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Sveta_85 [38]
2 years ago
15

Which relationships hold true for the sum of the magnitudes of vectors u and v, which are perpendicular

Mathematics
1 answer:
alexgriva [62]2 years ago
3 0
||u+v||=sq rt(||u||^2+||v||^2) ... Think of the pythagorean theorem
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Lught herzu <br><img src="https://tex.z-dn.net/?f=%20%7Bx%7D%5E%20%7B2%7D%20%20-%20xy%20%2B%20%20%7Bx%7D%5E%7B2%7D%20%20%20-%20x
Andrej [43]

Answer:

sry I can't understand how to do this question

3 0
2 years ago
Read 2 more answers
What are the zeros of the function g(x) = (x + 6) (x – 4)(x + 2) ?
vitfil [10]

9514 1404 393

Answer:

  x in {-6, -2, 4}

Step-by-step explanation:

The zero product rule tells you that a product will be zero if and only if one of the factors is zero. These binomial factors are zero when x has a value that is opposite the constant of the binomial.

  x +6 = 0   ⇒   x = -6

  x -4 = 0   ⇒   x = 4

  x +2 = 0   ⇒   x = -2

The zeros of the function are the x-values -6, -2, and 4.

5 0
3 years ago
What is the value of 4/5 minus 2/3?<br><img src="https://tex.z-dn.net/?f=4%2F5%20%20-%20%202%2F3" id="TexFormula1" title="4/5 -
Dafna1 [17]

2/15

4/5-2/3

convert so they have the same denominator

12/15-10/15

solve

2/15

4 0
2 years ago
Evaluate the expression 3.14(a2 + ab) when a = 4 and b = 3. (Input decimals only, such as 12.71, as the answer.
kondaur [170]

Answer:

87.92

Step-by-step explanation:

3.14(a²+ab)=

<em>Plugging in values for a and b</em>

3.14(4²+4×3)=

3.14(16+12)=

3.14(28)=

87.92

6 0
3 years ago
Read 2 more answers
Help me please . quick :)
ycow [4]

Answer:

x= 1

QS = 10 cm

QRS = 40cm

Step-by-step explanation:

4x + 1 = 5x

x= 1 cm

QS = 4x + 1 + 5x

= 9x + 1

= 9 + 1

= 10cm

QRS perimeter

QS + RQ + RS but ( RQ = RS)

= 10 + 15 + 15

= 40cm

3 0
2 years ago
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