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loris [4]
4 years ago
13

Urs

Mathematics
1 answer:
solniwko [45]4 years ago
8 0

Answer:860-545=315

315/15=21 21 decades

Step-by-step explanation:

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Question 1. Determine whether the vectors u and v are parallel, orthogonal, or neither. u = <10, 6>, v = <9, 5>? Que
kupik [55]
Angle between two vectors = arc cos [(u.v)/(abs(u) x abs (v))]
u.v = (10 x 9) + (6 x 5) = 90 + 30 = 120
abs (u) = \sqrt{ 10^{2}+ 6^{2}} = \sqrt{100+36} = \sqrt{136} =11.66
abs (v) = \sqrt{ 9^{2}+ 5^{2}} = \sqrt{81+25} = \sqrt{106} =10.30
Angle between the two vectors = arc cos [120 / (11.66 x 10.30)] = arc cos [120 / 120.1] = arc cos [1] = 0
Since the angle between the two vectors is 0,
therefore, the angles are parallel
5 0
3 years ago
Solve for u.<br> -4+2 u = -10<br> Simplify your answer as much as possible.
aliya0001 [1]

Answer:

u = -3

Step-by-step explanation:

Step 1: Write equation

-4 + 2u = -10

Step 2: Solve for <em>u</em>

<u>Add 4 to both sides:</u> 2u = -6

<u>Divide both sides by 2:</u> u = -3

Step 3: Check

<em>Plug in x to verify if it's a solution.</em>

-4 + 2(-3) = -10

-4 - 6 = -10

-10 = -10

3 0
4 years ago
Use figure ABCD draw a line segment from point B to D. Name and classify the triangles formed
TEA [102]
The two triangles formed will be ADB and BCD

Hope this helps :)
8 0
3 years ago
Solve the inequality 2x – 1 &gt; 7. Use set-builder notation.
marusya05 [52]

Answer:

x > 4

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
ANSWER ALL FOUR FOR BRAINLIEST
sergij07 [2.7K]

Answer: (in fractions)

a. 1/4096

b. 1/15625

c. 1/16807

d. 1/432

7 0
3 years ago
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