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scZoUnD [109]
3 years ago
6

Use an inverse matrix to solve the matrix equation.

Mathematics
1 answer:
frosja888 [35]3 years ago
4 0
3+14=17 HHS’s hdhbd hdhhd
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Simplify each of the following expressions to find the length of the tightrope
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What is the length ?
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Alika [10]

Simplify  6 – 4x – 2 + x

Combine like terms:

6 - 2 = 4

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Simplify 5 – 2x – 3 + x

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Step-by-step explanation:

8 0
2 years ago
Chandresh is helping his father paint the fence in their back yard. The fence is represented by the shaded part of the diagram b
Lyrx [107]

B. The total area painted is 864; they must buy two cans of paint.

Step-by-step explanation:

Step 1:

A rectangle's area can be calculated by multiplying its length and its width. The wall is made up of 5 different types of rectangular walls. All walls are 8 feet tall but the length varies.

Step 2:

The area of the 20 feet long wall = (length)(width)= (20)(8) =160,

The area of the 10 feet long wall = (length)(width)= (10)(8) =80,

The area of the 5 feet long wall = (length)(width)= (5)(8) =40,

The area of the 4 feet long wall = (length)(width)= (4)(8) =32,

The area of the 15 feet long wall = (length)(width)= (15)(8) =120.

The area of all the walls = 432 square feet.

Since there are two sides for every wall, total area = 432(2)=864 square feet.

Step 3:

If one paint can covers 500 square feet,

the number of cans required to paint 864 square feet = \frac{864}{500} = 1.728 cans.

so 2 paint cans are needed to paint 864 square feet which is option B.

7 0
3 years ago
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