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Nat2105 [25]
3 years ago
5

Write 55 as a product of its prime factors

Mathematics
2 answers:
disa [49]3 years ago
5 0

Answer:

To express 55 as a product of its prime factors you do long division

After you've done that you will get this as your final answer

55= 5×11

Roman55 [17]3 years ago
4 0

Answer:

55 = 5 × 11

Step-by-step explanation:

The only prime factors of 55 are 5 and 11, thus

55 = 5 × 11

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The isotope cobalt-60 has a nuclear mass of 59.933820 u
Lesechka [4]
Cobalt has an atomic number (Z) of 27, which means the nuclei of all its isotopes have 27 protons. Cobalt 60 has an atomic mass of 60, so it has 60-27 = 33 neutrons.

The mass of 27 isolated protons plus the mass of 33 isolated neutrons would be:

27*(1.007825 u) + 33*(1.008665 u) = 60.497220 u

The actual mass of the nucleus of 60-Co is 59.933820 u.

Mass defect: 60.497220 u - 59.933820 u = 0.563400 u

The mass defect is equal to the binding energy of a nucleus.
using the fact that 1 u = 931.5 MeV/c^2

(0.563400 u)*(931.5 MeV/u) = 524.807 MeV

3 0
3 years ago
-1+5/4x=-16<br> What number is x representing?
ValentinkaMS [17]

Answer:

x = -12,

Step-by-step explanation:

-1 + 5/4x = -16

5/4 x = -16 + 1

5/4 x = -15

x = -15 * 4/5

x = -12.

5 0
3 years ago
A bag contains 3 red,4 green, and 5 blue marbles. Three marbles are drawn at random. What is the probability that all three are
Reptile [31]

Answer:

1/22

Step-by-step explanation:

assuming that the marbles drawn are not replaced:

P(red) = 3/12 or 1/4

P(green) = 4/11

P(blue) = 5/10 or 1/2

multiply the probabilities together:

1/4 x 4/11 x 1/2 = 1/22

8 0
2 years ago
What is the solution to this equation?<br> 3x- x+8+5x-2=10
VashaNatasha [74]
3x -x + 8 + 5x - 2 = 10
3x - x + 5x = 10 -8 +2
7x = 4
x = 7/4
5 0
3 years ago
Best answer gets Brainliest!!!
Murrr4er [49]

Answer:

The table C

Step-by-step explanation:

when you multiply the x number in the table c by 0.3 you get the same answer as the one in the y column. The constant of proportionality  is the value that stays constant in the ratio. Since when you multiply each number in the x column by 0.3 and you always get the number in the y column it shows that the table c is correct.

3 0
3 years ago
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