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3 years ago

Please answer it’s due tonight i’ll make brainiest answer and heart it

Mathematics

1 answer:

Makovka662 [10]3 years ago

3 0

Answer: x° is 50°

Step-by-step explanation: The sum of the exterior angles of a polygon is 360.

Add the given exterior angles:

35+50+20+125=230

to find the missing exterior angle, supplementary to x°,

Subtract 360 - 230 = 130

The Sum of Supplementary angles is 180°

x° + 130° = 180°

x = 50

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3 years ago

To help plan its nursing staff schedule, a large hospital uses simple exponential smoothing to forecast the daily number of hosp

Morgarella [4.7K]

Answer:386

Step-by-step explanation:

We have given

Smoothing parameter $\left ( \alpha \right )=0.56$

Forecasted demand $\left ( F_t\right )=385$

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3 0

3 years ago

Factor completely 2x^2 − 2x − 40.

zubka84 [21]

Step-by-step explanation:

Hey there!

Given;

$= 2 {x}^{2} - 2x - 40$

Solve it by using mid-term factorization.

$= 2 {x}^{2} - 2x - 40$

$= 2 {x}^{2} - (10 - 8)x - 40$

$= 2 {x}^{2} - 10x + 8x - 40$

Take common and simplify them to get answer.

$2x(x - 5) + 8(x - 5)$

$= (2x + 8)(x - 5)$

$= 2(x + 4)(x - 5)$

Therefore the answer is option D.

Hope it helps..

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4 years ago

For what value of x is the equation 2^2x+7 = 2^15 true?

GenaCL600 [577]

Answer:

x = 4

Step-by-step explanation:

We assume your equation is intended to be ...

2^(2x+7) = 2^15

Equating exponents gives ...

2x +7 = 15

2x = 8 . . . . . . subtract 7

x = 4 . . . . . . . divide by 2

The value of x is 4.

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4 years ago