3 years ago

What is the distance between the following points (3,-9) and (6,-2)

Mathematics

1 answer:

Makovka662 [10]3 years ago

5 0

Answer:

(4.5,-5.5)

Step-by-step explanation:

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-13x - 8 = 5 - 8x -3

kramer

Answer:

x = -2

Step-by-step explanation:

$-13x - 8 = 5 - 8x - 3 \\\\-13x + 8x = 5 - 3 + 8 \\\\-5x = 10 \\\\x = \frac{-10}{5} = -2$

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3 years ago

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:

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

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3 years ago

How many different outcomes are possible if you can choose between a bus or a train, full fare or concession and you can travel

Novosadov [1.4K]

3 pairs of choices give rise to 2^3 = 8 possibilities:
.. bus, full, morning
.. bus, full, afternoon
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.. bus, concession, afternoon
.. train, full, morning
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.. train, concession, morning
.. train, concession, afternoon

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3 years ago

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Rasek [7]

Answer:

Step-by-step explanation:

One Solution

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3 years ago

A camera has a listed price of $760.95 before tax. If the sales tax rate is 7.25% , find the total cost of the camera with sales

Contact [7]

Answer:

After sales tax is applied, the camera will cost $816.12! The sales tax will be $55.17.

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2 years ago