3 years ago

What is the exact circumference of a circle with a radius of 45 cm? HELP ASAP!!!

2 answers:

6 0

Lets get started :)

The circumference formula of a circle is
C = 2 $\pi$ r (r being the radius)

If radius = 45, substitute 45 instead of r

C = 2 $\pi$ (45)
=90 $\pi$
≈ 282.7433388

I suppose you leave it in the pi ( $\pi$ ) form

Sergeeva-Olga [200]3 years ago

4 0

The answer is 282.7433

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Bees are one of the fastest insects on Earth. They can fly 22 miles in 2 hours, and 55 miles in 5 hours. Write an expression to

sineoko [7]

Miles in 2 hours = 22
Rate of distance = 22/2
= 11 miles/hour

So miles in h hours = 11h

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Answer is
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3 0

3 years ago

If the resistance of an electric circuit is 12 ohms and the voltage in the circuit is 60 V, the current flowing through the circ

Lena [83]

Option C

Answer:

The current flowing through the circuit is 5 A

Solution:

Given that resistance of an electric circuit is 12 ohms and the voltage in the circuit is 60 V.

We have to find the current flowing through the circuit.

By Ohms law, the relation between the resistance, voltage and current in the circuit is given as,

$\bold{V=I \times R}$ ---- eqn 1