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algol [13]
3 years ago
14

The radius of a cone is 5cm the heigth of the cone is 18 cm what is the volume of the cone

Mathematics
1 answer:
nikitadnepr [17]3 years ago
3 0
6-8 cm is the answer!! Hope this helps!
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A retangle has an area of 30 square meters and a perimeter of 34 meters what are the dimensions of the retangle
s344n2d4d5 [400]

Answer: Length = 15 meters

Width = 2 meters

Step-by-step explanation:

Perimeter of a rectangle = 2l + 2w

Area of a rectangle = l × w

where l = length

w = width

Therefore,

2l + 2w = 34 ...... i

l × w = 30 ........ ii

From equation i

2l + 2w = 34

Divide through by 2.

l + w = 17 ...... iii

Then, l = 17 - w ........ iv

Put equation iv into ii

l × w = 30

(17 - w) × w = 30

17w - w² = 30

w² - 17w + 30 = 0

w² - 15w - 2w + 30 = 0

w(w - 15) - 2(w - 15) = 0

(w - 2) = 0

w = 0 + 2 = 2

w - 15 = 0

w = 0 + 15 = 15

Length = 15 meters

Width = 2 meters

6 0
3 years ago
Ebola has an Ro of 2. How<br> many third-wave cases can<br> doctors expect?
stellarik [79]

Answer:

4 I guess

Step-by-step explanation:

Because

3-1=2

2^2=2*2=4

4 0
3 years ago
Find and interpret the mean absolute deviation of the data
Zigmanuir [339]

Answer:

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Step-by-step explanation:

5 0
3 years ago
A rug is shaped like a parallelogram with a base of 41⁄2 ft. and a height of 2 1⁄4 ft. What is the area of the rug? Draw and lab
Bess [88]

Answer:

46.125 square feet or 46\dfrac{1}{8} sq. feet.

Step-by-step explanation:

The rug is shaped like a parallelogram with a base of \frac{41}{2} = 20.5 feet. and a height of 2\dfrac{1}{4} = 2.25 feet.

Now, the area of a parallelogram is given by the product of one side as the base and the perpendicular distance of that side from the opposite parallel side as height.

Now, the area of the given parallelogram is (20.5 × 2.25) = 46.125 square feet. (Answer)

7 0
3 years ago
What is the point slope of the line when slope is -4 and the given coordinates are (4,-9)
Lina20 [59]

The point-slope form of the equation of a straight line is:

y-y_1=m(x-x_1)

We have:

m=-4\\(4;-9)\to x_1=4;\ y_1=-9

Substitute:

y-(-9)=-4(x-4)\\\\\boxed{y+9=-4(x-4)}

8 0
3 years ago
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