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levacccp [35]
1 year ago
15

Factorize: 1+4a+4a^2​

Mathematics
2 answers:
Colt1911 [192]1 year ago
6 0

Answer:

(2a +1)( 2a + 1)

Step-by-step explanation:

  • 1+4a+4a^2

  • =4a^2 +4a +1

  • =4a^2 +2a + 2a + 1

  • =2a(2a +1) +1( 2a + 1)

  • =(2a +1)( 2a + 1)
Licemer1 [7]1 year ago
3 0

Answer: (1+2a)^2 or (1+2a)(1+2a)

Step-by-step explanation:

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A regular hexagon has an apothem measuring 14 cm and an approximate perimeter of 96 cm.
WINSTONCH [101]
Given:
hexagon
apothem of the hexagon: 14 cm
perimeter of the hexagon: 96 cm

Area of the hexagon = [(3√3) / 2] a²     ; where a is the measure of the side

hexagon has 6 sides.

Perimeter = 6a
96 cm = 6a
96 cm / 6 = a
16 = a

We can also use the area of a triangle to approximate the area of the hexagon. There are 6 triangles in the hexagon .

Area of a triangle = (height * base) / 2
A = (14 cm * 16 cm) / 2
A = 224 / 2 
A = 112 cm²

112 cm²  * 6 triangles = 672 cm²
4 0
3 years ago
Read 2 more answers
peter ​says, "If you subtract 11 from my number and multiply the difference by -2​, the result is -26." What is Peter's number?
8_murik_8 [283]

Answer:

24

Step-by-step explanation:

Reverse

-26/-2= 13

13+11=24

Check

24-11=13

13×-2= -26

4 0
3 years ago
Read 2 more answers
Evaluate the expression 3x+2
scoray [572]

It's  3x+2 because 3 ÷2 is 6 so it's  3x+2

3 0
3 years ago
The length of two sides of a triangle are 10, 15 find the range of possible lengths for the third side
Zepler [3.9K]

Answer:

Range for third side is  

( 5 , 25 )  cm.

Step-by-step explanation:

As two sides of triangle are  10  and  15 ,

the third side would have to be less than the sum of other two sides i.e. less than  25  cm.

On the other hand if it is smaller one than this side plus side of length  10

should be greater than  15  and therefore

this side is greater than  15 − 10 = 5  cm.

Hence range is  

( 5 , 25 )

Hope this answer helps you :)

Have a great day

Mark brainliest

5 0
2 years ago
In a fitness program, Pedro does 20 sit-ups on the first day, and increases this by 2 sit-ups everyday. Determine the day when t
Fittoniya [83]

Answer:

day 540

Step-by-step explanation:

He increases his number of situps by 2 each day meaning on day 1 he'd do 2 extra, on day 2 he'd do 4 extra, on day he'd do 6 extra etc. We can show this by saying +2x where x is the day he is on.  Then since he started with 20 we have to add 20 so it would be 20+2x.  We want to know what day it is when he does 1100 situps so we can set our equation equal to 1100 and solve for X which is the day it would be.

20+2x=1100

2x=1080

I hope this helps and please don't hesitate to ask if there is anything still unclear!

x=540

5 0
3 years ago
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