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Margaret [11]
2 years ago
12

If 25x2 – 35x – 18 is written as a2 – 7a – 18, what is a in terms of x? a =

Mathematics
1 answer:
Margarita [4]2 years ago
5 0

Answer:

a = 5x

Step-by-step explanation:

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I believe it is 8.40
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A sweater originally costing $80 is now on sale for $60. determine the percent decrease.30% %
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If you spent 58 minutes doing English homework and 47 minutes doing math homework how much more time did you need to spend doing
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58 minutes

Step-by-step explanation:

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2 years ago
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What is the height of a cone whose volume is 16 cubic units and whose radius is 3 units?
erica [24]

Answer:

Square the radius, and then divide the radius squared into the tripled volume. For this example, the radius is 2. The square of 2 is 4, and 300 divided by 4 is 75. Divide the amount calculated in Step 2 by pi, which is an unending math constant that begins 3.14, to calculate the cone's height.

Step-by-step explanation:

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6 0
3 years ago
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Ira Lisetskai [31]

We are told that Tristan is planting a garden that's square shaped and its area is 64 square meters.  Because 8 * 8 = 64, we have a square where each side is 8 meters along.

From an algebra point of view, where s is a side of the square,

s² = 64

s = 8 or s = -8 by taking square roots of both sides

s = 8 by discarding the -8 (lengths cannot be negative)

Now that we know a square's side we need its perimeter. Each side is the same, so a square's perimeter is four times a side.

4 * 8 = 32, which is our perimeter.


Therefore 32m² of material are needed.

3 0
3 years ago
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