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Zarrin [17]
3 years ago
6

What is the next number in the pattern pattern below?

Mathematics
2 answers:
valkas [14]3 years ago
8 0
The answer is 33 option B
Varvara68 [4.7K]3 years ago
3 0
The answer to this question is A. 31
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What is 1.8 divided by 7.74<br> What is 56.4 divided by 4.7 please explain
Angelina_Jolie [31]
1.8 divided by 7.74 is 0.23 .
And 56.4 divided 4.7 is 12 .
4 0
3 years ago
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
Cos(2α)*sin(α-β)-cos(β-α)*sin(2α)
Hunter-Best [27]

Answer:

Step-by-step explanation:

cos (2α)*sin (α-β)-cos(β-α)*sin(2α)
cos (β-α)=cos {-(α-β)}=cos (α-β)

[cos (-x)=cos x]

sin(α-β)*cos (2α)-cos (α-β)*sin (2α)=sin (α-β-2α)=sin (-α-β)

=sin {-(α+β)}

=-sin (α+β)

6 0
2 years ago
What is the axis of symmetry of the parabola? 12(x+3)= (y–2)2a)
Sav [38]

Answer:

a (y - 2)/6-3 is the answer

hope this helped

6 0
3 years ago
Find the nonpermissible replacement for y in<br> this expression.<br> y + 9<br> y+7
BigorU [14]

Answer:

idk

Step-by-step explanation:

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3 years ago
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