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RUDIKE [14]
3 years ago
10

The coordinates of point E are (−9, −5) and the coordinates of point F are (−2, −1) .

Mathematics
1 answer:
Ksenya-84 [330]3 years ago
8 0
-1+5
--------. =
-2+9

-4
----- = 7/4
7
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The length of a rectangle is 3 times the width.the permitted of the rectangle is 72ft find the dimensions of the rectangle
ArbitrLikvidat [17]
Lets set up the relationship of the length to width:

l = 3w

Using this, we can make all the variables the same by substitution:

2l + 2w = perimeter
2l + 2w = 72
2(3w) + 2w = 72
6w + 2w = 72
8w = 72
w = 9

The width is 9, to the length must be 9*3, or 27.

Hope this helped!

4 0
3 years ago
Raymond built a “rocket" made from a cylinder and a cone. He filled the rocket
lianna [129]

Answer:

Rocket can hold maximum 4.5 gallons of water.

Step-by-step explanation:

Volume of the rocket = Volume of the cone on the top + Volume of the cylinder at the bottom

Volume of the cone = \frac{1}{3}\pi r^{2}h

Here r = radius of the circular base

h = height of the cone

Volume = \frac{1}{3}\pi (4)^{2}(14)

             = \frac{224\pi }{3} cubic inch

Volume of the cylinder = \pi r^{2}h

Here r = radius of the base

h = height of the cylinder

Volume = \pi (4)^{2}(16)

             = 256π cubic inches

Volume of the rocket = \frac{224\pi }{3}+256\pi

                                   = \frac{992\pi }{3}

                                   = 1038.82 cubic inches

Since 231 cubic inches volume of a rocket can hold water = 1 gallon

Therefore, 1038.82 cubic inches space can hold water

= \frac{1038.82}{231}

= 4.497

≈ 4.5 gallons

Rocket can hold 4.5 gallons of water.

7 0
3 years ago
Hey does anyone know this
Readme [11.4K]
- Use the formula V = π <span>∙ r2 ∙ h.
- Plug into the equation. 27</span>π(cubed)=π∙3(2)∙h
-Solve. 27π(3)=9π∙h
27π/9π=3π
I believe the height is 3π.
<span>Hope this helps

</span>
8 0
3 years ago
Need help please hhhhhhhhhhhhhhhhhhhheeeeeeeeeeeeeeeeeeeeeeeelllllllllllllllllllllllllpppppppppppp
never [62]

An isosceles triangle has two identical angles.

The three angles need to add up to 180 degrees.

If one angle is 100 then the other two angles added together need to equal 180-100 =‘80 degrees.

Since two angles need to be the same the other angles are 80 / 2 = 40 degrees each.

The answer is 40

4 0
3 years ago
Read 2 more answers
Pleas help mee due tonight​
Annette [7]

Answer:

105.6ft

Step-by-step explanation:

8 0
3 years ago
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