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rjkz [21]
3 years ago
13

A sphere is inscribed in a cylinder. The surface area of the sphere and the lateral area of the cylinder are equal. true or fals

e
Mathematics
2 answers:
Volgvan3 years ago
8 0
It is true that the surface area of the sphere and the lateral area of the cylinder are equal. The answer is True. 
NeTakaya3 years ago
3 0

Answer:

True

Step-by-step explanation:

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How to do questions 19 and 20
Alexeev081 [22]

Answer & Step-by-step explanation:

Using the information given in the question we can form the following 3 equations (in the order of the first 3 sentences)

w = 2h (twice the price)

t = h - 4 ($4 less)

3w + 2h + 5t = 136 (total purchasing and cost)

We can solve all 3 equations for h first, by substituting the first two equations, into the third equations w and t

3(2h) + 2h + 5(h-4) = 136

Simplify

6h + 2h + 5h - 20 = 136

13h = 136 + 20

13h = 156

h = 156/13

h = $12

Using this information, we can solve for w and t

w = 2h

w = 2(12)

w = $24

And finally

t = h - 4

t = 12 - 4

t = $8

4 0
2 years ago
Find the volume of the figure.<br> 2.25 m<br> 4<br> m<br> 2.5 m<br> no
liberstina [14]

<u>Given</u>:

Given that the figure is a triangular prism.

The length of the prism is 4 m.

The base of the triangle is 2.5 m.

The height of the triangle is 2.25 m.

We need to determine the volume of the triangular prism.

<u>Volume of the triangular prism:</u>

The volume of the triangular prism can be determined using the formula,

V=\frac{1}{2}bhl

where b is the base of the triangle,

h is the height of the triangle and

l is the length of the prism.

Substituting b = 2.5, h = 2.25 and l = 4 in the above formula, we get;

V=\frac{1}{2}(2.5)(2.25)(4)

V=\frac{1}{2}(22.5)

V=11.25 \ m^3

Thus, the volume of the triangular prism is 11.25 m³

4 0
2 years ago
Will give brainliest. 5 stars. And points!
Neko [114]

Answer:

80 by 160 meters

Step-by-step explanation:

hi buddy

6 0
2 years ago
Read 2 more answers
The area of a square is 1/4in^2 find the perimeter
Alex777 [14]

The sides must be 1/2 because 1/2 ^ 2 = 1/4. 1/2 + 1/2 + 1/2 + 1/2= 2 which will be your perimeter. If this is right could you possibly give me brainliest? Hope this helped.

5 0
3 years ago
2.7 Q2<br> Find an equation for the inverse function.
inessss [21]
To find the inverse, we need to solve for x in term of f(x)

f(x) = 5x + 4
5x + 4 = f(x)

Solve for x
5x + 4 = f(x)
5x = f(x) - 4
  x = \cfrac{f(x)-4}{5}

x acts as the invers of f(x), and f(x) is the invers of x, so the inverse function will be
f⁻¹(x) = \cfrac{x-4}{5}
4 0
2 years ago
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