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3 years ago

a right cone has a slant height of 17 feet and the diameter of the base it 30 feet. what is the height of the cone?

Mathematics

2 answers:

Angelina_Jolie [31]3 years ago

4 0

Answer:

19 feet

Step-by-step explanation:

A right triangle is formed by the slant height, the radius of the base and with the slant height being the hypotension

The square on the hypotension is equal to the sum of the squares on the other 2 sides, that is

Since base diameter = 30then radius = 15

kvasek [131]3 years ago

4 0

Answer:

Step-by-step explanation:

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A rectangle has a length of 3x-5 and a width of 2x+9.

Montano1993 [528]

Step-by-step explanation:

l = 3x - 5

w = 2x + 9

perimeter = 2l + 2w = 2(3x - 5) + 2(2x + 9) =

= 6x - 10 + 4x + 18 = 10x + 8

area = l×w = (3x - 5)(2x + 9) = 6x² + 27x - 10x - 45 =

= 6x² + 17x - 45

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2 years ago

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lakkis [162]

Answer:

1134

Step-by-step explanation:

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3 years ago

Dont do QA <br> plzzzzzzzzzzzzzzzzzzzzzzzz

N76 [4]

Answer:

$(a) x^2-2x=x \times (x+2) \\\\(b) 6x^2+12x=2\times 3 \times x \times ( x + 2) \\\\(c) 3x^3 - 9x=3\times x \times (x^2 -3) \\\\(d) 4x^2 +28 x^3 = 2 \times 2 \times x \times x \times ( 1+ 7x)$

Step-by-step explanation:

To factorize, at first, do factorize all the terms then take the common terms out.

(a) $x^2-2x$

This can be written as

$x^2-2x= x\times x + 2 \times x$

Now, taking x commom from both the terms.

$x^2-2x=x \times (x+2)$

(b) $6x^2+12x$

$=2\times 3 \times x\times x + 2\times 2 \times 3 \times x$

Now, taking $2\times 3\times x$ common from both the terms, we have

$6x^2+12x=2\times 3 \times x \times ( x + 2)$

This is the required factorization.

$= 3 \times x \times x \times - 9\times x \\\\ 3x^3 - 9x=3\times x \times (x^2 -3)$

This is the required factorization.

(d) $4x^2 +28 x^3$

$= 2 \times 2 \times x \times x + 2 \times 2 \times 7 \times x \times x \times x \\\\4x^2 +28 x^3 = 2 \times 2 \times x \times x \times ( 1+ 7x)$

This is the required factorization.

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3 years ago

What does 2+3=8-4 im trying to do the work btu i dont know how to

adelina 88 [10]

Answer:

5=4

Step-by-step explanation:

Use pemdas

8 0

3 years ago

In the diagram below, what is the relationship between the number of rectangles and the perimeter of the figure they

elena-14-01-66 [18.8K]

Answer:

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Step-by-step explanation:

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3 years ago

Read 2 more answers