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GrogVix [38]
2 years ago
12

What expressions are equivalent to -4+(4+5)

Mathematics
2 answers:
Anit [1.1K]2 years ago
4 0

Answer and Step-by-step explanation:

Greetings!

I'm~Isabelle~Williams~and~I'll~be~answering~your~question!

This~equation~is~really~simple~actually.

-4+(4+5)

=-4+9

=5

5~is~the~answer~to~your~question!

raketka [301]2 years ago
4 0
This the answer-4+(4+5)
-4+ 9
=5
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What are the factors of 2x^2 + 5x -12?
Andrews [41]

Answer:

(2x - 3) • (x + 4)

Step-by-step explanation:

Step  1  :

Equation at  step  1  :

 (2x2 +  5x) -  12

Step  2  :

Trying to factor by splitting the middle term

2.1     Factoring  2x2+5x-12  

The first term is,  2x2  its coefficient is  2 .

The middle term is,  +5x  its coefficient is  5 .

The last term, "the constant", is  -12  

Step-1 : Multiply the coefficient of the first term by the constant   2 • -12 = -24  

Step-2 : Find two factors of  -24  whose sum equals the coefficient of the middle term, which is   5 .

-24    +    1    =    -23  

     -12    +    2    =    -10  

     -8    +    3    =    -5  

     -6    +    4    =    -2  

     -4    +    6    =    2  

     -3    +    8    =    5

Step-3 : Rewrite the polynomial splitting the middle term using the two factors found in step 2 above,  -3  and  8  

                    2x2 - 3x + 8x - 12

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

                   x • (2x-3)

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

                   4 • (2x-3)

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

                   (x+4)  •  (2x-3)

            Which is the desired factorization

3 0
3 years ago
Write down two factors of 18
frutty [35]

Answer:

Any two factors of 18 2 ,3

7 0
2 years ago
Read 2 more answers
12. 13. 15. Plz help
Lera25 [3.4K]
12.  37,  370,  10^2
13.   20.4, 10^2, 2040
15.   1000*1.75=1750
Hope it helped!
6 0
2 years ago
Read 2 more answers
Please help meeee ………..
Len [333]

Answer:

  x = 5

Step-by-step explanation:

The equality of bases property says powers of the same base will be equal if and only if the powers are equal. This property is used to solve exponential equations.

<h3>Application</h3>

  \dfrac{(2)^x}{2}=16\qquad\text{copy of the original equation}\\\\2\times\dfrac{(2)^x}{2}=2\times16\qquad\text{multiply by 2 to isolate the base}\\\\2^x=32\qquad\text{simplify}\\\\2^x=2^5\qquad\text{rewrite the constant as a power of 2}\\\\\boxed{x=5}\qquad\text{use the Equality of Bases Property}

__

<em>Additional comment</em>

Equating the exponents is fully equivalent to taking the logarithm of both sides of the equation, to that base.

  \log_2(2^x)=\log_2(2^5)\ \Longrightarrow\ x=5

6 0
1 year ago
Find the value of x and the measure of the angle labeled 3x.
igor_vitrenko [27]

Answer:

D

Step-by-step explanation:

3x and 30 are vertically opposite angles and congruent, then

3x = 30 ( divide both sides by 3 )

x = 10 , thus

3x = 3 × 10 = 30°

x = 10 ; angle measure is 30° → D

4 0
3 years ago
Read 2 more answers
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