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AnnZ [28]
3 years ago
10

10) The temperature recorded at 12 noon was 15°C above zero. If it decreases at the rateof 3°C per hour until midnight, at what

time would the temperature be 9°C below zero? Whatwould be the temperature at midnight?
Mathematics
1 answer:
aalyn [17]3 years ago
6 0

Answer:

at 8 pm the temperature will be -9 degrees. and at midnight the temperature will be negitive twenty one(-21) degrees

Step-by-step explanation:

the start time is 12 pm and finish is 12 am and every hour your going to subtract 3 from the given degree so 15-3= 12 , 12-3=9 ect.

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Arturiano [62]

Answer:

9.4 x 10^4= 470

hope it helps

8 0
3 years ago
3 10 in . = 7 8 mi . what is the unit rate
Sav [38]

Answer: (3/10) in = (7/8) mi

1 in = (7/8) mi ÷ (3/10)

      = 7/8 * (10/3) = 70/24

1 in = (70/24) mi

It means every 1 inch on the map drawing represents (70/24) miles ≈ 2.917 miles in reality.  

Hope this helps :)

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6 0
3 years ago
Consuelo's living room is in the shape of a rectangle and has an area of 360 square feet. The width of the living room is 5/8 it
uranmaximum [27]
<h2>Therefore the length of the living room = 24 ft</h2>

Step-by-step explanation:

Given that , Consuelo's living room is in the shape of rectangle and has an area of 360 square feet and the width of the living room is \frac {5}{8}   its length

Let ,the length of the living room is = x ft

Then width =\frac {5}{8}x ft

Therefore the area of the living room =x \times \frac {5}{8}x ft^2

According to problem,

x\times \frac {5}{8}x = 360

⇔\frac{5}{8}x^2=360

⇔x^2 = \frac{360\times 8}{5}

⇔x^2 = 576

⇔x=\sqrt{576}

⇔x = 24

Therefore the length of the living room = 24 ft

8 0
3 years ago
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(50 POINTS FOR THE FIRST ANSWER)
klasskru [66]

Answer: 16.13

Step-by-step explanation: 40 divided by $2.48

5 0
3 years ago
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Find 3 ratios that are equivalent to the given ratio.<br> 20:32
lesya692 [45]

Answer:

4:3,12:9, and 16:12

Step-by-step explanation:

8 0
2 years ago
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