2 years ago

HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP

Mathematics

1 answer:

Julli [10]2 years ago

5 0

Answer:

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How many 90 degree angle does it take to make a full turn

ser-zykov [4K]

Full turn = 360°

Number of 90° = 360 ÷ 90 = 4

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Answer: It takes 4 90° to make a full turn.
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7 0

2 years ago

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The ordered pairs (0,-5) (-1,-7) and (1,n) are solutions of the same linear equation. find n

Arada [10]

The three points are on the same line, so the slopes formed by any of the two points stay the same
[-7-(-5)]/(-1-0)=[n-(-5)/(1-0)
(n+5)=2
n=-3

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3 years ago

Write each fraction as a percent 1) 77/100 2) 3/10 3) 27/50

ValentinkaMS [17]

Think of this, 77/100 is 0.77. 0.77 is 77%.
Just use this for the rest of the questions.

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3 years ago

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10. A weight hangs on a spring. The vibration period of that weight is the time in which it makes a complete cycle in motion. Su

Alenkinab [10]

The vibration period of the spring will be 0.2 seconds

Explanation

The relationship between the vibration period "T" (in seconds) and the weight "w" (in kilograms) is given by...

$T= 2\sqrt{\frac{w}{200}}$

Given that, the weight(w) = 2.0 kilograms

So, plugging w = 2.0 into the above equation, we will get...

$T= 2\sqrt{\frac{2.0}{200} } \\ \\ T= 2\sqrt{\frac{1}{100} }\\ \\ T= 2*\frac{1}{10}\\ \\ T= \frac{1}{5}=0.2$

So, the vibration period of the spring will be 0.2 seconds.

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3 years ago

The world record for the fastest typing speed is 212 words per minute. How many words per second is this? Round to the nearest t

taurus [48]

Answer:

3.5

Step-by-step explanation:

212 words / 60 seconds in a minute = 3.53 repeating

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3 years ago

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