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213 miles/hour speed = distance/time
round 213 to 200 as only an estimate;
s=200/1 hour = 200/3600 seconds (then divide by 200 to get time for 1 mile)s = 1/18
at this speed, the plane trave...

a^2+b^2=c^2Rearrange so that c = sqrt(a^2+b^2) = 5.83 cm

Don't worry - this is very simple and a common question! The imperfect tense is used for 3 reasons. 1) Descriptions or states in the past e.g. llevaba un pantalón azul/ e.g tenía calor. 2) Actions in the ...

The base rate of interest is the interest rate set by the Bank of Englands monetary policy committee (MPC) in order to stimulate the economy in the way the government sets out . The base rate of interest ...

This is factorisation by common factor, so we need to write 4x+6x² as a product. First we need to find the highest common factor of 4x and 6x² so that we can take it out, which in th...