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liraira [26]
2 years ago
6

the sum of two digit number is 8 if 18 is added to the number its digits are reversed find the number​

Mathematics
1 answer:
IRINA_888 [86]2 years ago
5 0

Answer:

it's -10

Step-by-step explanation:

18+ (-10)= 8

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If angle 0 is in quadrant I, what is the value of
Brilliant_brown [7]

Answer:

the \: answer \: is \: c \:  =  -  \frac{ \sqrt{14} }{5}

Step-by-step explanation:

\sin^{2}0 + ( \frac{ \sqrt{11} }{5} ) ^{2}  = 1( \sin^{2}0 +  \cos^{2} 0 = 1)

{ \sin }^{2}0 +  \frac{11}{25} = 1   \\  { \sin }^{2}0 =  \frac{14}{25}

\sin0_{1} =  -  \frac{ \sqrt{14}}{5} while \sin0_{2} =  \frac{ \sqrt{14} }{5}

  • Therfore theta is QI
  • Therfore sin theta >0
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4 0
2 years ago
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OLEGan [10]
#3 would be positive
3 0
3 years ago
Read 2 more answers
HELP PLEASEEE. I DONT UNDERSTAND
Shtirlitz [24]

Answer:

D

Step-by-step explanation:

So we have the equation:

x^2-6x+58=0

And we want to solve for x.

We can solve it by completing the square.

First, subtract 58 from both sides:

x^2-6x=-58

Divide the b term by 2 and square it:

(-6)/2=-3\\(-3)^2=9

So, add 9 to both sides:

(x^2-6x+9)=-58+9

On the left, the perfect square trinomial pattern. Add on the right. So:

(x-3)^2=-49

Take the square root of both sides:

x-3=\pm \sqrt{-49}

The square root of -49 is 7i:

x-3=\pm 7i

Add 3 to both sides:

x=3\pm 7i

So, our answer is D.

And we're done!

4 0
3 years ago
Hiii i need help with this!
Lostsunrise [7]

Answer:

On the top right, it keeps adding a 1 by 2 for it to grow larger

Step-by-step explanation:

8 0
3 years ago
Write 3 equivalent ratios for 4/3?
vampirchik [111]
8/6, 12/9, 16/12 are all equivalent to 4/3
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