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2 years ago

George records the number of questions he has answered on DFM per day over 14 days, and puts the data in the bar chart below.

Mathematics

1 answer:

STatiana [176]2 years ago

8 0

Answer:

18 is the total number of questions George answered in 14 days.

Step-by-step explanation:

The given chart:

The x-axis is showing the total number of questions George answered

The y-axis is showing the frequency of days on which George answered the questions.

The given chart is showing that:

George answered the 5 questions on the first 4 days;

George answered the next 6 questions on the next 5 days;

George answered the next 7 questions on the last 5 days';

Hence, the total questions he answered will be:

5 + 6 + 7 = 18

Therefore, 18 is the total number of questions George answered in 14 days.

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The net below can be folded to form a square pyramid.

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Solution:

Side length of the square = 9 in

Area of the square = side × side

= 9 in × 9 in

= 81 in²

Area of the square = 81 in²

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$$=\frac{1}{2} \times \text{Perimeter} \times \text{Slant height} + \text{Base area}$

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$$=136.8+81$

= 217.8 in²

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Answer:

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Step-by-step explanation:

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