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ss7ja [257]
2 years ago
9

Two of the angles of a triangle measure 50° and 80°. Classify the triangle.

Mathematics
1 answer:
denis-greek [22]2 years ago
6 0

Answer:

B) Scalene

because if in an isosceles triangle,2 angles are the same while equilateral have 3 angles the same

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1
alukav5142 [94]

Answer:

what is this

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
A rectangular tank with a square​ base, an open​ top, and a volume of 8 comma 7888,788 ft cubedft3 is to be constructed of sheet
Vlad [161]

Answer:

  26 ft square by 13 ft high

Step-by-step explanation:

The tank will have minimum surface area when opposite sides have the same total area as the square bottom. That is, their height is half their width. This makes the tank half a cube. Said cube would have a volume of ...

  2·(8788 ft^3) = (26 ft)^3

The square bottom of the tank is 26 ft square, and its height is 13 ft.

_____

<em>Solution using derivatives</em>

If x is the side length of the square bottom, the height is 8788/x^2 and the area is ...

  x^2 + 4x(8788/x^2) = x^2 +35152/x

The derivative of this is zero when area is minimized:

  2x -35152/x^2 = 0

  x^3 = 17576 = 26^3 . . . . . multiply by x^2/2, add 17576

  x = 26

_____

As the attached graph shows, a graphing calculator can also provide the solution.

5 0
3 years ago
Order from longest side to shortest side.
skad [1K]
The fourth one down is the correct answer trust me
7 0
3 years ago
Read 2 more answers
Suppose y varies inversely with x and y=20 when x=5. Write an equation for the inverse variation.
Viktor [21]
K = 20 • 5 or 20 = k/5
4 0
3 years ago
Y=7 and x= 6, perpendicular , parallel or neither?
timurjin [86]

Answer:

I think the answer is neither. Hope this helps.

Step-by-step explanation:


4 0
3 years ago
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