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Recursos para tareas escolares en Australia

Descubre preguntas reales sobre tareas de estudiantes australianos. Obtén soluciones detalladas y ayuda de expertos para tus estudios.

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Preguntas

Australia
2. Two cars are racing on a 100 m track. Car A travels at a constant rate and finishes the race is 4.5 seconds. Car B stalls at the start but wins the race by 0.5 seconds because it travels \( 150 \% \) faster than Car A. How long did it stall for?
Álgebra Jan 30, 2025
\[ f(x) = 3x + 4 \quad g(x) = 2x - 3 \] \[ \text{Find: } f \circ g(x) \]
Álgebra Jan 30, 2025
2. Probability, 2ADV S1 2021 HSC 6 MC There are 8 chocolates in a box. Three have peppermint centres ( P ) and five have caramel centres (C). Kim randomly chooses a chocolate from the box and eats it. Sam then randomly chooses and eats one of the remaining chocolates. A partially completed probability tree is shown.
Probability Jan 30, 2025
\[ \text{Find } 2011^2 - 2010^2 \text{?} \]
Álgebra Jan 29, 2025
Question 7. Find the value of \( m \) for which the pair of simultaneous equations \( 3 x+m y=5 \) and \( (m+2) x+5 y=m \) have: a. infinitely many solutions - Workspace
Álgebra Jan 29, 2025
\[ \text{Find } 2011^2 - 2010^2 \text{?} \]
Álgebra Jan 29, 2025
Example 8 Wher 14.6 mol of morphine \( \mathrm{C}_{17} \mathrm{H}_{17} \mathrm{O}_{3} \mathrm{NH}_{2} \) is dissolved in waier to make 500 mL of solution, what will be the pH of the solution?
Química Jan 29, 2025
7. The length of the hypotenuse of a right-angled triangle uses the formula c \( 2=a 2+\mathrm{b} 2 \). Calculate the length of the hypotenuse for a triangle with side tengths of \( \sqrt{2} \) and \( \sqrt{3} \). Leave your answer as a surd.
Geometría Jan 29, 2025
6. MC Select the correct answer for the expression \( \sqrt{5}-2 \sqrt{45}+3 \sqrt{20} \). A. \( 7 \sqrt{5}+ \) B. \( \sqrt{5} \) C. \( 2 \sqrt{ } 70 \) D. \( 19 \sqrt{5} \) E. \( 18 \sqrt{5} \) 7. The length of the hypotenuse of a right-angled triangle uses the formula c \( 2=\mathrm{a} 2+\mathrm{b} \). Calculate the length of the hypotenuse for a triangle with side lengths of \( \sqrt{2} \) and \( \sqrt{3} \). Leave your answer as a surd. 8. MC Select how many significant figures there are in 0.0305. A. 1 B. 2 C. 3D. 4 E. 5 9. Round 7.43861 to 3 decimal places. 10. Round 7.43861 to 3 significant figures.
Aritmética Jan 29, 2025
Find the equations, in the form \( y=m x+c \), of the lines which pass through the following pairs of points: \( (1,0),(4,2) \)
Geometría Jan 29, 2025
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