(c) [the power generated], x is the current c (in amperes), a = -12, b = 120 and c = 0.

The vertex is a point that is part of the parabola, which has the value as ordered  minimum or maximum function. If the scalar a> 0, the parabola opens or faces up and the vertex is the minimum of the function. In contrast, if a <0, the parabola opens downward and the vertex is the maximum of the function.

The calculation of the vertex, which in this case will be the maximum of the function, is carried out as follows:

  • The value of x, in this case the value of current c in amperes, can be calculated with the formula c=\frac{-b}{2*a} . In this case: c=\frac{-120}{2*(-12)} So c= 5 amperes. The current is 5 amperes.
  • The value of y, in this case the value of the electric current in watts, is obtained by substituting the value of c previously obtained in the function. In this case: P(5)= -12*5²+120*5. So P(5)= 300 watts

<u><em>The maximum power generated by the circuit is 300 watts.</em></u>

7 0
3 years ago
Assuming all factors are real, factor x4 + y4.
guapka [62]
Could not factor further
7 0
3 years ago
Mary is learning to use her new exercise tracker wristband and cell phone app. Her stride measures 2feet, 8 inches.which of the
Lunna [17]

2 feet, 8 inches = 2 8/12 feet = 2 2/3 feet = 8/3

4500/(8/3)= 4500(3/8) = 1687 1/2 feet



7 0
3 years ago
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