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Mazyrski [523]
3 years ago
8

Which equation represents a circle with a center at (–3, –5) and a radius of 6 units?

Mathematics
2 answers:
Ipatiy [6.2K]3 years ago
6 0
My answer:

(x+3)^2+(x+5)^2=6^2

which is:

(x+3)^2+(x+5)^2=36
dolphi86 [110]3 years ago
5 0
(x+3)²+(x+5)²=6²
(x+3)²+(x+5)²=36

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Blizzard [7]
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James is 6 times older than his friend Zach . If Zach added 8 to his age and multiplied this sum by 3 . Write an equation that c
swat32

Given that:

James is 6 times older than his friend Zach, if Zach added 8 to his age and multiplied this sum by 3 .

To find:

The equation that can be used to solve for zach's age.

Solution:

Let the age of zach be Z.

Zach added 8 to his age = Z+8

And multiplied this sum by 3 = 3(Z+8)

James is 6 times older than his friend Zach = 6Z

Now,

6Z=3(Z+8)

6Z-3Z=24

3Z=24

Divide both sides by 3.

Z=8

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5 0
3 years ago
State when f(x) is increasing , decreasing , concave up , concave down .
Marizza181 [45]

Answer:

f(x) = sec x. tan x

⇔ f(x) = 1/cosx . cosx/sinx

⇔ f(x) = sin x

+) when f(x) is increasing => sin x increases

=> x will increase

+) f(x) is decreasing => x will decrease

+) f(x) is concave up => x ∈ (-pi/2; 0)

+) f(x) concave down => x ∈ (0; pi/2)

Step-by-step explanation:

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2 years ago
Amber has 5/2 pounds of salt dough for a project. she writes this equation to show 5/2. 5/2= 5×1/2
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If you would like to know whether or not what she wrote is accurate, it is.

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