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3 years ago

The radius of a circle is 2 m. Find the circumference to the nearest tenth.

Mathematics

1 answer:

Y_Kistochka [10]3 years ago

6 0

Answer:

25.13 or 25.1

Step-by-step explanation:

2 x pi/3.14x4

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G=x-c/x. for x<br><br>how do yoy make this an equation for x? help

zzz [600]

1.
$\displaystyle \text{if }\quad G=x- \frac{C}{x} \\\\$

$x \neq 0$

Multiply both sides by x:

$\displaystyle Gx=x\bigg(x- \frac{C}{x}\bigg )\\\\Gx=x^2-C$

Subtract from both sides Gx:
$Gx-Gx=x^2-C-Gx\\x^2-Gx-C=0$

Then solve this equation:

$\displaystyle x^2-Gx-C=0\\\\x_{1,2}= \frac{G\pm \sqrt{G^2+4C} }{2}$

2.
$\displaystyle\text{if}\quad G= \frac{x-C}{x}$

$x \neq 0$

Multiply both sides by x:

$Gx=x-C$

Subtract from both sides Gx:

$x-C-Gx=0$

Then solve this equation:

$\displaystyle x-Gx-C=0\\x(1-G)=C\\x= \frac{C}{1-G}$

7 0

3 years ago

Alfie sells flooring for playgrounds.

dexar [7]

area of playground= 9×15= 135m^2

area of lawn= 3×4=12m^2

total flooring area= 135-12= 123m^2

cost=36×123=$4428

6 0

3 years ago

Natalie invested $40,000 in an account paying an interest rate of 8 %

MArishka [77]

Answer:

$506,000

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

Sophie and Marcos are each saving for new bicycles. So far, Sophie has $6 saved and can earn $5 per hour walking dogs. Marcos ha

SpyIntel [72]

6+5=11+5=16+5=21
3+6=9+6=15+6=21
It will take Marco and Sophie 3 hours to get the same amount of money. The amount of money they will have will be $21.

8 0

3 years ago

1.3.IP-28

lidiya [134]

Step-by-step explanation:

Find the difference

3,621 - 1,836 = 1,785

They payed $1,785 dollars in the second installment.

6 0

3 years ago