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3 years ago

What is the length of a rectangular table that is 18 sq ft and the width is 3 feet

Mathematics

2 answers:

Afina-wow [57]3 years ago

5 0

The length would be 6 feet because if width is 3ft and the total is 18 sq feet, Divide 18 and 3 to get 6

notka56 [123]3 years ago

4 0

I'm assuming 18 sq ft is the area, divide that by the width to get 9 feet. (Length x Width = area)

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Select all the correct answers. What is 221,000,000,000,000,000,000 expressed in scientific notation? 2. 21 × 1021 2. 21E20 2. 2

goldfiish [28.3K]

To solve the problem we must know about Scientific notations.

<h2>Scientific notations</h2>

The way through which a very small or a very large number can be written in shorthand. In scientific notations when a number between 1 and 10s is multiplied by a power of 10.

For example, 6,500,000,000,000 can be written as 6.5e+12.

The number of 221,000,000,000,000,000,000 can be represented as 2.21e+21.

<h2>Explanation</h2>

Given to us

221,000,000,000,000,000,000

The above number can be written as 2.21e+21.

As in scientific notations, the number between 1 and 10 can only be represented, therefore, the number can be only 2.21e+21.

Hence, the number of 221,000,000,000,000,000,000 can be represented as 2.21e+21.

Learn more about scientific notations:

brainly.com/question/1740231

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2 years ago

|a| if a>0<br> Please help!

JulijaS [17]

Answer:

Step-by-step explanation:

the absolute value bars mean we ignore the sign of the variable

As (a) is always positive for a>0, |a| = a

For contrast, If the range were a<0 where (a) is always negative, then |a| = -a

6 0

3 years ago

Read 2 more answers

A recipe has a ratio of 2 cups of sugar to 6 cups of flour. How many cups of flour are used for each cup of sugar in the recipe?

statuscvo [17]

The ratio 2 to 6 can be reduced to 1 to 3. That means for every 3 cups of flour there is one cup of sugar.

6 0

4 years ago

Read 2 more answers

What is the solution? you can solve using elimination or substitution.

Alexxx [7]

Plug in the x+3 for y.
8x-x+3=12
7x=9
X=1.3

Then, y= -0.25

3 0

3 years ago

Read 2 more answers

Fill in the missing numbers below.

Levart [38]

Answer:

5 feet + 12 inches = 2 yards

48 inches = 1 foot + 1 yard

5 feet = 3 feet + 24 inches

Step-by-step explanation:

To help solve these equations, you must know how to convert feet to inches, inches to yards, etc. Use the information below:

1 feet = 12 inches

3 feet = 1 yard

To solve 5 feet + 12 inches = blank yard(s), convert 5 feet & 12 inches to yards. Since 5 feet would be complicated to convert, let's convert 12 inches to feet first.

12 inches = 1 feet

Instead of 12 inches, we can substitute it as 5 feet + 1 feet = blank yard(s). That would be 6 feet = ? yards. 3 feet = 1 yard, which tells us we must divide both sides by 3. Thus, 5 feet + 12 inches = 2 yards.

Blank inches = 1 foot + 1 yard

To find the # of inches in a yard, you must first know that 3 feet = 1 yard. If there are 12 inches in a foot, we must multiply 3 by 12, getting us 36. You add 12 inches (1 foot), getting us 48 inches in total. Thus 48 inches = 1 foot + 1 yard.

Blank feet = 3 feet + 24 inches

Since 3 feet is already feet, we do not need to convert it. If 12 inches is 1 foot, we must divide 24 inches by 12. So, there is 2 feet in 24 inches. 2 + 3 is 5. Thus, 5 feet = 3 feet +24 inches.

8 0

3 years ago