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poizon [28]
3 years ago
6

What is the 4 digit code

Mathematics
1 answer:
GaryK [48]3 years ago
3 0

Answer:

The 4 digit code is 4 3 2 1

Step-by-step explanation:

It is because its the only possible way

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A company produces two types of solar panels per year: x thousand of type A and y thousand of type B. The revenue and cost equat
jolli1 [7]

Answer:

  • 7000 type A
  • 6000 type B

Step-by-step explanation:

We assume your equations are intended to be ...

C(x,y)=x^2-2xy+9y^2+3x-87y-6\\R(x,y)=5x+7y

Then the profit equation is ...

P(x,y)=R(x,y)-C(x,y)=5x+7y-x^2+2xy-9y^2-3x+87y+6\\=-x^2+2xy-9y^2+2x+94y+6

The partial derivatives of profit with respect to x and y are zero when profit is maximized.

  ∂P/∂x = 0 = -2x +2y +2

  ∂P/∂y = 0 = 2x -18y +94

Simplifying, these equations are ...

  • y = x -1
  • x -9y = -47

Substituting the first into the second gives ...

  x -9(x -1) = -47

  -8x = -56

  x = 7

  y = 7 -1 = 6

The company will maximize profit by selling 7000 panels of type A and 6000 panels of type B.

5 0
3 years ago
Someone please help with this question for my baby sister
Aleks04 [339]

Answer: HI! its B

Step-by-step explanation:

have a great day tell your sis i said hi!

8 0
2 years ago
If m<13=m<15=m<7, what conclusions can you make about lines a, b, c, and d?
Strike441 [17]

Answer:

option D

Lines a and b are parallel and lines c and d are parallel.

Step-by-step explanation:

Given in the question four lines a , b, c, d.

<h3>Prove one</h3>

If two parallel lines (a,b) are cut by a transversal(d), then corresponding angles m<7 and m<15 are congruent.

They are know as corresponding angles.

Hence lines a and b are parallel.

<h3>Prove two</h3>

If two parallel lines (c,d) are cut by a transversal(d), then corresponding angles m<13 and m<15 are congruent.

They are know as corresponding angles

Hence lines c and d are parallel

5 0
3 years ago
Susan needs material for her school project. She buys 3.75 yards of material at $5.72 a yard. What is the total cost of the mate
elena55 [62]

Answer: $21.45

Step-by-step explanation:

FACTS:

1 yard costs $5.72.

She bought 3.75 yards

Total cost= cost per yard x number of yards

Total: t

t= 5.72x3.75

t= $21.45

She spent $21.45 for 3.75 yards of material

8 0
1 year ago
Read 2 more answers
In the diagram above, angle 1 = 2x+20 and<br>angle 2 = 3x+10. Find the measure of angle 1. ​
anzhelika [568]

Answer:

angle 1 is equal to 40°

Step-by-step explanation:

angles 1 and 2 are congruent due to alternate interior angles of parallel lines. This means that 2x+20=3x+10, solving this leaves us with x=10. Since angle 1 = 2x +20 and x=10, solve to get 2(10)+20 =20+20 = 40

7 0
3 years ago
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