1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Paul [167]
3 years ago
7

During strenuous work a human body generates about 2,400 BTUs of body heat per hour. If 7 bodybuilders are in a gym that is 20 f

t × 25 ft × 12 ft lifting weights, how many BTUs per cubic foot do they produce in 3 hours? (to the nearest tenth) A) 2.8 BTUs/ft3 B) 8.4 BTUs/ft3 C) 33.7 BTUs/ft3 D) 100.8 BTUs/ft3
Mathematics
1 answer:
Vlad [161]3 years ago
3 0
The answer is b) 8.4
You might be interested in
Need Help With Classifying Shapes. Simple High School Geometry But I was absent the day we went over it. Thanks!
liraira [26]
Quadrilateral RICE is a rectangle because the lengths of the quadrilateral have 2 sides congruent to each other. Also, RICE has slopes with opposite fractions which make the sides parallel to each other.
8 0
4 years ago
One number is 5 more than the other. Their sum is 33. Find the numbers.
dimaraw [331]

Answer:

19,14

Step-by-step explanation:

x=5+y

x+ y= 33

we will solve using substitution

(5+y) +y= 33

5+y+y=33

5+2y=33

subtract 5 from both sides

2y=28

y=14

We got y now we will find what x is

for this, we will substitute y's value (14) into the first equation

x=5+(14)

x=19

we got x too

3 0
3 years ago
A simple random sample of size n equals 200 individuals who are currently employed is asked if they work at home at least once p
____ [38]

Answer: 99% of confidence interval for the population proportion of employed individuals who work at home at-least once per week

//0.20113,0.20887[/tex]

Step-by-step explanation:

<u>step 1:-</u>

Given sample  size n=200

of the 200 employed individuals surveyed 41 responded that they did work at home at least once per week

 Population proportion of employed individuals who work at home at least once per week  P = \frac{x}{n} =\frac{41}{200} =0.205

Q=1-P= 1-0.205 = 0.705

<u>step 2:-</u>

Now  \sqrt{\frac{P Q}{n} } =\sqrt{\frac{(0.205)(0.705)}{200} }

=0.0015

<u>step 3:-</u>

<u>Confidence intervals</u>

<u>using formula</u>

(P  -  Z_∝} \sqrt{\frac{P Q}{n},} (P  +  Z_∝} \sqrt{\frac{P Q}{n},

(0.205-2.58(0.0015),0.205+2.58(0.0015)\\0.20113,0.20887

=0.20113,0.20887[/tex]

<u>conclusion:</u>-

99% of confidence interval for the population proportion of employed individuals who work at home at-least once per week

//0.20113,0.20887[/tex]

4 0
3 years ago
Plz help loves i need
Ratling [72]

Answer:

It's the letter B :)

5 0
3 years ago
Read 2 more answers
Simplify the following expression.
son4ous [18]

Answer:

C. log 9

Step-by-step explanation:

Hope this helped!

6 0
3 years ago
Other questions:
  • Simplify 4.51to the 0 power
    5·2 answers
  • The price of an item has been reduced by $3.45. The new price is $22.36. What was the original price?
    7·1 answer
  • Twice the sum of x and 3 is less than 5
    15·1 answer
  • 3(x – 4) = 2x – (6 + x)
    8·1 answer
  • Consider this enlargement. 2 trapezoids. Side A corresponds to 20 centimeters, side B corresponds to 25 centimeters, and a side
    14·2 answers
  • How to reduce improper fraction 37/30
    8·2 answers
  • A local eat-in pizza restaurant wants to investigate the possibility of starting to deliver pizzas. The owner of the store has d
    5·1 answer
  • 3x-9=3(x-3) no solution, one solution, infinitely many solutions
    8·1 answer
  • How much did the temperature change from Sunday's high to Monday's high
    7·2 answers
  • How many feet are in 1 yard?​
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!