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3 years ago

What is the measure of the missing angle? Please answer fast!

Mathematics

2 answers:

vodomira [7]3 years ago

7 0

Answer:

hope this helps

have a good day :)

Step-by-step explanation:

svetoff [14.1K]3 years ago

7 0

Hope this helps :)

Answer:

48 degrees

Subtract 132 from both sides, and you get the other interior angle has a measure of 48 degrees. Now, to take that and figure out the missing angle.

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Simone can archange $100 for 300 Swiss francs. At that rate, how many dollars would a 330-franc Swiss

makvit [3.9K]

Answer:

450

Step-by-step explanation:

4 0

2 years ago

74.80 decreased by 45%

ASHA 777 [7]

Use a multiplication problem of 74.80*0.45, and you get an answer of <span>33.66.

</span>

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3 years ago

I need help proving this ASAP

Ket [755]

Answer:

See explanation

Step-by-step explanation:

We want to show that:

$\tan(x + \frac{3\pi}{2} ) = - \cot \: x$

One way is to use the basic double angle formula:

$\frac{ \sin(x + \frac{3\pi}{2} ) }{\cos(x + \frac{3\pi}{2} )} = \frac{ \sin(x) \cos( \frac{3\pi}{2} ) + \cos(x) \sin( \frac{3\pi}{2}) }{\cos(x) \cos( \frac{3\pi}{2} ) - \sin(x) \sin( \frac{3\pi}{2}) }$

$\frac{ \sin(x + \frac{3\pi}{2} ) }{\cos(x + \frac{3\pi}{2} )} = \frac{ \sin(x) ( 0) + \cos(x) ( - 1) }{\cos(x) (0) - \sin(x) ( - 1) }$

We simplify further to get:

$\frac{ \sin(x + \frac{3\pi}{2} ) }{\cos(x + \frac{3\pi}{2} )} = \frac{ 0 - \cos(x) }{0 + \sin(x) }$

We simplify again to get;

$\frac{ \sin(x + \frac{3\pi}{2} ) }{\cos(x + \frac{3\pi}{2} )} = \frac{- \cos(x) }{ \sin(x) }$

This finally gives:

$\frac{ \sin(x + \frac{3\pi}{2} ) }{\cos(x + \frac{3\pi}{2} )} = - \cot(x)$

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3 years ago

It took John 12 hours riding his bike to make the round trip to his uncle's. If he averaged 20 mph out and 30 mph back, how long

notsponge [240]

Answer:

Step-by-step explanation:

Let the time taken by the john to get to his uncle be x.

Let the time taken by the john to get back from his uncle be y.

So,

x+y=12 ------ equation 1

According to the given velocities:

20x=30y

x=3/2y

Put the value x=3/2y in equation 1

3/2y+y =12

3y+2y/2=12

3y+2y=12*2

5y=24

y=24/5

y=4.8h

Now put the value of y in x=3/2y

x=3/2*4.8

x=14.4/2

x=7.2h ....

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2 years ago

4. Solve the following equation: 9x - 6 +7x = 16x - 6

Mashutka [201]

Answer: the answer is 0=0

Step-by-step explanation:

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2 years ago