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
Ivan
3 years ago
14

How is the percent efficiency of a machine determined?

Mathematics
2 answers:
Stels [109]3 years ago
8 0

The answer is B. I just answered this question earlier!

Archy [21]3 years ago
7 0

Answer:

i need the ansrew too

Step-by-step explanation:

hehe

You might be interested in
A right cone has an altitude of 4 units and a base diameter of 6 units. What is it’s lateral area?
fenix001 [56]

Answer:

Lateral area  =

pi *  (radius) * √ [ height ^2  + radius^2 ]  =

pi *  ( 4 )  * √ [  4^2 + 3^2 ]  =

pi * ( 4 ) * √25  =

pi * ( 4 ) * (5 )  =

20 pi  units^2  ≈   62.8 units^2

Step-by-step explanation:

4 0
3 years ago
On a piece of paper, use a protractor to construct right triangle ABC with AB=3 in. , m∠A=90° , and m∠B=45° .
kirza4 [7]

Answer:

1. A. AC=3IN

2. D AND C

Step-by-step explanation:


7 0
3 years ago
Read 2 more answers
Plz help I really need it 15 points
Ivenika [448]

Answer:

I'm pretty sure its 40

hope I helped

6 0
3 years ago
Read 2 more answers
What does x = and round to the nearest tenth
larisa [96]

Answer:

X=8.6

Step-by-step explanation:

;)

4 0
3 years ago
Is this is right, please help
frozen [14]
7:54...10:55 - 33 minutes is 10:22.  Then subtract 2 hours, brings you to 8:22.  Then subtract 28 minutes, and is 7:54
7 0
3 years ago
Read 2 more answers
Other questions:
  • 815 calories in 4 servings
    12·2 answers
  • The histogram gives information about the waiting time, in minutes, experienced
    10·1 answer
  • If g represent greg's age and his daughter is 4 years less than one half his age , then write an expression for his daughter's a
    13·1 answer
  • I need help finding this answer to this inequality -10[9-2x]-x≤2x-5
    7·1 answer
  • Use the net below.<br><br> 288cm<br> 312cm<br> 336cm<br> 368cm
    14·1 answer
  • He gets paid £6.80 per hour<br> how many hours for 9 and half hours
    5·2 answers
  • The baseball team is ordering hats for the upcoming season. The hat company
    14·1 answer
  • For question 2, find the x- and y-intercept of the line.
    7·1 answer
  • Which value, when placed in the box, would result in a system of equations with infinitely many solutions?
    10·2 answers
  • An artist designed a badge for a school club. Figure ABCD on the coordinate grid
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!