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Pani-rosa [81]
3 years ago
14

How would you know if two vectors are perpendicular?

Mathematics
2 answers:
Temka [501]3 years ago
7 0

Answer:

If their dot product is equal to 0, the two vectors are perpendicular.

Bezzdna [24]3 years ago
4 0
<span>get their dot product, if the dot product is 0, then they're orthogonal (perpendicular).

also keep in mind that, if two vectors bear the same slope, namely <a,b> and <c,d>  and the simplified slope b/a  is the same value as d/c, then they're parallel vectors.</span>
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3. (5 + 2) = (3 . 5) + (3 . 2) *
UNO [17]

Answer:

C) Distributive Property

Step-by-step explanation:

You're <em>distributing</em> in the 3 when you multiply it by the 5 and the 2 in the algebraic process:

 ➦  ➦

3•(5 + 2) = (3 • 5) + (3 • 2)

So, the 3 was <em>distributed</em> between the 5 and 2 when you multiplied.

Hence, this is the distributive property.

8 0
3 years ago
Question: Find Angle S<br><br> SOMEONE PLEASE HELP WILL GIVE BRAINLEST!
fenix001 [56]

Answer: 45

Step-by-step explanation:

S is 45 (labelled on the diagram)

4 0
3 years ago
3. A train set costs $120.00. Find the discount if it is on sale for<br> 30% off.
Leno4ka [110]

Answer:

36

Step-by-step explanation:

To find the discount, you will need to find 30% of $120, so you will need to do:

120*0.3=36

Also, if you were asking for the COST if it was 30% off, it would be 84 as 120-36=84.

(I hope this helps!)

4 0
2 years ago
Read 2 more answers
Help will give 25 brainlest points
Alekssandra [29.7K]

Step-by-step explanation:

The ratio of the two shorter legs of the top triangle is

\dfrac{5}{4} = 1.25

The bottom triangle has the following ratio:

\dfrac{7.5}{6} = 1.25

Since their ratios are the same, this means that the two triangles are similar.

6 0
2 years ago
What is the value of X in the equation 4 3/10(2 2/5x+ 5 1/2)= 1/2( -3 3/5x + 1 1/5)?
Irina18 [472]

Answer: x= -1.02 or -95/93 or -1  2/93

                               

Step-by-step explanation:

7 0
3 years ago
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