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Vanyuwa [196]
3 years ago
9

Factor polynomial 4a^2-4a+1

Mathematics
2 answers:
Serhud [2]3 years ago
6 0

Answer:(2a-1)(2a-1)

Step-by-step explanation:

4a2-4a+1

Factorise

Factors of -4 is -2&-2

Substitute

4a2-2a-2a+1

2a(2a-1)-1(2a-1)

(2a-1)(2a-1)

Or we say

(2a-1) twice

WARRIOR [948]3 years ago
3 0

Answer:

(2a−1)(2a−1)

Step-by-step explanation:

Factor 4a2−4a+1

4a2−4a+1

=(2a−1)(2a−1)

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What is the area of a field that is 132.4m long by 28m wide?
svetlana [45]

Answer:

B

Step-by-step explanation:

its 132.4 times 28

=3707.2

7 0
3 years ago
The radius of Circle A is 6 mm. The radius of Circle B is 4 mm greater than the radius of Circle A. The radius of Circle C is 2
labwork [276]

Answer:

Area of circle A =113.14 mm²

Area of circle b = 314.29 mm²

Area of circle C = 452.57 mm²

Area of circle A = 254.57 mm²

2.25 times

Step-by-step explanation:

Area of a circle = nr²

where n = 22/7

r = radius

Circle A's radius = 6mm

Circle B's radius = 6mm + 4mm = 10mm

Circle C's radius = 10mm + 2mm = 12mm

Circle D's radius = 12mm - 3mm = 9mm

Area of circle A = (22/7) x 6² = 113.14 mm²

Area of circle b = (22/7) x 10² = 314.29 mm²

Area of circle C = (22/7) x 12² = 452.57 mm²

Area of circle A = (22/7) x 9² = 254.57 mm²

Number of times the area of circle D is greater than that circle A = Area of circle D / Area of circle A

254.57 mm² / 113.14 mm² = 2.25 times

4 0
3 years ago
Kelly drew the angle shown, <br> which value is closest to measurement of Kelly's angle?
taurus [48]

Answer:

70°

Step-by-step explanation:

it's an acute angle so it couldn't be 110 since that would make it obtuse.

3 0
3 years ago
Read 2 more answers
Gerald recorded the gains and losses for each play on the football field. Gains were marked with a + and losses with a –. Play 1
Vedmedyk [2.9K]

Answer:

Play 3

Step-by-step explanation:

Given:

\left\begin{array}{ccccc}{Play}&{1}&{2}&{3}&{4}&{Yards}&{+4}&{-6}&{-2}&{+3}\end{array}\right

Required [Missing from the question]:

Determine the play with the least change in yard?

To do this, we ignore the sign in front of each yard before we analyze.

So, we have:

Play 1 has a change of 4

Play 2 has 6

Play 3 has 2

Play 4 has 3

<em>From the above analysis, play has the least (which is 2)</em>

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2 years ago
Will mark brainlist if right
dlinn [17]

Answer: C.

Step-by-step explanation:

7 0
2 years ago
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