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Marizza181 [45]
2 years ago
10

I'm so sorry for asking about this, I know I know how to solve this, but my mind keeps pulling a blank, please help!

Mathematics
1 answer:
cricket20 [7]2 years ago
5 0

Answer:

add like terms

y=-3+1x-y=6

ok, umm 3 times 2= 6 right? don’t know why there are two = signs try plus -y to positive y and that would give you

y=-3+1x+6

i hate trying to solve these algebraically

hope this got you somewhere

Step-by-step explanation:

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What is the answer and the work i have to do to get to it
harina [27]

Answer:

B

Step-by-step explanation:

4 0
2 years ago
A bakery finds that the price they can sell cakes is given by the function p = 580 − 10x where x is the number of cakes sold per
HACTEHA [7]

Answer:

A) Revenue function = R(x) = (580x - 10x²)

Marginal Revenue function = (580 - 20x)

B) Fixed Cost = 900

Marginal Cost function = (300 + 50x)

C) Profit function = P(x) = (-35x² + 280x - 900)

D) The quantity that maximizes profit = 4

Step-by-step explanation:

Given,

The Price function for the cake = p = 580 - 10x

where x = number of cakes sold per day.

The total cost function is given as

C = (30 + 5x)² = (900 + 300x + 25x²)

where x = number of cakes sold per day.

Please note that all the calculations and functions obtained are done on a per day basis.

A) Find the revenue and marginal revenue functions [Hint: revenue is price multiplied by quantity i.e. revenue = price × quantity]

Revenue = R(x) = price × quantity = p × x

= (580 - 10x) × x = (580x - 10x²)

Marginal Revenue = (dR/dx)

= (d/dx) (580x - 10x²)

= (580 - 20x)

B) Find the fixed cost and marginal cost function [Hint: fixed cost does not change with quantity produced]

The total cost function is given as

C = (30 + 5x)² = (900 + 300x + 25x²)

The total cost function is a sum of the fixed cost and the variable cost.

The fixed cost is the unchanging part of the total cost function with changing levels of production (quantity produced), which is the term independent of x.

C(x) = 900 + 300x + 25x²

The only term independent of x is 900.

Hence, the fixed cost = 900

Marginal Cost function = (dC/dx)

= (d/dx) (900 + 300x + 25x²)

= (300 + 50x)

C) Find the profit function [Hint: profit is revenue minus total cost]

Profit = Revenue - Total Cost

Revenue = (580x - 10x²)

Total Cost = (900 + 300x + 25x²)

Profit = P(x)

= (580x - 10x²) - (900 + 300x + 25x²)

= 580x - 10x² - 900 - 300x - 25x²

= 280x - 35x² - 900

= (-35x² + 280x - 900)

D) Find the quantity that maximizes profit

To obtain this, we use differentiation analysis to obtain the maximum point of the Profit function.

At maximum point, (dP/dx) = 0 and (d²P/dx²) < 0

P(x) = (-35x² + 280x - 900)

(dP/dx) = -70x + 280 = 0

70x = 280

x = (280/70) = 4

(d²P/dx²) = -70 < 0

Hence, the point obtained truly corresponds to a maximum point of the profit function, P(x).

This quantity demanded obtained, is the quantity demanded that maximises the Profit function.

Hope this Helps!!!

8 0
2 years ago
Mayumi has the boxes shown at the right. The total number of objects in two of the boxes is the same as the number of objects in
mylen [45]
X+x=y
or
2x=y
where x= first 2 boxes
           y= last box
4 0
3 years ago
Quick algebra 1 assignment for 50 points!
Sati [7]

As per definition

In. a function every domain has an unique range of it

  • f(x)=y

Here

  • f(4)=6
  • f(10)=-2
  • f(13)=7
  • d(15)=8
  • f(10)=11

f(10) has two corresponding values hence it's not a function

8 0
2 years ago
Pls hurry <br>in xyz if x= 90 and y=45 whats the measure of z​
Liono4ka [1.6K]

Answer:

z = -4050

Step-by-step explanation:

x × y × z

90 × 45 × z

4050 = -z

4050 = -z \ × -1

-4050 = z

5 0
3 years ago
Read 2 more answers
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