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satela [25.4K]
3 years ago
10

If y = 2x3 – 4x and dx, dt equals 4, find dy, dt when x = 1. give only the numerical answer. for example, if dy, dt = 3, type on

ly 3.
Mathematics
1 answer:
Rufina [12.5K]3 years ago
4 0
<span>y= 2*3-4x;
    differentiate with respect to t we get dy = -4xdt; -- eqn 1
   given dt = 4 substitute in eqn 1 we get , dy =-4 x( 4) = -16x; --eqn2
  given x=1 then sub then the value of x in eqn 2 we get dy = -16(1)=-16
   ie Ans dy = -16</span>
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castortr0y [4]

Answer:

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3 years ago
Firewood can be sold in cords. the wood is cut into equal lengths and stacked evenly in a rack. which geometric shape can be use
Nadya [2.5K]

To estimate the volume of the chord of wood, since the wood exists cut into equal lengths and stacked evenly in a rack then we can use a cylinder as a model.

<h3>What is a cylinder?</h3>

In mathematics, a cylinder exists as a three-dimensional solid that holds two parallel bases joined by a curved surface, at a fixed distance. These bases exist normally circular (like a circle) and the center of the two bases exists joined by a line segment, which exists named the axis.

A cylinder exists as a closed solid that contains two parallel circular bases joined by a curved surface.

To calculate the volume of the chord of wood, since the wood exists cut into equal lengths and stacked evenly in a rack then we can use a cylinder as a model.

To learn more about cylinders refer to:

brainly.com/question/8531193

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7 0
2 years ago
Three basketball teams measured the height of each player on their team. The table shows the mean and the mean absolute deviatio
Dimas [21]

Answer:

(A) and (D)

Step-by-step explanation:

It is given that Three basketball teams measured the height of each player on their team.

Team  Mean height (cm) MAD (cm)

Bulldogs  165                          6.9

Panthers  177                          7.1

Warriors  176                        4.8

From the information given, The heights of the Bulldogs’ players vary more than do the Warriors’ heights and The heights of the Panthers’ players and those of the Warriors vary about the same amount.

Therefore, option A and d are the correct statements about the data given.

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3 years ago
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6. 3.75
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