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julsineya [31]
3 years ago
8

Plzz hellpldppdopbdjdj​

Mathematics
2 answers:
qwelly [4]3 years ago
7 0

your answer is 91 square feet

Natasha2012 [34]3 years ago
6 0

Answer:

78 squared feet

Step-by-step explanation:

area= base x height

so 6 x 13 = 78

and yeah

HOPE I HELPED:))

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R leaks out of a barrel so that the rate of change in the water level is proportional to the square root of the depth of the wat
Irina-Kira [14]
Let y(t) represent the level of water in inches at time t in hours. Then we are given ...
  y'(t) = k√(y(t)) . . . . for some proportionality constant k
  y(0) = 30
  y(1) = 29

We observe that a function of the form
  y(t) = a(t - b)²
will have a derivative that is proportional to y:
  y'(t) = 2a(t -b)

We can find the constants "a" and "b" from the given boundary conditions.
At t=0
  30 = a(0 -b)²
  a = 30/b²
At t=1
  29 = a(1 - b)² . . . . . . . . . substitute for t
  29 = 30(1 - b)²/b² . . . . . substitute for a
  29/30 = (1/b -1)² . . . . . . divide by 30
  1 -√(29/30) = 1/b . . . . . . square root, then add 1 (positive root yields extraneous solution)
  b = 30 +√870 . . . . . . . . simplify

The value of b is the time it takes for the height of water in the tank to become 0. It is 30+√870 hours ≈ 59 hours 29 minutes 45 seconds
5 0
3 years ago
Subtract. 4 1/5 -2 9/10
Lerok [7]
4 1/5 - 2 9/10 = 4 2/10 - 2 9/10 = 3 12/12 - 2 9/10 = 1 3/10. Hope this helped
3 0
3 years ago
Read 2 more answers
What’s is (3,-4) reflecting over the x axis
Zina [86]

Answer:

3,4

Step-by-step explanation:

You just reflect

3 0
3 years ago
A radio disc jockey has 8 songs on this upcoming hour's playlist: 2 are rock songs, 2 are reggae songs, and 4 are country songs.
JulsSmile [24]
P(Reggae) = 1/4
P(Rock) = 1/4

Probability of one after the other is 1/4 × 1/4 = 1/16
4 0
3 years ago
Evaluate 11-(-8)-(-3)
VMariaS [17]

Answer:

22

Step-by-step explanation:

11-(-8)-(-3)

19-(3)

19+3

22

hope i helped:)

6 0
3 years ago
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