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AnnZ [28]
3 years ago
14

The seconds hand of an analog clock completes an entire rotation in 60 seconds, and the length of the seconds hand is 5 inches.

Approximately how far does the tip of the seconds hand travel in 3 minutes and 15 seconds?
Mathematics
2 answers:
zaharov [31]3 years ago
5 0

Answer:

195

Step-by-step explanation:

3 x 60 = 180

180 + 15

195

tigry1 [53]3 years ago
5 0

Answer:

90

2.5

Step-by-step explanation:

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–9x + 9y = 9<br> y = –7<br><br> (<br> , <br> )
Y_Kistochka [10]

Answer:

x=-8

(-8,-7)

Step-by-step explanation:

–9x + 9y = 9

–9x + 9(-7) = 9 (y=-7)

-9x-63=9

Both side +63

-9x=63+9

-9x=72

Both side divide   -9

x=-8

y=-7

(-8,-7)

6 0
2 years ago
Lyte wishes to study speed of Reaction Time to press a button in response to the onset of a lamp. The independent variable (V) i
Vaselesa [24]

Complete question:

Dr. Lyte wishes to study speed of Reaction Time to press a button in response to the onset of a lamp. The independent variable (V) is the color of the light produced by the lamp (red, orange, yellow, green, or blue) Since only 10 participants are available, she elects to administer the IV within-subjects with all 10 participants being exposed to all five levels of the color variable. The order of the color of the light presentation is to be counterbalanced. Using concepts from the textbook, why would Dr. Lyte need to use counterbalancing in this scenario?

Answer:

Here,

Independent variable (IV) is: the color of the light produced by the lamp (red, orange, yellow, green, or blue)

We are also told only 10 participants are available.

All 10 participants are being exposed to all five levels of the color variable in the same order.

Counterbalancing is said to be a technique used when establishing task order. It helps prevent introduction if cofounding variables.

Dr. Lyte will need to use counterbalancing technique in this scenario because some of the participants may be unable to understand difference in similar colours. Example some participants may not be able to differentiate between orange and red when the red colour comes after orange.

But using counterbalancing technique, Dr. Lyte can avoid such an error.

6 0
3 years ago
The sum of two numbers is 28 and there quotient is 3 what are the numbers
Zepler [3.9K]
54 and 21 and thats how i got it lol
5 0
3 years ago
15 customers increased by 200%
ddd [48]
15 + 200%(15).......200% as a decimal is 2
15 + 2(15) =
15 + 30 =
45 customers <= ur answer
4 0
3 years ago
Read 2 more answers
7+<br> 2-<br> 3+<br> 3-<br> -<br> 7+<br> 1-<br> 4
saveliy_v [14]

Answer:-15

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
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