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Oksi-84 [34.3K]
3 years ago
6

PLEASE PLEASE HELP ME

Mathematics
2 answers:
Sidana [21]3 years ago
6 0
Sum of angle in a triangle is 180, so 33+70+x=180
x=77
x and y are vertical angles so y=77
Ludmilka [50]3 years ago
6 0

Answer:

<u>x = 77</u>

Step-by-step explanation:

All angles in a triangle equal to: 180

70 + 33 = 103

180 - 103 = <u>77</u>

Have a nice day!

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Aleks [24]
Hope this is what you're looking for. 

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3 years ago
Read 2 more answers
A group of hikers walks 3 miles east and then 1 mile north. After taking a break, they then hike 4 miles east to their final des
geniusboy [140]

Answer:

The vector that describes their hike from their starting position to their final destination is \vec r = 7\,\hat{i}+1\,\hat{j}\,\,\,[mi].

Step-by-step explanation:

In this problem we assume that orthogonal axes coincide with the north and east. We proceed to translate each sentence from statement into vectorial equations:

(i) <em>A group of hikers walks 3 miles east and then 1 mile north:</em>

\vec r_{A} = 3\,\hat{i}+1\,\hat{j}\,\,\,[mi]

(ii) <em>After taking a break, they then hike 4 miles east to their final destination:</em>

\vec r_{B} = 4\,\hat{i}\,\,\,[mi]

The vector that describes their hike from their starting position to their final destination is the sum of the vectors deducted above. That is:

\vec r = \vec r_{A}+\vec r_{B}  (1)

\vec r = (3\,\hat{i}+1\,\hat{j})+4\,\hat{i}\,\,\,[mi]

\vec r = 7\,\hat{i}+1\,\hat{j}\,\,\,[mi]

The vector that describes their hike from their starting position to their final destination is \vec r = 7\,\hat{i}+1\,\hat{j}\,\,\,[mi].

6 0
3 years ago
Which equation represents the line shown on he graph?
hichkok12 [17]
It is the first one ...w= 3z+2
4 0
3 years ago
There's the 2nd part but I've already done that. I just need an answer or help with this.
guapka [62]
I believe the answer is 644=200+12a
5 0
4 years ago
If the magnitude of vector u is ||u||=7.81 and its angle of direction is 129.81°, which graph represents vector -u?
Triss [41]

Answer:

  see attached

Step-by-step explanation:

The vector -u will be in the opposite direction of u. The magnitude is 7.81, but the angle is 129.81° -180° = -50.19°. A graph of it is attached.

_____

The (x, y) components are ...

  7.81(cos(-50.19°), sin(-50.19°)) ≈ (-5.00, -6.00)

4 0
2 years ago
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