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Anuta_ua [19.1K]
3 years ago
8

The diameter of a circle is 6 yards. What is the circle's area? d=6 yd Use 3.14 for ​.

Mathematics
2 answers:
photoshop1234 [79]3 years ago
7 0
The area of circle formula is πr². Since the diameter is given, you can find the radius by dividing it by 2.

(3.14)(3)²
28.26

The area is 28.26 yards²
madam [21]3 years ago
6 0
The circle's area is 88.74<span>
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Answer:

B)6v3; 12

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3 years ago
The mosquito population is a function of rainfall, and can be approximated by the formula N(x)=−x3+45x2+1000 where x is the numb
KiRa [710]

Answer:

Therefore the population will be maximum when x=30 inches.

Step-by-step explanation:

Given that, the mosquito population is a function of rainfall and can be approximated by the formula

N(x)= -x^3+45x^2+1000

where x is the number of inches of rainfall.

N(x)= -x^3+45x^2+1000

Differentiating with respect to x

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Again differentiating with respect to x

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\Rightarrow -3x(x-30)=0

\Rightarrow x=0,30

N''(0)=-6.0+90=90>0

N''(30)=-6.30+90=-90

Since at x=30, N''(x)<0, So at x=30, N(x) has maximum value.

Therefore the population will be maximum when x=30 inches.

5 0
3 years ago
Michael and Imani go out to eat for lunch. If their food and beverages cost $25.30 and there is an 8% meals tax, how much is the
blondinia [14]

Answer:

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5 0
3 years ago
Simplify this expression<br> 2(3x -2 + 2y) - (2 + 4x + y)
luda_lava [24]

Answer:

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Step-by-step explanation:

If you simplify you should get 2 x  +  3y −  6

4 0
3 years ago
Read 2 more answers
What is a fraction of 42 is 7
kramer
\frac{7}{42}\ of\ 42\ is\ equal\ 7\\\\check:\frac{7}{42}\cdot42=\frac{7}{42}\cdot\frac{42}{1}=\frac{7}{1}=7
3 0
3 years ago
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