Posted by **DJ** on Wednesday, February 20, 2008 at 8:50pm.

Double check please

Write each of the following as a common fraction or mixed number. Write your answer in lowest term

28. 15.35

Answer: 1535 / 100 = 307/20 = 15 35/100 is 15 7/20

Complete each of the following statement, using the symbol < or >

5/16 _0.313

Answer >

- math -
**Guido**, Wednesday, February 20, 2008 at 9:04pm
We have the decimal number:

15.35, which becomes 15(35/100).

The fractional part can be reduced.

What is the biggest number that can evenly fit into 35 and 100 without a remainder?

How about 5?

35/5 = 7

100/5 = 20

Final answer:

5_7/20

===============

The inequality symbols have names:

> means GREATER THAN

< means LESS THAN

The arrow ALWAYS points to the smaller number.

We have a fraction on the left and a decimal number on the right:

5/16 ___ 0.313

Which inequality symbol goes on the line?

When we divide 5 by 16, we get 0.3135, right?

Which is bigger?

0.3135 or 0.313?

Of course, 0.3135 is bigger.

Final answer:

5/16 > 0.313

Done!

- math -
**CORTEZ**, Wednesday, February 20, 2008 at 9:27pm
INEQUALITY AND GRAPH

5x-7(x+1)>-9

<-+-+-+-+-+-+-+-+-+-+->

-4-3-2-1 0 1 2 3 4 5

- math -
**Damon**, Wednesday, February 20, 2008 at 10:28pm
5 x - 7 x - 7 >-9

-2 x > -2

divide both sides by -2. When you multily both sides by a negative number, change direction of arrow.

x < 1

put an open circle around x =1 and an arrow to the left.

+++++++++++++++++++++++++++++

check, try x = 0

5*0 - 7*0 - 7 >-9 ?

-7 > -9 sure enough

try x = 1 (should be right on the edge)

5 - 7(2) > -9 ?

5 - 14 >-9

-9 >-9 sure enough, this is the edge

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