What are compatible numbers?

1 answer:

7 0

Compatible numbers are numbers that are close in value to the actual numbers and easy to add, subtract, multiply, or divide mentally. They are useful in estimating the sum, difference, product, or quotient.

You might be interested in

Convert each fraction to a decimal. Classify the decimal as terminating, non-terminating, repeating, or nonrepeating. If the dec

mixas84 [53]

Answer:

0.375

Step-by-step explanation:

I just divided 3 and 8

8 0

3 years ago

Sorry this a lot.

raketka [301]

Your
<span>-4| 3 7 -20
-12 20
______________
3 -5 0
is a bit hard to read. Try this format:
__________
-4 / 3 7 -20
-12 20
-------------------
3 -5 0

Because the remainder is 0, we know that -4 is a root and (x+4) is a factor. Note the new coefficients in the last row: 3 -5. They are the coeff. of the quotient, namely, 3x-5. So (3x-5) is a factor of the original polynomial.

</span>

5 0

3 years ago

Read 2 more answers

Find the center and the radius of the circle.<br> (x - 5)2 + (y + 1)2 = 9

Angelina_Jolie [31]

Answer:

The centre's coordinates are: (5; -1)

Radius is the square of 9:

$\sqrt{9} = 3 \: and \: - 3 \\ it \: has \: to \: be \: positive \: therefore \: it \: is 3$