09.11.2012 Views

5 -5 -5 5

5 -5 -5 5

5 -5 -5 5

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

Name<br />

� LESSON MASTER 2-7B page 2<br />

4. While studying gears, a physics class<br />

collected the data in the table<br />

relating the number of teeth in a gear<br />

and the speed of the gear in revolutions<br />

per minute. What would be the speed<br />

of a gear with 30 teeth?<br />

a.<br />

5. The table to the right gives the<br />

number of square tiles of various<br />

sizes needed to floor a small<br />

restaurant kitchen. How many<br />

square tiles with 8-in. sides<br />

would be needed?<br />

a.<br />

6. A packaging specialist studied the weights of 100 ball<br />

bearings of various diameters. The data are in the table.<br />

a.<br />

32<br />

S<br />

100<br />

80<br />

60<br />

40<br />

20<br />

N<br />

2000<br />

1000<br />

Diameter of bearing (mm) 3 4 5 6 7 8<br />

Weight of 100 bearings (grams) 12 28 54 93 147 220<br />

Number of teeth 10 12 18 24 36<br />

Speed (rpm) 108 90 60 45 30<br />

What would be the weight of 100 ball bearings with 10-mm diameters?<br />

W<br />

200<br />

100<br />

6 12 18 24 30 36<br />

4 8 12<br />

T<br />

2 4 6 8 10<br />

D<br />

L<br />

b.<br />

c.<br />

d.<br />

Length of tile side 4 in. 6 in. 9 in. 12 in.<br />

Number of tiles 1944 864 384 216<br />

b.<br />

c.<br />

d.<br />

b.<br />

c.<br />

d.<br />

UCSMP Advanced Algebra © Scott, Foresman and Company

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!