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scoray [572]
3 years ago
8

4. (5x2)(-4x3) the 2 and the 3 are exponents

Mathematics
1 answer:
Arisa [49]3 years ago
7 0

Answer:

<h2>-20x⁵</h2>

Step-by-step explanation:

(5x^2)(-4x^3)=\bigg(5\cdot(-4)\bigg)(x^2x^3)\\\\\text{use}\ a^na^m=a^{n+m}\\\\=-20x^{2+3}=-20x^5

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Evaluate 1/3 21-1-1/2 12
bearhunter [10]

Answer:

0

Step-by-step explanation:

 

Simplify   1/2

           

Equation at the end of step  1  :

   1                 1

 ((— • 21) -  1) -  (— • 12)

   3                 2

Step  2  :

           1

Simplify   —

           3

Equation at the end of step  2  :

   1                

 ((— • 21) -  1) -  6

   3                

Step  3  :

Pulling out like terms :

3.1      Pull out     6  

After pulling out, we are left with :

     6 • ( 1 +( (-1) ))

Final result :

 0

7 0
4 years ago
10 points Help Me Please I will give brainiest​
Effectus [21]

Answer:

The slope is 1/2

Step-by-step explanation:

To find the slope you use the formula rise/run

The rise is the second y coordinate minus the first y coordinate

The run is the second x coordinate minus the first y coordinate

Step one:

Take 2 points: I used (2,1) and (4,2)

Step two:

Use the formula

2-1/4-2

The answer is the slope of the line

The slope is 1/2

5 0
3 years ago
(m3 - 6m2 - 16m + 63) divided by (m - 7)
Arlecino [84]

Therefore( m^3 -6m^2-16m +63 )÷ (m-7)  =  (m^2 +m-9)

Step-by-step explanation:

m^3 -6m^2-16m +63

=m^3 -7m^2+m^2 -7m-9m+63

=  m^2(m-7)+m(m-7)-9(m-7)

= (m-7 ) (m^2 +m-9)

Therefore( m^3 -6m^2-16m +63 )÷ (m-7)  =  (m^2 +m-9)

3 0
4 years ago
In a 30-60-90 triangle, how many sides do you need to know in order to determine the remaining sides?
podryga [215]
You need to know one side.
3 0
4 years ago
Read 2 more answers
2.9x10^10 + 5.35x10^10
MArishka [77]
8.25x10^10. assuming you don't need to write it out. if you do. then it is
82,500,000,000
3 0
3 years ago
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