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zhannawk [14.2K]
3 years ago
15

A businessman was comparing his company's profits for two consecutive months. In November, n, were 0.04 thousand dollars more th

an in December, d. The two months had a combined income of 3.15 thousand dollars. Which system of equations could be used to determine the amount of profit for each month, in thousands of dollars?
A)n+d = 3.15
n+0.04=d

B) n-3.15=d
d+0.04=n

C) d-3.15=n
n+0.04=n

D)n+d=3.15
d=0.04=n
Mathematics
1 answer:
Firdavs [7]3 years ago
5 0
N and d are both numbers of thousands of dollars.
Thus, if n = 1, that means $1000.

Here n = d + 0.4.
Note that in C, n+0.04=n is completely wrong.
Similarly, in D, d = 0.04 = n is completely wrong.
The "combined profit amount" for Nov. and Dec. is n + d = 3.15.

Only A matches this info.  Your answer is A.
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The cost of 5 hours of skiing would be the same ($125) after 5 hours.

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A probability model includes P(red) = 27 2 7 and P(blue) = 314 3 14 . Which of the following probabilities could complete the mo
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Answer:

(b)\ P(Green) = \frac{3}{8} ; P(Yellow) = \frac{1}{8}

(c)\ P(Green) = \frac{1}{4} ; P(Yellow) = \frac{1}{4}

Step-by-step explanation:

Given

P(Red) = \frac{2}{7}

P(Blue) = \frac{3}{14}

Required

Which completes the model

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P(Green) + P(Yellow)= \frac{1}{2}

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