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True [87]
3 years ago
9

Which one of these is the identity for addition? 1 -1 0

Mathematics
2 answers:
Liono4ka [1.6K]3 years ago
7 0

Answer:

Zero  / 0

Step-by-step explanation:

Musya8 [376]3 years ago
3 0

Answer:

I think it would be 1 because -1 is not addition it is subtraction and 0 doesn't equal any

I hope this helped you :D

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The value of a two-digit number is 10 more than 3 times the sum of its digits. The units digit is 1 more than twice the tens dig
mrs_skeptik [129]

Answer:

49

Step-by-step explanation:

the number is "ab" (2 digits).

ab - 10 = 3×(a+b)

a number is actually the sum of multiplying the digits with their associated powers of 10.

a×10 + b - 10 = 3a + 3b

7a - 2b = 10

b-1 = 2×a

b = 2a + 1

7a - 2×(2a+1) = 10

7a - 4a - 2 = 10

3a = 12

a = 4

b = 2×4 + 1 = 9

8 0
3 years ago
WILL GIVE BRAINLIEST
mafiozo [28]

Answer:

(6x - 1) • (2x + 9)

Step-by-step explanation:

STEP

1

:

Equation at the end of step 1

 ((22•3x2) +  52x) -  9

STEP

2

:

Trying to factor by splitting the middle term

2.1     Factoring  12x2+52x-9  

The first term is,  12x2  its coefficient is  12 .

The middle term is,  +52x  its coefficient is  52 .

The last term, "the constant", is  -9  

Step-1 : Multiply the coefficient of the first term by the constant   12 • -9 = -108  

Step-2 : Find two factors of  -108  whose sum equals the coefficient of the middle term, which is   52 .

     -108    +    1    =    -107  

     -54    +    2    =    -52  

     -36    +    3    =    -33  

     -27    +    4    =    -23  

     -18    +    6    =    -12  

     -12    +    9    =    -3  

     -9    +    12    =    3  

     -6    +    18    =    12  

     -4    +    27    =    23  

     -3    +    36    =    33  

     -2    +    54    =    52    That's it

Step-3 : Rewrite the polynomial splitting the middle term using the two factors found in step 2 above,  -2  and  54  

                    12x2 - 2x + 54x - 9

Step-4 : Add up the first 2 terms, pulling out like factors :

                   2x • (6x-1)

             Add up the last 2 terms, pulling out common factors :

                   9 • (6x-1)

Step-5 : Add up the four terms of step 4 :

                   (2x+9)  •  (6x-1)

            Which is the desired factorization

HOPE IT HELPS! :))

8 0
2 years ago
Can anyone share the process please? ​
gtnhenbr [62]

Answer:

3x³ + x² + x + 1

= 3x³ - 3x² + 4x² - 4x + 5x - 5 + 6

= 3x²(x - 1) + 4x(x - 1) + 5(x - 1) + 6

= (x - 1)(3x² + 4x + 5) + 6

but 3x³ + x² + x + 1 = (x - 1).Q(x) + R

=> Q(x) = 3x² + 4x + 5

R = 6

4 0
2 years ago
I^333 simplified. pls answer
Oduvanchick [21]

Given:

i^{333}\begin{gathered} i^{332}i \\  \\ (i^4)^{83}i \end{gathered}

Solving further:

\begin{gathered} \text{ Where:} \\ i^4=1 \\  \\ (1)^{83}i \\  \\ =1i \\  \\ =i \end{gathered}

ANSWER:

i

7 0
1 year ago
What is the answer please help
Zinaida [17]
<h2>The answer is: D</h2>

(12 x 4= 48) + (4 x 2=8) = 56

The 4 is for the $4 amount spent on adult tickets. The 2 is for the $2 amount spent on child tickets.

HOPE THIS HELPS!

4 0
3 years ago
Read 2 more answers
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