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tresset_1 [31]
3 years ago
6

Find the inner product for (-4,9,8) . (3,2,-2) and state whether the vectors are perpendicular.

Mathematics
1 answer:
drek231 [11]3 years ago
6 0

Answer:

-10; no

Step-by-step explanation:

<h2>-4*3 + 9*2 + 8*-2 = -10</h2><h2></h2><h2>-10 does not equal 0 so it is not perpendicular</h2>

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If a material has a high index of refraction, it has a 1 low optical density, and light travels more slowly through it. . high o
Archy [21]

Answer:

B. High optical density, and light travels more slowly through it.

Step-by-step explanation:

Refractive index is the property of a material that describes the change in the initial path of light and the rate at which light travels through it. And optical density of a material describes its absorption ability to rays or beam of light passing through it.

As the index of refraction of a material increases, therefore its optical density would increase. This would cause light to travel through it slowly. Unless the light has a high frequency.

A material with a high index of refraction has a high optical density, and light travels more slowly through it.

8 0
3 years ago
Workout the size of angle x
Rashid [163]

Answer:

220

Step-by-step explanation:

220

4 0
2 years ago
Write 63 as a product of prime factors in ascending order. I don't need the answer but the explanation as to my friends one was
seropon [69]

Answer:

Step-by-step explanation:

63=  3 * 3 * 7

63 will come in 7th table. 7*9. here 7 is a prime and 9 is composite number. 3*3 = 9. So 63 = 3*3*7

3 0
3 years ago
Read 2 more answers
What is the value of the digit 4 in the number 524897123
Katen [24]
The value of 4 in 524897123 is: 4,000,000
6 0
3 years ago
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At time t=3, there are 2.5 cubic feet of water in the tub. Write an equation for the locally linear approximation of W at t=3, a
velikii [3]

Answer:

W=0.8333*t

2.917 ft³

Step-by-step explanation:

At time t=3, there is 2.5 ft³ of water in the tub

Finding the relation will be;

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1=?

Rate=0.8333 ft³/min

W=0.8333 ft³ / min

W=0.8333*t

At t=3.5 will be;

1 min = 0.8333

3.5 min =?

Apply cross-production

3.5*0.8333 =2.917 ft³

4 0
3 years ago
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