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drek231 [11]
3 years ago
7

Helppppp I willl give u the brainlest!!!!!

Mathematics
1 answer:
guajiro [1.7K]3 years ago
3 0

Answer:

diameter is 4

Step-by-step explanation:

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What is 4/6 x 5/6 = plz help i need to pass my math
sergejj [24]

Answer:

5/9

Step-by-step explanation:

20/36=5/9

5 0
2 years ago
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The total cost of n shirts is $15. The shirts are priced at a constant rate of $3 each.
Flauer [41]

Answer:

3*x=15

Step-by-step explanation:

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3 years ago
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In one day, by how much does the distance traveled by the tip of the minute hand exceed the distance traveled by the tip of the
lidiya [134]
In one day, there are 24 hours. In 1 hour, there are 3,600 seconds. So, that means that there are 86,400 seconds. Also, in 1 day, the short hand which denotes the number of hours, makes 2 revolutions around the clock. Its distance traveled would be twice the perimeter of the circle. 

Distance traveled by hour hand = 2(2πr) = 4πr₁

In 60 s, the long hand, which denotes numbers of minutes, makes one revolution around the clock. Since there are 86,400 seconds in a day, that would be a total of 1,440 revolutions.

Distance traveled by minute hand = 1,440(2πr) = 2,880πr₂

Difference = 2880πr₂ - 4πr₁ = 4π(720r₂ - r₁), where r₁ is the length of hour hand and r₂ is the length of minute hand.
7 0
3 years ago
An unbiased sample is one in which every member of the group has an equal chance of being chosen.
elena-14-01-66 [18.8K]
This is true, because everyone has a fair chance
8 0
3 years ago
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Evaluate the determinant for the following matrix: [- 5 1 1 4] A. –21 B. 19 C. –17 D. –24
mariarad [96]

Answer:

-21

Step-by-step explanation:

I assume this is a 2 by 2 matrix.

\begin{bmatrix} -5 & 1\\1 & 4 \end{bmatrix}

determinant = -5 * 4  - 1 * 1 = -20 - 1 = -21

6 0
3 years ago
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