3 years ago

6a^2-[-5a-(9a^2-3a)]-[8+(-19a-8)]

1 answer:

5 0

The answer is 15a^2+21a

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VMariaS [17]

Answer:

Step-by-step explanation:

Law of sines

$\frac{Sin A}{a}$ = $\frac{Sin B}{b}$

A and B are angles.

a and b are sides opposite corresponding angles.

8 0

3 years ago

Sophie [7]

3000ft will equal 914.4 in meters

7 0

3 years ago

DochEvi [55]

The answer is -19 because I asked my math teacher and she said-19

8 0

3 years ago

den301095 [7]

Answer:

$x=5/2$

Step-by-step explanation:

When $f(x)=30$ , we have $3x+9x=30$ .

Combining like terms on the right side, we have $12x=30$ .

Finally, dividing by $12$ we get $x=30/12$ .

We note that $30=6*5$ and $12=6*2$ , so $30/12=5/2$ .

So, $\boxed{x=5/2}$ and we're done!

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2 years ago

Alexxx [7]

Answer:

1000

Step-by-step explanation:

1200*5/6=1000

3 0

2 years ago