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3 years ago

F(x)=x^2-2x-3 (so I need the done in like 20 min)

Mathematics

1 answer:

maks197457 [2]3 years ago

7 0

Vertex point: (1, -4)

X-intercepts: (-1, 0) , (3, 0)

Y-intercept: (0, -3)

Axis of symmetry: x = 1

This function will create a parabola that opens upwards. I’m not entirely sure what I was supposed to answer. Hopefully this covered it. I’ll attach an image of the parabola in case I missed anything.

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Question 2

mylen [45]

Answer:

Part A: OC. 16π square inches

Part B: OC. 36π square inches

Step-by-step explanation:

Part A:

Given

Diameter of circular picture = d = 8 inches

We need to find the radius first to find the area

So,

Rdius = r = d/2 = 8/2 = 4 inches

$Area = \pi r^2\\= \pi *(4)^2\\= 16\pi\ square\ inches$

Therefore, option C is the correct answer..

Part B:

As two inches frame is added around the picture, the diameter will become 8+4 =12 inches

The new radius will be:

r = 12/2 = 6

So,

$Area\ with\ frame = \pi r^2\\=\pi *(6)^2\\=36\pi\ square inches$

Therefore, option C is correct ..

3 0

3 years ago

1/12 as a decimal. Long division.

spin [16.1K]

0.08333333333333 would be the answer, and the 3 would keep repeating.

3 0

3 years ago

Need answer with step I will give ve you 35 points.After 12 years Kishor will be 3 times as old as he was 4 years ago . Find the

tatyana61 [14]

Answer:

12 years

Step-by-step explanation:

Let Kishor's present age be denoted by x.

According to the question :

He will 3 times as old as he was 4 years ago after 12 years

Therefore, the equation is :

x + 12 = 3(x - 4)

Solving :

x + 12 = 3x - 12
3x - x = 12 + 12
2x = 24
x = 12 years

Hence, Kishor's present age is 12 years.

8 0

2 years ago

-3+4x-10=1/2x Please HELP

vesna_86 [32]

Answer:

x=26/7

Step-by-step explanation:

3 0

2 years ago

Relate the value of the numbers 1 in 115,093,628

MAXImum [283]

100,000,000 is 100 million

10,000,000 is 10 milllion

8 0

3 years ago