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Ne4ueva [31]
3 years ago
8

12. Is a cube a polygon? Why or why not?Super Teacher Worksheets - www.Su​

Mathematics
2 answers:
s2008m [1.1K]3 years ago
4 0

Step-by-step explanation:

A cube is not a polygon. Polygons are flat, plane figures. A cube is a 3- di mensional solid figure.

omeli [17]3 years ago
3 0

A cube is not a polygon. Polygons are flat, plane figures. A cube is a 3-dimensional solid figure.
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I need help on this ASAP pls 20 points
Semenov [28]

Answer:

1070cm2

Step-by-step explanation:

the cereal box represents a cuboid and it is closed hence a closed cuboid.

SA- Surface area

L- Length = 15

W- Width =4

H- Height =25

In a closed cuboid, there are going to be 6 faces( 3 pairs).

To find SA, we have to take the area of all faces and sum them up.

You can do this by carrying out the area of all faces and summing them up or you can use the formula:

SA of a closed cuboid=2(L x W) + 2(W x H)  + 2(L x H)

= 2(15 x 4) + 2(4 x 25) + 2(15 x 25)

= 2(60) + 2(100) + 2(375)

=120 + 200 + 750

=<u>1070cm2</u>

4 0
3 years ago
1)The graph below shows a line segment XY:
Hitman42 [59]
The segment goes from point (-1, 3) to (1,-1)
Slope = rise / run = (-3 - 1) / (1 - (-1)) = -4 / 2 = -2
Slope = -2
5 0
3 years ago
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How do i solve a 30 60 90 triangle
marishachu [46]
What do u want to find ?
7 0
3 years ago
Because of water erosion a sandy coast can erode about five meters every five years. Suppose the coast continue to erode at the
sweet-ann [11.9K]
It would erode 50 meters
8 0
3 years ago
The monthly revenue of a certain company is given by R 820p-7p, where p is the price in dollars of the product the company manuf
lora16 [44]

The revenue will be 12,000 when the price of the product  is $100

Given :

The monthly revenue of a certain company

R=820p-7p^2

We need to find out p when <u>Revenue R is 12000</u>

Lets replace R with 12000 and solve for p

12000=820p-7p^2\\820p-7p^2=12000\\-7p^2+820p-12000=0

Apply <em>quadratic formula </em>

p=\frac{-820\pm \sqrt{820^2-4\left(-7\right)\left(-12000\right)}}{2\left(-7\right)}\\p=\frac{-820\pm \:580}{2\left(-7\right)}\\p=\frac{-820+580}{2\left(-7\right)},\:p=\frac{-820-580}{2\left(-7\right)}\\p=\frac{120}{7},\:p=100

Given that price must be greater than 50

So the revenue will be 12000 when the price of the product  is $100

Learn more :  brainly.com/question/21503855

5 0
2 years ago
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