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motikmotik
3 years ago
14

How much more intense is an earthquake that measures 7.5 on the Richter scale than one that measures 6.2?

Mathematics
1 answer:
PolarNik [594]3 years ago
7 0
It would be 1.3 less than the other.
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How many molecules of H20 are in 1 mole of H20?​
likoan [24]

one mole of water contains 6.02 x 1023 MOLECULES of water. But each molecule of water contains 2 H and 1 O atom = 3 atoms, so there are approximately 1.8 x 1024 atoms in a mole of water.

6 0
2 years ago
2(x+2) - 3(x-3)=x+7​
babunello [35]

Step-by-step explanation:

Let's solve your equation step-by-step.

2(x+2)−3(x−3)=x+7

Step 1: Simplify both sides of the equation.

2(x+2)−3(x−3)=x+7

(2)(x)+(2)(2)+(−3)(x)+(−3)(−3)=x+7(Distribute)

2x+4+−3x+9=x+7

(2x+−3x)+(4+9)=x+7(Combine Like Terms)

−x+13=x+7

−x+13=x+7

Step 2: Subtract x from both sides.

−x+13−x=x+7−x

−2x+13=7

Step 3: Subtract 13 from both sides.

−2x+13−13=7−13

−2x=−6

Step 4: Divide both sides by -2.

−2x

−2

=

−6

−2

x=3

Answer:

x=3

8 0
2 years ago
Construct a 2 ×2 Matrix whose elements aij are given by a ij = i+j
beks73 [17]

Answer:

the required matrix is can be given as

8 0
2 years ago
Copycats copies charges $.18 for the first copy and $.12 for each additional copy what is the greatest number of copies you can
Kazeer [188]
The greatest number of copies you can et for three dollars is 24.
4 0
3 years ago
Did I get this right? I want to make sure... please let me know
son4ous [18]
Yes is correct, but please do include units (Dollars, farenheit)
7 0
3 years ago
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