JY CHEN - Ask Anything, Learn Everything. Logo

Questions in Grade High-school

[Free] Simplify the following expression: $-5+3xy+2xy$

[Free] USING A PRIME FACTORIZATION Find the number represented by the prime factorization. 49. [tex]$2^2 \cdot 3^2 \cdot 5$[/tex] 50. [tex]$3^2 \cdot 5^2 \cdot 7$[/tex] 51. [tex]$2^3 \cdot 11^2 \cdot 13$[/tex]

[Free] The table below shows the amount of carbohydrates in similar servings of different fruits. [tex]\begin{table}\captionsetup{labelformat=empty}\caption{Amount of Carbohydrates in Fruit}\begin{tabular}{|c|c|}\hline 287 mL of Frult & Cabohydrates (Grams) \\ \hline Apples & 17 \\ \hline Bananas & 34 \\ \hline Cherries & 19 \\ \hline Grapelruit & 24 \\ \hline Oranges & 21 \\ \hline Peaches & 16 \\ \hline Watermelons & 12 \\ \hline\end{tabular}\end{table}[/tex] If this data was placed in a bar graph, which statement would describe the graph? A. The graph would have only four bars shorter than the bar for grapefruits. B. The graph would have five bars taller than the bar for apples. C. The graph would have grapefruits and oranges as the tallest bars.

[Free] Solve the following equations: 1. [tex]2x-20+8x+40=180[/tex] 2. [tex]10x-1=8x+7[/tex] 3. [tex]6(x-2)-x-3[/tex] 4. [tex]5x+2(x-2)=45[/tex] 5. [tex]4x+5=4x+6[/tex] 6. [tex]6x+3=.10x+6[/tex] 7. [tex]2x-8+2(x-5)=360[/tex] 8. [tex]\frac{3}{5}x-12=\frac{8}{5}x+5[/tex]

[Free] Which statement is true considering a significance level of 5%? A. The result is not statistically significant, which implies that wearing a watch does not help people manage their time better. B. The result is statistically significant, which implies that wearing a watch helps people manage their time better. C. The result is statistically significant, which implies that wearing a watch does not help people manage their time better. D. The result is not statistically significant, which implies that this result could be due to random chance.

[Free] -time he play matches again she was going t How does Kenny feel about the way Momma responds? Why? Why because he thinkshels FC but No that’s not the

[Free] Explain the irony when Hamlet tells Horatio he thinks he sees his father.

[Free] The specific heat capacity of a pure substance can be found by dividing the heat needed to change the temperature of a sample of the substance by the mass of the sample and by the change in temperature. The heat capacity of a certain substance has been measured to be [tex]$3.08 \frac{J}{ g \cdot{ }^{\circ} C }$[/tex]. Suppose [tex]$350 . g$[/tex] of the substance are heated until the temperature of the sample has changed by [tex]$48.6^{\circ} C$[/tex]. Write an equation that will let you calculate the heat [tex]$Q$[/tex] that was needed for this temperature change. Your equation should contain only symbols. Be sure you define each symbol.

[Free] Expression: $8(p+7)-4+2 p$ Meena's work: $\begin{array}{l} 8(3+7)-4+2(3) \\ 8(10)-4+2(3) \\ 80-4+6 \\ 80-10 \\ 70 \end{array}$ There is an error in Meena's work. Explain the error and correct it.

[Free] The heat of vaporization for water is $40.7 kJ / mol$. How much heat energy must 150.0 g of water absorb to boil away completely? Use the formula $q=n \Delta H$.