How do you solve this problem for me please

Mathematics

1 answer:

melomori [17]3 years ago

6 0

He is not correct a parallelogram is the same thing as a rectangle with the same dimensions the area is 21 meters btw

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How to find the LCD of fractions

horrorfan [7]

Example: $\frac{3}{5}+ \frac{4}{9}$
Look at the denominator of the fractions, and then see whether there is a common prime number associated with them.
In this example, since 5 and 9 (3*3) do not have any common prime numbers, you just multiply these numbers together and get 45.
There, we just found the LCD of fractions.

6 0

4 years ago

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Blaine County, Idaho, has a population of more than 20,000 people. What is the order of magnitude for the number of people livin

zheka24 [161]

The order of magnitude is essentially the number of powers of 10, which means that numbers 1-10 have an order of magnitude 1.

Then numbers 11-100 have an order of magnitude 2.
Then numbers 111-1000 have an order of magnitude 3.
Then numbers 1111-10000 have an order of magnitude 4.
Then numbers 11111-100000 have an order of magnitude 5.

And our number is in the last part! so the answer is "5".

7 0

3 years ago

Which expression is equivalent to 3-(-5)

Helen [10]

Here is the equation:

$3-(-5)$

When you're subtracting a negative number from a positive number, the sign will change. The - sign will become + and the negative number becomes positive.

$3- \rightarrow 3+ \\ -5 \rightarrow 5$