VincenTragosta - Tanya, Jawab, dan Belajar Tanpa Batas

Recent Questions

In **Mathematics** / **Middle School** | 2014-10-29

[Terjawab] Hunter won 89 percent of his wrestling matches this year and came in third at the state tournament. If he competed in 46 matches over the course of the season (including the state tournament), how many did he lose?

In **Mathematics** / **Middle School** | 2014-10-29

[Terjawab] What is the answer to this? Show your work. \[ \frac{18}{9} + 3^2 \]

In **Mathematics** / **High School** | 2014-10-29

[Terjawab] The sum of 12 and the quantity 8 times a number \( k \) is equal to 48. Express this as an equation: \[ 12 + 8k = 48 \]

In **Mathematics** / **Middle School** | 2014-10-29

[Terjawab] Turn \(\frac{8}{200}\) into a decimal using an equivalent fraction. Show your steps.

In **Mathematics** / **High School** | 2014-10-29

[Terjawab] What is the value of the expression when \( a = 4 \) and \( b = 3 \)? \[ 4a + b - 5 \] A. 2 B. 14 C. 7 D. 6

In **Mathematics** / **High School** | 2014-10-29

[Terjawab] 6.3 is 7% of what number?

In **Mathematics** / **Middle School** | 2014-10-29

[Terjawab] A drop on a wooden roller coaster is -98 1/2 feet. A drop on a steel roller coaster is 100 1/4 feet lower than the drop on the wooden roller coaster. What is the drop on the steel roller coaster?

In **Mathematics** / **High School** | 2014-10-29

[Terjawab] Solve for \( x \) and justify each step. \[ 3x - 7 = 5x - 19 \]

In **Chemistry** / **Middle School** | 2014-10-29

[Terjawab] If atoms of a halogen nonmetal gain one electron, the atoms then have how many valence electrons?

In **Mathematics** / **High School** | 2014-10-29

[Terjawab] The voltage across a charged capacitor, measured in volts, is given by the equation [tex]V(t) = 4(2.72)^{\frac{-t}{2}}[/tex], where [tex]t[/tex] is measured in seconds since the current was removed. Include at least three decimal places in all your answers. a. What is the voltage after 2 seconds? b. What is the 1-second growth factor? c. When will the voltage be 1 volt? d. When will the voltage be [tex]x[/tex] volts? (Your answer should be an exact expression with [tex]x[/tex] in it)