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Jet001 [13]
3 years ago
5

If a=2,c=4 e=-6 then 3a-3(2c-e)

Mathematics
2 answers:
Sloan [31]3 years ago
6 0
Its 36 your welcome people
Gnom [1K]3 years ago
4 0
The answer will be negative 36
HOPE IT HELPS,
 
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A fair coin is flipped 5 times
wolverine [178]

Answer:

2/5

Step-by-step explanation:

The answer is common sense.

4 0
2 years ago
A car has mass 1500 kg and is traveling at a speed of 35 miles/hour. what is its kinetic energy in joules? (Be sure to convert m
photoshop1234 [79]

Answer:

Factor by which kinetic energy increase = 4 times

Step-by-step explanation:

Given,

  • Mass of the car, v1 = 1500 kg
  • initial speed of car = 35 miles/h

                               =\dfrac{35\times 1609.34}{3600}\ m/s

                               = 15.64 m/s

Initial kinetic energy of the car is given by,

k_1\ =\ \dfrac{1}{2}.m.v_1^2

       =\ \dfrac{1}{2}\times 1500\times (15.64)^2\ joule

       = 183606.46 J

  • Final velocity of car v2 = 70 miles/hour

                                      =\dfrac{70\times 1609.34}{3600}

                                      = 31.29 m/s

So, final kinetic energy of car is given by

k_2\ =\ \dfrac{1}{2}.m.v_2^2

        =\ \dfrac{1}{2}\times 1500\times (31.29)^2

        = 734425.84 J

Now, the ratio of final to initial kinetic energy can be given by,

\dfrac{k_2}{k_1}=\ \dfrac{734425.84}{183606.46}

=>\ k_2\ =\ 4k_1                      

Hence, the kinetic energy will increase by 4 times.

7 0
2 years ago
Helpppp i literally have no idea which one it is
SVETLANKA909090 [29]

Ya what the person above me said

7 0
2 years ago
Plz help me help help
mylen [45]

in order to solve these equations, you need to divide the number by the varible. so #5 is 2.5y=5. you would divide 5 by 2.5, to get 2. the answer would be y=2

8 0
2 years ago
A basket of laundry is being separated. Divide 48 pieces of clothing into 2 groups so that the ratio is 1:3
Alla [95]
Ratio is 1:3.....added = 4

1/4(48) = 48/4 = 12
3/4(48) = 144/4 = 36

the 2 groups will be 12 and 36
5 0
2 years ago
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