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3 years ago

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The circulation of a newsletter decreased from 6000 to 3710. Find the percent of decrease in circulation to the nearest percent.

6% 162% 38% 62%

1 answer:

lbvjy [14]3 years ago

5 0

Percent change = ((new value) - (old value))/(old value) × 100%
= (3710 - 6000)/6000 × 100%
= -38.16%

The decrease in circulation is about 38%.

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Read 2 more answers

a rectangular pyramid has a volume of 190 cubic centimeters. Find two possible sets of measurements for the base area and height

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<h3>One possible set for the base area and height of the pyramid is 570 cm and 1 cm respectively</h3><h3>Other possible set for the base area and height of the pyramid is 285 cm and 2 cm respectively</h3>

<em><u>Solution:</u></em>

<em><u>The volume of rectangular pyramid is given as:</u></em>

$Volume = \frac{1}{3} \times base\ area \times height$

Given that,

<em><u>Rectangular pyramid has a volume of 190 cubic centimeters</u></em>

<em><u></u></em> $190= \frac{1}{3} \times base\ area \times height$ <em><u></u></em>

<em><u>Substitute, base area = 570 and height = 1</u></em>

Then we get,

$190 = \frac{1}{3} \times 570 \times 1\\\\190 = 190$

Thus one possible set for the base area and height of the pyramid is 570 cm and 1 cm respectively

<em><u>Substitute, base area = 285 and height = 2</u></em>

$190 = \frac{1}{3} \times 285 \times 2\\\\190 = \frac{1}{3} \times 570\\\\190 = 190$

Thus other possible set for the base area and height of the pyramid is 285 cm and 2 cm respectively

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