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Likurg_2 [28]
2 years ago
15

Simplify the expression. -2 4 A. -8 B. 16 C. -16 D. 8

Mathematics
2 answers:
Sonbull [250]2 years ago
8 0
The answer is -8 because -2 * 4
zaharov [31]2 years ago
4 0
What? -2_4. What is inthe middle?

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Estimate the square root of 397 between two consecutive whole numbers.
marshall27 [118]

Answer: 19.9248588452

Step-by-step explanation:

5 0
3 years ago
Find the square. (1/4A + 1/4B)^2<br><br> a) 1/16A^2 + 1/8AB + 1/16B^2<br> b) 1/4A^2 + 1/8AB + 1/4B^2
alisha [4.7K]

(a + b)^2 = a^2 + 2ab + b^2

(\dfrac{1}{4}A + \dfrac{1}{4}B)^2 =

= \dfrac{1}{16}A^2 + \dfrac{1}{8}AB + \dfrac{1}{16}B^2

Answer: A.

Another way to solve by factoring 1/4.

(\dfrac{1}{4}A + \dfrac{1}{4}B)^2 =

= [\dfrac{1}{4}(A + B)]^2

= (\dfrac{1}{4})^2(A + B)^2

= \dfrac{1}{16}(A^2 + 2AB + B^2)

= \dfrac{1}{16}A^2 + \dfrac{1}{16}2AB + \dfrac{1}{16}B)^2

= \dfrac{1}{16}A^2 + \dfrac{1}{8}AB + \dfrac{1}{16}B)^2

6 0
3 years ago
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2 years ago
Solve help help ASAP
marissa [1.9K]

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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