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maksim [4K]
3 years ago
9

Mandis planned to spend RI 000 for shoes this week.

Mathematics
1 answer:
Alja [10]3 years ago
7 0

Answer:

733.05

Step-by-step explanation:

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Stefanie is painting her bedroom. She can paint 12 1/3 square feet in 1/5 of an hour. How many square feet can she paint in one
Mnenie [13.5K]

Answer:

37

Step-by-step explanation:

8 0
3 years ago
The molar mass of AlCl3 is 133.34 g/mol. How many molecules of AlCl3 are there in 2 g?
Mnenie [13.5K]

To solve this problem, we have to apply mole-concept to this and we would need the molar mass of AlCl3.  2g of AlCl3 contains 9.034*10^21 molecules.

<h3>Number of Molecules in 2g of AlCl3</h3>

The molar mass of AlCl3 is given as 133.34g/mol

Data;

  • mass = 2g
  • molar mass = 133.34g/mol

Using the mole concept, we can equate the molar mass to the number of molecules present in the entity.

133.34g = 6.023*10^2^3

If we equate this

133.34g = 6.023*10^2^3\\2g = x molecules\\x = \frac{2*6.023*10^2^3}{133.34} \\x = 9.034*10^2^1 molecules

From the calculations above, 2g of AlCl3 contains 9.034*10^21 molecules.

Learn more on mole concept here;

brainly.com/question/21150359

#SPJ1

5 0
2 years ago
Solve this 2 step equation 3x-8=7
Gwar [14]

Answer:

X=5

Step-by-step explanation:

3x-8=7

3x=15 (add 8 to both sides)

X=5 (divide by 3)

4 0
2 years ago
Read 2 more answers
In a group of 1500 people, 585 have blood type A, 165 have blood type B, 690 have blood type O, and 60 have blood type AB. What
deff fn [24]
When calculating probability you need to remember that probability is:
something that you are observing divided by total number of participants.
The number you get is relative value(has value between 0 and 1) and if you want to get it in percentage (more clearly) just multiply it with 100.

In this case we are observing blood type B persons. Number of them is 165.
Total number of persons is 1500. Therefore our calculation looks like this:

165/1500 = 0.11    or  the probability is 0.11*100=11%
6 0
3 years ago
Read 2 more answers
Lindsey was making got chocolate. She used 3 cups of water to 2 tsp of coco mix. What is the ratio of coco mix to the water?​
sineoko [7]

Answer:

Ratio of coco mix to water is 2 : 3.

Step-by-step explanation:

Given that:

Lindsey used 3 cups of water to 2 tsp of coco mix to make chocolate.

Ratio is the quantitative relationship between two amounts.

Ratio of coco mix to water.

Tsp of coco mix : Cups of water

2 : 3

Hence,

Ratio of coco mix to water is 2 : 3.

3 0
3 years ago
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