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castortr0y [4]
3 years ago
7

18=a Over 2 How do you solve that as a one step

Mathematics
1 answer:
Sedbober [7]3 years ago
5 0
"a" is being divided by 2.
You want a alone, not divided by 2.
The operation that is opposite to division is multiplication.
Multiplication undoes division.
Multiply a/2 by 2 to get a.
A rule of equations is that you must do the same operation to both sides of the equation, so you must multiply both sides by 2.

18 = a/2

18 * 2 = a/2 * 2

36 = a

a = 36
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If you can, give the explanation. I'm finding these very difficult.
Goryan [66]

Answer:

Gustavo

Step-by-step explanation:

if anything this looks like 38-19n, if the first term is n=1.

But as that isn't an option, gustavo should be correct, as his sequence would go down by 19 each time (yuki's would go up by 19 each time, not down like the sequence shows)

3 0
3 years ago
Arrange the numbers in descending order. 374430,802343,980377​
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980377,802343,374430

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Ellen is taking some friends on a picnic. They'll need to follow a path to get the picnic spot. A map of the path is based on a
Andreyy89
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3 years ago
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arsen [322]

Answer/Step-by-step explanation:

1. The figure is composed of a triangle and a rectangle.

Area of the triangle = ½*base*height

base = 4 ft

height = 12 - 8 = 4ft

Area of triangle = ½*4*4 = 8 ft²

Area of rectangle = length * width

Length = 8 ft

Width = 4 ft

Area of rectangle = 8*4 = 32 ft²

✔️Area of the figure = 8 + 32 = 40 ft²

2. The figure is composed of a semicircle and a triangle

Area of the semicircle = ½(πr²)

radius (r) = 3 cm

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3 years ago
-8x-27=-7\left(1+2x\right)+2x
Darina [25.2K]

Answer:

x=5

Step-by-step explanation:

-8x-27=-7\left(1+2x\right)+2x

Expand:

-8x-27=-7\times 1-7\times 2x+2x

-8x-27=-7-12x

Add 27 to both sides:

-8x-27+27=-7-12x+27

-8x=-12x+20

Add 12x to both sides:

-8x+12x=-12x+20+12x

4x=20

Divide both sides by 4:

\frac{4x}{4}=\frac{20}{4}

x=5

5 0
3 years ago
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