Ella installs lawn watering systems. The radius of sprayed water, r, in metres, can be expressed as
r=0.64A
where A represents the area watered, in square metres.
Ella has set each sprayer to spray at a radius of 1.2 m. Determine the area of grass watered by one sprayer, to the nearest tenth of a square metre.
Posted 2 years ago by tim123 in Math 20-2 | 1 answers
#radicals
Posted 2 years ago by Dumitru in Science 30 | 0 answers
#science 30
What are the functions of cholinesterase in the synapse
Posted 3 years ago by Arny in Biology 30 | 0 answers
#neurotransmitters
4 CH3NO2 + 3 O2 --> 4 CO2 + 6 H2O + 2N2
Posted 3 years ago by iujkl in Chemistry 30 | 0 answers
#chemistry 30
Steps to writing a source analysis on 1 quote
Posted 3 years ago by DCLS in Social Studies 30-1 | 0 answers
#social studie
Posted 3 years ago by garima123 in Biology 30 | 0 answers
#female reproduction
Whenn a single photon from a source of light hits the retina in the eye, it triggers a signal that travels along the optic nerve to the occipital lobe of the brain. The interaction of a photon with the photoreceptors in the retina first causes the movemnt of sodium ions into a sensory neuron. What happens after the movement of sodium ions?
Posted 3 years ago by roxydawson in Biology 30 | 0 answers
#receptors #sensory pathway
The nerve impulses always travel in one direction from dendrites to axon terminals. What prevents an action potential from travelling backward?
Posted 3 years ago by maddiejames in Biology 30 | 0 answers
#biology 30
How would i prove the following identity tanx=(sin4x-sin2x)/(cos4x+cos2x)
Posted 3 years ago by Lovine in Math 30-1 | 0 answers
#trigonometry
4x2-x-18=0
Posted 3 years ago by Quinton in Math 20-1 | 1 answers
#quadratic functions