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olya-2409 [2.1K]
2 years ago
15

Yo skyahbaker072458 whats 51+ 20 -51+ 3

Mathematics
2 answers:
Hitman42 [59]2 years ago
6 0

Answer:

Answer is 51+20-51+3=23.

Step-by-step explanation:

Hope you have a wonderful Christmas and New Years. Thank you this was so nice

snow_lady [41]2 years ago
3 0

Answer:

23

Step-by-step explanation:

51+20-51+3

= 51+20= 71

= 71+3= 74

= 74-51= 23

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Two objects were lifted by a machine. One object had a mass of 2 kilograms and was lifted at a speed of 2m/sec. the other had a
OLga [1]
Sadly, after giving all the necessary data, you forgot to ask the question.
Here are some general considerations that jump out when we play with
that data:

<em>For the first object:</em>
The object's weight is (mass) x (gravity) = 2 x 9.8 = 19.6 newtons
The force needed to lift it at a steady speed is 19.6 newtons.
The potential energy it gains every time it rises 1 meter is 19.6 joules.
If it's rising at 2 meters per second, then it's gaining 39.2 joules of
     potential energy per second.
The machine that's lifting it is providing 39.2 watts of lifting power.
The object's kinetic energy is 1/2 (mass) (speed)² = 1/2(2)(4) = 4 joules.

<em>For the second object:</em>
The object's weight is (mass) x (gravity) = 4 x 9.8 = 39.2 newtons
The force needed to lift it at a steady speed is 39.2 newtons.
The potential energy it gains every time it rises 1 meter is 39.2 joules.
If it's rising at 3 meters per second, then it's gaining 117.6 joules of
     potential energy per second.
The machine that's lifting it is providing 117.6 watts of lifting power.
The object's kinetic energy is 1/2 (mass) (speed)² = 1/2(4)(9) = 18 joules.

If you go back and find out what the question is, there's a good chance that
you might find the answer here, or something that can lead you to it.

4 0
3 years ago
Kết quả của phép tính : 2(x+1) là?
Gwar [14]

Answer:

2x + 2 is your using distributive property

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
PLEASE HELP!!!!!!!!!!!!!!!
vivado [14]
Hi there ! i think is number one. or a
4 0
3 years ago
Read 2 more answers
I need this question answered fast ;c
Margarita [4]
It’s prob 20 or 30 Bc 18 is rounded to 20 and 29 is rounded to 30
5 0
3 years ago
Read 2 more answers
A take-and-bake pizza chain has several
tankabanditka [31]
Answer: 35% off coupon

Explanation:
17.90-5= 12.90

x/17.90=35/100
Cross multiply: 17.90(35)=100x
Simplify: 626.50=100x
Divide by 100: 6.265
Round: 6.27
Subtract: 17.90-6.27=11.63
8 0
3 years ago
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