What is the unit rate for 14 lb for $2.99

1 answer:

6 0

14lb is for $2.99

We then make a fractional form for lb/$
So, 14lb/$2.99

We divide 14lb/$2.99 we get, 4.7lb/$

Unit rate The rate for one unit of given quantity is called a unit rate. These unit rates are again considered as one quantity. Examples are km/h which is derived for instance given that the distance is 10km and the time to be there is 5 hours hence what is the velocity. Which is v=d/t henceafter, 2km/h. Another example is pressure which is force divided by the area. 1 N/m2 which is 5 N times 5 m2, the pressure is 1 N/m2

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As we know that the standard equation of circle is ${\bf{(x-h)^{2}+(y-k)^{2}=r^{2}}}$ , where r is the radius of circle and centre at (h,k) 

Now , as the circle passes through (2,9) so it must satisfy the above equation after putting the values of h and k respectively

${:\implies \quad \sf \{2-(-1)\}^{2}+(9-5)^{2}=r^{2}}$