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Lubov Fominskaja [6]
2 years ago
7

0=14pi/9 radians to degrees

Mathematics
1 answer:
DIA [1.3K]2 years ago
5 0

Answer:

280 degrees

Step-by-step explanation:

To change radians to degrees, we can use the conversion factor

180/pi

14 pi/9  * 180/pi

Canceling like terms

14/9 * 180

280 degrees

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If an island's only residents are penguins and bears, and if there are 21 heads and 50 feet on the island, how many penguins and
Ugo [173]

Answer:

The number of penguins on the island is 17 and the number of bears on the island is 4.

Step-by-step explanation:

We are given that an island's only residents are penguins and bears, and if there are 21 heads and 50 feet on the island.

Let the number of penguins on the island be 'x' and the number of bears on the island be 'y'.

Also, we know that bears and penguins both have one head, and the bear has 4 feet and the penguin has 2 feet.

<u>So, according to the question;</u>

  • The first condition states that there are 21 heads, that means;

                             x + y = 21  

                             x = 21 - y  ---------------- [equation 1]

  • The second condition states that there are 50 feet on the island, that means;

                            2x + 4y = 50

                             x + 2y = 25

                            21 - y + 2y = 25    {from equation 1}

                            y = 25 - 21

                            y = 4

Now, putting the value of y in equation 1, we get;

                           x = 21 - y

                           x = 21 - 4 = 17

Hence, the number of penguins on the island is 17 and the number of bears on the island is 4.

4 0
4 years ago
The local high school sponsored a 5K run and supplied 84 gallons of water per hour for the runners. What is the amount of water
love history [14]
1 gallon = 4 quarts. its 84 x 4= amount in quarts.
84 x 4 = 336
336 quarts
8 0
3 years ago
A high school championship football game was attended by 1,580 fans. There were 640 were out-of-state fans at the game. The othe
Galina-37 [17]
D. 32/47
You would subtract 1580 from 640 to get 940. You would then simplify 640/940 to get 32/47.
7 0
3 years ago
If we multiply a positive number and a negative number, is the result positive or negative?
Paha777 [63]

Answer:

always negative

Step-by-step explanation:

That is, if you exclude 0. If you count zero as a positive number, that will be the exception to the rule. Luckily, zero is usually considered neither negative or positive.

4 0
3 years ago
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{ x + y = 158<br> x- y = 112
ZanzabumX [31]

Answer:

i have know

Step-by-step explanation:

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