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Afina-wow [57]
2 years ago
10

Does anyone know how to do this one

Mathematics
1 answer:
avanturin [10]2 years ago
4 0
It’s (-5,-2) You can figure this out by going to the left 5 times which is negative so -5. And going down on a graph is negative so down 1 means -1 so you add the -1 to the other negative one and now you have -2. So that is how you get the answer.
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I am redesigning a rectangular prism in geometry where I have to minimize the surface area while maintaining the same volume. I
Romashka [77]

Strategy:

You will need to make use of the formulas for volume and area of the shapes you have chosen.

... volume of a sphere = (4/3)πr³

... area of a sphere = 4πr²

You will have to use the volume equation to find the radius of the sphere with the desired volume. Then use the area formula to verify the area is smaller than for your rectangular prism. (A sphere has the smallest surface area for a given volume of any figure.)

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For your pyramid, it's a bit more complicated. You can use the formula for volume to find a relationship between the side length and the height. Then you can solve for height and put that expression into the equation for surface area. Now, you have an equation for surface area as a function of side length, which you can use to choose side lengths that give surface area in the range you want. You may find a graphing utility to be helpful for this.

... volume of a pyramid = (1/3)b^2h . . . . . b is the edge length of the base; h is the verical height.

... area of a pyramid = b^2 + 2bs, where s is the slant height: s=√((b/2)^ +h^2)

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The cylinder is solved essentially the same way the pyramid is solved, except the formulas are slightly different.

... volume of a cylinder = πr²h

... area of a cylinder = 2πr² + 2πrh

Numbers:

If I did it right, a pyramid with a base edge length of 4 or 5 inches (or somewhere between) should give a smaller surface area for the volume you want.

For the cylinder, the radius may be around 2 or 2.1 inches.

5 0
2 years ago
What’s the correct answers for blankA and Blank B
zimovet [89]

Answer:

Quadrilateral ABCD does not map onto itself using a reflection because it has 0 lines of symmetry.

Step-by-step explanation:

Remember that a trapezoid has no lines of symmetry.

4 0
3 years ago
If 25% is 14, what is 100%?
yaroslaw [1]

Answer:

56

Step-by-step explanation:

25% = 14

Therefore,

25%*4 = 14*4

100% = 56

4 0
2 years ago
The quadrilateral is a trapezoid. What is the value of x?
nalin [4]

Answer:

5

Step-by-step explanation:

4 0
3 years ago
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Lapatulllka [165]
Me Hamilton gave 210 coupons two days is throw you off because total was 24 so 14 times 15
7 0
3 years ago
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