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Alexxandr [17]
3 years ago
10

L = 4a + 5b Find the Value of L when a = 6 and b = 3

Mathematics
1 answer:
asambeis [7]3 years ago
6 0
L = 4(6) + 5(3)

L = 24 + 15
L= 39
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The diameter of the base of the cone measures 8 units. The height measures 6 units
daser333 [38]

For this case we can find the volume and area of the cone:

V = \frac {\pi * r ^ 2 * h} {3}

Where:

V: It's the volume

A: It's the radius of the base

h: It's the height

We have to:

r = \frac {8} {2} = 4 \ units\\h = 6 \ units

Substituting:

V = \frac {\pi * 4 ^ 2 * 6} {3}\\V = \frac {96 * \pi} {3}\\V = 32 \pi \ units ^ 3

On the other hand, the area of the cone is given by:

A = \pi * r * g +  \pi * r ^ 2

Where:

A: It's the radio

g: It is the generator of the cone.

g = \sqrt {h ^ 2 + r ^ 2} = \sqrt {6 ^ 2 + 4 ^ 2} = \sqrt {36 + 16} = \sqrt {52} = 7.2

SW:

A = \pi * 4 * 7.2 + \pi * 4 ^ 2\\A = 28.8 \pi + 16 \pi\\A = 44.8 \pi \ units ^ 2

Answer:

V = 32 \pi \ units ^ 3\\A = 44.8 \pi \ units ^ 2

7 0
3 years ago
What is the least common denominator of the equation Three-fourths (x minus 3) minus one-half = two-thirds?
telo118 [61]

Answer:

12

Step-by-step explanation:

12 is the least multiple that has factors of 4, 2, and 3

7 0
3 years ago
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Help I'm stuck on this​
Ivanshal [37]

Answer:

40 minutes

Step-by-step explanation:

Range = the highest value - the lowest value

= 45 mins - 5 mins = 40 mins

3 0
2 years ago
If 3/2 ÷ 1/4 = n, then n is between: <br> A. 1 and 3<br> B. 3 and 5<br> C. 5 and 7<br> D. 7 and 9
m_a_m_a [10]
3/2 ÷ 1/4  is 3/2 x 4/1 (the reciprocal)
Since 3/2 is the same as 1  1/2 we are asking how much are 4 x 1 1/2
Think money
1 1/2 is like $1.50
If I had $1.50 two times - I'd have $3.00
If I had $1.50 four times - I'd have twice as much or $6.00

Now I know that 6 is between 5 and 7 so answer c. is correct
You could also just multiply 3/2 x 4/1 but I think my explanation helps you understand it better than just using the multiplication algorithm.
8 0
3 years ago
Work out the second zen of an exterior and an interior angle of a regular 16 sided polygon
Dimas [21]

Answer:Idk im not profech

Step-by-step explanation:

5 0
3 years ago
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