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levacccp [35]
4 years ago
15

ASAP need help please

Mathematics
1 answer:
Tcecarenko [31]4 years ago
5 0
C or the 3rd choice
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Hello could anyone help me out? thank you! The room temperature is 50 *F. The temperature will decrease by 4*F each hour. Let "h
Taya2010 [7]

We start off with 50 as our room temperature.

Then we subtract off 4h to indicate the temperature drops 4 degrees per hour

You can think of it like this

1 hour = drop by 4 degrees

h hours = drop by 4h degrees (multiply both sides by h)

So the expression 50-4h represents the temperature after h hours. We want this to be below 32, so 50-4h < 32 is the inequality we're after

Solving for h leads to

50-4h < 32

-4h < 32-50 ... subtract 50 from both sides

-4h < -18

h > -18/(-4) ... divide both sides by -4; note the inequality sign flips

h > 4.5

If you go beyond 4.5 hours, then the temperature will be below 32 degrees

notes:

  • 4.5 hours = 4 hours, 30 minutes = 270 minutes
  • the inequality sign flips whenever you divide both sides by a negative number
6 0
3 years ago
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How do you solve this problem?
pav-90 [236]

the bells will ring at 3:00pm

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3 years ago
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Akira and a business associate agree to invest in a project estimated to cost $1.8 million (1,800,000). They decide to split the
MariettaO [177]
If it's relationship Akira : Business A. = 7:5 

The part of Akira is 7k

and the part of the Business A. is 5k

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7k+5k=12k => 12k=1,800,000 => k= 1,800,00/12=150,000$

Akira part is 7k= 7 * 150,000 = 1,050,000$

Good luck!!!!
8 0
3 years ago
How many pair of whole number have a sum of 110
Zielflug [23.3K]
1,2,5,10,11,22,55,110
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4 years ago
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The area is 1/2 * b * h. The base is 12 and the height is 16 (the two smaller sides). The answer is 1/2 * 12 * 16, or 96.
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3 years ago
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