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Eva8 [605]
2 years ago
9

Solve the equation for t. (t-7)^2+18=9

Mathematics
1 answer:
Anika [276]2 years ago
4 0

Answer:

t = 7 + 3i

Step-by-step explanation:

(t-7)^2 + 18 = 9

(t-7)^2 = 9 - 18

(t-7)^2 = -9

(t-7) = sqrt(-9) = |3| sqrt(-1)

t = 7 + 3i

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A flower bed contains 52 roses and 48 tulips. Two flowers have wilted, what is the probability that the flower is a tulip.
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5 0
2 years ago
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timofeeve [1]

Answer:

solution :

    x = 4

Rearrange:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

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Step by step solution :

Step  1  :

Equation at the end of step  1  :

 5 • (x - 10) -  (30 - 15x)  = 0

Step  2  :

Step  3  :

Pulling out like terms :

3.1     Pull out like factors :

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Equation at the end of step  3  :

 20 • (x - 4)  = 0

Step  4  :

Equations which are never true :

4.1      Solve :    20   =  0

Step-by-step explanation:

4 0
3 years ago
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