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bulgar [2K]
3 years ago
11

What is work shown for 3 + 2/5x = -1

Mathematics
1 answer:
polet [3.4K]3 years ago
5 0

Answer:

x = -1/10

Step-by-step explanation:

3 + 2/5x = -1

multiply through by 5x to make the equation linear

3 × 5x + 2/5x × 5x/1 = -1 × 5x

15x + 2 = -5x

collect like terms

15x + 5x = -2

20x/20 = -2/20

x = - 1/10

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–24 + 12d = 2(d – 3) + 22 what does e=
Kitty [74]

Answer:

d = 4

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

  • -24 + 12d = 2(d-3) + 22
  • -24 + 12d = (2)(d) + (2)(-3) + 22
  • -24 + 12d = 2d -6 + 22
  • 12d - 24 = 2d + 16

Step 2: Subtract 2d from both sides.

  • 12d - 24 - 2d = 2d + 16 - 2d
  • 10d - 24 = 16

Step 3: Add 24 to both sides.

  • 10d - 24 + 24 = 16 + 24
  • 10d = 40

Step 4: Divide both sides by 10.

  • \frac{10d}{10} = \frac{40}{10}
  • d = 4

Therefore, d = 4! I hope this helped you.

6 0
3 years ago
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20 to 25 percent change
inna [77]
A change from 20 to 25 represents a positive change (increase) of 25% Percent change = [(20 - 25) / 20] x 100 = 25 % (increase)Where: 20 is the old value and 25 is the new value. In this case we have a positive change (increase) of 25 percent because the new value is greater than the old value.

Hope this helps :)

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3 years ago
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strojnjashka [21]

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4 years ago
What is the approximate area
podryga [215]

Answer:

2827.43in²

Step-by-step explanation:

formula for area of a circle is r²π with r being the radius (30 in this case)

we can plug in 30 for r to solve for the area

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6 0
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What is it called when transformation of the plane which reflects each point and then translates it called
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The figures in a plane can be reflected, rotated, translated or dilated to produce new figures or images.

A transformation that moves all points to the same distance and in the same direction. The final figure looks the same, just moved over. It does not flip or gets rotated. It also does not change size.This type of translation is called glide reflection. Its the summation of translation and reflection.

6 0
4 years ago
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