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Rasek [7]
3 years ago
14

The number of students in a chess club decreased from 18 to 12. What is the percent decrease ? Round to the nearest percent

Mathematics
2 answers:
Elena L [17]3 years ago
8 0

Answer:

33.3% decrease or 33%

Step-by-step explanation: 1/3 of 18 is 6. 1/3=33.3% it moved down by six people so 33% is your answer

drek231 [11]3 years ago
8 0

Answer:

33%

Step-by-step explanation:

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2 years ago
Roberta Arthur had the following reciepts for the week of April 12th: 50$ gift; 25$ rebate; April 13th, 2.45$ refund on aluminum
oksian1 [2.3K]

Answer:

$329.44

Step-by-step explanation:

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322.44+7.00= 329.44

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3 years ago
!30 POINTS! How can I use this trapezoid to prove the Pythagorean Theorem?
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Answer:

Pythagorean Theorem: c2 = a2 + b2

Find the area by adding the areas of the three triangles. The area of a right triangle is: A = ½bh

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The total area of the trapezoid is : A1 + A2 = ab + ½c2

You multiply both sides by 2 to get rid of the ½: (a2 + 2ab + b2) = 2ab + c2

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6 0
2 years ago
I need help!!! ASAP!!!! !!!!!
GalinKa [24]

Answer:

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Volume= 729cm^3

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Area of Base= 81cm^2

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Volume=450m^3

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Area of Base=150m^2

3.

Volume= 480 cm^2

Area of base=75cm^2

Height= 8cm^2

4.

Volume =120in^3

Area of Base=20in^2

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2 years ago
Is this a function, explain answer
likoan [24]

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Read 2 more answers
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