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Minchanka [31]
3 years ago
8

Plot the solution set of |-x|=3.5

Mathematics
1 answer:
lutik1710 [3]3 years ago
5 0

It is 3.5, because anything inside an absolute is always positive.

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A light bulb in Keisha's house uses a total of 4.86 watts of electric power. If the light bulb uses 5.4 watts each minute it is
Hoochie [10]

Answer:

I think it is 0.9 minutes (I could be wrong though.)

Step-by-step explanation:

3 0
2 years ago
The base of a circular fence with radius 10 m is given by x = 10 cost, y = 10 sin t. the height of the fence at position (x, y)
antiseptic1488 [7]

The parametric equations for x and y describe a circle of radius 10 m, so the length of the base of the fence is the length of the circumference of a circle of radius 10 m. The formula for that circumference (C) is ...

... C = 2πr

... C = 2π·(10 m) = 20π m

The height as a function of angle (t) is found by substituting for x and y.

... h(t) = h(x(t), y(t)) = 4 + 0.01·((10cos(t))²-)10sin(t))²) = 4+cos(2t)

The average value of this over the range 0 ≤ t ≤ 2π is 4, since the cosine function has two full cycles in that range, and its average value over a cycle is zero.

Thus, the area of one side of the fence is that of a rectangle 20π m long and 4 m wide. That will be

... (20π m)·(4 m) = 80π m²

The amount of paint required to cover both sides of the fence is

... 2×(80π m²)×(1 L)/(10 m²) = 16π L ≈ 50.3 L

_____

You can work out the integral for area as a function of t. When you do, you will find it gives this same result.

5 0
2 years ago
What is the slope of y = -3x + 3?
AnnZ [28]
<span>Use the slope intercept form y=<span><span>mx</span>+b, </span></span><span>where </span><span>m</span><span> is the slope and </span><span>b</span><span> is the y-intercept. So with saying that plug your problem in so y = -3x+3 so your answer would be m=-3 which is the slope.

~Hope this Helps! Good Luck!~
</span>
8 0
3 years ago
Read 2 more answers
How to divide the area of 10X10 into 30 equal pieces
-BARSIC- [3]
30 divided by 10 and youll get it into each hope that helped
7 0
3 years ago
The table shows the height of a ball that was dropped from a 380-foot tower. What was the ball's rate of fall during the first 3
Alex

Answer:

60ft/s

Step-by-step explanation:

To find the rate

rate = f(3) - f(0)

         -------------

         3-0

rate = 200-380

         ---------------

         3-0

rate = -180/3   = -60 ft/s

The negative tells us it is falling

The fall falls 60ft/s

8 0
3 years ago
Read 2 more answers
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