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Anni [7]
3 years ago
14

In factoring by grouping, what would you have for step 3 for the following?

Mathematics
2 answers:
MA_775_DIABLO [31]3 years ago
8 0

Answer:

Factor out the x+5

 (x+5)(x^2+4)

Step-by-step explanation:

Step 1: x^3 +5x^2 +4x+20

Step 2: x^2 (x+5)+4(x+5)

Step 3:   Factor out the x+5

 (x+5)(x^2+4)


solong [7]3 years ago
6 0

Answer:

Step 3: (x^2 + 4)(x + 5)


Step-by-step explanation:

Step 1: x^3 +5x^2 + 4x+20

Step 2: x^2 (x+5) + 4(x+5)

Step 3: (x^2 + 4)(x + 5)

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503 and 2/3 as a decimal
dimaraw [331]
503 2/3 = 503.66 <== ur decimal


7 0
3 years ago
Which of the following are adjacent angles?
andriy [413]

Answer:

c

Step-by-step explana i think its right

3 0
3 years ago
A 20-sided regular polygon has an angle measure represented as 3gº.
Andre45 [30]

The value of g in the 20 sided regular polygon is 54.

<h3>How to find the angles of a regular polygon?</h3>

If all the polygon sides and interior angles are equal, then they are known as regular polygons.

The polygon given is a 20 sided regular polygon and the measure of each angle is 3g degrees.

Therefore, let's find g.

The sum of interior angles of a 20 sided polygon is as follows:

180(n - 2) = 180(20 - 2) = 180(18) = 3240

Therefore,

each angle = 3240 / 20 = 162

Hence,

162 = 3g

g = 162 / 3

Therefore,

g = 54

learn more on regular polygon here: brainly.com/question/16992545

#SPJ1

8 0
1 year ago
Janet can do a job in 3 hours, and Garry can do the same job in 2 hours. If Janet works for 1 hour before Garry comes to help, h
lidiya [134]

Answer:

48 minutes

Step-by-step explanation:

Given that:

Time taken by Janet = 3 hours

Janet's rate = 1/3 job / hour

Time taken by Garry = 2 hours

Garry's rate = 1/2

Rate of working together :

1/3 + 1/2 = (2 + 3) /6 = 5/6 job/hour

If Janet works for one hour before Garry joins ;

1/3 of the job has been done by Janet

1 - 1/3 = 2/3 of the job left

Hence to finish the job together, it will take :

Fraction of JOB left ÷ rate of working together

(2/3 ÷ 5/6)

= 2 /3 * 6/5

= 12 / 15

= 4 / 5 hours

To minutes

(4/5) * 60

= 240/5

= 48 minutes

8 0
3 years ago
Read 2 more answers
Factor the polynomial: 81b^2 - 64c^2
Lilit [14]

Answer:

160D^2

Step-by-step explanation:

5 0
3 years ago
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