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Volgvan
3 years ago
8

Helpppppp pleaseeee me helpppp

Mathematics
1 answer:
Readme [11.4K]3 years ago
3 0

Answer:

$10 + $10 + $1 + 25¢ + 5¢

or

$20 + $1 + 25¢ + 5¢

Step-by-step explanation:

Each one must pay $21.30

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N + 1 - 3N = 9 - N (IN A TEST)
rjkz [21]

Answer:

N= -8

Step-by-step explanation:

a

8 0
2 years ago
Read 2 more answers
Help me I don't know what it is.
kotegsom [21]

Answer:

a is the correct answer

Step-by-step explanation:

-6-(-3)

-6+3

-3

8 0
3 years ago
Please help me!! Will get brainliest!
makvit [3.9K]
Completing the square follows the principle of taking a x^{2} +bx+c and converting it into (x+ \frac{b}{2})^2+d where d is the 'correctional number' as I like to call it - i.e. the number that converts the expanded bracket into the +c, since the expanded bracket will give us a x^{2} +b.

In this case, 2/2=1 so we have the first part: (w+1)^2.
Expanding this gives us w^2+2w+1. We need c to be 9, so we can just add 8.
Putting this together:

w^2+2w+9=(w+1)^2+8

Now we can solve it more easily.
Rearranging:
(w+1)^2=-8 \\ w+1= +-\sqrt{-8} = +-\sqrt{8}i=+-2 \sqrt{2}i   \\ \boxed{w=-1+ 2\sqrt{2}i\ or\ -1-2 \sqrt{2}i  }
5 0
3 years ago
Kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk
notsponge [240]

answer for points sjajkansnsnjjsjs an aanakakakjansbsnsjswwksnnsnsnsjaksmsbsns

7 0
3 years ago
Determine whether the congruence is true or false.<br> 12 ≡ 10 mod 5
dolphi86 [110]

Answer:

The given congruence is false.

Step-by-step explanation:

Given : Expression 12 \equiv 10 \mod 5

To find : Determine whether the congruence is true or false ?

Solution :

The congruence is in the form x\mod y\equiv r

where, x is the dividend

y is divisor

r is the remainder

So, We find  10 \mod 5

We know, 10 is completely divide by 5 and we get quotient is 2 and remainder is 0.

10 \mod 5=0

As 0\neq 12

Therefore, The given congruence is false.

8 0
3 years ago
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