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stepladder [879]
3 years ago
13

What does +79 - 21 =

Mathematics
1 answer:
valina [46]3 years ago
5 0
Lol the answer is 58
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What is the minimum or maximum value of the equation of this equation?<br> f(x) = -(x-8)^2 -30​
Snezhnost [94]

9514 1404 393

Answer:

  f(8) = -30 is the maximum

Step-by-step explanation:

The equation is that of a parabola in vertex form:

  y = a(x -h)^2 +k . . . . . . . . (h, k) is the vertex; 'a' is the scale factor

Comparing this form to the given equation, we have ...

  f(x) = -(x -8)^2 -30

  • a = -1
  • h = 8
  • k = -30

That is, the scale factor is -1, and the vertex is (8, -30).

When the scale factor is negative, the graph opens downward and the vertex is a maximum. The maximum value is -30.

8 0
3 years ago
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(x2 − 8x + 5) − (−3x2 + 5x − 9)
julia-pushkina [17]
(X²-8X+5)-(-3X²+5X-9)
=X²-8X+5+3X²-5X+9
=4X²-13X+14
That's your answer lovely~
7 0
3 years ago
A cube has a surface area of 2646 cm squared what is its volume ​
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Answer:

9261

Step-by-step explanation:

V=6A3/2

36=6·26463/2

36=9261

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3 years ago
Bill removed the ten of spades and the king of hearts from a deck of standard playing cards and threw them in the trash. There w
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Answer:

Step-by-step explanation:

2 if you mean 1 of each so it would be 50 cards

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3 years ago
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