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Q10: <span class="ql-formula" data-value="\begin{array} { l } x
Q192: A hot-air balloon is rising vertically
Q217: In a study of heat transfer
Q236: <span class="ql-formula" data-value="y \geq|x+6|"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>y</mi><mo>≥</mo><mi
Q283: <span class="ql-formula" data-value="\left[ 7 \left( \cos 150
Q299: Let <span class="ql-formula" data-value="\mathbf {
Q331: The following table shows the per
Q334: A fishing boat leaves port on
Q349: <span class="ql-formula" data-value="\left| \begin{array} { l l
Q399: <span class="ql-formula" data-value="\left| \begin{array} { r r