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natulia [17]
3 years ago
11

Square root 25a^2. help me pls its a emergency

Mathematics
1 answer:
Vadim26 [7]3 years ago
4 0
5a is ur answer!!!!!
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The cost for a pack of 8 padlocks is 19.20. Find the unit price in dollars per padlock. if necessary, round your answer to the n
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19.2 / 8 = 2.4
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How do I multiply fractions by whole numbers
Volgvan
Multiplying fractions by whole numbers:
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Area can be defined as the number of cubic units it takes to fill the inside of a
RoseWind [281]

Answer:

False

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3 years ago
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Use the given x and y values to write a direct variation<br> equation.<br> x = 2, y = 30
exis [7]

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Step-by-step explanation:

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3 years ago
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Write the vector u as a sum of two orthogonal vectors, one of which is the vector projection of u onto v
blagie [28]
U = ( -8 , -8)
v = (-1 , 2 )
<span>the magnitude of vector projection of u onto v =
</span><span>dot product of u and v over the magnitude of v = (u . v )/ ll v ll
</span>
<span>ll v ll = √(-1² + 2²) = √5
</span>
u . v = ( -8 , -8) . ( -1 , 2) = -8*-1+2*-8 = -8 
∴ <span>(u . v )/ ll v ll = -8/√5</span>
∴ the vector projection of u onto v = [(u . v )/ ll v ll] * [<span>v/ ll v ll]
</span>
<span>                          = [-8/√5] * (-1,2)/√5 = ( 8/5 , -16/5 )
</span>
The other orthogonal component = u - ( 8/5 , -16/5 )
                                   = (-8 , -8 ) - <span> ( 8/5 , -16/5 ) = (-48/5 , -24/5 )
</span>
So, u <span>as a sum of two orthogonal vectors will be
</span>
u = ( 8/5 , -16/5 ) + <span>(-48/5 , -24/5 )</span>










3 0
3 years ago
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