Questions in Grade College

Questions in Grade College

[Jawaban] Solve the system by substitution. Check your solution. [tex]0.5 x+0.25 y=36[/tex] [tex]y+18=16 x[/tex] A. [tex](36,72)[/tex] B. [tex](9,126)[/tex] C. [tex](49,81)[/tex] D. [tex](21,9)[/tex]

[Jawaban] Which function is the inverse of [tex]f(x)=2 x+3[/tex] ? A. [tex]f^{-1}(x)=-\frac{1}{2} x-\frac{3}{2}[/tex] B. [tex]f^{-1}(x)=\frac{1}{2} x-\frac{3}{2}[/tex] C. [tex]f^{-1}(x)=-2 x+3[/tex] D. [tex]f^{-1}(x)=2 x+3[/tex]

[Jawaban] The words very young children say are not really words, so they do not require a response. True False

[Jawaban] Determine whether the following equation defines y as a function of x. [tex]x^2+y=16[/tex] Does the equation [tex]x^2+y=16[/tex] define [tex]y[/tex] as a function of [tex]x[/tex]? Yes No

[Jawaban] How do commercial refrigeration systems differ from household refrigerators? A. They use a different class of refrigerants. B. They always operate at lower temperatures. C. They use vastly different components. D. They are typically larger in capacity.

[Jawaban] Find: $(6 m^5+3-m^3-4 m)-(-m^5+2 m^3-4 m+6)$ 1. Write subtraction of a polynomial expression as addition of the additive inverse. $(6 m^5+3-m^3-4 m)+(m^5-2 m^3+4 m-6)$ 2. Rewrite terms that are subtracted as addition of the opposite. $6 m^5+3+(-m^3)+(-4 m)+m^5+(-2 m^3)+4 m+(-6)$ 3. Group like terms. $[6 m^5+m^5]+[3+(-6)]+[(-m^3)+(-2 m^3)]+[(-4 m)+4 m]$ 4. Combine like terms. 5. Write the resulting polynomial in standard form. $\square$ $m^5$ $\square$ $m^3+$ $\square$ $m-3

[Jawaban] Sam is planning to start a pool cleaning business. If Sam meets his profit goal of $45,000 the first year and expects his annual profits to increase by 5.5% each year for the next 3 years, how much profit does Sam expect to make in his third year of business? $A=P(1+r)^2$ A. $47,475.00 B. $50,086.13 C. $52,840.86 D. $55,747.11

[Jawaban] How mindful am I? 4. A woman with a big belly was about to enter the building. I told my friend, "We need to go open the door for that lady. She's pregnant." Did I T.H.I.N.K. before I spoke? ___N_ 5. A boy told his friend to hold the door open for me because I'm pregnant. I said, "Hey, I'm not pregnant! You sayin' I'm fat?" Did I T.H.I.N.K. before I spoke? T_N 6. A boy told his friend to hold the door open for me because I'm pregnant. I said, "Thank you for holding the door, but I'm actually not pregnant." Did I T.H.I.N.K. before I spoke? T_______________ 7. I saw a couple of kids cheating on a test. I went up to the teacher after class and told him what I'd seen. Did I T.H.I.N.K. before I spoke? _T__ H _ I __ N _

[Jawaban] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

[Jawaban] Which of the following should be included in a vehicle safety check to ensure a smooth ride without unexpected delays? A. Tire condition B. Cleanliness of vehicle C. Full tank of gas D. Music choices