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navik [9.2K]
2 years ago
14

2. The width of a rectangle is 12 inches less than its length. The perimeter of the rect-

Mathematics
1 answer:
Alona [7]2 years ago
5 0

Answer:

P= 2*Lenght + 2*Width

Since the perimeter is 56 inches we can solve for the lenght with this equation:

56 in = 2*12in + 2*Length

And solving for the length we got:

Length = \frac{56in -24 in}{2} 16 in

So then the lenght = 16 inhes and the width of 12 inches

Step-by-step explanation:

For a rectangle of width 12 inches and lenght y inches we know that the perimeter is given by:

P= 2*Lenght + 2*Width

Since the perimeter is 56 inches we can solve for the lenght with this equation:

56 in = 2*12in + 2*Length

And solving for the length we got:

Length = \frac{56in -24 in}{2} 16 in

So then the lenght = 16 inhes and the width of 12 inches

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A counter top is 18 feet long and 3 feet wide. What is the area of the counter top in square meters? Use the conversion 1 foot =
podryga [215]

Answer:

Area of the counter top is 5.02\ m^2.

Step-by-step explanation:

Given:

Length of the Counter top = 18 feet

Width of the counter top = 3 feet

We need to find the area of the counter top is square meter;

Solution:

Now we need to find the area of the counter top is square meter.

But given data is in feet so we will first convert feet into meters.

1 foot = 0.305 meter.

So 18 feet = Number of meters in 18 feet.

By Using Unitary method we get;

Number of meters in 18 feet = 18\times 0.305 = 5.49\ m

Length of the Counter top = 5.49 m

Also 3 feet = Number of meters in 3 feet.

Again Using Unitary method we get;

Number of meters in 3 feet = 3\times 0.305 = 0.915\ m

Width of the counter top = 0.915 m

Now we know that;

Area of the counter top can be calculated by multiplying Length of the counter top with width of the counter top.

framing in equation form we get;

Area of the counter top = 5.49\times 0.915 = 5.0233\ m^2

Rounding up to 2 decimals we get;

Area of the counter top =  5.02\ m^2

Hence Area of the counter top is 5.02\ m^2.

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3 years ago
If a single card is drawn from a standard 52-card deck, in how many ways can a card other than nine be obtained?
Novosadov [1.4K]

Answer:

48 ways

Step-by-step explanation:

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8.546 rounded to the nearest tenths?
nikitadnepr [17]

Answer:

8.550

Step-by-step explanation:

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