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3 years ago

A road bike has a wheel diameter of 622 mm. What is the circumference of the wheel? Use 3.14 for mc015-1.jpg

2 answers:

7 0

Since the formula for circumference is pi*diameter, you multiply 3.14 by 622 mm to get 1953.08 mm as your circumference.

gtnhenbr [62]3 years ago

5 0

Answer: 1953.08 mm

Step-by-step explanation:

We know that circumference of a circle is given by ;-

$\text{Circumference}=2\pi r$ , where r is the radius of the circle.

Given: the diameter of the wheel = 622 mm

Then, the radius of the wheel = $\dfrac{622}{2}=311\ mm$

Now, the circumference of the wheel is given by ;-

$\text{Circumference}=2\pi (311)\\\\\Rightarrow\ \text{Circumference}=2(3.14)(311)\\\\\Rightarrow\ \text{Circumference}=1953.08\ mm$

Hence, the circumference of the wheel = 1953.08 mm.

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Solve y=f(x) for x . f(x)=23x+4 x= Question 2 Find the input when the output is 2. The input is .

Fantom [35]

Let's find $f(x) = 2$ , which is essentially what the problem is asking, what $x$ corresponds to an output of 2.

Let's solve below:

$f(x) = 2$

Setting up what we know

$23x + 4 = 2$

Substituting in $23x + 4$ for $f(x)$ (I'm not sure if this is the correct expression for $f(x)$ due to formatting issues)

$23x = -2$

Subtract 4 from both sides to make a step to isolate $x$ (what we are trying to find)

$x = - \frac{2}{23}$

Divide both sides of the equation by 23 to isolate $x$

Thus the input is $\boxed{x = - \frac{2}{23}}$ .

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A rancher wants to cut a metal cylinder in half to use as a watering trough as shown below.

velikii [3]

Answer:

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Step-by-step explanation:

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3 years ago

the ratio of boys to boys to girls in a class is 5:3.There are 32 students in the class.How many more boys than girls are there.

erastovalidia [21]

Answer:

8 more boys

Step-by-step explanation:

5 + 3 = 8

32 ÷ 8 = 4

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3 years ago

HELP ME PLEASE ASAP

Mumz [18]

5p + 4g = 42.5
3p + 6g = 34.5 

15p + 12g = 127.5 
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3 years ago

Read 2 more answers

What is –36° converted to radians?

Stells [14]

let's recall that there are 180° in π radians, thus

$\bf \begin{array}{ccll} degrees&radians\\ \cline{1-2} 180&\pi \\ -36&x \end{array}\implies \cfrac{180}{-36}=\cfrac{\pi }{x}\implies -5=\cfrac{\pi }{x}\implies x=\cfrac{\pi }{-5}\implies x=-\cfrac{\pi }{5}$

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4 years ago