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In **Mathematics** / **College** | 2025-08-20

[Answered] Evaluate the following algebraic expression at [tex]x=-2, y:=-7, z=4[/tex] and simplify your answer. [tex]\frac{-5 x+y}{-2 z}[/tex]

In **Mathematics** / **College** | 2025-08-20

[Answered] Subtract: $\left(-3 x^7-11 u\right)-2 x^7$ Your answer should be in simplest terms.

In **Mathematics** / **College** | 2025-08-20

[Answered] Rewrite the following numbers including commas where appropriate: a. 4321 b. 54321 c. 224466 d. 2224466 e. 10010011001 Solve each expression. Record your answer in standard form. | Expression | | -- | | 4 tens +6 tens | | 8 hundreds +2 hundreds | | ten millions +7 ten millions | Represent each addend with place value disks in the place value chart. Show the composition from 10 smaller units. Write the sum in standard form. thousands +12 hundreds =

In **Mathematics** / **High School** | 2025-08-20

[Answered] Select the correct answer. Which exponential equation is equivalent to this logarithmic equation? [tex]$\log x=4$[/tex] A. [tex]$10^4=x$[/tex] B. [tex]$10^x=4$[/tex] C. [tex]$e ^x=4$[/tex] D. [tex]$e^4=x$[/tex]

In **Mathematics** / **College** | 2025-08-20

[Answered] Express 4592.3 to two significant figures.

In **Chemistry** / **High School** | 2025-08-20

[Answered] The molar heat of fusion for water is $6.01 kJ / mol$. How much energy must be added to a $75.0-g$ block of ice at $0^{\circ} C$ to change it to 75.0 g of liquid water at $0^{\circ} C$? Use $q=n \Delta H$.

In **Mathematics** / **High School** | 2025-08-20

[Answered] Match each equation to its solution. [tex]x=6[/tex] [tex]x=-5[/tex] [tex]x=-7[/tex] \begin{tabular}{|l|l|l|} \hline [tex]4.5 x-7=20[/tex] & & \\ \hline [tex]-3 x+7=28[/tex] & & \\ \hline [tex]2 x+3=-7[/tex] & & \\ \hline \end{tabular}

In **Physics** / **College** | 2025-08-20

[Answered] Calculate the density of a 500 g rectangular block with the following dimensions: length = [tex]$8 cm$[/tex], width = [tex]$6 cm$[/tex], height = [tex]$5 cm$[/tex].

In **Mathematics** / **High School** | 2025-08-20

[Answered] Calculate $6 \frac{6}{4} \% \operatorname{tax}$ on $2,305. a. $ 15.56 b. $ 145.22 c. $ 146.14 d. $ 155.59

In **Business** / **College** | 2025-08-20

[Answered] What should appear in the body of an external-informational message? A. A reminder that the audience members are customers who have purchased your products and have a relationship with you. B. A clear, concise statement of the exact reason why you decided to share the message. C. What the audience needs to know in order to comply with, follow, or understand your purpose. D. A closing statement that builds trust and strengthens business relationships.