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kobusy [5.1K]
3 years ago
15

Which property applies only to addition and subtraction

Mathematics
1 answer:
ad-work [718]3 years ago
3 0
Addition you add and in subtraction you subtract
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316.1 -
Anettt [7]

Answer:

c

Step-by-step explanation:

3 0
2 years ago
The exterior walls and roof of a barn are to be painted. The barn is in the shape of a rectangular prism, with an isosceles tria
vlada-n [284]

<u>Given:</u>

The rectangular prism has a length of 25 feet, a width of 10 feet and a height 55 feet.

The triangular prism has a base length of 25 feet, a height of 8 feet, and a prism height of 55 feet.

<u>To find:</u>

The total area to be painted.

<u>Solution:</u>

There are 4 external surfaces for the rectangular prism and 4 external surfaces for the triangular prism.

The rectangular prism has 4 rectangles out which there are 2 sets of similar rectangles.

There are two rectangles with lengths of 25 feet and widths of 10 feet while the other two rectangles have lengths of 55 feet and widths of 10 feet.

The area of a rectangle with a length of 25 feet and a width of 10 feet = 25(10)= 250 square ft.

The area of two such rectangles = 2(250) = 500 square feet.

The area of a rectangle with a length of 55 feet and a width of 10 feet = 55(10)= 550 square feet.

The area of two such rectangles = 2(550) = 1100 square feet.

The triangular prism has 2 triangles and 2 rectangles.

The triangles have base lengths of 25 feet and heights of 8 feet while the rectangles have lengths of 55 feet and heights of 14.8 feet.

The area of a triangle with a base length of 25 feet and a height of 8 feet = \frac{1}{2}(25)(8)= 100 square feet.

The area of two such triangles =2(100)= 200 square feet.

The area of a rectangle with a length of 55 feet and a width of 14.8 feet = 55(14.8)= 814 square feet.

The area of two such rectangles = 2(814) = 1628 square feet.

The total area to be painted =500+1100+200+1628 = 3128 square feet.

So an area of 3128 square feet is to be painted.

8 0
3 years ago
In the first quarter, Owen passed the football 1 4 yards 1 foot 7 inches . On his second pass , he threw 16 yards 2 feet 19 inch
Novay_Z [31]

Answer:

31 yards 2 feet 5 inches

Step-by-step explanation:

  14 yd  1 ft  7 in

+  16 yd 2 ft 19 in

-------------------------

  30 yd  3 ft  26 in

26 inches is 2 feet and 2 inches ---> 30 yd  5 ft  2 in

5 feet is 1 yard and 2 feet ---> 31 yd  2 ft  2 in

4 0
3 years ago
Read 2 more answers
Name:
Ahat [919]

Answer:

Step-by-step explanation:

7 0
2 years ago
A baseball measures approximately 74 mm in diameter. What is the volume of a baseball? (Round your answer to the nearest tenth i
lutik1710 [3]

Answer:

As Per Given Information

Diameter of of baseball = 74 mm

We've been asked to find the volume of baseball .

As we know

Radius = Diameter/2

Radius = 74/2

Radius = 37 mm ( 1 mm = 0.1 cm)

Radius = 37/10 cm

Radius = 3.7 cm

Now let's calculate the volume of baseball

volume of baseball = 4/3 πr³

Put the given value we obtain

→ volume of baseball = 4/3 × 3.14 × (3.7)³

→ volume of baseball = 4/3 × 3.14 × 50.653

→ volume of baseball = 4/3 × 159.05042

→ volume of baseball = 636.20168/3

→ volume of baseball = 212.06

→ volume of baseball = 212 cm³ ( approx)

So, the volume of baseball is 212 cm³.

5 0
2 years ago
Read 2 more answers
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