3 years ago

How many terms are in the expression 2m3 + 6n - 4?

Mathematics

1 answer:

Alona [7]3 years ago

7 0

Well, I don’t know about you, but I see 3 terms

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Find the surface are of the cylinder in terms of pi

Andrej [43]

Hello!

To find the surface area of a cylinder you use the equation

$SA = 2 \pi rh + 2 \pi r^{2}$

SA is surface area
r is radius
h is height

PUt in the values you know

$SA = 2 \pi (7)(18) + 2 \pi * 7^{2}$

Square the number

$SA = 2 \pi (7)(18) + 2 \pi * 49$

Multiply 7 and 18

$SA = 2 \pi * 126 + 2 \pi * 49$

Multiply 126 by 2

$SA = 252 \pi + 2 \pi * 49$

Multiply the 49 by 2

$SA = 252 \pi + 98 \pi$

Add

$SA = 350 \pi$

The answer is $A)350 \pi cm^{2}$

Hope this helps!

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3 years ago

A child care center has three rooms, and the same number of children are in each room. If c children attend the center, write an

raketka [301]

Answer:

Number of children in each room = c / 3

Step-by-step explanation:

Given:

Number of rooms in care center = 3

Number of children attend the center = c

Find:

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Computation:

Number of children in each room = Number of children attend the center / Number of rooms in care center

Number of children in each room = c / 3

4 0

3 years ago

This is a picture of a cube and the net for the cube.

Nataliya [291]

Answer:

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Step-by-step explanation:

That's really well described. All in all you have 6 squares all laid out flat. Each square has a side of 14 mm.

The area of 1 square = 14mm * 14mm = 196 mm^2

The area of 6 squares = 6 * 196 mm^2 = 1176 mm^2

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3 years ago

Tan(θ)/sec(θ) − cos(θ)

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Ingrid walked her dog and washed her car. The time she spent walking her dog was one-fourth the time it took her to wash her car

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1/4 of 14 is 7/2 which is 3 1/2 which is 3.5

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3 years ago

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