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2 years ago

7

Help!!! Determine how far it is across the lake

1 answer:

Naya [18.7K]2 years ago

6 0

Tan(34) = a/700
a = 700*tan(34) =472.155 so 472

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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:

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

Hence, <em>A</em> in terms of <em>C</em> can be represented as:

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

4 0

3 years ago

Think About the Process In the table as x increases by 1, y increases by 550 . What step should you take to complete the table

kupik [55]

Answer:

D. Multiply

Step-by-step explanation:

Hope this helps pls give brainliest

5 0

2 years ago

Which of the following statements is true?

Semmy [17]

Answer:

Option B

Step-by-step explanation:

we know that

A <u>rational number</u> is one that can be represented as the ratio of two whole numbers

so

$\frac{\sqrt{5}}{8}$ -----> Is not a rational number, because √5 is not a whole number, is a irrational number

$\frac{\sqrt{4}}{9}=\frac{2}{9}$ ---> Is a rational number, because can be represented as the ratio of two whole numbers

therefore

√5/8 is irrational and √4/9 is rational

7 0

3 years ago

I need the answer to this please

damaskus [11]

Answer: the answer is D, if you just graph it in the Desmos graphing calculator you can solve it easily

5 0

1 year ago

Don't know how to find x or z

soldier1979 [14.2K]

....................

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3 years ago