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Questions in Grade High-school
[Homework Help] 50 milligrams to grams. 50 mg = ? g
[Homework Help] Simplify the expression by using distribution: $7 y x(-9 y-3)$
[Homework Help] Find the domain of [tex]f ( x )[/tex]. [tex]f(x)=\sqrt{6-2 x}[/tex]
[Homework Help] $(4 x^2+6 x-10)-(2 x^2-8 x^{-4})$
[Homework Help] Given [tex]$\sin \theta=\frac{3}{5}$[/tex] and [tex]$\cos \theta=\frac{4}{5}$[/tex], what is [tex]$\tan \theta$[/tex]? Report your answer in simplest form.
[Homework Help] Terry is trying to place a satellite dish on the roof of his house at the recommended height of 30 feet. His house is 32 feet wide, and the height of the roof can be described by the function [tex]$h(x)=-\frac{3}{2}|x-16|+24$[/tex], where [tex]$x$[/tex] is the distance along the width of the house. Where should Terry place the dish?
[Homework Help] NaCl has a [tex]$\Delta H_{\text {fus }}=30.2 kJ / mol$[/tex]. What is the mass of a sample of NaCl that needs 732.6 kJ of heat to melt completely? Use [tex]$q=n \Delta H$[/tex].
[Homework Help] What is the value of the expression below when [tex]$y=9$[/tex]? [tex]$y^2+3 y-4$[/tex]
[Homework Help] Evaluate: $-4+2\left[-2-8\left((-6)^2+4\right)\right]$
[Homework Help] Evaluate the expression. $42 \div 2-3 \times 4$
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