2 years ago

Please solve this fast under 20 min

Mathematics

1 answer:

kompoz [17]2 years ago

8 0

Answer: iii - symmetric matrix is correct because A is equaling At therefore making this a symmetric matrix.

Step-by-step explanation:

Please give me brainiest!

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How is number 0.000063 written in scientific notation?

katen-ka-za [31]

Step-by-step explanation:

The scientific notation:

$a\times10^k$

1 ≤ a < 10 and k - any integer number

$0.000063=0\underbrace{.00006}_{5\to}3=6.3\times10^{-5}\\\\\\0.000063=6.3:100,000=6.3:10^5=6.3\times10^{-5}$

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3 years ago

1248 buttons 8 contains how many buttons will go into each contain <img src="https://tex.z-dn.net/?f=1248%20%5Cdiv%208%20%3D%

Oksanka [162]

Answer:

156 buttons in each container

Step-by-step explanation:

$\frac{1248}{8} = 156$

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3 years ago

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Simplify the following expression by combining like terms and factoring. 2(x-6)+4(2x+1)+3

Shkiper50 [21]

Answer:

5(2x - 1)

Step-by-step explanation:

Given

2(x - 6) + 4(2x + 1) + 3 ← distribute both parenthesis

= 2x - 12 + 8x + 4 + 3 ← collect like terms

= (2x + 8x) + (- 12 + 4 + 3)

= 10x + (- 5)

= 10x - 5 ← factor out 5 from each term

= 5(2x - 1) ← in factored form

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3 years ago

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Marrrta [24]

LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL

Step-by-step explanation:

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3 years ago

Radius of a coin is 3cm then calculate its surface area

dexar [7]

This is your perfect answer

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2 years ago

Please solve this fast under 20 min​

Please solve this fast under 20 min