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lakkis [162]
3 years ago
13

15. A survey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand X aspirin. How many doctors use brand X asp

irin? (Hint: Solve for X).
Mathematics
1 answer:
Inga [223]3 years ago
8 0
Since 3 out of 5 doctors (60%) use brand X, solve for 60% of 2,000, which is 1,200 doctors. 
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Which divisor of -2x^3 - 5x^2 + 4x - 2 results in a remainder of -14
Vsevolod [243]

Answer:

f(x) = -2x^3 -5x^2 +4x -2\\option 1 : x+2 \\f(-2) = -2(-2)^3 -5(-2)^2 +4(-2)-2 = 16 -20-8-2= -14\\\\\\option 2: x+3\\f(-3) = -2(-3)^3 -5(-3)^2 +4(-3) - 2 = 54 -45 -12-2 = -5\\\\option 3: x-2\\f(2) = -2(2)^3-5(2)^2-4(2)-2=-16 -20-8-2=-46\\\\option4 :x-3\\f(3) = -2(3)^3 - 5(3)^2-4(3)-2 = -54-45-12-2=-113\\

option 1: x + 2

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telo118 [61]
Hello there! A trapezoid is a quadrilateral, and the angles of a quadrilateral have a sum of 360°. We don't know the angle measurement for A, so let's start off by adding the measurements of the other angles together. 117 + 155 + 25 is 297. Now, we subtract that number from 360 to find the angle measurement. 360 - 297 is 63. There. The measurement of angle A is 63°.
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(3.1 · 10² ) (2 · 10³) Write in Scientific Notation.
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8 0
3 years ago
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3/4, find the surface area
Semmy [17]

Answer:

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Step-by-step explanation:

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15 × 15 = 225

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