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marshall27 [118]
3 years ago
8

one each day dariene write in her personal diary and records whether the sun isshining or not when she looked back tough her dia

ry she found that over a period 600 days the sun was shining 60% of the time she kept recording for another 200 days and then found that the total number of sunny days dropped to 50% how many of the final 200 days were sunny days
Mathematics
2 answers:
Svetradugi [14.3K]3 years ago
7 0
Im guessing ten or some sort of factor of ten
Katyanochek1 [597]3 years ago
6 0
The answer is 40 days I think
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gtnhenbr [62]

Answer:

y = - 2(x + 4)² + 6

Step-by-step explanation:

The equation of a parabola in vertex form is

y = a(x - h)² + k

where (h, k) are the coordinates of the vertex and a is a multiplier

Here (h, k ) = (- 4, 6 ) , thus

y = a(x - (- 4) )² + 6 , that is

y = a(x + 4)² + 6

To find a substitute (- 2, - 2) into the equation

- 2 = a(- 2 + 4)² + 6 ( subtract 6 from both sides )

- 8 = a(2)² = 4a ( divide both sides by 4 )

- 2 = a , thus

y = - 2(x + 4)² + 6 ← equation in vertex form

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3 years ago
Factor: 3x^(2)-16x+16
fenix001 [56]

Answer:

3 {x}^{2}  - 16x + 16 \\ 3 {x}^{2}  - 12x - 4x + 16 \\ 3x(x - 4) - 4(x - 4) \\ (3x - 4)(x - 4)

Step-by-step explanation:

I hope it helped U

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Answer:

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Step-by-step explanation:

Put them in a decimal, the you can find if it's in the 10ths place or 100ths place

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