2 years ago

CAN SOMEONE HELP ME PLEASE ASAP!?

Mathematics

1 answer:

zimovet [89]2 years ago

5 0

Answer:

4:1

Step-by-step explanation:

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Margarita [4]

Answer:

The correct option is c.

Step-by-step explanation:

Given that,

u = 7i+4j and v = 2i-3j

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$u{\cdot}v=(7i+4j){\cdot} (2i-3j)\\\\=(7i)(2i)+(4j)(-3j)\\\\=14-12\\\\=2$

So, the dot product of u and v is equal to 2.

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3 years ago

Which phrase describes the variable expression m + 5

Vikentia [17]

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bagirrra123 [75]

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3 years ago

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Marina86 [1]

Answer:

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Step-by-step explanation:

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2 years ago

Factor. 49x^2−36y^2 <br> Enter your answer in the boxes.

wel

$\\Rewrite \ in \ form.\\\\(7x)^2 - (6y)^2\\\\\\\\Use \ difference \ of \ squares \ rule.\\\\(7x + 6y) (7x - 6y)\\\\\\Therefore, \ you \ get \fbox{(7x+6y)&(7x-6y)}.$

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2 years ago