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Lyrx [107]
3 years ago
5

A building in a city has a rectangular base. The length of the base measures 65 ft less than three times the width. The perimete

r of this base is 950 ft. What is the dimensions of the base?

Mathematics
1 answer:
AfilCa [17]3 years ago
4 0

Answer:

b= 135 a= 340

Step-by-step explanation:

  1. construct two equations
  2. insert the right side of the first equation in place of a in the second.
  3. calculate b
  4. insert the value of b into the first equation
  5. calculate a

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The number of bacteria in a culture is expected to grow 82% per hour over the next several hours. The predicted change in the nu
Advocard [28]
If my simplification is valid the answer is:

1.4 % growth each minute

I don’t feel like the representation
P = 120(1.82) is important in this certain problem.

So P the predicted number of bacteria is not practical with this problem.

Use the 82% per hour and divide it by 60 because there are 60 minutes in an hour.

When doing this you find the rate in which bacteria grows which is about 1.4%.

The prediction is about 1.82 percent for 120 something it’s not clarified, but I’m guessing that’s minutes.

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2 years ago
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Evgen [1.6K]
See attached picture for answer

8 0
3 years ago
How do you find the missing number of a perfect square trinomial?<br><br> 25x^2 - 60x + ___
Harrizon [31]

Answer:

  36

Step-by-step explanation:

Compare what you have to the square ...

  (a +b)^2 = a^2 +2ab +b^2

Your "a" is √(25x^2) = 5x

Your "2ab" is -60x. Since you know "a", you can find "b".

  2ab = -60x

  2(5x)b = -60x . . . . . . . substitute for "a"

  b = -60x/(10x) = -6

Then the missing term is b^2 = (-6)^2 = 36.

Your trinomial is ...

  25x^2 -60x +<u>36</u>

4 0
3 years ago
PLEASE HELP!! WILL MARK BRAINLIEST TO WHOEVER GETS IT RIGHT
coldgirl [10]
I’m sorry, I don’t know perpendicular but I would love to help.
5 0
3 years ago
Read 2 more answers
(9r^2+4r-7)+(3r^2-3r)
bixtya [17]

Answer:

12r2+r−7

Step-by-step explanation:

hope it helped

8 0
3 years ago
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