Find the exact perimeter. Then approximate your answer to the nearest tenth.
A. 13
+ 4
, 29.7
B. 9
, 50.9
C. 42, 42.0
D. 21
, 29.7
Answer: D
Mathematics
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Write as the sum and/or difference of logarithms. Express powers as factors. log9
A. 
log919 - 2 log9s - 2 log9r
B. log919 - log9s - log9r
C. 
log919 - 2 log9s - log9r
D. 10 log919 - 2 log9s - log910
Mathematics
Find an equation for the ellipse described.Foci at (2, 5) and (-8, 5); vertex at (-9, 5)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Divide and simplify.
÷ 
A. 
B. 
C. 
D. z + 4
Mathematics
Fill in the blanks. Pulley A Pulley B Diameter rpm Diameter rpm 20 cm 90 30 cm __________ __________ in. 40 8 in. 20
What will be an ideal response?
Mathematics