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koban [17]
2 years ago
15

Factor with GCF 3x^2y + 6xy - 9xy^2

Mathematics
1 answer:
Vlad1618 [11]2 years ago
4 0

3x^2y+6xy-9xy^2\\\\=3xy(x+2-3y)

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Inessa [10]

Answer: yes

Step-by-step explanation:

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The math says expand 5(2-7x) what is the answer
kow [346]

Step-by-step explanation:

in my opinion

5(2- 7x)

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3 years ago
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
jeka57 [31]

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

(a-\gamma b)\cdot b = 0 = a\cdot b - (\gamma b)\cdot b= a\cdot b - \gamma b\cdot b

Recall that a\cdot b, b\cdot b are both real numbers, so by solving the value of γ, we get that

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

By construction, this γ is unique if b\neq 0, since if there was a \gamma_2 such that (a-\gamma_2b)\cdot b = 0, then

\gamma_2 = \frac{a\cdot b}{b\cdot b}= \gamma

6 0
3 years ago
I need help. Please answer! ✨✨✨
Butoxors [25]
The correct answer is B.
Feet below sea level means that the higher number, the lower the elevation. B has the highest number.
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lisov135 [29]
76

17+2=19
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I honestly don't know, cause I hate math.
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3 years ago
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