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Sveta_85 [38]
3 years ago
9

The 12 students in the environmental Club represents 20% of the students in the 7th grade how many students are in the 7th grade

Mathematics
2 answers:
zloy xaker [14]3 years ago
8 0

Answer:

2

Step-by-step explanation:

.2 of 12 is 2.4 and you can't have 2.4 of a person so it is 2.

LUCKY_DIMON [66]3 years ago
8 0
I believe the answer is 60. The reason I think it’s 60 is because if 20 percent of the class is 12 students, and you need 5 sets of 20 to make 100 wouldn’t it be 12x5=60? Hope this helps!
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We have \det\mathbf A\neq0, as

\det\mathbf A=\begin{vmatrix}1&7\\0&1\end{vmatrix}=1\times1-0\times7=1

which means \mathbf A is non-singular and has an inverse. The inverse itself would be

\mathbf A^{-1}=\dfrac1{\det\mathbf A}\begin{bmatrix}1&0\\-7&1\end{bmatrix}^\top=\begin{bmatrix}1&-7\\0&1\end{bmatrix}
6 0
3 years ago
The water inside a right cylinder tank is 6 inches above the bottom part of the tank of radius 1 feet and length 2 feet. Find th
ASHA 777 [7]

Answer:

<h2>864π in³</h2>

Step-by-step explanation:

Volume of the water is equivalent to the volume of a cylinder = πr²h where;

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Given parameters

radius of the cylindrical tank r = 1feet = 12 inches

height of the water inside the tank = 6inches

Volume of the water = πr²h

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Volume of the water  = π*144*6

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<em></em>

<em>Hence the volume of the water is 864π in³</em>

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777dan777 [17]

Answer:

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Step-by-step explanation: hope you found this helpful

4 0
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The Mercury Electric Company issued 2,000,000 shares of stock at $62.50 per share. These selling expenses are deducted: commissi
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Total amount of shares sold=$ 2000000 x $62.5
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3 0
3 years ago
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Whitepunk [10]

Answer:

56.6m to 1.d.p

Step-by-step explanation:

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=56.6m to 1.d.p

4 0
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