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AfilCa [17]
2 years ago
12

Complete the point-slope equation of the line through

Mathematics
1 answer:
jek_recluse [69]2 years ago
8 0

Answer:

y +1 = 3/4(x -1)

Step-by-step explanation:

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grin007 [14]
If x represents the width of the poster (including borders), the area of the finished poster can be written as
.. a = x*(390/(x -10) +8)
.. = 8x +390 +3900/(x -10)

Then the derivative with respect to x is
.. da/dx = 8 -3900/(x -10)^2
This is zero at the minimum area, where
.. x = √(3900/8) +10 ≈ 32.08 . . . . cm
The height is then
.. 390/(x -10) +8 = 8 +2√78 ≈ 25.66 . . . . cm

The poster with the smallest area is 32.08 cm wide by 25.66 cm tall.

_____
In these "border" problems, the smallest area will have the same overall dimension ratio that the borders have. Here, the poster is 10/8 = 1.25 times as wide as it is high.
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3 years ago
What is the area of the figure 7 will mark brainiest
Masteriza [31]
The area is 27 inches
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3 years ago
2/3 divided by 8/7 =
Sauron [17]
So you do the recipical and multipy 7 by 2 and your fraction is 14/24 and simplify which you get 7/12
6 0
3 years ago
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PLEASE HELP!!!! WILL GIVE BRAINLIEST!!!In two or more complete sentences explain how you would set up and solve the following eq
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Peter's account is 910-40x, and Marla's account is 470-2x. This is a system, so you must find the number that makes both equations end up with the same number. Basically trial and error. Here is what I did:

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Let's try 13 next. 910-520=390 and 470-26=444. Now the number has to be lower.

Let's try 12. 910-480=430 and 470-24=446. Close, and a little lower.

11.5 is too low, and 11.7 is too high.  11.6 has Equation 1 at 446 and Equation 2 at 446.8. Very close!

It is somewhere around 11.6. I hope that this can give you a start in figuring it out, because I don't believe in giving the complete answer, because then you do not learn anything from it.

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Function 1 is defined by the equation y =
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Answer:

play a game it will help

Step-by-step explanation:

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