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juin [17]
3 years ago
13

Write 0.45 as a fraction.

Mathematics
2 answers:
astra-53 [7]3 years ago
7 0

Answer:

9/20

Step-by-step explanation:

0.45 = 45/100

45/100=9/20 (divide numerator and denominator by 5)

Fed [463]3 years ago
5 0
This is the fraction for 0.45

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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
4 years ago
Which quadratic inequality does the graph below represent?<br> y&gt;x^2-3<br> y y y&gt;x^2+3
pychu [463]

Answer:

Third one

Step-by-step explanation:

the y intercept is -3 meaning it equals, leaving 1 or 3

and it’s the smallest y number so it has to be 3

Sorry for who ever uploaded the disturbing photos :(

Hope this help and have a nice day!

I’ll continue to report the, as I have all day and will contact Brainly again since this is another account

Here’s a cute dog image to remove the other photo from mind

7 0
3 years ago
Which of the following sequences of transformations is used to obtain figure A’ B’ C’ D’ from figure ABCD?
Amanda [17]

Answer:

Last one

Step-by-step explanation:

Imagine it as a mirror or like a paper folding in half, then figure out the direction it shifts.

4 0
3 years ago
Simply -5-3i/5-i<br> It says I need more characters
Sindrei [870]
Multiply by the conjugate and simplify.
−11/13 - 10i/13

7 0
3 years ago
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Ber [7]
Here are different ways to write it.

1). 3/4 x d

2).075 x d
6 0
4 years ago
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