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Mekhanik [1.2K]
3 years ago
11

Determine whether the statement is true or false. If it is true, explain why. If it is false, explain why or give an example tha

t disaproves the statement.
The dot product of parallel vectors is zero,
Mathematics
1 answer:
frosja888 [35]3 years ago
5 0

Answer:

False

Step-by-step explanation:

the <u>dot product</u> between two vectors A and B is:

A·B=ABcos\theta

where \theta is the angle between the vectors, if they are parallel, this angle is zero. so  \theta=0

and so the dot product is:

A·B =ABcos(0)

and since  cos (0)=1

the dot product is equal to

A·B=AB

The dot product of parallel vectors is NOT zero

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Answer:

1 4/35

Step-by-step explanation:

All I did was do 5/7 + 2/5.

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3 years ago
How do you right 2.1 in words
Lelu [443]
Answer: Two and one tenth.
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2 years ago
Applying properties of Exponents in exercise,use the properties of exponents to simplify the expression.See example 1.
evablogger [386]

Answer: a) 15625, b) 0.2, c) 625, d) 0.008.

Step-by-step explanation:

Since we have given that

a) (5^2)(5^3)

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(a^m)^n=a^{mn}

So, it becomes,

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(d) 5^{-3}

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Hence, a) 15625, b) 0.2, c) 625, d) 0.008.

4 0
3 years ago
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kaheart [24]

Answer:

x= -5/2

Step-by-step explanation:

4 - (2x+4)=5

4-2x-4=5

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x=-5/2

4 0
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Given that cos (x) = 1/3, find sin (90 - x)
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3 0
3 years ago
Read 2 more answers
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