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3 years ago

Can yalll help me with this is due today

Mathematics

2 answers:

cricket20 [7]3 years ago

7 0

Answer:

the answer is axis of symmetry

Step-by-step explanation:

symmetry technically means perfectly in half. one side is the same as the other.

ollegr [7]3 years ago

3 0

I’m pretty sure the answer is “axis of symmetry”, hope this helped! :)

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il63 [147K]

3 months im pretty sure

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3 years ago

Determine the slope of the line that has the following coordinates: (2, -1) (7, -1)

vazorg [7]

Answer:

Y over X axis pretty sure

So your answer is 2 over -1 if 2 is the Y and 7 over -1 if 7 is the Y

7 0

3 years ago

A local club is arranging a charter flight to Hawaii. The cost of the trip is $586 each for 80 passengers, with a refund of $

professor190 [17]

Answer:

a) The number of passengers that will maximize the revenue received from the flight is 99.

b) The maximum revenue is $48,609.

Step-by-step explanation:

We have to analyse two cases to build a piecewise function.

If there are 80 or less passengers, we have that:

The cost of the trip is $586 for each passenger. So

$R(n) = 586n$

If there are more than 80 passengers.

There is a refund of $5 per passenger for each passenger in excess of 80. So the cost for each passenger is

$R(n) = (586 - 5(n-80))n = -5n^{2} +400n + 586n = -5n^{2} + 986n$ .

So we have the following piecewise function:

$R(n) = \left \{ {{586n}, n\leq 80 \atop {-5n^{2} + 986n}, n > 80} \right$

The maxium value of a quadratic function in the format of $y(n) = an^{2} + bn + c$ happens at:

$n_{v} = -\frac{b}{2a}$

The maximum value is:

$y(n_{v})$

So:

(a) Find the number of passengers that will maximize the revenue received from the flight.

We have to see if $n_{v}$ is higher than 80.

We have that, for $n > 80$ , $R(n) = -5n^{2} + 986n$ , so $a = -5, b = 986$

The number of passengers that will maximize the revenue received from the flight is:

$n_{v} = -\frac{b}{2a} = -\frac{986}{2(-5)} = 98.6$

Rounding up, the number of passengers that will maximize the revenue received from the flight is 99.

(b) Find the maximum revenue.

This is $R(99)$ .

$R(n) = -5n^{2} + 986n$

$R(99) = -5*(99)^{2} + 986*(99) = 48609$

The maximum revenue is $48,609.

8 0

3 years ago

A sequence has its first term equal to 4, and each term of the sequence is obtained by adding 2 to the previous term. If f(n) re

ra1l [238]

The answer is the fourth option - <span>f(1) = 4 and f(n) = f(n − 1) + 2; n > 1
</span>
The first term is 4, So, f(1) = 4
The difference between two consecutive integer = 2, so, n = (n-1) + 2
It would be Option D) f(1) = 4 and f(n) = f(n − 1) + 2; n > 1

Hope this helps!

5 0

4 years ago

NEED HELP ASAP 100 POINTS AND WILL GIVE BRAINLIEST!!!

lesantik [10]

Answer:

area of a deck

A= External area - Internal area

A = length x width

A = ( 44ft x 28ft) - ( 32ft x 16ft)

<u> A = 720ft²</u>

7 0

2 years ago