If the area is 30 inches. What is the perimeter

2 answers:

8 0

If the area is 30 inches, then the length must be 5 and the width must be 6, so 10+12=22 which is your perimeter. I got 10 with 5x2 and 12 with 6x2. Then you add it together because the formula for perimeter is (lengthx2) +(widthx2)! Just in case you need an explanation.

Vika [28.1K]3 years ago

5 0

You would beed to say how long the width and kength is. There are a lot of different answers to that question without a specific width or length

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Step-by-step explanation:

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Orthogonalizing vectors. Suppose that a and b are any n-vectors. Show that we can always find a scalar γ so that (a − γb) ⊥ b, a

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Answer:

$\\ \gamma= \frac{a\cdot b}{b\cdot b}$

Step-by-step explanation:

The question to be solved is the following :

Suppose that a and b are any n-vectors. Show that we can always find a scalar γ so that (a − γb) ⊥ b, and that γ is unique if $b \neq 0$ . Recall that given two vectors a,b a⊥ b if and only if $a\cdot b =0$ where $\cdot$ is the dot product defined in $\mathbb{R}^n$ . Suposse that $b\neq 0$ . We want to find γ such that $(a-\gamma b)\cdot b=0$ . Given that the dot product can be distributed and that it is linear, the following equation is obtained