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Recent Questions

In **Chemistry** / **Middle School** | 2013-12-08

[Answered] Why are some examples of a chemical reaction not actually foolproof evidence of a chemical reaction? Provide two examples to support the statement that commonly known signs of chemical reactions are not always foolproof evidence of a chemical reaction.

In **Mathematics** / **High School** | 2013-12-08

[Answered] Simplify the expression: \((−2x^0y^3)(4x^2y^4) + (2y^5)(3xy)^2\)

In **History** / **Middle School** | 2013-12-08

[Answered] Who was the first President of the United States of America?

In **Mathematics** / **Middle School** | 2013-12-08

[Answered] Alex built a snowman using three snowballs: one small, one medium, and one large, with diameters in the ratio 2:3:5. Assuming the snowballs are perfectly spherical and stacked vertically with adjacent snowballs sharing a single point of tangency, if the diameter of the medium snowball is 18 inches, what is the maximum height, in feet, of the snowman Alex built using the three snowballs?

In **Mathematics** / **High School** | 2013-12-08

[Answered] What is AAS congruence?

In **Chemistry** / **Middle School** | 2013-12-08

[Answered] What are the sides of the DNA ladder made of?

In **Mathematics** / **Middle School** | 2013-12-08

[Answered] You have designed a picture that is shaped as a square with dimensions of 6 x 6 inches. You want to enlarge it into a poster with dimensions of 13 x 13 inches. The duplication machine has three settings: reduce by 75%, enlarge by 140%, or make copies at 100%. How many multiple enlargements or reductions will you need to make in order to create a poster that has its sides 13 x 13 inches, accurate within five hundredths?

In **Mathematics** / **High School** | 2013-12-07

[Answered] Given the equation: \[ \log_3(2x - 5) = 2 \] Solve for \( x \) to find why the answer is \(\frac{41}{2}\).

In **Mathematics** / **Middle School** | 2013-12-06

[Answered] What is the volume of a sphere when [tex]r = 9 \text{ ft}[/tex]?

In **Mathematics** / **High School** | 2013-12-06

[Answered] Find the slope and y-intercept of the graph of the equation: \[ Y = 6x + 11 \]