3 years ago

What is the value of x?

Mathematics

1 answer:

Norma-Jean [14]3 years ago

3 0

You can Calculate the mass of magnesium sulphate obtained from 5g of magnesium.

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PLZ HELP! IF THE ANSWER IS CORRECT WILL MARK THE BRAINLIEST :3

AfilCa [17]

average, petite, and tall

50 people are surveyed about favorite preference

450 pairs ordered

average = 25/50, which is half

25/50 = ?/450

so ?/450 = 1/2

450 / 2 = 225, so 225 pairs should be average length.

hoped this helped!

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3 years ago

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Ms. Scagnetti tried very hard to make sure that nobody was left out during dance class. She thought she had a correct head count

frez [133]

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3 years ago

Factoring special case<br>factor each completely<br>9x2-1

Dafna1 [17]

Answer should be 17.

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3 years ago

How many L of an 85% alcohol solution must be mixed with 6 L of a 55% alcohol solution to make a 65% solution?

zepelin [54]

Answer:

3 Liters of the 85% Solution

Step-by-step explanation:

You have to draw your buckets. I can't on computer so imagine the fraction bar is the bottom of the buckets.

$\frac{85}{x}+\frac{55}{6}=\frac{65}{x+6}$

Then we multiply the top of the buckets with the bottom:

85x+330=65x+390

Now we simplify and solve

20x=60

x=3

You need 3 liters of the 85% solution!

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3 years ago

Solve D=RT for D, if T=5hours and R=65mph

brilliants [131]

D=325. u multilply 5 times 65 and thats the answer u get

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