Which set of polar coordinates describes the same location as the rectangular coordinates (0, -2)

Answers

Answer 1

Answer: Polar coordinates identifie the points of the plane by a distance from the reference point and an angle from a reference direction.

In this case the distance of (0,-2) from the origin is 2 and the anglefrom the x-axis is 180°. So the polar coordinates are (2, 180°)

Answer 2

Answer:

(-2, 90 degrees) on apex

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A jar contains only pennies, nickels, dimes, and quarters. There are 14 pennies, 28 dimes, and 16 quarters. The rest of the coins are nickels. There are 70 coins in all. How many of the coins are not nickels? If n represents the number of nickels in the jar, what equation could you use to find n?

Answers

Answer:

Step-by-step explanation:

Let n represent the number of nickels in the jar.

The jar contains only pennies, nickels, dimes, and quarters. There are 14 pennies, 28 dimes, and 16 quarters. This means that the total number if pennies, dimes and quarters would be

14 + 28 + 16 = 58

This means that the number of coins that are not nickel is 58

The total number of coins in the jar is 70. Therefore, the equation that can be used to find n is

n + 58 = 70

n = 70 - 58

n = 12 nickels

Write a rational number that is not an integer.

Answers

Any number that you can completely write down with digits is rational.
It doesn't matter whether it's a whole number, a mixed number, a fraction,
or a decimal.

Here are a few:

1.6
3 and 3/4
2.71828
46 million and 1/2
negative 42

A rational is any number that can be written as a fraction and a integer is a whole number 0.86 = 43/50 so it is a rational, and not a whole number

The sum of 1 / 6 2/3 and 1/4

Answers

"Sum of" means pretty much add. 1/6+2/3+1/4
which the common denominator in this case is 12 so 2/12+8/12+3/12 which is 13/12

one and one twelve hope that helps

Solve.

−43x+16<79

please solve

Answers

-43x + 16 < 79

Subtract 16 from both sides,
-43x < 63

Divide -43 from both sides,
x < -63/43

Hope this helps!

-43x + 16 -16< 79 -16; -43x ÷ -43 < 63 ÷ -43; x > -1.47

Lions spend 5/ 6 of their day sleeping how many hours a day do lion sleep

Answers

24 hours in a day.

5/6 times 24/1

24*5 = 120
6*1 = 6

120/6 = 20 hours per day

What temperature in Fahrenheit is 50 degree celsius? (Enter numeric value only. If rounding is necessary, round to the nearest whole number.)

Answers

Step #1: Subtract 32. Step #2: Mutliply by 5. Step #3: Divide by 9... 50-32 = 18; 18 * 5 = 90; 90 / 9 = 10 degrees celsius.

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