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3 years ago

What is -2 3/4 divided by 5/-9 as a fraction

Mathematics

2 answers:

sladkih [1.3K]3 years ago

8 0

The quotient is 19/20 and it's simplified. c:

Vilka [71]3 years ago

4 0

- 2 3/4 ÷ 5/-9 = - 11/4 x -9/5 = 99/20 = 4 19/20

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Solve for x -3(-3x-1) +2x+2=27

Zielflug [23.3K]

Answer:

$x=2$

Step-by-step explanation:

So we have the equation:

$-3(-3x-1)+2x+2=27$

First, distribute the -3:

$9x+3+2x+2=27$

Combine like terms:

$11x+5=27$

Subtract 5 from both sides:

$11x=22$

Divide both sides by 11:

$x=2$

So, the value of x is 2.

And we're done!

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4 years ago

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What does it mean when two lines are parallel? What does this tell you about the equations?

Dahasolnce [82]

Answer:

it means that the 2 lines will never meet, and that there will be no point where 2 things are the same amount

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3 years ago

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What is the amplitude of y = 4sin3x? 1/2 2 3 4

liubo4ka [24]

The most generic sine function you can write is

$y = A\sin(\omega x + \phi) + k$

Of all these constant, $A$ affects the amplitude, $\omega$ affects the wave length, $\phi$ and $k$ cause horizontal/vertical translation.

In your case, $A = 4,\quad \omega = 3,\quad \phi = k = 0$

And we are interested in the amplitude, so we focus on $A = 4$

The amplitude of the standard sine function is 1, so when you multiply by $A$ , the new amplitude is $A$ itself. In our case $A = 4$ , so the amplitude is 4.

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3 years ago

Simplify the following

irga5000 [103]

$\huge\fbox{Answer ☘}$

$\bold\blue{( - 8z) {}^{2} } \\\bold{ = > 64z {}^{2} }$

hope helpful~

8 0

3 years ago

The manager of a radio station decides that on each successive evening (7 days per week), a Beethoven piano sonata will be playe

VashaNatasha [74]

Answer:

3 years, 11 months and 10 days

Step-by-step explanation:

Beethoven wrote

32 piano sonatas

9 symphonies

5 piano concertos

By the fundamental principle of counting there are

32 times 9 times 5 ways of combining these pieces in the required order.

32 times 9 times 5 = 1,440

As there are 365 days in a year, the policy decided by the manager could be continued during

1,440/365 = 3.9452 years.

But 3.9452 years = 3 years + 0.9452 years.

As 1 year equals 12 months

0.9452 years = 11.3424 months

11.3424 months = 11 months+0.3424 months

As 1 month = 30 days

0.3424 months = 10.27 days = 10 days rounded to the nearest integer

So, the manager could continue this policy for

3 years, 11 months and 10 days without repeating the program.

8 0

3 years ago