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3 years ago

7w + 6(3w + 9) Help ASAP

Mathematics

2 answers:

jok3333 [9.3K]3 years ago

6 0

Answer: 25w+54

Step-by-step explanation:

Distribute:

=7w+(6)(3w)+(6)(9)

=7w+18w+54

Combine Like Terms:

=7w+18w+54

=(7w+18w)+(54)

=25w+54

Answer:

=25w+54

inessss [21]3 years ago

3 0

Answer:

25w + 54

Step-by-step explanation:

7w + 6(3w + 9)

7w + 18w + 54

25w + 54

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$\bold{sin(38^\circ)=cos(52^\circ)}$

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Given that $\triangle KJL$ is a right angled triangle.

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Kindly refer to the attached image of $\triangle KJL$ in which all the given angles are shown.

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Solution:

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$sin(\angle JLK) = \dfrac{JK}{KL}\\OR\\sin(38^\circ) = \dfrac{JK}{KL}$ ....... (1)

Now, let us find out the values of trigonometric functions given in options one by one:

$cos\theta =\dfrac{Base}{Hypotenuse}$

$cos(\angle JLK) = \dfrac{JL}{KL}\\OR\\cos(38^\circ) = \dfrac{JL}{KL}$ ....... (2)

By (1) and (2):

sin(38°) $\neq$ cos(38°).

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Comparing equations (1) and (3):

we get the both are same.

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