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thanks, I tried but that's not the answer :/

2cos(3theta)=-2

divide both sides by 2

$$cos3\theta=-1$$

$$3\theta=\arccos$$(-1)

divide both sides by 3

$$\theta=60$$

$${\sqrt{{\mathtt{698}}}}$$

To simplify $${\sqrt{{\mathtt{698}}}}$$ in exact form:

1.  Break $${\mathtt{698}}$$ into its simpliest multiples:  $${\sqrt{{\mathtt{2}}{\mathtt{\,\times\,}}{\mathtt{349}}}}$$

2.  How many of the same number under the radical do you have?:  One $${\mathtt{2}}$$, One $${\mathtt{349}}$$

3.  Wherever you see two of the same number pull those two numbers out:  None

4.  Multiply the remaining numbers under the radical: $${\sqrt{{\mathtt{698}}}}$$

$${\sqrt{{\mathtt{698}}}}$$ simplified in exact form is $${\sqrt{{\mathtt{698}}}}$$

In its approximate form: $${\sqrt{{\mathtt{698}}}} = {\mathtt{26.419\: \!689\: \!627\: \!245\: \!812\: \!9}}$$...

math will always be the key to life and the gate to your worst fears 

0.1929 to two decimal places is 0.19

12.6 cos(53)

$${\mathtt{12.6}}{\mathtt{\,\times\,}}\underset{\,\,\,\,^{\textcolor[rgb]{0.66,0.66,0.66}{360^\circ}}}{{cos}}{\left({\mathtt{53}}^\circ\right)} = {\mathtt{7.582\: \!869\: \!291\: \!715\: \!2}}$$

 If you align 2 and 2 together in opposite directions it would equal fish.

Area = base x height / 2

Base 18, Height 19

Step 1. A= 18 X 19 = 342

Step 2. A = 342 / 2

Step 3. A = 171

This is a system of equations problem.

In situation #1, Deb earns $3300 per month.

In situation #2, Deb earns $2400 per month plus a 5% commission; in other words she earns as a bonus 5% of the combined value of her monthly sales. By converting 5% into a decimal, we can express how much she earns as 2400+0.05x, where x is the value of her sales.

We set the expressions equal to each other.

0.05x+2400=3300

0.05x=900

x=18,000

Therefore, Deb must sell $18,000 worth of product to customers over the course of the month in the second job in order to earn the same amount than she would at the first job.

because the people who invented it were smart!

The above answer was used for a similar question on another forum. That grid was 3X3 instead of 6X6. (That may have been what was intended). CDD aside, the posted solution is accurate for a 3X3 grid.

However, this question as stated does posit inconsistent restrictions.

Melody is correct. There are no 6 unit solutions.

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Hi awesome I'm fantastic

Im a gorilla eating the banana 

19

Thanks for that tip, saseflower......

Thanks, Anonymous......we can actually do this in one step....we have

d =√[15^2 + 30^2 + 12^2 ] =

√[225 + 900 + 144]  =

√1269 = 35.6 inches

Use the sine function to determine the side opposite the given angle.

$$sin\theta=\frac{x}{20}$$

x=18.1 ft

It does not repeat. People have been trying this for years.

√

You can Insert a "Special Character" from the chart.

In LaTex use sqrt()

On the calculator, there is a √x button.

Use the 2nd key (upper left). You will see the key title change.

Cu= 63.546

Br=79.904

2Br=2(79.904)=159.808

Wt of molecule= $${\mathtt{63.546}}{\mathtt{\,\small\textbf+\,}}{\mathtt{159.808}} = {\mathtt{223.354}}$$

%Cu=$${\frac{{\mathtt{63.546}}}{{\mathtt{223.354}}}}{\mathtt{\,\times\,}}{\mathtt{100}} = {\mathtt{28.450\: \!800\: \!075\: \!216\: \!920\: \!2}}$$

%Br= $${\mathtt{100}}{\mathtt{\,-\,}}{\mathtt{28.45}} = {\frac{{\mathtt{1\,431}}}{{\mathtt{20}}}} = {\mathtt{71.55}}$$

or

$${\frac{{\mathtt{159.808}}}{{\mathtt{223.354}}}}{\mathtt{\,\times\,}}{\mathtt{100}} = {\mathtt{71.549\: \!199\: \!924\: \!783\: \!079\: \!8}}$$