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Recent Questions

In **Mathematics** / **Middle School** | 2013-12-10

📝 Answered - The cost of 5 similar digital cameras and 3 similar video cameras is $3213. Each video camera costs 4 times as much as each digital camera. John buys a digital camera and a video camera. How much does he pay?

In **Mathematics** / **Middle School** | 2013-12-10

📝 Answered - At the beginning of 6th grade, the ratio of the number of advanced math students to regular math students was 3:8. After taking the placement tests, students were moved around, changing the ratio to 4:7. How many students started in regular and advanced math if there were 92 students in advanced math after placement?

In **Physics** / **High School** | 2013-12-10

📝 Answered - Can water and pebbles form a solution?

In **Mathematics** / **Middle School** | 2013-12-10

📝 Answered - The distance from home plate to second base is about 127.3 ft. 1. How would you find the distance between the bases? 2. Estimate the distance between the bases to the nearest foot. 3. When you hit a home run, how far do you run?

In **Mathematics** / **High School** | 2013-12-09

📝 Answered - Suppose \(\theta = \frac{11\pi}{12}\). How do you use the sum identity to find the exact value of \(\sin \theta\)?

In **Mathematics** / **Middle School** | 2013-12-09

📝 Answered - Solve the equation: \[ 7 - 3(5t - 10) = 67 \]

In **Mathematics** / **High School** | 2013-12-09

📝 Answered - Use the Remainder Theorem to explain whether or not [tex](x-2)[/tex] is a factor of [tex]F(x) = x^4 - 2x^3 + 3x^2 - 10x + 3[/tex].

In **Mathematics** / **High School** | 2013-12-09

📝 Answered - Find the LCM of 8, 9, and 12.

In **Mathematics** / **High School** | 2013-12-09

📝 Answered - If [tex]\arctan\left(\frac{3}{5}\right) = K[/tex], find [tex]\tan(K)[/tex].

In **History** / **High School** | 2013-12-09

📝 Answered - What was an effect of nationalism in Europe in the early 1900s?