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joja [24]
3 years ago
14

EL

Mathematics
1 answer:
Alekssandra [29.7K]3 years ago
4 0

Answer:

jjee

Step-by-step explanation:

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The Jones family want to enclose the garden with a fence. To the nearest foot (round to the nearest whole number), how much fenc
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hey hun, I think u need to give us more information on the question. Is that the full question ??

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What type of pans do you use for pancakes and fried eggs? 15 points, will vote brainliest
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a ramp is 3 meters long and 1.5 meters high. The distant of the effort therefore, is the length of the ramp and the resistance d
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What is the value of n?<br> 3n + 16 = 7n
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5 0
4 years ago
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Suppose A and B are square matrices of the same size. Which of the following are necessarily true?
kiruha [24]

Answer:

c. (A + B)^2-A^2 + 2AB + B^2

Step-by-step explanation:

Given that:

a.

(A-B)^2 = A^2 - 2AB + B^2

If and only if AB = BA

Then;

(A-B)^2 = (A -B ) (A - B)

(A-B)^2 = A^2 - AB-BA + B^2    (FALSE)

b.

(AB)^2=A^2B^2

on true if any only if AB =BA

(AB)^2= (AB) (AB)

c.

(A+ B)^2 =  A^2 + 2AB + B^2

(A+ B)^2 = (A + B) (A+B)

(A+ B)² = A × A + A × B + B × A + B × B

(A+ B)^2 = A^2 + A*B + B*A + B^2

This is true

5 0
3 years ago
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