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Digiron [165]
3 years ago
10

What are the coordinates of the x-intercept of the equation 2x - 3y = 8?

Mathematics
1 answer:
ludmilkaskok [199]3 years ago
4 0

Answer:

(4;0)

Step-by-step explanation:

y=0

2x-3×0=8

2x=8

x=4

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snow_tiger [21]

Explanation:

It can help to draw your own figure with the right angles better represented. You will notice that right triangles PQR and PRS share side RS. PQ is the hypotenuse of one of them; RS is the hypotenuse of the other.

We can write two equations that make use of the Pythagorean theorem:

  PQ² = PR² +RQ²

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Then we can swap sides of the first equation and subtract the second equation. This gives ...

  (PR² +RQ²) -(RS²) = (PQ²) -(QS² +RQ²)

Adding RQ², we can write this as ...

  PR² -RS² +2RQ² = PQ² -QS²

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The given relationship PR > RS means that PR² -RS² will be positive, so the left side of this equation must be positive.

Since PQ² - QS² is a positive number, PQ > QS.

6 0
3 years ago
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Ymorist [56]

Answer:

Percentage of error by Clare is estimated as 4.1667 %

Step-by-step explanation:

Height measured by Clare = 4 feet

Height measured by Doctor = 4 feet, 2 inches

Percentage error = ?

Percentage error = Difference/ Actual height *100

Percentage error = (2/ (4*12))*100

Percentage error = 4.1667 %

The accurate height is measured by Doctor, as he have more accurate measurement system.

6 0
3 years ago
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aksik [14]

Answer:

2 3/4 Gallons

Step-by-step explanation:

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8 0
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Area = π.R²   AND CIRCUMFERENCE = 2π.R
Let's calculate R (radius):

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CIRCUMFERENCE = 2π.R =  2π.12 = 24 π = 75.39 84 (Answer D)
5 0
3 years ago
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