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3 years ago

15

The question is in the picture

2 answers:

nirvana33 [79]3 years ago

6 0

Answer:

2w+4=35

Explanation:

If we use W as the variable to represent the two bags of equal weight, you would put 2w, which represent the two bags. Since the package is 4 kg, the equation would then become 2w+4=35 as the total weight if the baggage James has is 35 kg if you combine the weight of the package and the checked bags

jenyasd209 [6]3 years ago

4 0

Answer:

D) 2 W + 4 = 35

Step-by-step explanation:

Just took the test and got 100%

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Answer:

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Given:

A right triangle on a coordinate plane.

To find:

The area of a triangle.

Solution:

We know that, the area of a triangle is

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3 years ago

Use Euler's formula to derive the identity. (Note that if a, b, c, d are real numbers, a + bi = c + di means that a = c and b =

storchak [24]

Answer with Step-by-step explanation:

We have to prove that

$sin 2\theta=2sin\theta cos\theta$ by using Euler's formula

Euler's formula : $e^{i\theta}=cos\theta+isin\theta$

$e^{i(2\theta)}=(e^{i\theta})^2$

By using Euler's identity, we get

$cos2\theta+isin2\theta=(cos\theta+isin\theta)^2$

$cos2\theta+isin2\theta=(cos^2\theta-sin^2\theta+2isin\theta cos\theta)$

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Comparing imaginary part on both sides

Then, we get

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Hence, proved.

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4 years ago