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3 years ago

Solve the proportion 36/17=41/x what is x

Mathematics

1 answer:

algol [13]3 years ago

4 0

Answer:

x=19.36111..

Step-by-step explanation:

to get this you would cross multiply

the equation: 36/17=41/x

which you do 36 * x = 17 * 41

divide each side by 36 to cancel it out and leave you with x

giving you (17*41)/36

do this in a calculator...

you get x=19.3611

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Compare 9.36 and 9.359

Sati [7]

Try this option (this is not the only way!):

1. the rule: if 'number_1' - 'number_2' > 0, then number_1>number_2. If 'number_1'-'number_2'<0, then number_2>number_1.

2. according to the rule above: 9.36-9.359=0.001. 0.001>0, it means, 9.36>9.359.

6 0

3 years ago

18 is what percent of 20

nirvana33 [79]

18 is 90% of 20
That is the correct answer :)

7 0

2 years ago

Tan(A+45°) - tan(A-45°) =2sec2A

weeeeeb [17]

Answer:

$\tan(A + 45 \degree) - \tan(A - 45 \degree) \\ \\ = \frac{ \tan(A) + \tan(45 \degree) }{1 - \tan(A) \tan(45 \degree) } - \frac{ \tan(A) - \tan(45 \degree) }{1 + \tan(A) \tan(45 \degree) } \\ \\$

but tan 45° is 1;

$= \frac{ \tan(A) }{1 - \tan(A) } - \frac{ \tan(A) }{1 + \tan(A) } \\ \\ \frac{\tan(A) + { \tan }^{3} A + \tan(A) - { \tan}^{3} A}{1 - { \tan }^{2} A } \\ \\ = (\frac{2 \tan(A) }{1 - { \tan }^{2} A}) \\ \\ = \frac{2 \sin(A) }{ \cos(A) } \times { \sec }^{2} A \\ \\ = \frac{2}{ \cos(2A) } \\ \\ = 2 \sec(2A)$

8 0

2 years ago

I need help with this asap<br><br> pleas add full list

creativ13 [48]

Answer:

Step-by-step explanation:

8 0

2 years ago

If parallelogram ABCD was reflected over the y-axis, reflected over the x-axis, and rotated 180°, where would point A′ lie?

Scilla [17]

Answer:

Point A would end up at (-4, 1). After being relfected over the y-axis it would be at (4, 1), after being relfected then over the x-axis it would lie at (4, -1). Finally after being rotated 180 degrees it would end up at (-4, 1)

8 0

2 years ago