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3 years ago

PLEASE HELP ME NOW PLEASE

Mathematics

1 answer:

kkurt [141]3 years ago

8 0

9514 1404 393

Answer:

x = 12

Step-by-step explanation:

Angle U is supplementary to the arc intercepted by the tangents.

5x +10 = 180 -110

5x = 60 . . . . . . subtract 10 and simplify

x = 12 . . . . . . . . divide by 5

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36 + 12 = 3.

aleksley [76]

Answer:

12×3=36

Step-by-step explanation:

hope that helps you out

3 0

3 years ago

What two numbers multiply to -126 and add up to -65

Airida [17]

Xy = -126
x + y = -65

$xy = -126$
$\frac{xy}{x} = \frac{-126}{x}$
$y = \frac{-126}{x}$

$x + y = -65$
$x + \frac{-126}{x} = -65$
$\frac{x^{2}}{x} + \frac{-126}{x} = -65$
$\frac{x^{2} - 126}{x} = -65$
$-65x = x^{2} - 126$
$0 = x^{2} + 65x - 126$
$x = \frac{-(65) \+ \sqrt{(65)^{2} - 4(1)(-126)}}{2(1)}$
$x = \frac{-65 \± \sqrt{4225 + 504}}{2}$
$x = \frac{-65 \± \sqrt{4729}}{2}$
$x = \frac{-65 \± 68.8}{2}$
$x = \frac{-65 + 68.8}{2}$ $or$ $x = \frac{-65 - 68.8}{2}$
$x = \frac{3.8}{2}$ $or$ $x = \frac{-133.8}{2}$
$x = 1.9$ $or$ $x = -66.9$

x + y = -65
  1.9 + y = -65
- 1.9   - 1.9
y = -66.9
  (x, y) = (1.9, -66.9)

or

  x + y = -65
  -66.9 + y = -65
+ 66.9 + 66.9
y = 1.9
  (x, y) = (-66.9, 1.9)

The two numbers that add up to -65 and can multiply to -126 are the numbers -66.9 and 1.9.

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3 years ago

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Digiron [165]

Step-by-step explanation:

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3 years ago

what is the approximate percent increase when the population of a town increases from 12089 to 15025? round the amounts to the n

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