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Questions in Grade College

[Jawaban] Solve for x. $4^x=21$ Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. The solution is $x=$ $\square$ . (Type an integer or a decimal. Do not round until the final answer. Then round to four decimal places a B. The solution is not a real number.

[Jawaban] The synthesis reaction to form boron hydride is: [tex]2 B( s )+3 H _2(g) \rightarrow B _2 H _2(g), \Delta H =+36 KJ$[/tex]. What is the enthalpy value for the manipulated reaction: [tex]$1 / 2 B_2 H _2(g) \rightarrow B ( s )+3 / 2 H _2(g)$[/tex] ? A. -18 KJ B. -36 KJ C. +18 KJ D. +72 KJ

[Jawaban] Which of the following refers to the cost associated with determining the condition of the property when buying a home? A. appraisal B. discount C. inspection D. origination

[Jawaban] Given: Circle O with diameter LN and inscribed angle LMN Prove: $\angle LMN$ is a right angle. What is the missing reason in step 5? | | Statements | | Reasons | | :--------- | :---------------------------------------------------- | :--------- | :--------------------------------------------------------- | | 1. | circle O has diameter LN and inscribed angle LMN | 1. | given | | 2. | $\overleftarrow{ KN }$ is a semicircle | 2. | diameter © divides into 2 semicircles | | 3. | circle O measures $360^{\circ}$ | 3. | measure of a circle is $360^{\circ}$ | | 4. | $m \overline{ LKN }=180^{\circ}$ | 4. | definition of semicircle | | 5. | $m \angle LMN =90^{\circ}$ | 5. | ? | | 6. | $\angle LMN$ is a right angle | 6. | definition of right angle | A. HL theorem B. inscribed angle theorem C. diagonals of a rhombus are perpendicular.

[Jawaban] Subtract. [tex]$\frac{v}{3 c k^3}-\frac{4 c^3 x^3}{9 a^3 k^2}$[/tex] Simplify your answer as much as possible.

[Jawaban] Find the slope and $y$-intercept of the graph of the linear equation. $y=-5 x+4$

[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 these should be reportable diseases to protect public health? A. Diabetes B. Obesity C. Lung cancer D. Measles

[Jawaban] Question 1 Which line has a slope of -68.7 and a $y$-intercept of -5.1 ? $y=-5.1 x-68.7 \quad y=-68.7 x-5.1$ $y=-5.1 x+68.7$ $y=68.7 x-5.1$

[Jawaban] Which principle of design did Pablo Picasso create with the simplicity of the lines in his drawing Portrait of Igor Stravinksy? A. Pattern B. Proportion C. Variety D. Unity