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Butoxors [25]
2 years ago
13

A scientist needs to print a research report on her computer’s printer. If she prints in black ink only, b(t)=152-33t describes

the number of pages left to print after t minutes. If she prints in colored ink, c(t)=152-30t describes the number of pages left to print after t minutes. Based on this information, which statement is true?
F. The printer prints 3 more pages per minute in colored ink than in black ink.
G. The printer prints 3 fewer pages per minute in colored ink than in black ink.
H. The printer prints the same number of pages per minute in either type of ink.
J. The printer prints the entire research report in 152 minutes.
Mathematics
1 answer:
Flauer [41]2 years ago
3 0
With black ink      ⇒⇒⇒ <span>b(t)=152-33t
With </span>colored ink   ⇒⇒⇒ <span>c(t)=152-30t

After 1 minute :
b = 152 - 33 * 1 = 152 - 33 = 119
c = 152 - 30 * 1 = 152 - 30 = 122
c - b = 122 - 119 = 3

The correct choice is:
</span><span>G. The printer prints 3 fewer pages per minute in black ink than in colored ink.</span>
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Amount withdrawal = $2,847.66 (Approx)

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2 years ago
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<span>Point B has coordinates (3,-4) and lies on the circle. Draw the perpendiculars from point B to the x-axis and y-axis. Denote the points of intersection with x-axis A and with y-axis C. Consider the right triangle ABO (O is the origin), by tha conditions data: AB=4 and AO=3, then by Pythagorean theorem:
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Since point B is placed in the IV quadrant, the sine of the angle that is <span> drawn in a standard position with its terminal ray will be </span>
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3 0
2 years ago
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What is the result of substituting for y in the bottom equation?
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Answer:

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Step-by-step explanation:

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Substitution simply means replacing the variable y in the second equation with its equivalent x+3 from the first equation.

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