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Natasha2012 [34]
2 years ago
11

Please procedure and solution 2 x |-6|-3 x |2|+|-14|=​

Mathematics
1 answer:
lora16 [44]2 years ago
5 0

Applying the rule of modulus for given values, the expression will result to 20.

<h3>What is Modulus or Absolute Values</h3>

The modulus of a value for example |a|=a if a is greater than or equal to zero

and also

|a|=-a if a is less than zero

In the expression given; the modulus of -6 written as

|-6|=-(-6) this is because the value is less than zero

The modulus of 2 written as; |2|=2 this is because the value is greater than zero. and;

|The modulus of -14 written as; |-14|= -(-14) since the value is less than zero.

Hence, we can rewrite the expression as;

we deal with multiplication first following the rules of BODMAS

2×-(-6)-3×2+[-(-14)]

2×6-6+14

and thus adding values

12+14-6

and finally we subtract;

26-6

which will results to the solution of 20.

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Im not sure how to answer this question.
bonufazy [111]

9514 1404 393

Answer:

  (-4√494)/13i +(6√494)/13k ≈ -6.8388i +0j +10.2585k

Step-by-step explanation:

To answer this question, you need to know two things:

  1) the direction of vector v

  2) the magnitude of vector u

__

<u>direction of v</u>

A direction is specified by a "unit vector", one with the proper ratio of components, and a magnitude of 1. It is found from a given vector by dividing that vector by its magnitude.

The unit vector in the v direction is ...

  v/|v| = (-2i +3k)/(√((-2)² +3²) = (-2i +3k)/√13

__

<u>magnitude of u</u>

The magnitude of vector u is ...

  |u| = √(5² +(-2)² +3²) = √38

__

Then the desired vector is ...

  (2|u|)(v/|v|) = 2√38(-2i+3k)/√13 = (-4√494)/13i +(6√494)/13k

_____

<em>Additional comment</em>

We have chosen to "rationalize the denominator" by writing √(38/13) as (√494)/13.

3 0
3 years ago
I NEED HELP GUYS PLEASE!!!! AP STATISTICS
julsineya [31]

Just count how many times a given age appears in the data. If my eyes aren't deceiving me, I count

• 26: 3

• 27: 5

• 28: 5

• 29: 5

• 30: 2

• 31: 1

• 33: 4

Then the second most frequent age in the data is 33, and the least frequent is 31.

6 0
3 years ago
List the steps taken to find the area of a triangle. Find the area of the
ICE Princess25 [194]

Answer:

base x height / 2

I'm guessing 10 and 17 are the base and height

10 x 17 = 170

170 / 2 = 85

85 is the area

Hope this helps

Step-by-step explanation:

5 0
3 years ago
Which Two triangles are similar to A ADB
qaws [65]

Answer:

DBA

Step-by-step explanation:

4 0
4 years ago
explain how you can determine if a triangle is a right triangle. (make it look like a middle schooler wrote it :) )
allsm [11]

Answer:

if one of the angles is 90°

Step-by-step explanation:

when it has an angle that is 90° that means that it is a right triangle

let me know if you need more b/c I wasn't sure whether to make it more advanced for middle school lol

Hope this helps! :)

7 0
3 years ago
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