State the phrase as a mathematical expression. Use x to represent the variable.Three divided by a number
A. 3 - x
B. 
C. 3 + x
D. 3x
Answer: B
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Solve.-4.4x + 1.5 = -4.5 - 1.4x
A. x = -9 B. x = 1.4 C. x = 2 D. x = 1.7
A 450-room hotel is two-thirds filled when the nightly room rate is $80. Experience has shown that each $15 increase in cost results in 30 fewer occupied rooms. Find the nightly rate that will maximize income. ? Please enter your answer as a number without the units.
Fill in the blank(s) with the appropriate word(s).
A hospital has a 2%-saline solution and an 8%-saline solution on hand. How much of each should be used to prepare 3,600 cm 3 of 7%-saline solution?Amount of 2%-saline solution: __________ cm 3 Amount of 8%-saline solution: __________ cm 3
What will be an ideal response?
Decide whether the relation defines a function.
A. Function B. Not a function