3 years ago

Select all units that can be used for surface area.

Mathematics

2 answers:

lilavasa [31]3 years ago

5 0

Square meters, square inches, and square feet.

USPshnik [31]3 years ago

4 0

Are all the units that can be used for a surface area

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True or false: the lateral surface of cone a is exactly 1/2 the lateral surface area of cylinder b

Mazyrski [523]

Answer:

True

Step-by-step explanation:

We have that,

The cone A has the length of the lateral side = h and the height of the cylinder B = h.

Since, the lateral surface areas are given by,

Lateral surface area of cone = $\pi r\times l$ , where l is the length of the lateral side.

So, we get $L_{A}$ = $\pi r\times h$ .

Also, Lateral surface area of cylinder is $2\pi r\times h$ , where h is the height of the cylinder.

So, we get $L_{B}$ = $2\pi r\times h$

Thus, we see that, $L_{A}=\frac{1}{2}\times L_{B}$

Hence, the given statement is correct.

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3 years ago

Proportions in Triangles (5)

slava [35]

Answer:

3 1/3

Step-by-step explanation:

Right side segments are proportional to left side segments:

5/6 = x/4

x = 4·5/6 = 3 1/3 . . . . . multiply by 4

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3 years ago

If f(x) = x, then f(64) is equal to a. 1/4 b. -8 c. -4 d. 4

blsea [12.9K]

B hope it helps have a good day

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3 years ago

Above are two different models of the same diamond-shaped platform. If the length of side a is 3 cm, what is the length of side

Nezavi [6.7K]

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3 years ago

Read 2 more answers

If f(x) = 3x2 – 4 and g(x) = 2x - 6, what is g(f(2))?

saveliy_v [14]

Answer:

Step-by-step explanation:

find out f(2)

f(2)= (3×2×2) - 4= 8

then g(8) = 16 - 6= 10

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3 years ago