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Hatshy [7]
3 years ago
15

Determine in which quadrant the product of cos 3pi/4 + isin 3pi/4 and 4(cos pi/2 + isin pi/2) lies.

Mathematics
1 answer:
otez555 [7]3 years ago
4 0

Answer:

Step-by-step explanation:

if cot=3/4 and the terminal point determined by is in quadrant 3, then ... cos ((3\pi )/(4)) ... The angle of elevation to the top of a 20-story skyscraper is measured to be 2 ... If the point P(-4/5,y) lies on the unit circle and P is in the third quadrant, what does y equal ...... if z1=5+5i and z2=8(cos(3pi/7)+isin(3pi/7)) then z1 z2=____?

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Answer:

A = 1.0 L

B = 0.50 atm

C = 0.60 atm

D = 4.0 L

Step-by-step explanation:

According to the Boyle's law, the volume of a gas is inversely proportional to its volume. If we consider an initial state (1) and a final state (2):

P₁ × V₁ = P₂ × V₂

A

P₁ × V₁ = P₂ × V₂

1.5 atm × 2.0 L = 3.0 atm × A

A = 1.0 L

B

P₁ × V₁ = P₂ × V₂

1.5 atm × 2.0 L = B × 6.0 L

B = 0.50 atm

C

P₁ × V₁ = P₂ × V₂

1.5 atm × 2.0 L = C × 5.0 L

C = 0.60 atm

D

P₁ × V₁ = P₂ × V₂

1.5 atm × 2.0 L = 0.75 atm × D

D = 4.0 L

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4 years ago
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The total would be $2.73.
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fathi has $1.10 in his printing account. each sheet of paper he uses reduces his printing account balance by $0.25. Fathi wants
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Answer:

IF THE question is After Fathi prints, what will be the balance in his printing account?

then it is: $1.9

There are 47 pages.

Printing on both sides would divide the number of pages into half.

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2 pages on each side would mean 4 pages on one sheet. Therefore, the number of pages will be further divided by 2.

23.5/2 = 11.75

There cannot be 11.75 pages so we will round it up to 12 pages.

Each page costs $0.25 so 12 pages will cost:

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Faithi has $1.1 so new account balance will be:

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Therefore, Fathi's balance in his printing account would be negative $1.9.

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3 years ago
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Answer:

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Step-by-step explanation:

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