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IrinaK [193]
2 years ago
12

You are draining your fish

Mathematics
2 answers:
Dvinal [7]2 years ago
5 0
Every minute, 0.6 gallons are emptied
d1i1m1o1n [39]2 years ago
5 0

Answer:

y=-3/4x+15/2

Step-by-step explanation:

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Find angle A in the following triangle. <br><br> A. 35.54 <br> B. 35.67<br> C. 36.24<br> D. 36.77
BartSMP [9]

Tan(Angle) = Opposite leg / Adjacent leg

Tan(A) = 5/7

A = Arctan(5/7)

A = 35.54 degrees.

3 0
3 years ago
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4 0
2 years ago
If x&gt;0, what values of c and d make the equations true?
pantera1 [17]

Answer:

In equation A, c = 7

In equation B, d = 5

Step-by-step explanation:

5 0
3 years ago
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What is true about the solution of x^2/2x-6=9/6x-18?
pogonyaev

Answer:

  • x = ±√3, and they are actual solutions
  • x = 3, but it is an extraneous solution

Step-by-step explanation:

The method often recommended for solving an equation of this sort is to multiply by the product of the denominators, then solve the resulting polynomial equation. When you do that, you get ...

... x^2(6x -18) = (2x -6)(9)

... 6x^2(x -3) -18(x -3) = 0

...6(x -3)(x^2 -3) = 0

... x = 3, x = ±√3

_____

Alternatively, you can subtract the right side of the equation and collect terms to get ...

... x^2/(2(x -3)) - 9/(6(x -3)) = 0

... (1/2)(x^2 -3)/(x -3) = 0

Here, the solution will be values of x that make the numerator zero:

... x = ±√3

_____

So, the actual solutions are x = ±3, and x = 3 is an extraneous solution. The value x=3 is actually excluded from the domain of the original equation, because the equation is undefined at that point.

_____

<em>Comment on the graph</em>

For the graph, we have rewritten the equation so it is of the form f(x)=0. The graphing program is able to highlight zero crossings, so this is a convenient form. When the equation is multiplied as described above, the resulting cubic has an extra zero-crossing at x=3 (blue curve). This is the extraneous solution.

7 0
3 years ago
Read 2 more answers
Is triangle ABC similar to triangle DEF? why or why not.
Lana71 [14]

Answer:

D

Step-by-step explanation:

Two triangles are congruent if they have the same three sides in proportion and they have exactly the same angles.

If the angles are different, the triangles are not similar.

3 0
3 years ago
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