3 years ago

The endpoints of a diameter of a circle is (-1,3) and (3,1). Find the center and radius of the circle.

Mathematics

2 answers:

lina2011 [118]3 years ago

3 0

Option C: center (1,2) and radius sqrt 5

Inessa05 [86]3 years ago

3 0

Here is the answer to the question.

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he length of a rectangle is three times the width. The perimeter is 240 inches. Find the length and the width.

sammy [17]

Answer:

Length = 90 inch.

width = 30 inch

Let width of the rectangle = x inch.

So the length = 3x inch.

Perimeter = 2(length + width) = 2 (3x + x) = 8x.

So,

length = 3x = 3(30) = 90 inch.

width = x = 30 inch

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2 years ago

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3 years ago

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Trevor is swimming laps to raise money for the local food bank. He earns $1.85 per lap and has already swum 23 laps.

Mrac [35]

1.85x-42.55>100 is the inequality. 42.55 is the amount already raised, 1.85x is number of laps times the money raised by them.

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3 years ago

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3 years ago

Two numbers have these properties:

almond37 [142]

Answer:

$12\ and\ 30$

Step-by-step explanation:

Given both numbers are greater than 6

Their HCF is 6

Their LCM is 60

The product of the HCF and LCM of two numbers is the same as the product of the numbers themselves.

Let us say those number are $a$ and $b$

$a\times b=6\times 60\\a\times b=360$

So, the product of those number is $360$

Let us factorize $360$

$360=1\times 2\times 2\times 3\times 5\times 6$

It is given that number should be greater than 6

The possible pairs of number are $(10,36)\ and\ (12,30)$

But only $(12,30)$ has LCM as 60.

So those numbers are $12\ and\ 30$

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3 years ago