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gavmur [86]
3 years ago
15

Change the function f(x) = –2x² + 12x – 6 into vertex form.

Mathematics
1 answer:
soldier1979 [14.2K]3 years ago
8 0

Answer:

i think is letter <em><u>c </u></em>

<em>i hope </em><em>is </em><em>correct</em>

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Help me on problem 9 please and I will thank you
Tomtit [17]
A: minutes
16a > (with a line under it) 136

The awnser would be 8 minutes and 50 seconds. 136 ÷ 16 = 8.5
a > (with a line under it) 8.5

I hope I helped! :D
5 0
3 years ago
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Calculating the Estate Tax. Joel and Rachel are both retired. Married for 50 years, they’ve amassed an estate worth $2.4 million
ArbitrLikvidat [17]

If either Joe or Rachel dies in 2008, there will be no federal estate tax liability. There is an unlimited marital deduction for the surviving spouse. Only when both die will there be an estate tax liability over the $5.12 million exemption amount.

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8 0
4 years ago
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An eight-sided game piece is shaped like
DiKsa [7]

Answer:

27.5 mm

Step-by-step explanation:

Let the side length of each of the side of the base of the pyramid be a, hence:

perimeter of square = 4a

80 = 4a

a = 20 mm.

The distance from the middle of the square pyramid to the side = r = half of the side length = a/2 = 20 / 2 = 10 mm.

r = 10 mm

The slant height (s) = 17 mm, Let h be the height of each of the pyramid. Using Pythagoras theorem:

r² + h² = s²

17² = 10² + h²

h² = 17² - 10² = 189

h = √189

h = 13.748 mm

The length of the game piece = 2 * h = 2 * 13.748 = 27.5 mm to nearest tenth of a mm.

6 0
3 years ago
70% of the 100 students in Middle School cafeteria bought their lunch some of the students that bought their lunch leave the caf
lara31 [8.8K]
60 students because the percentage is 100% would be all 100 students so if only 60% stayed there is your answer
8 0
3 years ago
Which one is correct? in need of large help
Oksanka [162]

Answer:

Option C. x + 12 ≤ 2(x – 3)

Step-by-step explanation:

From the question, we obtained the following information:

x + 12 ≤ 5 – y .......(1)

5 – y ≤ 2(x – 3) ....... (2)

To know which option is correct, do the following:

From equation 2,

5 – y ≤ 2(x – 3)

Thus, we can say

5 – y = 2(x – 3)

Now, we shall substitute the value of 5 – y into equation 1 as shown below:

x + 12 ≤ 5 – y

5 – y = 2(x – 3)

x + 12 ≤ 2(x – 3)

From the above illustration, we can see that if x + 12 ≤ 5 – y and 5 – y ≤ 2(x – 3), then x + 12 ≤ 2(x – 3) must be true.

Option C gives the correct answer.

6 0
4 years ago
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