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sveticcg [70]
3 years ago
6

Help me please thank you

Mathematics
2 answers:
alexandr402 [8]3 years ago
6 0
I think question 1 is -8
Ainat [17]3 years ago
5 0
First one is -8. 

Second one, I can't tell because I don't see it

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Write the equation of this circle in standard form. A) (x - 2)2 + (y - 3)2 = 4
Vika [28.1K]

Answer:

x^2 + y^2 -4x -6y + 9 = 0

Step-by-step explanation:

To write a circle in standard form, expand the equation of the circle and move all terms to one side.

(x-2)^2 + (y-3)^2 = 4\\x^2 -4x + 4 + y^2 -6y + 9 = 4\\x^2 +y^2 - 4x - 6y + 13 = 4\\x^2 + y^2 -4x -6y + 9 = 0

8 0
3 years ago
Help please I’m so bad at these
vova2212 [387]

Answer:

23/24

Step-by-step explanation:

I used my calculator, but find the greatest common factor which is 24 and convert and multiply to get 23/24.

4 0
3 years ago
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Simplify 12 to the 16th power over 12 to the 4th power.
viva [34]

Answer:

12 power 12

Step-by-step explanation:

Since the have the same base 16-4=12

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3 0
3 years ago
Which of the following shows the correct graph and solution of the system
loris [4]

Answer:

solution = (1.-2)

Step-by-step explanation:

put x= 1 and y = -2 in this system  :  y=-4x+2 and y + 2x = 0

you have :  - 2 = - 4(1)+2  and -2 +2(1)=0

-2=-2 and 0=0 .....right

3 0
3 years ago
WILL GIVE BRAINLIEST FOR THE RIGHT ANSWER!!
vredina [299]

Answer:

19 gram

Step-by-step explanation:

Formula of mass left after ionising: \frac{M}{2^{n} }  where M is original mass and n is half lives.

Using the equation:

\frac{150}{2^{3} } → 18.75

Therefore, 18.75 g left after ionising.

∵ If rounded to nearest gram then 19 gram.

7 0
3 years ago
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