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victus00 [196]
3 years ago
6

Write the equation of the line with slope = -3 and passes through (2,7)

Mathematics
1 answer:
andriy [413]3 years ago
6 0

Answer:

Step-by-step explanation:

y - 7 = -3(x - 2)

y - 7 = -3x + 6

y = -3x + 13

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Solve the quadratic equation 3x^2 - 9x + 1 = 0 Give answer to 3 significant figures
Orlov [11]

Answer:

Either, (9+√69)/6 or (9-√69)/6

Step wise:

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comparing equation onw with (ax²+bx+c=0), we get,

a=3, b=-9, c=1

now,

using Quadratic Formula,

(-b±√b²-4ac)/2a=x

{-(-9)±√(-9)²-4.3.1}/2.3=x

(9±√81-12)/6=x

(9±√69)/6=x

Taking +(ve) sign                   Taking -(ve) sign

(9+√69)/6=0                           (9-√69)/6=0

∴(9+√69)/6=0                         ∴(9-√69)/6=0

[∵They cannot be further solved]

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3 years ago
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sergij07 [2.7K]

Answer:

d and ef

Step-by-step explanation:

efwfnhew'foehfnwekf;esf

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3 years ago
What is the discount price for 52% of 210?<br><br>10,920<br><br>1,092<br><br>158<br><br>109.20​
Elena L [17]

Answer:

the answer is 109.20

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3 years ago
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maksim [4K]

Answer:

b = 8

Step-by-step explanation:

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b = ?

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3 years ago
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Answer: 80 ft²

Step-by-step explanation:

The area of a trapezoid is one half  the product of the height and the sum of the lengths of the  bases.

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3 0
3 years ago
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