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Ratling [72]
3 years ago
7

From midnight to 6:00 am, the temperature rose 8°C. At 6:00 am, the temperature was − 20 ° -20°C. What was the temperature at mi

dnight?
Mathematics
1 answer:
tekilochka [14]3 years ago
4 0

Answer: -28 degrees Celsius

Step-by-step explanation:

-20 - 8 = -28

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150, 155, 163, 168, 172, 177, 186, 190, 205
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zvonat [6]

Answer:

\sf y=-\dfrac12x+2

Step-by-step explanation:

y-intercept is when x = 0, so (0, 2)

x-intercept is when y = 0, so (4, 0)

\sf slope=\dfrac{change\:in\:y}{change\:in\:x}=\dfrac{0-2}{4-0}=-\dfrac12

Slope-intercept form of linear equation:  \sf y=mx+b

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3 0
2 years ago
A telemarketing company calls telephone numbers chosen at random. It finds that 30% of calls are not completed (the party does n
cupoosta [38]

Answer:

21%

Step-by-step explanation:

Actually there are three levels of process here.

If 100 calls are made only 70 calls are completed (since 30%not completed)

Out of these 70 completed we find that 40% i.e. 28 calls to a woman and 30% i.e. 21 go to a man.

28 females and 21 males

Out of 28 females 45% buy something =0.45*28=12.6

Out of 21 males 40% buy something = 0.4*21=8.4

Total percent of calls result in a sale = 12.6+8.4=21

So 21% of calls result in a sale

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3 years ago
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Step-by-step explanation:

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2 years ago
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