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dangina [55]
2 years ago
8

How many thousands equal 20 hundreds

Mathematics
1 answer:
Nady [450]2 years ago
3 0
<span><u><em>The correct answer is:</em></u>
2.

<u><em>Explanation</em></u><span><u><em>:</em></u>
20 hundreds =20*100=2000;
this is two thousand, so it is made of 2 thousands.</span></span>
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For the given position vectors r(t) compute the unit tangent vector T(t) for the given value of t .
algol13

Answer:

a) T(t) = \frac{}{5}=

T(4) =

b) T(t) = \frac{}{8\sqrt{37}}

T(4) =

c) T(t) = \frac{}{2425825977}

T(4) = \frac{1}{2425825977}

Step-by-step explanation:

The tangent vector is defined as:

T(t) = \frac{r'(t)}{|r'(t)|}

Part a

For this case we have the following function given:

r(t) =

The derivate is given by:

r'(t) =

The magnitude for the derivate is given by:

|r'(t)| = \sqrt{25 sin^2(5t) +25 cos^2 (5t)}= 5\sqrt{cos^2 (5t) + sin^2 (5t)} =5

And then the tangent vector for this case would be:

T(t) = \frac{}{5}=

And for the case when t=4 we got:

T(4) =

Part b

For this case we have the following function given:

r(t) =

The derivate is given by:

r'(t) =

The magnitude for the derivate is given by:

|r'(t)| = \sqrt{4t^2 +9t^4}= t\sqrt{4 + 9t^2}

|r'(4)| = \sqrt{4(4)^2 +9(4)^4}= 4\sqrt{4 + 9(4)^2} = 4\sqrt{148}= 8\sqrt{37}

And then the tangent vector for this case would be:

T(t) = \frac{}{8\sqrt{37}}

And for the case when t=4 we got:

T(4) =

Part c

For this case we have the following function given:

r(t) =

The derivate is given by:

r'(t) =

The magnitude for the derivate is given by:

|r'(t)| = \sqrt{25e^{10t} +16e^{-8t} +1}

|r'(t)| = \sqrt{25e^{10*4} +16e^{-8*4} +1} =2425825977

And then the tangent vector for this case would be:

T(t) = \frac{}{2425825977}

And for the case when t=4 we got:

T(4) = \frac{1}{2425825977}

5 0
3 years ago
You run 4 3/4 miles through a park each day. If you ran that distance 5 times last week, how many miles did you run?
Lelechka [254]
It;s simple you just take 4 3/4 and multiply it by 5
which is 23 3/4 or 23.75
7 0
3 years ago
Read 2 more answers
- 5(x - 3) + 4 Completely simplify the expression
Artemon [7]

Answer:

Step-by-step explanation:

08– Ao Fatorar a expressão

2+6+9

a solução correta

2 −9

Leia e responda:

5 0
3 years ago
Please help <br> I will mark brainlist
Naya [18.7K]

Answer:

B x = sqrt(48)

Step-by-step explanation:

Half of the bottom side measures 4.

4^2 + x^2 = 8^2

16 + x^2 = 64

x^2 = 48

x = sqrt(48)

Answer: B x = sqrt(48)

4 0
3 years ago
How many sixths are in 3 and 1 third ??
lorasvet [3.4K]
1 whole thing = 6 sixths
3 whole things = 18 sixths

1 third of a whole thing = 2 sixths of it

3 wholes plus 1 third = 18 sixths plus 2 sixths = 20 sixths
6 0
3 years ago
Read 2 more answers
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