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lara31 [8.8K]
3 years ago
10

3(5x - 2) - 6x = 3(3x + 2)

Mathematics
1 answer:
kap26 [50]3 years ago
8 0
9x-6=9x+6
9x-9x=6+6
x=12
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3 2/3 x 1/5= please help
Nonamiya [84]

Answer: 11/15

Step-by-step explanation:

6 0
3 years ago
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
Please answer. Confusing me. 20 points.
Sedbober [7]
The answer is either x = -1 or x = 4.
7 0
2 years ago
The value of y varies directly with the value of x. When y = 15, x = 3. What is the value of x when y = 60?
Viefleur [7K]
The answer is B
because at first y was equal to 15 and x equaled to 3 the quotient of 15/3 = 5.
now the y is 60 so, 60/5 = 12
6 0
3 years ago
FIRST PROPER ANSWER GETS BRAINLIEST ON TEST PLEASE HELP!!!
Irina-Kira [14]
Area of a semicircle = \pi r² / 2 
r= 5/2 = 2.5

So: A= 3.14 x 2.5² / 2  A = 9.8125 so rounding to the nearest hundredth is A=9.81
8 0
3 years ago
Read 2 more answers
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