452 algebra De mystif ieD
DeMYSTiFieD / algebra DeMYSTiFieD / gibilisco / 000-0 / appendix- If^34 x−=^1652 , then
A. x=^32
9B. x=^2
3C. x=^10
3D. x=^34
9- A cash register contains $5.99 in dimes, nickels, quarters, and pennies.
There are 2 more dimes than nickels, 3 more quarters than nickels, and
twice as many pennies as nickels. How many dimes are there?
A. 12 B. 14 C. 16 D. 20
8.^3 x^4 =
A. x43/ B. x34/ C. −x−43/ D. x−34/ - A small boat traveled 6 miles upstream and later returneD. The stream
current was 3 mph, and the total travel time was 1 hour, 4 minutes. What
would the boat’s speed have been in still water?
A. 9 mph B. 10 mph C. 11 mph D. 12 mph - If 32 xx^2 +−= 70 , then
A. x=− ±^2223 B. x=−±^12322 C. x=−±^1232
D. There are no solutions.- Lisa drove 36 miles to visit her sister. For the first part of the drive, she
averaged 40 mph and then traffic became lighter, allowing her to average
48 mph. The total trip lasted 50 minutes. How far did she travel on the
first part of her trip, the part for which she averaged 40 mph?
A. 16 miles B. 18 miles C. 20 miles D. 22 miles - Which of the following is the solution to 52 −>x 3?
A. (,−∞ 1 ) B. (,−∞ − 1 ) C. (,−∞ 1 ) D. (,∞)1 - x^29
25
−=A. x−
3
52
B. xx−
+
3
53
5C. ()xx−−
9 1
25
D. x^29
25− cannot be factored.