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Mrrafil [7]
3 years ago
12

In order to fill the following box you would need to fill in 15 unit cubes in length, 8 unit cubes in with and 13 unt cubes in h

eight you would the fill the rest of the box to cover all the space. Each cube would be 1 in x 1 in x 1 in.. 13ft 81 15ft True or False​
Mathematics
2 answers:
alexdok [17]3 years ago
4 0

Answer:

True

Step-by-step explanation:

Lana71 [14]3 years ago
3 0

Answer:

1560

Step-by-step explanation:

i dont understand but 15*8*13 is 1560

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The perimeter of a rectangle is 128 cm, and the ratio of its sides is 5: 3. Find the area of ​​a rectangle
Juliette [100K]

Answer:

Area = 960 cm^2

Step-by-step explanation:

Perimeter (P) = 2 (l + w)

P = 2l + 2w

Let the length be 5x

Let the width be 3x

From the question, P = 128.

Therefore:

128 = 2l + 2w

Divide both sides by 2.

l + w = 64

Recall we said:

l = 5x

w = 3x

So then:

5x + 3x = 64

8x = 64

Divide both sides by 8

x = 64/8

x = 8.

Since x = 8

Length = 5x = 5*8 = 40cm

Width =3x = 3 * 8 = 24cm

Area of a RECTANGLE:

Area = length * width

Area = 40 * 24

Area = 960 cm^2

7 0
3 years ago
Please help, been struggling with this for almost a week now.
nikitadnepr [17]

Answer:

A \approx 1140.3\ units^2

Step-by-step explanation:

To solve this problem we first need to find the diameter of the circle. We are told the point N is the circle, so we can assume it is the center of the circle. To find the diameter we can use the Pythagorean Theorem:

a^2 + b^2 = c^2\\40^2 + 9^2 = c^2\\1600 + 81 = c^2\\1681 = c^2\\\sqrt{1681} = c\\41 = c

The diameter is 41 units, which means the radius is \frac{41}{2}. From here we can calculate the area of the circle:

A_c = \pi r^2\\A_c = \pi (\frac{41}{2})^2\\A_c = \pi 420.25\\A_c \approx 1320.25

Now we need to subtract the area of the triangle from the area of the circle. Calculate the area of the triangle:

A_t = \frac{bh}{2}\\A_t = \frac{40 \times 9}{2}\\A_t = \frac{360}{2}\\A_t = 180

Subtract the triangle area from the circle area to get the area of the shaded area:

A = A_c - A_t\\A = \pi420.25 - 180\\A = 1140.25431\\A \approx 1140.3\ units^2

5 0
2 years ago
Ayuda con mi tarea de matemáticas , dice asi : En una biblioteca hay 5 estantes , 2/5 de uno de ellos está ocupado por libros de
laiz [17]

There are 5 shelves in the bookcase.

2/5 of one shelve is occupied.

That would be:

2/5*1/5=2/25 of all shelves

7/2 is more than 1, so it refers to the bookcase instead of one shelve. The same with 11/10.

So the total is:

2/5+7/2+11/10 = 5

So all shelves are completely full.

So there is no room for any other book.

4 0
4 years ago
A child-size ATV has a gas tank that holds 1.32 gallons of gas. How much will it cost to fill that gas tank if gas costs $2.20 a
Amanda [17]
It will cost $2.90 to fill the gas tank
7 0
4 years ago
On the basis of data from 1990 to 2006, the median income y in the year x for men and women is approximated by the equations giv
worty [1.4K]

Answer:

  2080

Step-by-step explanation:

The solution to these equations might best be found using Cramer's Rule. It tells you ...

  x = (56939×3 -41655×2)/(-236×3 +838×2) = 87507/968 ≈ 90.400

This is years after 1990, so the year the incomes become the same is predicted to be ...

  1990 +90.4 = 2080.4

The median incomes will be the same in the year 2080.

7 0
4 years ago
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