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aleksley [76]
4 years ago
12

190 m 90 m 10 m 40 m What is the area

Mathematics
1 answer:
liberstina [14]4 years ago
7 0

Answer:

Rect Area= Lw

3D Rect Area= 2(wh+lw+lh)

Step-by-step explanation:

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Determine the number of atoms in<br> 98.3 g mercury, Hg
Arisa [49]
The answer is 2.95 × 10²³ atoms

Atomic mass is 200.59 g.
So, 1 mole has 200.59 g. Let's calculate how many moles have 98.3 g:
1M : 200.59g = x : 98.3g
x = 98.3 g * 1 M : 200.59 g = 0.49 M

To calculate this, we will use Avogadro's number which is the number of units (atoms, molecules) in 1 mole of substance:

6.023 × 10²³ atoms per 1 mole
<span>How many atoms are in 0.49 mole:
</span>6.023 × 10²³ atoms : 1M = x : 0.49M
x = 6.023 × 10²³ atoms : 1M * 0.49M = 2.95 × 10²³ atoms
8 0
4 years ago
Read 2 more answers
Which explicit formula can be used to find the number of rabbits in the nth generation ?
vampirchik [111]

Answer:

A

Step-by-step explanation:

Let's check

The formula is 3 *6^(n-1)

The first generation had 3 rabbits

3*6(1-1) = 3*6^0 = 3*1 =3

That works

Try it again with the 2nd generation

n is the number of generation

3*6^(2-1)= 3*6^1 = 18

●●●●●●●●●●●●●●●●●●●●●

We can deduce the formula

The initial number of rabbits is 3

Each time we multiply by 6

So for the generation number n the formula will be :

3*6^(last generation-first generation)

3*6^(n-1)

5 0
3 years ago
Read 2 more answers
|28−x| =0<br> plz help show steps
eimsori [14]

Answer:

x=28

Step-by-step explanation:

|28-x|=0

|28-28|=0

x=28

8 0
4 years ago
What is the simplified form of the expression?
babymother [125]
C. (2/5)^2 * n^9*2
4/25n^18
5 0
3 years ago
Boris has 10 pairs of jeans, 15 T-shirts, and 7 sweaters in his closet. Write the ratio of sweaters to pairs of jeans using a co
Viktor [21]

Answer: 7:10

Step-by-step explanation: You are asked to find the ratio of sweaters to pairs of jeans. All you do is write the 7 sweaters and the 10 pairs of jeans. And you get a ratio of 7:10. Since this cannot be reduced any further, you just leave it as it is.

Hope this helps.

3 0
2 years ago
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