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ch4aika [34]
3 years ago
8

Use the formula for the total surface area of a cone to solve for the slant height, l.

Mathematics
1 answer:
tamaranim1 [39]3 years ago
6 0

Answer:

Answer B) I=\frac{S-\pi*r^2}{\pi*r}

Step-by-step explanation:

From the given formula, we solve for the unknown by first keeping on one side of the equation the term that contains the unknown and then by dividing both sides by the variables and constants that accompany the unknown "I" in order to isolate it:

S=\pi *r*I+\pi *r^2\\S-\pi*r^2=\pi*r*I\\\frac{S-\pi*r^2}{\pi*r} =I\\I=\frac{S-\pi*r^2}{\pi*r}

Which coincides with answer B)

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What is the area of a triangle.
Firdavs [7]

Answer:

The area of a triangle is the base times height times 1/2. Please mark brainliest!!!!

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3 years ago
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A rectangle has an area of 12y^2+21y^512 y 2 +21y 5 12, y, squared, plus, 21, y, start superscript, 5, end superscript.The width
umka21 [38]

Answer:

<em>Width</em>: 3y²

<em>Length</em>: 4 + 7y³

Step-by-step explanation:

The area of the rectangle is the length multiplied by the width. For the area given: 12y² + 21y⁵

12y² = 3y²*4

21y⁵ = 3y²*7y³

So, the greatest common monomial factor is 3y², which is the width.

The area is 3y²*(4 + 7y³), the first term is the width, the other must be the length: 4 + 7y³.

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3 years ago
What is the value of x in the equation (x-2/3)+(1/60)=(5/6)
Roman55 [17]
<span>(x-2/3)+(1/60)=(5/6)
x-2/3= 5/6 - 1/60
x-2/3 = 49/60
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x = 49/20 + 2
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The answer is: x = 89/20 or x = 4.45.
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4 0
3 years ago
I need help with this question:
SpyIntel [72]

Answer:

2,406.16452 cm

Step-by-step explanation:

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98.61333*24.4

2,406.16452cm

7 0
3 years ago
Jenna has a savings account invested in stocks and bonds. 20% of her savings is in bonds. If Jenna has $2,200 in bonds, how much
VladimirAG [237]

Answer: Her total savings are equal to $11,000.

Step-by-step explanation:

Hi, to answer this question we have to write an equation.

The total savings (x) multiplied by the percentage in bonds (in decimal form) must be equal to $2,200.

Mathematically speaking:

x (20/100) = 2,200

Solving for x:

x = 2,200/ 0.2

x = $11,000

Her total savings are equal to $11,000.

Feel free to ask for more if needed or if you did not understand something.

4 0
3 years ago
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