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marissa [1.9K]
3 years ago
6

PLEASE HLEP !!

Mathematics
1 answer:
Elina [12.6K]3 years ago
7 0

Answer:

point D

Step-by-step explanation:

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Consider the points below. P(2, 0, 2), Q(−2, 1, 4), R(7, 2, 6)
Zina [86]

Answer: the vector orthogonal is  ( 0, 26, -13 )

Step-by-step explanation:

Given that;

P(2, 0, 2),  Q(−2, 1, 4), R(7, 2, 6)

PQ = Q - P = (−2, 1, 4) - (2, 0, 2) = (-4, 1, 2)

PR = R - P = (7, 2, 6)  - (2, 0, 2) = ( 5, 2, 4)

SO

orthogonal vector = PQ × PR

= ║ i    j    k

    -4   1   2          = i(1×4 - 2×2) + j(5×2 - (-4×4)) + k(-4×2 - 5×1) = 0i + 26j - 13k

     5   2   4  ║

= ( 0, 26, -13 )

Therefore the vector orthogonal is  ( 0, 26, -13 )

3 0
3 years ago
Lisa walked 48 blocks in 3 hours how much blocks per hours
FrozenT [24]
You just have to divide the number of blocks walked by the number of hours

48 / 3 = 16 blocks per hour
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3 years ago
Question 9
yan [13]
Answer: —> (d).........
5 0
3 years ago
To solve 493x = 3432x+1, write each side of the equation in terms of base
sleet_krkn [62]

<u><em>Answer</em></u>

= 3.405 × 10⁻⁴

<u>Explanation</u>

If the question is correctly written, then it is very easy.

First, take the like terms on one side.

493x = 3432x+1

493x - 3432x = 1

-2939x = 1

Dividing both sides by -2939 to get the value of x.

x = 1/(-2939)

= - 0.0003405

= 3.405 × 10⁻⁴

3 0
3 years ago
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30 miles per gallon
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