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ohaa [14]
3 years ago
6

Determine A:B:C, if A:B= 2:3 and B:C =4: 5​

Mathematics
1 answer:
cestrela7 [59]3 years ago
6 0
I’m confused what we are suppose to do
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1. How much work is done when a 65 newton force moves a block 5 meters?
Alik [6]

Answer:

i am not sure but i might know how to do it

Step-by-step explanation:

work is described as taking place when a force acts upon an object to cause a displacement. When a force acts to cause an object to be displaced, three quantities must be known in order to calculate the work. Those three quantities are force, displacement and the angle between the force and the displacement. The work is subsequently calculated as force•displacement•cosine(theta) where theta is the angle between the force and the displacement vectors. In this part of Lesson 1, the concepts and mathematics of work will be applied in order to analyze a variety of physical situations

8 0
3 years ago
Solve the equations using the substitution method:<br> 4x -2y =22<br> 2x + 4y = 6
Ugo [173]
We have that
<span>4x -2y =22------> clear variable y
2y=4x-22--------> y=4x/2-22/2---------> y=2x-11-----> equation 1
2x + 4y = 6------> equation 2

substitute equation 1 in equation 2
2x+4*[2x-11]=6-----> 2x+8x-44=6----> 10x=50------> x=5
then 
y=2x-11----> y=2*5-11----> y=-1


</span>
4 0
3 years ago
Out of 120 high school boys and 80 high school girls, 45 tried out for track. Of those 45, 12 were girls.
zhannawk [14.2K]
<span>So there are 33 boys who tried out for track. And this is 27.5 % of the total boys. And there 15% of the girls who tried out for the track. And in total 22.5 % of the total population tried out for track</span>
5 0
3 years ago
What is 89,659rounding to the nearest hundred thousand
algol [13]
89,659 rounded to the nearest hundred thousand = 100,000
3 0
3 years ago
Plz help!plzzzzzzzzz
Alexxandr [17]

Answer:

Use quickmath.com

or

You can use photo math to get the answer

3 0
2 years ago
Read 2 more answers
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