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3 years ago

Write the equation of the circle graphed below

Mathematics

1 answer:

Anuta_ua [19.1K]3 years ago

8 0

Answer:

there is no circle

Step-by-step explanation:

you can add a photo with the lil link looking thing when you first ask the question

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Melinda bought 6 bowls of $13.20 what was the unit rate in dollars

andre [41]

I think it is about 83 cents

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3 years ago

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The radius of a circle is decreasing at a rate of 6.56.56, point, 5 meters per minute. At a certain instant, the radius is 12121

Ilia_Sergeevich [38]

Answer:

The rate of change of the area of the circle is approximately $-490.09 \ m^2/min$ .

Step-by-step explanation:

Given:

$\frac{dr}{dt} = -6.5 \ m/min$

radius $r =12 \ m$

We need to find the rate of change of the area of the circle at that instant.

Solution:

Now we know that;

Area of the circle is given by π times square of the radius.

framing in equation form we get;

$A= \pi r^2$

to find the rate of change of the area of the circle at that instant we need to take the derivative on both side.

$\frac{dA}{dt}=\frac{d(\pi r^2)}{dt}\\\\\frac{dA}{dt}= 2\pi r \frac{dr}{dt}$

Substituting the given values we get;

$\frac{dA}{dt}= 2\times \pi \times 12 \times -6.5\\\\\frac{dA}{dt}\approx -490.09 \ m^2/min$

Hence The rate of change of the area of the circle is approximately $-490.09 \ m^2/min$ .

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3 years ago

Write two verbal expressions for 2d

Lera25 [3.4K]

<span>. 2 verbal expression of 2d
Verbal expressions in mathematics is the translation of the given mathematical equation or numbers into words. For example the verbal expression of operations are:
+ = addition
- = subtraction
/ - division
x = multiplication

In the given number of 2d, these are the two verbal expression:
2d => 2 times d; or 2 multiply by d
2d => the product of 2 and d
Verbal expression are the words translation of mathematical equations.

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3 years ago

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Simplify the radical expression

never [62]

Sqrt(56x^2) = x*sqrt(56) = x*sqrt(4*14) = x* sqrt(4) * sqrt(14)

= 2x*sqrt(14) (answer)

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3 years ago

There are 60 members in the school glee club.the glee club needs to raise at least $5,000 for a trip to a national competition.t

Vikentia [17]

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3 years ago