Add or subtract. Then simplify by collecting like radical terms, if possible. Assume that no radicands were formed by raising negative numbers to even powers.2
- 4
A. cannot simplify
B. 0
C. 24
D. 8
- 4
Answer: B
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Solve.x2 + (y + 1)2 = 36 y = x2 + 5
A. (5, 0), (-8, -i
), (-8, i
)
B. (-
, 8), (
, 8), (-i
, -5), (i
, -5)
C. (0, 5), (-i
, -8), (i
, -8)
D. (-i
, -8), (i
, -8), (-
, 5), (
, 5)
Round the number as specified.2716.05 to the nearest thousand
A. 2700 B. 3000 C. 2720 D. 2716
Solve the problem.In one year, a baseball player got 194 hits in 499 times at bat. What was his batting average? Round your answer to the nearest thousandth.
A. 0.389 B. 0.369 C. 0.392 D. 0.399
Solve the problem.A chemist needs 120 milliliters of a 69% solution but has only 67% and 79% solutions available. Find how many milliliters of each that should be mixed to get the desired solution.
A. 100 mL of 67%; 20 mL of 79% B. 110 mL of 67%; 10 mL of 79% C. 10 mL of 67%; 110 mL of 79% D. 20 mL of 67%; 100 mL of 79%