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just olya [345]
2 years ago
11

Two easy seventh grade problems, please help !

Mathematics
1 answer:
N76 [4]2 years ago
4 0

Answer: Step-by-step explanation:

#1.         +4.9       +4.9

             m/2.8 = _____

              *2.8       *2.8           Multiply both by 2.8

   Calculate the answer this is your work after all!!!                

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On planet Zorg, a 30 kg barbell can be lifted by only exerting a force of 180N. What is the acceleration of gravity on Planet Zo
WITCHER [35]
To calculate g, we use the formula F= mg. F is given as 180N, and m is given as 30 kg, therefore:
180N = (30kg)(g)
g = 6 m.s-1.
The motion of this object would be decreased on Earth as more force would be required to lift it. If we assume g is 9.8 m.s-1 on Earth, we can calculate the force required.
F = mg
   = (30kg)(9.8 m.s-1)
   = 294 N

5 0
3 years ago
Plzzzz help right answer gets a brainly!
masha68 [24]

Answer: A, The line starts at 9 and ends at 29

5 0
2 years ago
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3 ft – 7 inches to decimal feet. Record your answer to the nearest hundredth of a<br> foot.
Artemon [7]

3 ft – 7 inches to decimal feet. Record your answer to the nearest hundredth of a foot.  

rounded 2.42 ft

4 0
3 years ago
Sean reads 1 1/2 pages in 3 1/3 minutes. What is his average page per minute?
Helga [31]

Answer:

9/20 pages per minute.

Step-by-step explanation:

4 0
3 years ago
Here's the rest of my points for anyone who wants them :)
kramer

Answer:

7

Step-by-step explanation:

line in the middle is an angle bisector

14/6 = 21 / 3x - 12

first, cross multiply

14 (3x - 12) = 6*21

Remove the brackets

42x - 168 = 126

Add 168 to both sides

42x = 168 + 126

Combine

42x = 294

Divide by 42

x = 294/42

x = 7

chegg

brainly.com/question/16979551?utm_source=android&utm_medium=share&utm_campaign=question

3 0
1 year ago
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