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just olya [345]
3 years ago
11

3x2 – 18x + 225 = 6 What’s the answer

Mathematics
1 answer:
posledela3 years ago
6 0

Answer:

12.5

Step-by-step explanation:

1) Original equation: 3(2) - 18x +225 = 6

2) Simplify: 6 - 18x + 225 = 6

3) Move 18x over to the right: 6 + 225 = 6 + 18x

4) Move the 6 on the right over to the left: 225 = 18x

5) Divide both sides by 18 to isolate x: 225/18, 18x/18

6) x = 12.5

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AveGali [126]
Given that the coordinates of the point A is (2,7) and the coordinates of the point B is (6,3)
We need to determine the midpoint of A and B
Midpoint of A and B:
The midpoint of A and B can be determined using the formula,

Substituting the points (2,7) and (6,3) in the above formula, we get;

Adding the numerator, we have;

Dividing the terms, we get;

Thus, the midpoint of the points A and B is (4,5)


Message me if you need anything else I’ll be happy to help.
6 0
3 years ago
Solve x2 - 10x = -21
ipn [44]

Answer:

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x^2 - 10x + 21 = 0

do factorization, guess and check

(x - 7) (x -3) = 0

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8 0
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Step-by-step explanation:

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Step-by-step explanation:

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