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3 years ago

Please answer this question its urgent

Mathematics

2 answers:

inessss [21]3 years ago

7 0

Answer:

60 Degrees

Step-by-step explanation:

daser333 [38]3 years ago

3 0

X = 60 degrees.

A triangle is 180 degrees one side is 30 degrees, and another is 90(right angle)

180 - 30 - 90 = 60

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Montano1993 [528]

Answer:

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Step-by-step explanation:

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3 years ago

I need help finding the answer to this question on edge.

Aliun [14]

Answer:

Step-by-step explanation:

We need to evaluate :-

$\rm\implies \displaystyle\rm\sum^4_n (-1)^n (3n + 2 )$

Here the $\Sigma$ is the sum operator . And here we need to find the sum from n = 1 to n = 4 . We can write it as ,

$\rm\implies (-1)^1 ( 3*1 +2) + (-1)^2 ( 3*2+2) + (-1)^3(3*3+2) + (-1)^4(3*4+2)$

Now we know that for odd powers of -1 , we get -1 and for even powers we get 1 . Therefore ,

$\rm\implies -1 ( 3 + 2 ) + 1 (6+2)+-1(9+2)+1(12+2)$

Now add the terms inside the brackets and then multiply it with the number outside the bracket . We will get ,

$\rm\implies -1 * 5 + 1 * 8 + -1*11 + 1*14 \\\\\rm\implies -5 + 8 - 11 + 14 \\\\\rm\implies\boxed{\quad 6 \quad}$

Hence the required answer is 6.

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2 years ago

How could you calculate 23 x 21 if the 2 button on your calculator is broken?

Andru [333]

Answer:

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Step-by-step explanation:

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3 years ago

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Find p(2) for p(x)=x^4-2x^3-6x^2+5

Ede4ka [16]

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3 years ago

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baherus [9]

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3 years ago

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