3 years ago

(x+7)^2+(y+8)^2=64 center and radius

Mathematics

2 answers:

Pie3 years ago

6 0

(-7,-8) is the center and 8 is the radius.

Leona [35]3 years ago

5 0

(-7, -8) center

8 Radius

16 Diameter

64π ≈ 201.062 area enclosed

16π ≈ 50.2655 circumference

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Rational numbers between 4/9 and 5/9

Verizon [17]

Answer:

Step-by-step explanation:

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3 years ago

A line contains (9,y) and (-6,3). It has slope 2/3, find y

koban [17]

The line contains (9,y) and (-6,3) Then y is 13

Solution:

Given that a line contains (9, y) and (-6, 3)

Slope of line is $\frac{2}{3}$

To find: y

The slope of line is given as:

$m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

$\text {Here }\left(x_{1}, y_{1}\right)=(9, y) \text { and }\left(x_{2}, y_{2}\right)=(-6,3)$

Substituting the values in formula,

$m=\frac{3-y}{-6-9}$

Substitute $m = \frac{2}{3}$

$\frac{2}{3}=\frac{3-y}{-6-9}$

2(-6 - 9) = 3(3 - y)

Multiplying the terms with terms inside bracket

-12 - 18 = 9 - 3y

Move the variable to one side

-30 = 9 - 3y

On solving we get,

3y = 30 + 9

3y = 39

Divide both sides by 3, we get

y = 13

Thus y = 13

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4 years ago

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3 years ago

Jared uses 24 tiles to cover the top of his desk of the 24 tiles 3/8 are blue how many of the tiles are blue

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8 = 24
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