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Zanzabum
3 years ago
11

On Monday, you realize that a significant theft occurred between 6pm Friday and 8am monday. You have good video tape of the time

period. How many minutes of tape do you have to review?
Mathematics
2 answers:
Karolina [17]3 years ago
5 0
3,720 simple

6 hours on Friday in order to make it 12 am
48 hours for Saturday and Sunday
8 hours for Monday exactly on 8 am

add up to be 62 hours
multiply that shlt by 60 since 60 minutes are in an hour

3720

can't believe this thing wants me to write an explanation also
aliina [53]3 years ago
3 0

You have 840 minutes of tape to review

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kiruha [24]

Answer:

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Step-by-step explanation:

3 0
3 years ago
Please answer this correctly without making mistakes
Effectus [21]

Answer:

48.5 us cups

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
1. Identify the focus and the directrix for 36(y+9) = (x - 5)^2 2. Identify the focus and the directrix for 20(x-8) = (y + 3)^2
Simora [160]

Problem 1

Focus: (5, 0)

Directrix:  y = -18

------------------

Explanation:

The given equation can be written as 4*9(y-(-9)) = (x-5)^2

Then compare this to the form 4p(y-k) = (x-h)^2

We see that p = 9. This is the focal distance. It is the distance from the vertex to the focus along the axis of symmetry. The vertex here is (h,k) = (5,-9)

We'll start at the vertex (5,-9) and move upward 9 units to get to (5,0) which is where the focus is situated. Why did we move up? Because the original equation can be written into the form y = a(x-h)^2 + k, and it turns out that a = 1/36 in this case, which is a positive value. When 'a' is positive, the focus is above the vertex (to allow the parabola to open upward)

The directrix is the horizontal line perpendicular to the axis of symmetry. We will start at (5,-9) and move 9 units down (opposite direction as before) to arrive at y = -18 as the directrix. Note how the point (5,-18) is on this horizontal line.

================================================

Problem 2

Focus:  (13,-3)

Directrix:  x = 3

------------------

Explanation:

We'll use a similar idea as in problem 1. However, this time the parabola opens to the right (rather than up) because we are squaring the y term this time.

20(x-8) = (y+3)^2 is the same as 4*5(x-8) = (y-(-3))^2

It is in the form 4p(x-h) = (y-k)^2

vertex = (h,k) = (8,-3)

focal length = p = 5

Start at the vertex and move 5 units to the right to arrive at (13,-3). This is the location of the focus.

Go back to the focus and move 5 units to the left to arrive at (3,-3). Then draw a vertical line through this point to generate the directrix line x = 3

5 0
3 years ago
A linear function has a slope of 7, and when x is 3, the value for y is 22. Use a graph or a table to figure out the equation of
Alex787 [66]
When you are given a point (x1,y1) and slope m the equation is
y-y1=m(x-x1)

given
slope=7
(x,y)
(3,22)
x1=3
y1=22


y-22=7(x-3) is the equation or
y=7x+1
8 0
3 years ago
Read 2 more answers
Joe has read 140 pages of his 300 page book what percentage has he read please show work
Lostsunrise [7]
140/300=14/30
14/30=7/15
So 7/15 is _
46.6%
8 0
2 years ago
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