Answer:
Step-by-step explanation:
A) looks pretty good
Answer:
<span>
</span><span><span><span>−<span>9<span>x^2</span></span></span>−<span>2<span>y^3</span></span></span>+<span>2<span>x^2</span></span></span>−<span>2<span>y^<span>3
</span></span></span>
=<span><span><span><span><span><span>−<span>9<span>x^2</span></span></span>+</span>−<span>2<span>y^3</span></span></span>+<span>2<span>x^2</span></span></span>+</span>−<span>2<span>y^<span>3</span></span></span></span><span>
Work:
</span><span>
</span>=−9x^2+−2y^3+2x^2+−2y^3
=<span><span>(<span><span>−<span>2y^3</span></span>+<span>−<span>2y^3</span></span></span>)</span>+<span>(<span><span>−<span>9x^2</span></span>+<span>2x^2</span></span><span>)
</span></span></span>
<span>=<span><span>−<span>4y^3</span></span>+<span>−<span>7x^2</span></span></span></span>
<span>
</span><span>
</span>
Answer: Each peice of wood is equal to 0.625
Step-by-step explanation:
15/2 = 7.5
7.5/12 = 0.625
Answer:
The answer for the value of x is, x=20
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.