Translate the phrase into a mathematical expression and then evaluate it.Sixty divided by five, minus eight
A. - 8; 4
B. + 8; 20
C. ; 20
D. ; 4
Answer: A
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Multiply. Assume that all variables represent nonnegative real numbers.( - 2)(
- 4)
A. - 6
+ 8
B. + 8
C. -5 + 8
D. - 4
- 2
+ 8
Write the rational expression in lowest terms.
A.
B.
C. -1
D. 1
Solve the problem.Sandy manages a ceramics shop and uses a kiln to fire ceramic greenware. After turning off her kiln, she must wait until its temperature gauge reaches
before opening it and removing the ceramic pieces. If room temperature is
and the gauge reads
in 13 minutes, how long must she wait before opening the kiln? Assume
the kiln cools according to Newton's Law of Cooling: U = T + (Uo - T)ekt.(Round your answer to the nearest whole minute.) A. 381 minutes B. 105 minutes C. 68 minutes D. 567 minutes
Solve the system by solving the corresponding matrix equation with an inverse, if possible.
?
?
?
A. ?
B. ?
C. ?
D.
E. ?