3 years ago

HELP PLEASE!

Mathematics

1 answer:

LUCKY_DIMON [66]3 years ago

6 0

Answer:

Option C should be the answer.

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The length of a rectangle is four times the width. The perimeter of the rectangle is 45 inches. Write a system of equations that

wolverine [178]

Answer:

Let l be the length and w the width of the rectangle.

P as the perimeter and A as the area.

length of a rectangle is four times the width:

w = w

l = 4w

System of equation : 2l + 2w = P

Substitute:

2(4w) + 2w = 45

8w + 2w

10w = 45

w = 45 / 10

w = 4.5

Solve for l:

l = 4w

l = 4(4.5)

l = 18

Area:

A = lw

A = 18(4.5)

A = 81 in²

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What is the fraction of 41.66667

Papessa [141]

Answer:

$41\frac{2}{3}$

I hope this helps!

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What is 0.01% written as a decimal

NikAS [45]

I am pretty confident its 1.0

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a classroom has a length of 20 feet and a width of 30 feet. The headmaster decided that tiles will look good in that class. if e

iogann1982 [59]

The area of the room must equal the sum of the areas of the tiles...

20*30=n(2*3)

600=6n

n=100

So 100 tiles are needed.

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Andy has three planks of wood. Two planks are each 1.5 m long. One plank is 2.5m long. What is the total length of all the three

11Alexandr11 [23.1K]

Given:

Two planks are each 1.5 m long.

One plank is 2.5m long.

To find:

The total length of all the three planks.

Solution:

Two planks are each 1.5 m long. So,

First plank = 1.5 m

Second plank = 1.5 m

One plank is 2.5m long. So,

Third plank = 2.5 m

Now, the total length of all the three planks is

$\text{Total length}=\text{First plank + Second plank + Third plank}$

$\text{Total length}=1.5+1.5+2.5$

$\text{Total length}=5.5$

Therefore, the total length of all the three planks is 5.5 m.

4 0

3 years ago