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Questions in mathematics

[Jawaban] Simplify $\sqrt{80}+\sqrt{2 \frac{2}{9}}$ Give your answer in the form $\frac{d \sqrt{e}}{3}$ where $d$ and $e$ are integers.

[Jawaban] What is the radius of a circle whose equation is $(x+5)^2+(y-3)^2=4^2$? A. 2 units B. 4 units C. 8 units D. 16 units

[Jawaban] Which shows how to solve the equation [tex]$\frac{3}{4} x=-6$[/tex] for [tex]$x$[/tex] in one step? A. [tex]$\frac{4}{3}\left(\frac{3}{4}\right) x=-6\left(\frac{4}{3}\right)$[/tex] B. [tex]$4\left(\frac{3}{4}\right) x=-6(4)$[/tex] C. [tex]$4\left(\frac{3}{4}\right) x=-6(3)$[/tex] D. [tex]$\frac{4}{3}\left(\frac{3}{4}\right) x=-6\left(\frac{3}{4}\right)$[/tex]

[Jawaban] In a survey of 930 students in a school, $92 \%$ reported having pets at home. What is the margin of error? Use the formula $\frac{ \pm \frac{1}{\sqrt{n}}}{}$ where n is the population.

[Jawaban] Find the factors of the following numbers: 1. 100 2. 30 3. 12 4. 24 5. 15 Solve the following quadratic equations by factoring: 1. [tex]$-3 m^2+27 m=0$[/tex] 2. [tex]$x^2-2 x=15$[/tex]

[Jawaban] Bryson is planting green beans. He has already picked $1\frac{1}{8}$ bushels and plants at a rate of $\frac{7}{8}$ of a bushel each hour. The equation $\frac{7}{8}h + 1\frac{1}{8} = 6$ can be used to represent h, the number of hours it will take him to pick 6 bushels. What is the value of h? A. $4\frac{5}{8}$ hours B. $5\frac{3}{8}$ hours C. $5\frac{17}{28}$ hours D. $8\frac{2}{7}$ hours

[Jawaban] Julia can finish a 20-mile bike ride in 1.2 hours. Katie can finish the same bike ride in 1.6 hours. To the nearest tenth of a mile, how much faster does Julia ride than Katie? Distance (mi) Rate (mph) Time (hr) Julia 20 1.2 Katie 20 1.6 A. 4.2 mph B. 8.0 mph C. 12.5 mph D. 15.4 mph

[Jawaban] The relative frequency table below displays the proportion of residents in an apartment complex who prefer certain social media sites. | Upstart | Aster | Babble | Techy | |---|---|---|---| | 0.10 | 0.25 | 0.35 | ?? | Which of the following is the missing value? A. 0.1 B. 0.2 C. 0.3 D. 0.35

[Jawaban] $3 \times 9-(2 \times 4) =$

[Jawaban] “Drag the tiles to each box to form correct pairs not all tiles will be used