3 years ago

Please help with this question

1 answer:

5 0

You want to calculate the ratio of 7 2/3 feet to 5 3/4 feet. The correct answer will not have units of measurement.

Convert 7 2/3 and 5 3/4 to improper fractions: 23/3 and 23/4.

What is the quotient of 23/3 to 23/4? It's the same as 1/3 to 1/4: (1/3)(4/1) = 4/3.

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In a recent poll, 300 people were surveyed. 70% of them said they opposed the current war/occupation. How many people stated the

NARA [144]

Answer:

210 people

Step-by-step explanation:

70divide100 times 300 gives as 210

5 0

3 years ago

Read 2 more answers

In a circle, area and circumference can be found using the formulas A=(pi)r^2 and C=2(pi)r, respectively, Write a formula for A

AURORKA [14]

Answer:

$A = \dfrac{C^2}{4\pi}$

Step-by-step explanation:

Given that

Area of a circle $A=\pi r^2$

Circumference of the circle $C = 2 \pi r$

Let us re-write the equation of area of circle:

$A=\pi r^2$

$A = \pi \times r \times r$

Multiplying and dividing with 2:

$A = \dfrac{2\pi r}{2} \times r\\\text{Putting }2\pi r = C:\\\Rightarrow A = \dfrac{C}{2} \times r\\\text{Multiplying and dividing by } 2\pi:\\\Rightarrow A = \dfrac{C}{2} \times \dfrac{2\pi r}{2\pi}\\\text{Putting }2\pi r = C:\\\Rightarrow A = \dfrac{C \times C}{4 \pi}\\\Rightarrow A = \dfrac{C^2}{4 \pi}$