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exis [7]
2 years ago
5

Screenshot 2022-05-05 2. 03.15 PM.p

Mathematics
1 answer:
frez [133]2 years ago
5 0

Answer:

A. y= -2x-3

Step-by-step explanation:

multiply the parenthasis by -2 to get -2x-8 then add 5 to both sides with equals y= -2x-3

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Plz Answer This Mathematics Question??? NEED HELP ASAP
vazorg [7]

Answer:

5.78 * 10^8

Step-by-step explanation:

8.5 * 6.8 = 57.8

5+2=7

In scientific notation the number has to be greater than or equal to 1 and less than ten.

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3 years ago
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The wholesale price for a of shoes is $7.50. A certain department store marks up the wholesale price by 50%. Find the price of t
morpeh [17]

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$11.25

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4 0
3 years ago
Solve for x in the hanger below
Eva8 [605]

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Step-by-step explanation:

5 0
2 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
Can y’all help me on question six?!
Anna [14]

Answer:

c 2:1

Step-by-step explanation:

8/4=2

4/4=1

8:4 simplified is 2:1

3 0
3 years ago
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