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lbvjy [14]
2 years ago
5

Pendulum A is 20 cm long and has a 5 g mass on it. Pendulum B is 30 cm long and has a 10 g mass on it. Which one has a faster pe

riod?
Mathematics
1 answer:
Lera25 [3.4K]2 years ago
7 0
The formula for the period T of a pendulum is T = 2π Square root of√L/g, where L is the length of the pendulum and g is the acceleration due to gravity.
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Jane read 3/8 of a book for 6 days. How many books did she read?
otez555 [7]

Hey there!

The answer to your question is 2 \frac{1}{4} books.

To solve this, we must multiply \frac{3}{8} by 6

\frac{3}{8} *\frac{6}{1}=\frac{18}{8} =2\frac{1}{4}

Hope it helps! Have a great day!

7 0
3 years ago
What is the additive inverse of 18xy?
Cloud [144]
An additive inverse is the value you can add to a given value such that the sum is "0".. 

Your answer is choice A
18xy + (-18xy) = 0   Since these are like terms.. the key here is understanding that like terms must have the same exact variables raised to the exact same powers.  We can add like terms.  We cannot add unlike terms.
6 0
3 years ago
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9,10,11,and 12 please! Show work for all please!!!! Thanks! Please tell the answers as quick as possible
Vadim26 [7]
I'm not sure but I think I may have the answer to number 9
It says she uses 3 draws for shirts and wants to find out the percentage. Percentage is normally out of 100% so we do 100÷4 (we divide by 4 because there are 4 drawers)
100÷4=25. So now it says she uses three drawers for her shirts so we need to do 25x3=75 and all you do with that is put it in percent. The answer is 75%
P.S I am not entirely sure that this is correct but I wanted to help ❤
5 0
2 years ago
What's 9 + 10? What's 1 + 1? What's 2 + 2? What's 9 * 9? What's 12 * 12? What's 8999000 * 4499000​
Vlad1618 [11]

Answer:9+10 is 19

1+1 is 2

2+2=4

9 * 9 is 81

12 * 12= 144

last one not sure

Step-by-step explanation:

8 0
3 years ago
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What is a numerical expression for the verbal expression. eight times six divided by two minus nine
Murljashka [212]

Answer:

(8x6)/2 + 9

Step-by-step explanation:

8 0
3 years ago
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