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3 years ago

Using Trig to find angles !! help please

Mathematics

1 answer:

notsponge [240]3 years ago

7 0

Answer:

56.1°

Step-by-step explanation:

$\tan \:x \degree = \frac{64}{43} \\ \tan \:x \degree = 1.48837209 \\ x \degree = { \tan}^{ - 1} (1.48837209) \\ x \degree = 56.103833383 \degree \\ x =56.1 \degree$

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Write the number in standard form and expanded form. Three million four hundred eighty- seven thousand six hundred fifty-one

snow_tiger [21]

Answer:

down below

Step-by-step explanation:

3,487, 651

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(5 x 10) + (1 x 1)

7 0

3 years ago

Evaluate (solve) the power: 2^9

german

Answer:

The corrext answer is, 512.

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3 years ago

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Kryger [21]

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3 years ago

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Factor the greatest common factor from the polynomial 3x^2 + 6x -9

ryzh [129]

Answer:

$3(x+3)(x -1)$

Step-by-step explanation:

$3x^2 + 6x -9$

All the terms in this polynomial are divisible by 3. Factor 3 out of this polynomial:

$= 3(x^2 + 2x -3)$

Now, factor inside the parentheses by grouping:

$= 3(x^2 -1x+3x -3)$

We knew to split the +2x up into -1x and 3x because -1 and 3 multiply to get -3, which is the last value in the polynomial.

$= 3(x(x -1)+3(x -1))\\= 3(x+3)(x -1)$

Therefore, the final factored polynomial is $3(x+3)(x -1)$ .

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2 years ago

If 36 is 25% of the total, what is the total?

Alexandra [31]

Answer:144
Explanation: 25% of the total in other words means that it is 1/4 (a quarter). You could just multiply 36 by 4 to get the total (100%). If u want to verify, just multiply 144 by 0.25 and u should get 36.

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3 years ago