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Eduardwww [97]
3 years ago
12

Suppose that 6 people sitting in a enclosed room are each generating about 400BTU's of body heat per hour. if the room is 20ft×1

5ft×10ft, how many BTU's per cubic foot do they produce in 5 hours?
3BTU's/ft^3
4
5
6​
Mathematics
2 answers:
allsm [11]3 years ago
4 0
I don’t understand the wordingFrom what it looks like I’m pretty sure it’s 6
OverLord2011 [107]3 years ago
3 0

Answer: 4 BTUs/ft^3

Step-by-step explanation:

i just did a test and this was the right answer

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(NEED HELP ASAP) A train covers the 1500 km distance from Amsterdam to Barcelona at an average speed of 90 km/h. If the train le
Natasha_Volkova [10]
1500km divided by 90km = 16.6666667, so therefore it is 16 hours and 36 minutes. add that to 9:30, it arrives at 2:06am on Wednesday.
3 0
3 years ago
Read 2 more answers
Suppose the population of a certain city is 5831 thousand. It is expected to decrease to 5204 thousand in 50 years. Find the per
SVEN [57.7K]

Answer:

The percent decrease is approximately 10.75\%

(Don't know what you are expected to round to.)

Step-by-step explanation:

Percent change can be calculated by doing:

\frac{\text{original}-\text{new}}{\text{original}}

Then you multiply the result to covert it to a percentage.

Let's use this formula:

\frac{5831 \text{thousand}-5204 \text{ thousand }}{5831 \text{thousand}}

\frac{\text{thousand}}{\text{thousand}} \cdot \frac{5831-5204}{5831}

\frac{5831-5204}{5831}

\frac{627}{5831}

0.1075 approximately

Now the answer as a percent is 10.75\% approximately.

The percent decrease is approximately 10.75\%

3 0
3 years ago
What is the number? I did many ways but i didn't found it, please guys help me with it. ​
Advocard [28]

Answer:

A). 15

B). -1.2

Step-by-step explanation:

A). [10(x+3)]-20 = 160

10x+30-20 = 160

10x+10 = 160

10x = 160-10

10x = 150

x = 150/10

x = 15

B). 5{[4(8+(5x))]-9} = 85

5(32+20x+9) = 85

5(32+9+20x) = 85

5(41+20x) = 85

205+100x = 85

100x = 85-205

100x = -120

100x/100 = -120/100

x = -1.2

----------------------------------------------------------------------

HOPE THIS HELPS!!!

3 0
3 years ago
7/10 write the number as hundredths in a fraction form and decimal form
klemol [59]

7/10 as hundredths decimal: .07

7/10 as fraction: 7/100

7 0
3 years ago
If A ABC ~ ARST and m 2 A = 42°, m 2 C = 60°,<br> find the measure of &lt; S.
Free_Kalibri [48]

Answer:

78

Step-by-step explanation:

∠A + ∠B + ∠C = 180   { Angle sum property of triangle}

42 + ∠B + 60 = 180

∠B + 102 = 180

∠B = 180 - 102 = 78

In similar triangles, corresponding angles are congruent.

∠S ≅ ∠B

∠S = 78°

7 0
2 years ago
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