If the surface area of a cube is 384 cm2, what is the volume of the cube?
Answer(s): C
The surface area of a cube is equal to 6e2, where e is the length of one edge of the cube; 6e2= 384 cm, e2= 64, e = 8 cm. The volume of a cube is equal toe3; (8 cm)3= 512 cm3.
What is the next number in the series below?3 16 6 12 12 8
Answer(s): D
This series actually has two alternating sets of numbers. The first number is doubled, giving the third number. The second number has 4 subtracted from it, giving it the fourth number. Therefore, the blank space will be 12 doubled, or 24.
The volume of a glass of water placed in the sun decreases by 20%. If there are 240 mL of water in the glass now, what was the original volume of water in the glass?
The original volume of water, x, minus 20% of x, 0.20x, is equal to the current volume of water, 240ml:
What is the tenth term of the pattern below?
Answer(s): E
Each term in the pattern is equal to the fraction2/3raised to an exponent that is equal to the position of the term in the sequence. The first term in the sequence is equal to , the second term is equal to
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hossam Commented on March 01, 2018 Good exam material. Test Engine and the Android App are very helpful to practice. UNITED STATES