3 years ago

Is anyone good at geometry if so can someone help me please ?

Mathematics

1 answer:

Tcecarenko [31]3 years ago

8 0

Answer: 11.7

Step-by-step explanation: b=2(A/h)=2(49.1/8.4)=11.69

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natita [175]

Step 1

Use the ratio of the number to the percentage to get the required answer.

$\frac{Total\text{ number of students}}{\text{The required number of students}}=\frac{Total\text{ percentage of the class}}{\text{Given percentage}}$

Where,

$\begin{gathered} \text{The total number of students = 24} \\ \text{The required number }of\text{ students= x} \\ \text{The total percentage of the class = 100} \\ \text{Given percentage = 78} \end{gathered}$

Step 2

Get the required answer

$\begin{gathered} \frac{24}{x}=\frac{100}{78} \\ 100x=24\times78 \\ 100x=1872 \\ \frac{100x}{100}=\frac{1872}{100} \\ x=\text{ 18.72} \\ \text{Hence} \\ x\approx19students\text{ rounded to a whole number } \end{gathered}$

The number of students that got B or a better grade on the test = 19 students rounded to a whole number.

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shusha [124]

The answer to this question is 0.64 because you have to divide hope this helps you

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gogolik [260]

Answer:

Plug -1.8 into each x so the equation would become (-1.8)^2 - 3(-1.8)

Step-by-step explanation:

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