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qaws [65]
3 years ago
13

Tomaz realized that the tip of a second hand on a clock rotates about the center of the clock. He watched the second hand rotate

around the center of the clock for 15 seconds. Which describes the rotation he observed?
270 degrees clockwise rotation
90 degrees clockwise rotation
180 degrees rotation
90 degrees counterclockwise rotation
Mathematics
1 answer:
Thepotemich [5.8K]3 years ago
5 0

Answer:

Step-by-step explanation:

Second hand on a clock rotates at rate 360 degrees per 60 seconds.

360 degrees - 60 sec

x degrees - 15 sec

90 clockwise rotation (none hand of a clock rotates counter-clockwise :))

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inn [45]

Answer:

c

Step-by-step explanation:

Aight, let's hop to it:

So we got

\frac{5x}{45}  =  \frac{20}{36}  =  =  >  \\  \frac{x}{9}  =  \frac{5}{9}  =  =  >  \\ x = 5

and boom

6 0
2 years ago
If 0 &lt; x &lt; 1 and 0 &lt; y &lt; 1, which of the following must be true?
katovenus [111]
0<x<1 and 0<y<1

x>0 so x is positive and y>0 so y is also positive.
When you multiply two positive numbers you always get a positive number, so the product of x and y must be positive, or greater than 0.
xy>0 - it must be true
xy<0 - it can't be true
Also when you divide a positive number by a positive number you always get a positive number, so the quotient of x and y must be positive.
x/y<0 - it can't be true
D and E can be true, but don't have to. It depends on the values of x and y. If x>y, then x-y>0 is true and x-y<0 isn't true; if x<y, then x-y>0 isn't true and x-y<0 is true.

Therefore, only A <u>must</u> be true.
3 0
3 years ago
Jose's football weighs 7/8 of a pound. His football helmet weighs 4 1/6 of a pound. Estimate how much more the helmet weighs tha
mixas84 [53]

Answer:

kikjj

Step-by-step explanation:

jjjjjjjjjjjjjjjjj

5 0
3 years ago
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gogolik [260]

the next term would be 3,125! the sequence is multiplying each number by 5.

5 0
3 years ago
The product of a number and 8
Alex787 [66]

Answer:

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Step-by-step explanation:

The answer would be 8n because 8*n = 8n

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