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2 years ago

OK so I don't want answers, I just want someone to walk me through this and teach me how to do it.

Mathematics

1 answer:

Serggg [28]2 years ago

6 0

Answer:

352cm²

Step-by-step explanation:

The shape is a cuboid and it has 6 faces, and the opposite faces are equal, so I calculate 3 different faces and multiplied it by 2 to give me the total surface area. Therefore, total surface area = the addition of all the surface areas in the shape. And to get each surface area, you have find the area of each of the 6 faces, and add them together, to give you the total surface area.

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Which are the like terms in 2y^3 – 4y^2 + y + y^3?

mash [69]

Like terms are going to have the EXACT same variables....or they can just be constants with no variables.

x^2 and 3x^2 are like terms
x^2 and x^3 are not like terms
8 and 9 are like terms
8x and 9y are not like terms

so ur like terms in ur problem are : 2y^3 and y^3

7 0

3 years ago

There are 50 animals in a shelter. Three hundred vehicles are parked in a parking garage. Seventy of the vehicles are midsized c

andrew-mc [135]

Answer:

230

Step-by-step explanation:

300 - 70 = 270 boom

3 0

3 years ago

Who is in 6th grade or 7th? cause I swear hrw.com is horrible

LiRa [457]

Answer:

Not me

Step-by-step explanation:

im in high school lol

8 0

2 years ago

Read 2 more answers

If x-1/3 = k and k = 3, what is the value of x ? A) 2 B) 4 C) 9 D) 10

Semenov [28]

Answer:

None of the above

Step-by-step explanation:

x-1/3 = k

We know that k=3, so we can substitute that into the equation

x-1/3 = 3

Add 1/3 to each side

x-1/3 + 1/3 = 3+1/3

x = 3 1/3 or as an improper fraction 10/3

7 0

3 years ago

A bicyclist races on a bicyclist with 13-inch-radius wheels. When she is traveling at a speed of 37 ft/sec, how many revolutions

drek231 [11]

Radius of a wheel = 13 inch
= 1.08333 ft
circumference of a wheel = 2×pi×r^2
= 2 × (22/7) × 1.08333^2 ft
= 2 × (22/7) × 1.1736 ft
= (44/7)×1.1736 ft
= 51.6384/7 ft
= 7.3769142857 ft
distance covered in one minute = 37 × 60 ft/min
= 2220 ft/min
now, revolution per minute = 2220 / 7.3769142857
= 300.93884
therefore her wheels are making 300.93884 revolutions per minute

8 0

3 years ago