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Ilya [14]
3 years ago
8

Graph the polar equation r = 4 cos 3θ.

Mathematics
2 answers:
Nitella [24]3 years ago
8 0
First is Polar and second is Rectangle

Yuki888 [10]3 years ago
7 0
Hello,
see picture.
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Which equation can be used to solve for the unknown number? Seven less than a number is thirteen.
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Answer:

n-7=13

Step-by-step explanation:

We need to find an equation that represents the expression: "Seven less than a number is thirteen".

It means that a number minus 7 equals 13. So, the correct option is: n-7=13

Bonus: Solving for 'n' we have that n=20.

So, Seven less than 20 equals 13!!

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Let  x gallons be the amount of pure antifreeze that should be added to the 30% solution to produce a solution that is 65% antifreeze. Then the total amount of antifreeze solution will be x+3 gallons.

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or

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