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KatRina [158]
3 years ago
10

Can some one answer quickly please

Mathematics
1 answer:
denis-greek [22]3 years ago
3 0

Answer:

the answer is A -1/3 x

Step-by-step explanation:

hope this helps :)

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An imaginary number has which of the following as a definition?
lyudmila [28]
Her is the definition of an imaginary number An imaginary number is a complex number that can be written as a real number multiplied by the imaginary unit i, which is defined by its property i2 = −1. The square of an imaginary number bi is −b2. For example, 5i is an imaginary number, and its square is −25. Zero is considered to be both real and imaginary.
(Got that from google)
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4 years ago
1. (x-2)(x+3)
OLEGan [10]

Answer:

7 for all of them but the last one is 29

Step-by-step explanation:

i did it

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2 years ago
3^6 over 3^? = 3^4<br><br> What is the missing value?
netineya [11]
For the question mark, we can insert a variable considering it is an unknown number.

\frac{3^6}{3^x}  =  3^4 \\ \\ 3^{6-x} = 3^4 \ / \ use \ qotient \ rule \\ \\ 6 - x = 4 \ / \ cancel \ out \ 3 \\ \\ -x = 4 - 6 \ / \ subtract \ 6 \ from \ each \ side \\ \\ -x = -2 \ / \ simplify \\ \\ x = 2 \ / \ multiply \ each \ side \ by \ -1 \\ \\ Answer: \fbox {x = 2}
5 0
3 years ago
Which expression is the factorization of x2 + 10x + 212
Montano1993 [528]

Answer:

The answer is option 1.

Step-by-step explanation:

Firstly, you have to elaborate the expression :

{x}^{2}  + 10x + 21

=  {x}^{2}  + 3x + 7x + 21

Next you have to take out the common factors and factorize it :

{x}^{2}  + 3x + 7x + 21

= x(x + 3)  +  7(x + 3)

= (x + 7)(x + 3)

8 0
3 years ago
Read 2 more answers
Quadratic equations are never used to solve word problems. True or false?
mel-nik [20]
Quadratic equations CAN be used to solve word problems so the answer to your question is false
7 0
3 years ago
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