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bogdanovich [222]
3 years ago
6

X to the power of 2+ 2X plus 3X to the power of 2+ 4X subtract 2X to the power of 2+ X

Mathematics
1 answer:
eimsori [14]3 years ago
8 0

Answer:

4x+12

Step-by-step explanation:

2x + 2 \times  { }^{2}  + 6x + 12 x ^{2}  - 4x +  - 2x ^{2}

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Suppose that you had two squares, a small one and a large one. The area of the large square is twice that of the small square. H
WARRIOR [948]

Answer:

The side length of the large square is √2 times larger than the side length of the small square.

Step-by-step explanation:

Suppose we have a small square (square 1) and a large square (square 2). The area of the large square is twice that of the small square, that is,

A₂ = 2 A₁

A₂/A₁ = 2 [1]

The area of a square is equal to the length of the side (l) raised to the second power.

A = l²

l = √A

The ratio of l₂ to l₁ is:

l₂/l₁ = √A₂ / √A₁ = √(A₂/A₁)

We can replace [1] in the previous expression.

l₂/l₁ = √2

The side length of the large square is √2 times larger than the side length of the small square.

7 0
2 years ago
The equation y = 8.5x - 77.5 is a linear model for data comparing the
Lady_Fox [76]

Answer:

305 feet

Step-by-step explanation:

you only need to replace the given data into the equation.

the value (y) is the one you are being asked to find and (x) is the given one

so:

y=8.5(x)-77.5

y=8.5(45)-77.5

y=382.5-77.5

y=305

since the units are given, you instantly know that y=305feet

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